#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using str = string;
using pi = pair<int, int>;
using pl = pair<ll, ll>;
using pd = pair<ld, ld>;
#define mp make_pair
#define ff first
#define ss second
#define ar array
template<class T> using V = vector<T>;
using vi = V<int>;
using vb = V<bool>;
using vl = V<ll>;
using vd = V<ld>;
using vs = V<str>;
using vpi = V<pi>;
using vpl = V<pl>;
using vpd = V<pd>;
#define sz(x) (int)((x).size())
#define bg(x) begin(x)
#define all(x) bg(x), end(x)
#define rall(x) (x).rbegin(), (x).rend()
#define sor(x) sort(all(x))
#define rsz resize
#define ins insert
#define pb push_back
#define eb emplace_back
#define ft front()
#define bk back()
#define lb lower_bound
#define ub upper_bound
#define FOR(i, a, b) for(int i = (a); i < (b); ++i)
#define F0R(i, a) FOR(i, 0, a)
#define ROF(i, a, b) for(int i = (b) - 1; i >= (a); --i)
#define R0F(i, a) ROF(i, 0, a)
#define rep(a) F0R(_, a)
#define trav(a, x) for(auto& a : x)
template<class T> bool ckmin(T& a, const T& b) { return (b < a ? a = b, 1 : 0); }
template<class T> bool ckmax(T& a, const T& b) { return (b > a ? a = b, 1 : 0); }
/*
static const int MAX_INSTRUCTIONS = 10000;
static const int MAX_INPUTS = 1000000;
static const int _AND = 0;
static const int _OR = 1;
static const int _XOR = 2;
static const int _NOT = 3;
static inline bool increasing(int a, int b, int c) {
return a <= b && b <= c;
}
[[noreturn]] static inline void error(string message) {
printf("%s\n", message.c_str());
exit(0);
}
class InstructionNetwork {
struct Instruction {
int type;
vector<int> input_indexes;
inline Instruction(int _type, const vector<int>& _input_indexes):
type(_type), input_indexes(_input_indexes) {
}
inline int apply(int a, int b) const {
switch (type) {
case _AND:
return a & b;
case _OR:
return a | b;
case _XOR:
return a ^ b;
default:
return 0;
}
}
inline int compute(const vector<int>& memory_cells) const {
int r = memory_cells[input_indexes[0]];
if (type == _NOT)
return 1 - r;
for (int j = 1; j < (int)input_indexes.size(); j++)
r = apply(r, memory_cells[input_indexes[j]]);
return r;
}
};
int input_size;
int total_inputs;
vector<Instruction> instructions;
public:
inline void init(int _input_size) {
this->input_size = _input_size;
this->total_inputs = 0;
this->instructions.clear();
}
inline int add_instruction(int type, const vector<int>& input_indexes) {
if (input_indexes.size() == 0)
error("Instruction with no inputs");
if (instructions.size() + 1 > MAX_INSTRUCTIONS)
error("Too many instructions");
if (total_inputs + input_indexes.size() > MAX_INPUTS)
error("Too many inputs");
instructions.emplace_back(type, input_indexes);
total_inputs += input_indexes.size();
int new_index = input_size + (int)instructions.size() - 1;
for (int input_index : input_indexes)
if (!increasing(0, input_index, new_index-1))
error("Invalid index");
return new_index;
}
inline int compute(vector<int> &memory_cells) const {
for (auto &instruction : instructions)
memory_cells.push_back(instruction.compute(memory_cells));
return memory_cells.back();
}
};
static InstructionNetwork instructionNetwork;
void construct_network(int H, int W, int K);
int main() {
int H, W, K;
assert(3 == scanf("%d%d%d", &H, &W, &K));
FILE *log_file = fopen("log.txt","w");
instructionNetwork.init(H * W);
construct_network(H, W, K);
while (true) {
int rowA, colA, rowB, colB;
assert(1 == scanf("%d", &rowA));
if (rowA == -1)
break;
assert(3 == scanf("%d%d%d", &colA, &rowB, &colB));
if ((!increasing(0, rowA, H-1)) ||
(!increasing(0, colA, W-1)) ||
(!increasing(0, rowB, H-1)) ||
(!increasing(0, colB, W-1)) ||
(rowA == rowB && colA == colB)) {
printf("-1\n");
fprintf(log_file, "-1\n");
fflush(stdout);
fflush(log_file);
continue;
}
vector<int> memory_cells;
for (int row = 0; row < H; row++)
for (int col = 0; col < W; col++) {
bool active = (row == rowA && col == colA) || (row == rowB && col == colB);
memory_cells.push_back(active ? 1 : 0);
}
int computation_result = instructionNetwork.compute(memory_cells);
printf("%d\n", computation_result);
fflush(stdout);
for(int i = 0; i < (int)memory_cells.size(); i++)
fprintf(log_file, (i ? " %d" : "%d"), memory_cells[i]);
fprintf(log_file, "\n");
fflush(log_file);
}
fclose(stdin);
}
int add_and(vector<int> Ns) {
return instructionNetwork.add_instruction(_AND, Ns);
}
int add_or(vector<int> Ns) {
return instructionNetwork.add_instruction(_OR, Ns);
}
int add_xor(vector<int> Ns) {
return instructionNetwork.add_instruction(_XOR, Ns);
}
int add_not(int N) {
vector<int> Ns = {N};
return instructionNetwork.add_instruction(_NOT, Ns);
}*/
void construct_network(int H, int W, int K) {
int tl = 0, tr = H * W - 1;
while(tl < tr) {
int tm = (tl + tr) / 2;
vi ask(tm - tl + 1);
iota(all(ask), tl);
if(!add_or(ask)) {
tl = tm + 1;
} else {
tr = tm;
}
}
pi pos0 = mp(tl / W, tl % W);
tl = 0, tr = H * W - 1;
while(tl < tr) {
int tm = (tl + tr + 1) / 2;
vi ask(tr - tm + 1);
iota(all(ask), tm);
if(add_or(ask)) {
tl = tm;
} else {
tr = tm - 1;
}
}
pi pos1 = mp(tl / W, tl % W);
if(abs(pos0.ff - pos1.ff) + abs(pos0.ss - pos1.ss) == K) {
add_or(vi{tl});
} else {
add_not(tl);
}
}
Compilation message
vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:214:7: error: 'add_or' was not declared in this scope
214 | if(!add_or(ask)) {
| ^~~~~~
vision.cpp:226:6: error: 'add_or' was not declared in this scope
226 | if(add_or(ask)) {
| ^~~~~~
vision.cpp:234:3: error: 'add_or' was not declared in this scope
234 | add_or(vi{tl});
| ^~~~~~
vision.cpp:236:3: error: 'add_not' was not declared in this scope
236 | add_not(tl);
| ^~~~~~~