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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #153277 | #6859. Alice Game | neko_nyaa | WA | 0ms | 3672kb | C++23 | 728b | 2023-08-29 20:00:46 | 2023-08-29 20:00:46 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int M = 1000000007;
int modpow(int n, int k) {
int ans = 1;
while (k) {
if (k % 2) ans = (ans*n) % M;
n = (n*n) % M; k /= 2;
}
return ans;
}
int c4(int n) {
int p = n*(n-1)*(n-2)*(n-3) % M;
int q = 1*2*3*4;
return p*modpow(q, M-2) % M;
}
int c2(int n) {
int p = n*(n-1);
int q = 1*2;
return p*modpow(q, M-2) % M;
}
typedef bitset<1000> bs;
void solve() {
int k, n; cin >> k >> n;
if (n <= k || (k % 2) == (n % 2)) {
cout << "Alice\n";
} else {
cout << "Bob\n";
}
}
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
int t; cin >> t;
while (t--) {
solve();
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3672kb
input:
10000 215030 4437195 8215193 41075968 9100231 94335691 1846348 75360383 5022266 33559435 3346837 83705658 3209595 91853022 6760646 72650429 1861672 46541813 847955 91391745 6760979 91894780 8926014 2897123 8789221 17902247 2935002 27259386 6708849 33788122 2811931 29235487 1067245 624896 7134584 576...
output:
Bob Bob Alice Bob Bob Bob Bob Bob Bob Alice Bob Alice Alice Alice Bob Alice Alice Bob Bob Bob Alice Bob Alice Alice Bob Bob Bob Alice Bob Bob Alice Alice Bob Alice Alice Bob Alice Alice Alice Alice Alice Bob Bob Bob Alice Bob Alice Alice Bob Alice Alice Alice Bob Bob Alice Bob Bob Bob Bob Alice Bob ...
result:
wrong answer 1st lines differ - expected: 'Alice', found: 'Bob'