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
#588399#9381. 502 Bad GatewayJTaoWA 224ms3700kbC++201.1kb2024-09-25 10:30:212024-09-25 10:30:21

Judging History

你现在查看的是最新测评结果

  • [2024-09-25 10:30:21]
  • 评测
  • 测评结果:WA
  • 用时:224ms
  • 内存:3700kb
  • [2024-09-25 10:30:21]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N = 1e7 + 5;
const int mod = 1e9 + 7;

int n;
int gcd(int a, int b) {
    int c;
    while (b) {
        c = a % b;
        a = b;
        b = c;
    }
    return a;
}
void prin(int a, int b, int c, int d) {
    int t1 = a * d + b * c;
    int t2 = b * d;
    int t = gcd(t1, t2);
    cout << t1 / t << " " << t2 / t << '\n';
}
void solve() {
    
    cin >> n;
    int t = sqrt(2 * n);
    if (t * t == n) {
        prin(t - 1, 2, n, t);
    }
    else {
        int t1, t2;
        if (t * t > n) {
            t1 = t - 1; 
            t2 = t;
        }
        else {
            t1 = t;
            t2 = t + 1;
        }
        int tt1 = (t1 - 1) * t1 + 2 * n;
        int tt2 = (t2 - 1) * t2 + 2 * n;
        if (tt1 * t2 > tt2 * t1) {
            prin(t2 - 1, 2, n, t2);
        }
        else {
            prin(t1 - 1, 2, n, t1);
        }
    }

}
signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int T = 1;
    cin >> T;
    while (T--)
        solve();
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3504kb

input:

3
1
2
3

output:

1 1
3 2
2 1

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 151ms
memory: 3588kb

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
1999961560 44721
1 1
1 1
1999961560 44721
1 1
1999961560 44721
1 1
1 1
1 1
1999961560 44721
1 1
1 1
1999961560 44721
1 1
1999961560 44721
1999961560 44721
1 1
1999961560 44721
1 1
1 1
1999961560 44721
1 1
1999961560 44721
1999961560 44721
1 1
1999961560 44721
1999961560 44721
1999961560 44721
19...

result:

ok 1000000 lines

Test #3:

score: -100
Wrong Answer
time: 224ms
memory: 3700kb

input:

1000000
158260522
877914575
602436426
24979445
861648772
623690081
433933447
476190629
262703497
211047202
971407775
628894325
731963982
822804784
450968417
430302156
982631932
161735902
880895728
923078537
707723857
189330739
910286918
802329211
404539679
303238506
317063340
492686568
773361868
125...

output:

316511467 17791
877891213 20951
1204845831 34711
49954223 7068
215406386 5189
623676492 17659
867835058 29459
952344999 30860
525378157 22921
211032449 10272
1942776701 44077
251551941 7093
1463896912 38261
1645584679 40566
901913913 30032
107573492 3667
1965228547 44331
323457022 17985
1761741106 4...

result:

wrong answer 2nd lines differ - expected: '1755824328 41903', found: '877891213 20951'