Submission #725686

#	Time	Username	Problem	Language	Result	Execution time	Memory
725686		FatihSolak	Coins (IOI17_coins)	C++17	100 / 100	12 ms	1556 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
using namespace std;
std::vector<int> coin_flips(std::vector<int> b, int c) {
    std::vector<int> flips(1);
    int xr = 0;
    for(int i = 0;i<64;i++){
        if(b[i])
            xr ^= i;
    }
    flips[0] = xr ^ c;
    return flips;
}

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

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 10 / 10
• Subtask 4: 15 / 15
• Subtask 5: 50 / 50