# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
1141410 | efishel | Coins (IOI17_coins) | C++20 | 6 ms | 584 KiB |
#include "coins.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector <ll>;
using ii = pair <ll, ll>;
using vii = vector <ii>;
using vi = vector <int>;
vi coin_flips (vi b, int c) {
ll acc = 0;
for (ll i = 0; i < 64; i++) {
if (b[i]) acc ^= i;
}
return { acc^c };
}
int find_coin (vi b) {
ll acc = 0;
for (ll i = 0; i < 64; i++) {
if (b[i]) acc ^= i;
}
return acc;
}
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