Submission #1121751

#	Time	Username	Problem	Language	Result	Execution time	Memory
1121751		yusufhocaoglu	Coins (IOI17_coins)	C++17	100 / 100	9 ms	2012 KiB

coins

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

mt19937 rng(chrono::steady_clock().now().time_since_epoch().count());

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

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

/*int main() {
    vector<int> a(64);
    for (int i = 0;i<63;i++) a[i]=rng()%2;
    a = coin_flips(a,rng()%64);
    cout<<a[0]<<endl;
    return 0;
}*/

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