Submission #1206725

#	Time	Username	Problem	Language	Result	Execution time	Memory
1206725		simona1230	Bit Shift Registers (IOI21_registers)	C++20	Compilation error	0 ms	0 KiB

registers

#include "registers.cpp"

#include <bitset>
#include <cassert>
#include <cstdio>
#include <string>
#include <vector>

#ifdef _MSC_VER
#   define NORETURN __declspec(noreturn)
#elif defined __GNUC__
#   define NORETURN __attribute__ ((noreturn))
#else
#   define NORETURN
#endif


static const int m = 100;
static const int b = 2000;
static const int id_move = 0;
static const int id_store = 1;
static const int id_and = 2;
static const int id_or = 3;
static const int id_xor = 4;
static const int id_not = 5;
static const int id_left = 6;
static const int id_right = 7;
static const int id_add = 8;
static const int id_print = 9;

static int s, n, k, q;
static int instruction_count = 0;
static std::bitset<b> reg[m];

static inline void load_register(std::bitset<b>& bs, std::vector<int>& v) {
    bs.reset();
    for (int i = 0; i < (int)v.size(); i++) {
        for (int j = 0; j < k; j++) {
            bs[i * k + j] = (v[i] & (1 << j));
        }
    }
}

static inline void unload_register(std::bitset<b>& bs, std::vector<int>& v) {
    v.assign(v.size(), 0);
    for (int i = 0; i < (int)v.size(); i++) {
        for (int j = 0; j < k; j++) {
            v[i] |= (bs[i * k + j] << j);
        }
    }
}

static void execute_move(int t, int x) {
    reg[t] = reg[x];
}

static void execute_store(int t, std::vector<bool> v) {
    for(int i=0; i<b; i++) {
        reg[t][i] = v[i]; // bit-by-bit copy
    }
}

static void execute_and(int t, int x, int y) {
    reg[t] = (reg[x]&reg[y]);
}

static void execute_or(int t, int x, int y) {
    reg[t] = (reg[x]|reg[y]);
}

static void execute_xor(int t, int x, int y) {
    reg[t] = (reg[x]^reg[y]);
}

static void execute_not(int t, int x) {
    reg[t] = (~reg[x]);
}

static void execute_left(int t, int x, int p) {
    reg[t] = (reg[x]<<p);
}

static void execute_right(int t, int x, int p) {
    reg[t] = (reg[x]>>p);
}

static void execute_add(int t, int x, int y) {
    std::bitset<b> tmp;
    bool carry = false;
    for(int i = 0; i < b; i++) {
        tmp[i] = (reg[x][i] ^ reg[y][i] ^ carry);
        carry = (reg[x][i] & reg[y][i]) || (reg[x][i] & carry) || (reg[y][i] & carry); // discard the last carry
    }
    reg[t] = tmp;
}

static void execute_print(int t) {
    std::vector<int> v(n);
    unload_register(reg[t], v);
    printf("register %d: ", t);
    for (int i = 0; i < n; i++) {
        printf("%d%c", v[i], i < n - 1 ? ' ' : '\n');
    }
}

struct instruction {
    int type, t, x, y;
    std::vector<bool> v;

    instruction(int _type): type(_type), t(-1), x(-1), y(-1) {}

    void execute() {
        switch(type) {
            case id_move:
                execute_move(t, x);
                break;
            case id_store:
                execute_store(t, v);
                break;
            case id_and:
                execute_and(t, x, y);
                break;
            case id_or:
                execute_or(t, x, y);
                break;
            case id_xor:
                execute_xor(t, x, y);
                break;
            case id_not:
                execute_not(t, x);
                break;
            case id_left:
                execute_left(t, x, y);
                break;
            case id_right:
                execute_right(t, x, y);
                break;
            case id_add:
                execute_add(t, x, y);
                break;
            case id_print:
                execute_print(t);
                break;
            default:
                assert(false);
        }
    }
    void print() {
        switch(type) {
            case id_move:
                printf("move %d %d\n", t, x);
                break;
            case id_store:
                printf("store %d ", t);
                for(int i=0; i<b; i++) {
                    putchar(v[i]+'0');
                }
                putchar('\n');
                break;
            case id_and:
                printf("and %d %d %d\n", t, x, y);
                break;
            case id_or:
                printf("or %d %d %d\n", t, x, y);
                break;
            case id_xor:
                printf("xor %d %d %d\n", t, x, y);
                break;
            case id_not:
                printf("not %d %d\n", t, x);
                break;
            case id_left:
                printf("left %d %d %d\n", t, x, y);
                break;
            case id_right:
                printf("right %d %d %d\n", t, x, y);
                break;
            case id_add:
                printf("add %d %d %d\n", t, x, y);
                break;
            case id_print:
                printf("print %d\n", t);
                break;
            default:
                assert(false);
        }
    }
};

static std::vector<instruction> instructions;

NORETURN static inline void error(std::string reason) {
    printf("%s\n", reason.c_str());
    fflush(stdout);
    exit(0);
}

static inline void check_instructions() {
    if (instruction_count >= q) {
        error("Too many instructions");
    }
}

static inline void check_index(int index) {
    if (index < 0 || index >= m) {
        error("Invalid index");
    }
}

void append_move(int t, int x) {
    check_instructions();
    check_index(t);
    check_index(x);
    instruction i(id_move);
    i.t = t;
    i.x = x;
    instruction_count++;
    instructions.push_back(i);
}

void append_store(int t, std::vector<bool> v) {
    check_instructions();
    check_index(t);
    if ((int)v.size() != b) {
        error("Value to store is not b bits long");
    }
    instruction i(id_store);
    i.t = t;
    i.v = v;
    instruction_count++;
    instructions.push_back(i);
}

void append_and(int t, int x, int y) {
    check_instructions();
    check_index(t);
    check_index(x);
    check_index(y);
    instruction i(id_and);
    i.t = t;
    i.x = x;
    i.y = y;
    instruction_count++;
    instructions.push_back(i);
}

void append_or(int t, int x, int y) {
    check_instructions();
    check_index(t);
    check_index(x);
    check_index(y);
    instruction i(id_or);
    i.t = t;
    i.x = x;
    i.y = y;
    instruction_count++;
    instructions.push_back(i);
}

void append_xor(int t, int x, int y) {
    check_instructions();
    check_index(t);
    check_index(x);
    check_index(y);
    instruction i(id_xor);
    i.t = t;
    i.x = x;
    i.y = y;
    instruction_count++;
    instructions.push_back(i);
}

void append_not(int t, int x) {
    check_instructions();
    check_index(t);
    check_index(x);
    instruction i(id_not);
    i.t = t;
    i.x = x;
    instruction_count++;
    instructions.push_back(i);
}

void append_left(int t, int x, int p) {
    check_instructions();
    check_index(t);
    check_index(x);
    if (p < 0 || p > b) {
        error("Invalid shift value");
    }
    instruction i(id_left);
    i.t = t;
    i.x = x;
    i.y = p;
    instruction_count++;
    instructions.push_back(i);
}

void append_right(int t, int x, int p) {
    check_instructions();
    check_index(t);
    check_index(x);
    if (p < 0 || p > b) {
        error("Invalid shift value");
    }
    instruction i(id_right);
    i.t = t;
    i.x = x;
    i.y = p;
    instruction_count++;
    instructions.push_back(i);
}

void append_add(int t, int x, int y) {
    check_instructions();
    check_index(t);
    check_index(x);
    check_index(y);
    instruction i(id_add);
    i.t = t;
    i.x = x;
    i.y = y;
    instruction_count++;
    instructions.push_back(i);
}

void append_print(int t) {
    check_index(t);
    instruction i(id_print);
    i.t = t;
    instructions.push_back(i);
}

int main() {
    assert(4 == scanf("%d %d %d %d", &s, &n, &k, &q));

    construct_instructions(s, n, k, q);
    for(instruction &i : instructions) {
        i.print();
    }
    std::vector<int> a(n);
    bool exited = false;
    while (true) {
        for (int i = 0; i < n; i++) {
            assert(1 == scanf("%d", &a[i]));
            if (i == 0 && a[i] == -1) {
                fflush(stdout);
                exited = true;
                break;
            }
        }
        if (exited) break;
        load_register(reg[0], a);
        for (int i = 1; i < m; i++) {
            reg[i].reset();
        }
        for (instruction& i : instructions) {
            i.execute();
        }
        unload_register(reg[0], a);
        if (s == 0) {
            printf("%d\n", a[0]);
        } else {
            for (int i = 0; i < n; i++) {
                printf("%d%c", a[i], i == n - 1 ? '\n' : ' ');
            }
        }
    }
    printf("number of instructions: %d\n", instruction_count);
    return 0;
}

Compilation message (stderr)

In file included from registers.cpp:1,
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registers.cpp:1:25: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    1 | #include "registers.cpp"
      |                         ^
registers.cpp:3:18: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    3 | #include <bitset>
      |                  ^
registers.cpp:4:19: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    4 | #include <cassert>
      |                   ^
registers.cpp:5:18: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    5 | #include <cstdio>
      |                  ^
registers.cpp:6:18: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    6 | #include <string>
      |                  ^
registers.cpp:7:18: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    7 | #include <vector>
      |                  ^
In file included from registers.cpp:3,
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/usr/include/c++/11/bitset:47:18: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   47 | #include <string>
      |                  ^
/usr/include/c++/11/bitset:48:71: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   48 | #include <bits/functexcept.h>   // For invalid_argument, out_of_range,
      |                                                                       ^
/usr/include/c++/11/bitset:50:18: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   50 | #include <iosfwd>
      |                  ^
/usr/include/c++/11/bitset:51:32: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   51 | #include <bits/cxxabi_forced.h>
      |                                ^
/usr/include/c++/11/bitset:54:35: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   54 | # include <bits/functional_hash.h>
      |                                   ^
In file included from registers.cpp:4,
                 from registers.cpp:1,
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                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1:
/usr/include/c++/11/cassert:43:28: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   43 | #include <bits/c++config.h>
      |                            ^
/usr/include/c++/11/cassert:44:20: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   44 | #include <assert.h>
      |                    ^
In file included from registers.cpp:5,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1:
/usr/include/c++/11/cstdio:41:28: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   41 | #include <bits/c++config.h>
      |                            ^
/usr/include/c++/11/cstdio:42:19: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   42 | #include <stdio.h>
      |                   ^
In file included from registers.cpp:6,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1:
/usr/include/c++/11/string:38:28: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   38 | #include <bits/c++config.h>
      |                            ^
/usr/include/c++/11/string:39:28: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   39 | #include <bits/stringfwd.h>
      |                            ^
/usr/include/c++/11/string:40:70: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   40 | #include <bits/char_traits.h>  // NB: In turn includes stl_algobase.h
      |                                                                      ^
/usr/include/c++/11/string:41:28: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   41 | #include <bits/allocator.h>
      |                            ^
/usr/include/c++/11/string:42:34: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   42 | #include <bits/cpp_type_traits.h>
      |                                  ^
/usr/include/c++/11/string:43:69: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   43 | #include <bits/localefwd.h>    // For operators >>, <<, and getline.
      |                                                                     ^
/usr/include/c++/11/string:44:33: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   44 | #include <bits/ostream_insert.h>
      |                                 ^
/usr/include/c++/11/string:45:42: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   45 | #include <bits/stl_iterator_base_types.h>
      |                                          ^
/usr/include/c++/11/string:46:42: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   46 | #include <bits/stl_iterator_base_funcs.h>
      |                                          ^
/usr/include/c++/11/string:47:31: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   47 | #include <bits/stl_iterator.h>
      |                               ^
/usr/include/c++/11/string:48:43: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   48 | #include <bits/stl_function.h> // For less
      |                                           ^
/usr/include/c++/11/string:49:32: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   49 | #include <ext/numeric_traits.h>
      |                                ^
/usr/include/c++/11/string:50:31: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   50 | #include <bits/stl_algobase.h>
      |                               ^
/usr/include/c++/11/string:52:57: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   52 | #  include <bits/stl_algo.h> // For remove and remove_if
      |                                                         ^
/usr/include/c++/11/string:54:31: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   54 | #include <bits/range_access.h>
      |                               ^
/usr/include/c++/11/string:55:31: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   55 | #include <bits/basic_string.h>
      |                               ^
/usr/include/c++/11/string:56:33: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   56 | #include <bits/basic_string.tcc>
      |                                 ^
In file included from registers.cpp:7,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from registers.cpp:1,
                 from regi