Submission #770053

#	Time	Username	Problem	Language	Result	Execution time	Memory
770053		FatihSolak	Alice, Bob, and Circuit (APIO23_abc)	C++17	66 / 100	461 ms	492868 KiB

abc

#include "abc.h"
#include <bits/stdc++.h>
using namespace std;
#define K 16
#define M 20

// 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[]
) {
    int ret = 0;
    for(int i = 0;i < n;i++){
        string t = names[i];
        for(int j = 0;j<t.size();j++){
            int num = t[j] - 'a' + 1;
            for(int c = 0;c<5;c++){
                if(num & (1<<c)){
                    outputs_alice[ret++] = 1;
                }
                else outputs_alice[ret++] = 0;
            }
        }
        for(int j = t.size();j<4;j++){
            for(int c = 0;c<5;c++){
                outputs_alice[ret++] = 0;
            }
        }
        for(int j = 0;j<K;j++){
            if(numbers[i] & (1<<j)){
                outputs_alice[ret++] = 1;
            }
            else outputs_alice[ret++] = 0;
        }
    }
    // int last = 0; 
    // for(int i = 0;i<n;i++){
    //     for(int j = 0;j<M;j++){
    //         cout << outputs_alice[last++] << ' ';
    //     }   
    //     cout << endl;
    //     for(int j = 0;j<K;j++){
    //         cout << outputs_alice[last++] << ' ';
    //     }   
    //     cout << endl;
    // }
    // cout << endl;
    return ret;
}


// Bob
int // returns lb
bob(
    /*  in */ const int m,
    /*  in */ const char senders[][5],
    /*  in */ const char recipients[][5],
    /* out */ bool outputs_bob[]
) {
    int ret = 0;
    for(int i = 0;i<m;i++){
        string t = senders[i];
        for(int j = 0;j<t.size();j++){
            int num = t[j] - 'a' + 1;
            for(int c = 0;c<5;c++){
                if(num & (1<<c)){
                    outputs_bob[ret++] = 1;
                }
                else outputs_bob[ret++] = 0;
            }
        }
        for(int j = t.size();j<4;j++){
            for(int c = 0;c<5;c++){
                outputs_bob[ret++] = 0;
            }
        }
        t = recipients[i];
        for(int j = 0;j<t.size();j++){
            int num = t[j] - 'a' + 1;
            for(int c = 0;c<5;c++){
                if(num & (1<<c)){
                    outputs_bob[ret++] = 1;
                }
                else outputs_bob[ret++] = 0;
            }
        }
        for(int j = t.size();j<4;j++){
            for(int c = 0;c<5;c++){
                outputs_bob[ret++] = 0;
            }
        }
    }
    // int last = 0; 
    // for(int i = 0;i<m;i++){
    //     for(int j = 0;j<M;j++){
    //         cout << outputs_bob[last++] << ' ';
    //     }   
    //     cout << endl;
    //     for(int j = 0;j<M;j++){
    //         cout << outputs_bob[last++] << ' ';
    //     }   
    //     cout << endl;
    // }
    // cout << endl;
    return ret;
}


// 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]
) {
    int n = la  / (K + M);
    int m = lb / 2 / M;
    int ret = la + lb;
    auto f = [&](int a,int b,int c){
        operations[ret] = a;
        operands[ret][0] = b;
        operands[ret][1] = c;
        return ret++;
    };
    for(int i = 0;i<n;i++){
        for(int j = 0;j<K;j++){
            outputs_circuit[i][j] = f(OP_ZERO,0,0);
        }
    }
    int pos0 = f(OP_ZERO,0,0);
    int pos1 = f(OP_ONE,0,0);
    for(int i = 0;i<m;i++){
        vector<int> nowval(K,pos0);
        for(int j = 0;j < n;j++){
            int now = pos1;
            for(int c = 0;c<M;c++){
                int idx1 = la + 2 * M * i + c;
                int idx2 = (K + M) * j  + c;
                now = f(OP_AND,now,f(OP_EQUAL,idx1,idx2));
            }
            for(int c = 0;c<K;c++){
                int idx = (K + M)*j + M + c;
                nowval[c] = f(OP_OR,nowval[c],f(OP_AND,now,idx));
            }
        }
        for(int j = 0;j < n;j++){
            int now = pos1;
            for(int c = 0;c<M;c++){
                int idx1 = la + 2 * M * i + M + c;
                int idx2 = (K + M) * j  + c;
                now = f(OP_AND,now,f(OP_EQUAL,idx1,idx2));
            }
            vector<int> cur(K,0);
            for(int c = 0;c<K;c++){
                cur[c] = f(OP_AND,now,nowval[c]);
            }
            int carry = pos0;
            for(int c = 0;c<K;c++){
                int tmp = outputs_circuit[j][c];
                outputs_circuit[j][c] = f(OP_XOR,outputs_circuit[j][c],f(OP_XOR,carry,cur[c]));
                carry = f(OP_OR,f(OP_AND,tmp,cur[c]),f(OP_OR,f(OP_AND,tmp,carry),f(OP_AND,carry,cur[c])));
            }
        }
    }
    return ret;
}

Compilation message (stderr)

abc.cpp: In function 'int alice(int, const char (*)[5], const short unsigned int*, bool*)':
abc.cpp:37:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |         for(int j = 0;j<t.size();j++){
      |                       ~^~~~~~~~~
abc.cpp: In function 'int bob(int, const char (*)[5], const char (*)[5], bool*)':
abc.cpp:85:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |         for(int j = 0;j<t.size();j++){
      |                       ~^~~~~~~~~
abc.cpp:100:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  100 |         for(int j = 0;j<t.size();j++){
      |                       ~^~~~~~~~~

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