제출 #580825

#제출 시각아이디문제언어결과실행 시간메모리
580825Omar_ElgedawyCoins (IOI17_coins)C++14
100 / 100
10 ms1552 KiB
#include <bits/stdc++.h>
//#include "grader.cpp"
using namespace std;
vector<int> coin_flips(vector<int> b, int c) {  
    vector<int>inv;
    int x=0;
    for(int i=0;i<64;i++){
        x^=(i)*b[i];
    }
    inv.push_back(x^c);
    return inv;
}

int find_coin(std::vector<int> b){
    int x=0;
    for(int i=0;i<64;i++){
        x^=(i)*b[i];
    }
    return x;
}
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