Submission #1093380

#	Time	Username	Problem	Language	Result	Execution time	Memory
1093380		Uniq0rn	Coins (IOI17_coins)	C++14	100 / 100	6 ms	1536 KiB

coins

#include <bits/stdc++.h>

using namespace std;
 
vector<int> coin_flips(vector<int> b,int c){
    int p = 0;
    for(int i=0;i<64;i++){
        if(b[i]) continue;
        p ^= i;
    }
    c ^= p;
    return {c};
}

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

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