Submission #317088

#	Time	Username	Problem	Language	Result	Execution time	Memory
317088		jhnah917	Coins (IOI17_coins)	C++14	100 / 100	13 ms	1952 KiB

coins

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

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

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

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