Submission #250595

#	Time	Username	Problem	Language	Result	Execution time	Memory
250595		aloo123	Coins (IOI17_coins)	C++14	100 / 100	15 ms	1780 KiB

coins

#include<bits/stdc++.h>
#include "coins.h"

using namespace std;

 
// const ll INF = 1e12;
// const ll N =(1e5+5); // TODO : change value as per problem
// const ll MOD = 1e9;
vector<int> coin_flips(vector<int> b, int c) {
    int x = 0;
    for(int i = 0;i<64;i++){
        if(b[i])
            x ^= i;
    }
    return vector<int>(1,x ^ c);
}

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

//     vector<int> b(64,0);
//     vector<int> gg = coin_flips(b,63);
//     b[gg[0]] ^= 1;
//     cout << find_coin(b) << endl;
//     return 0;
// }

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