Submission #128755

#	Time	Username	Problem	Language	Result	Execution time	Memory
128755		Mahmoud_Adel	Coins (IOI17_coins)	C++14	100 / 100	13 ms	1516 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> coin_flips(vector<int> b, int c) {
    vector<int> flips;
    int tot = 0;
    for(int i=0; i<64; i++)
    {
		if(!b[i]) continue;
		tot ^= i;
	}
	flips.push_back(tot^c);	
    return flips;
}

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

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