Submission #1026891

#	Time	Username	Problem	Language	Result	Execution time	Memory
1026891		Andriana88	Coins (IOI17_coins)	C++14	100 / 100	10 ms	1840 KiB

coins

#include "coins.h"
#include<iostream>
using namespace std;

vector<int> coin_flips(vector<int> b, int c) {
    vector<int> flips;
    int s=0;
    for(int i=0;i<64;++i)
    {
        if(b[i]==1) s^=i;
    }
    flips.push_back(s^c);
    return flips;
}

int find_coin(vector<int> b) {
    int res=0;
    for(int i=0;i<64;++i)
    {
        if(b[i]==1) res^=i;
    }
    return res;
}

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