Submission #1076259

#	Time	Username	Problem	Language	Result	Execution time	Memory
1076259		noyancanturk	Alice, Bob, and Circuit (APIO23_abc)	C++17	24 / 100	39 ms	6120 KiB

abc

#include "abc.h"

#include<bits/stdc++.h>
using namespace std;

#define pb push_back

// 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[]
) {
    vector<pair<string,int>>st;
    for(int i=0;i<n;i++){
        int ind=0;
        string s;
        while(names[i][ind]){
            s.pb(names[i][ind++]);
        }
        st.pb({s,numbers[i]});
    }
    sort(st.begin(),st.end());
    int i=0;
    for(auto&[s,num]:st){
        for(int j=0;j<16;j++){
            outputs_alice[i++]=(num>>j)&1;
        }
    }
    return i;
}


// Bob
int // returns lb
bob(
    /*  in */ const int m,
    /*  in */ const char senders[][5],
    /*  in */ const char recipients[][5],
    /* out */ bool outputs_bob[]
) {
    string send[m];
    vector<string>st;
    for(int i=0;i<m;i++){
        int ind=0;
        string s;
        while(senders[i][ind]){
            s.pb(senders[i][ind++]);
        }
        st.pb(s);
        send[i]=s;
    }
    string rec[m];
    for(int i=0;i<m;i++){
        int ind=0;
        string s;
        while(recipients[i][ind]){
            s.pb(recipients[i][ind++]);
        }
        st.pb(s);
        rec[i]=s;
    }
    sort(st.begin(),st.end());
    int n=unique(st.begin(),st.end())-st.begin();
    for(int i=0;i<n*n;i++){
        outputs_bob[i]=0;
    }
    unordered_map<string,int>mp;
    for(int i=0;i<n;i++){
        mp[st[i]]=i;
    }
    for(int i=0;i<m;i++){
        outputs_bob[ mp[rec[i]]*n + mp[send[i]] ]=1;
    }
    return n*n;
}


// 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]
) {
    const int n=la/16;
    assert(n*n==lb);
    int nextindex=la+lb;
    auto pushgate=[&](int g1,int g2,int op) -> int {
        operations[nextindex]=op;
        operands[nextindex][0]=g1;
        operands[nextindex][1]=g2;
        return nextindex++;
    };
    auto sumgate=[&](vector<int>&x,vector<int>&y) -> vector<int> {
        vector<int>result;
        int past=-1;
        for(int i=0;i<16;i++){
            int cur=pushgate(x[i],y[i],OP_XOR);
            int nextt=pushgate(x[i],y[i],OP_AND);
            if(i){
                int nexttt=pushgate(cur,past,OP_AND);
                nextt=pushgate(nextt,nexttt,OP_OR);
                cur=pushgate(cur,past,OP_XOR);
            }
            result.pb(cur);
            past=nextt;
        }
        return result;
    };
    auto createzeronum = [&]() -> vector<int> {
        vector<int>result;
        for(int i=0;i<16;i++){
            result.pb(pushgate(0,0,OP_ZERO));
        }
        return result;
    };
    auto check = [&](vector<int>target, int g) -> vector<int> {
        vector<int>result;
        for(int i=0;i<16;i++){
            result.pb(pushgate(target[i],g,OP_AND));
        }
        return result;
    };
    vector<int>alicenums[n];
    for(int i=0;i<la;i++){
        alicenums[i/16].pb(i);
    }
    vector<vector<int>>ans;
    for(int i=0;i<n;i++){
        ans.pb(createzeronum());
        for(int j=0;j<n;j++){
            vector<int>cpy=check(alicenums[j],la+ i*n + j );
            ans.back()=sumgate(cpy,ans.back());
        }
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<16;j++){
            outputs_circuit[i][j]=ans[i][j];
        }
    }
    return nextindex;
}

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