# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1150642 | davele | Coins (IOI17_coins) | C++20 | 0 ms | 0 KiB |
#include "coins.h"
#include <bits/stdc++.h>
using namespace std;
std::vector<int> coin_flips(std::vector<int> b, int c) {
int sumxor = c;
for (int i=0; i<64; i++) if (b[i]) sumxor^=i;
vector <int> ret;
ret.pb(sumxor);
return ret;
}
int find_coin(std::vector<int> b) {
int sumxor = 0;
for (int i=0; i<64; i++) if (b[i]) sumxor^=i;
return sumxor;
}