Submission #241577

#	Time	Username	Problem	Language	Result	Execution time	Memory
241577		Mercenary	Coins (IOI17_coins)	C++14	100 / 100	20 ms	2036 KiB

coins

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

vector<int> coin_flips(std::vector<int> b, int c) {
    int res = 0;
    for(int i = 0 ; i < 64 ; ++i)if(b[i])res ^= i;
    return vector<int>(1 , res ^ c);
}

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

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