Submission #1041353

#	Time	Username	Problem	Language	Result	Execution time	Memory
1041353		eitanelb	Alice, Bob, and Circuit (APIO23_abc)	C++17	12 / 100	80 ms	11892 KiB

abc

#include "abc.h"

// you may find the definitions useful
const int OP_ZERO    = 0;  // f(OP_ZERO,    x0, x1) = 0
const int OP_NOR     = 1;  // f(OP_NOR,     x0, x1) = !(x0 || x1)
const int OP_GREATER = 2;  // f(OP_GREATER, x0, x1) = (x0 > x1)
const int OP_NOT_X1  = 3;  // f(OP_NOT_X1,  x0, x1) = !x1
const int OP_LESS    = 4;  // f(OP_LESS,    x0, x1) = (x0 < x1)
const int OP_NOT_X0  = 5;  // f(OP_NOT_X0,  x0, x1) = !x0
const int OP_XOR     = 6;  // f(OP_XOR,     x0, x1) = (x0 ^ x1)
const int OP_NAND    = 7;  // f(OP_NAND,    x0, x1) = !(x0 && x1)
const int OP_AND     = 8;  // f(OP_AND,     x0, x1) = (x0 && x1)
const int OP_EQUAL   = 9;  // f(OP_EQUAL,   x0, x1) = (x0 == x1)
const int OP_X0      = 10; // f(OP_X0,      x0, x1) = x0
const int OP_GEQ     = 11; // f(OP_GEQ,     x0, x1) = (x0 >= x1)
const int OP_X1      = 12; // f(OP_X1,      x0, x1) = x1
const int OP_LEQ     = 13; // f(OP_LEQ,     x0, x1) = (x0 <= x1)
const int OP_OR      = 14; // f(OP_OR,      x0, x1) = (x0 || x1)
const int OP_ONE     = 15; // f(OP_ONE,     x0, x1) = 1
#include<bits/stdc++.h>
using namespace std;
#define pi pair<int,int>
#define x first
#define y second

void write_num(bool * p, int num){
    for(int i=0;i<16;i++){
        p[i] = num&1;
        num>>=1;
    }
}

// Alice
int // returns la
alice(
    /*  in */ const int n,
    /*  in */ const char names[][5],
    /*  in */ const unsigned short numbers[],
    /* out */ bool outputs_alice[]
) {
    //outputs_alice[0] = 0;
    write_num(outputs_alice, numbers[0]);
    //outputs_alice[1] = 0;
    return 16;
}


// Bob
int // returns lb
bob(
    /*  in */ const int m,
    /*  in */ const char senders[][5],
    /*  in */ const char recipients[][5],
    /* out */ bool outputs_bob[]
) {
    //outputs_bob[0] = 1;
    //outputs_bob[1] = 1;
    //outputs_bob[2] = 0;
    return m;
}

int * gate_op;
//auto gate_opnds;

int e;
pi ha(int a, int b,int gate_opnds[][2]){
    int s = e;
    gate_op[e]=OP_XOR; gate_opnds[e][0]=a; gate_opnds[e][1]=b; e++;
    int c = e;
    gate_op[e]=OP_AND; gate_opnds[e][0]=a; gate_opnds[e][1]=b; e++;
    return {s,c};
}
pi fa(int a, int b, int c,int gate_opnds[][2]){
    gate_op[e]=OP_XOR; gate_opnds[e][0]=a; gate_opnds[e][1]=b; e++;
    int s=e;
    gate_op[e]=OP_XOR; gate_opnds[e][0]=e-1; gate_opnds[e][1]=c; e++;
    
    gate_op[e]=OP_AND; gate_opnds[e][0]=a; gate_opnds[e][1]=b; e++;
    gate_op[e]=OP_AND; gate_opnds[e][0]=e-3; gate_opnds[e][1]=c; e++;
    int ca = e;
    gate_op[e]=OP_OR; gate_opnds[e][0]=e-1; gate_opnds[e][1]=e-2; e++;
    return {s,ca};
}

vector<int> add(vector<int> a, vector<int> b, int op[][2]){
    vector<int> c(16);
    pi p = ha(a[0],b[0],op);
    c[0]=p.x;
    int u=p.y;
    for(int i=1;i<16;i++){
        p = fa(a[i],b[i],u,op);
        c[i]=p.x;
        u=p.y;
    }
    return c;
}
// Circuit
int // returns l
circuit(
    /*  in */ const int la,
    /*  in */ const int lb,
    /* out */ int operations[],
    /* out */ int operands[][2],
    /* out */ int outputs_circuit[][16]
) {
    //auto gate_opnds=operands;
    gate_op=operations;
    e = la+lb;
    int zero=e;
    operations[e]=0; operands[e][0]=operands[e][1]=0; e++;
    int one=e;
    operations[e]=15; operands[e][0]=operands[e][1]=0; e++;
    vector<int> cur(16,zero);
    vector<int> num(16); for(int i=0;i<16;i++) num[i]=i;
    for(int i=0;i<lb;i++){
        cur = add(cur,num,operands);
    }
    for(int i=0;i<16;i++) outputs_circuit[0][i]=cur[i];
    return e;
}

Compilation message (stderr)

abc.cpp: In function 'int circuit(int, int, int*, int (*)[2], int (*)[16])':
abc.cpp:111:9: warning: unused variable 'one' [-Wunused-variable]
  111 |     int one=e;
      |         ^~~

• Subtask 1: 4 / 4
• Subtask 2: 4 / 4
• Subtask 3: 4 / 4
• Subtask 4: 0 / 24
• Subtask 5: 0 / 24
• Subtask 6: 0 / 6
• Subtask 7: 0 / 18
• Subtask 8: 0 / 10
• Subtask 9: 0 / 6