Submission #573120

#	Time	Username	Problem	Language	Result	Execution time	Memory
573120		hibiki	Coins (IOI17_coins)	C++11	100 / 100	11 ms	1556 KiB

coins

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

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

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