QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#586895#9381. 502 Bad Gatewayyeah14WA 359ms3736kbC++17791b2024-09-24 16:25:142024-09-24 16:25:14

Judging History

你现在查看的是最新测评结果

  • [2024-09-24 16:25:14]
  • 评测
  • 测评结果:WA
  • 用时:359ms
  • 内存:3736kb
  • [2024-09-24 16:25:14]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll __gcd(ll x, ll y) {
	if (y == 0)return x;
	else return __gcd(y, x % y);
}
void solve() {
	ll n;
	cin >> n;
	ll k = sqrt(2 * n);
	ll x1 = k * k - k + 2 * n;
	ll x2 = (k + 1) * (k + 1) - (k+1)+2 * n;
	ll y1 = 2 * k;
	ll y2 = 2 * (k + 1);
	if (k * k == 2*n) {
		x2 = 0;
		y2 = 1;
	}
	double ans1 = double(x1) / double(y1), ans2 = double(x2) / double(y2);
	{
		ll k = 0;
		if (ans1 > ans2) {
		k = __gcd(x1, y1);
		x1 /= k;
		y1 /= k;
		cout << x1 << " " << y1 << endl;
		}
		else {
		k = __gcd(x2, y2);
		x2 /= k;
		y2 /= k;
		cout << x2 << " " << y2 << endl;
		}
	}
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int t = 1;
	cin >> t;
	while (t--)solve();
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3564kb

input:

3
1
2
3

output:

1 1
3 2
2 1

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 359ms
memory: 3736kb

input:

1000000
1
1000000000
1
1
1000000000
1
1000000000
1
1
1
1000000000
1
1
1000000000
1
1000000000
1000000000
1
1000000000
1
1
1000000000
1
1000000000
1000000000
1
1000000000
1000000000
1000000000
1000000000
1000000000
1000000000
1
1
1000000000
1
1000000000
1000000000
1000000000
1000000000
1
1
1
10000000...

output:

1 1
2000006281 44722
1 1
1 1
2000006281 44722
1 1
2000006281 44722
1 1
1 1
1 1
2000006281 44722
1 1
1 1
2000006281 44722
1 1
2000006281 44722
2000006281 44722
1 1
2000006281 44722
1 1
1 1
2000006281 44722
1 1
2000006281 44722
2000006281 44722
1 1
2000006281 44722
2000006281 44722
2000006281 44722
20...

result:

wrong answer 2nd lines differ - expected: '1999961560 44721', found: '2000006281 44722'