Submission #1219154

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219154		matere	Coins (IOI17_coins)	C++20	100 / 100	6 ms	584 KiB

coins

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

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

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

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