Submission #1006151

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006151		Aria_lix19	Coins (IOI17_coins)	C++14	100 / 100	7 ms	1528 KiB

coins

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

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

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