Submission #1063867

#	Time	Username	Problem	Language	Result	Execution time	Memory
1063867		12345678	Alice, Bob, and Circuit (APIO23_abc)	C++17	12 / 100	94 ms	12112 KiB

abc

#include "abc.h"
#include <bits/stdc++.h>

using namespace std;

// 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

// Alice
int // returns la
alice(
    /*  in */ const int n,
    /*  in */ const char names[][5],
    /*  in */ const unsigned short numbers[],
    /* out */ bool outputs_alice[]
) {
    for (int i=0; i<16; i++) outputs_alice[i]=numbers[0]&(1<<i);
    for (int i=16; i<32; i++) outputs_alice[i]=0;
    return 32;
}


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


// Circuit

int cnt, zero;

int addnum(int a, int b, int operations[], int operands[][2])
{
    int rem=zero;
    vector<int> v;
    for (int i=0; i<16; i++)
    {
        operations[cnt]=OP_XOR;
        operands[cnt][0]=a+i;
        operands[cnt][1]=b+i;
        int fxor=cnt++;
        operations[cnt]=OP_XOR;
        operands[cnt][0]=fxor;
        operands[cnt][1]=rem;
        v.push_back(cnt);
        int cxor=cnt++;
        operations[cnt]=OP_AND;
        operands[cnt][0]=a+i;
        operands[cnt][1]=b+i;
        int fand=cnt++;
        operations[cnt]=OP_AND;
        operands[cnt][0]=fxor;
        operands[cnt][1]=rem;
        int lst=cnt++;
        operations[cnt]=OP_OR;
        operands[cnt][0]=fand;
        operands[cnt][1]=lst;
        rem=cnt++;
    }
    int sv=cnt;
    //cout<<"vecctor ";
    //for (auto x:v) cout<<x<<' ';
    //cout<<'\n';
    for (int i=0; i<16; i++)
    {
        operations[cnt]=OP_X0;
        operands[cnt][0]=v[i];
        operands[cnt][1]=v[i];
        cnt++;
    }
    return sv;
}

int // returns l
circuit(
    /*  in */ const int la,
    /*  in */ const int lb,
    /* out */ int operations[],
    /* out */ int operands[][2],
    /* out */ int outputs_circuit[][16]
) {
    cnt=la+lb;
    zero=la;
    int curnum=16;
    for (int i=0; i<lb; i++) curnum=addnum(0, curnum, operations, operands);
    for (int i=0; i<16; i++) outputs_circuit[0][i]=curnum+i;
    return cnt;
}

Compilation message (stderr)

abc.cpp: In function 'int addnum(int, int, int*, int (*)[2])':
abc.cpp:69:13: warning: unused variable 'cxor' [-Wunused-variable]
   69 |         int cxor=cnt++;
      |             ^~~~

• 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