Submission #1232604

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232604		erering	Coins (IOI17_coins)	C++20	100 / 100	5 ms	584 KiB

coins

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

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

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

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