QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#810832#9864. CoinlbssssssWA 2ms3576kbC++17512b2024-12-12 11:48:532024-12-12 11:49:02

Judging History

你现在查看的是最新测评结果

  • [2024-12-12 11:49:02]
  • 评测
  • 测评结果：WA
  • 用时：2ms
  • 内存：3576kb
查看
  • [2024-12-12 11:48:53]
  • 提交

answer

#include<bits/stdc++.h>

#define int long long

void solve(){

    int n,k;
    std::cin >> n >> k;
    
    if(k>n){
        std::cout<<n<<"\n";
        return ;
    }

    // k+2 < n
    int f1 = k; 
    while((__int128)(f1*k+k-2)/(k-1)<=n+1){
        f1 = (__int128)(f1*k+k-2)/(k-1);
    }
    std::cout<<f1<<'\n';

}

signed main(){

    
    std::cin.tie(0)->sync_with_stdio(0);
    std::cout.tie(0);
    int t = 1;
    std::cin >> t;
    while(t--)solve();

    return 0;
}
Source code, Language: C++17

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3576kb

input:

4
6 2
8 3
10000 2
1919810 114514

output:

4
8
8192
1919805

result:

ok 4 number(s): "4 8 8192 1919805"

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 3548kb

input:

100
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
2 11
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
3 10
3 11
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
4 10
4 11
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
5 10
5 11
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
6 10
6 11
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
7 10
7 11
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
8 10
8 11
9 ...

output:

2
2
2
2
2
2
2
2
2
2
4
3
3
3
3
3
3
3
3
3
4
5
4
4
4
4
4
4
4
4
4
5
6
5
5
5
5
5
5
5
4
5
6
7
6
6
6
6
6
6
8
8
8
7
8
7
7
7
7
7
8
8
8
9
8
9
8
8
8
8
8
8
8
9
10
9
10
9
9
9
8
8
11
9
10
11
10
11
10
10
8
12
11
12
12
11
12
11
12
11

result:

wrong answer 11th numbers differ - expected: '2', found: '4'
English 繁體中文 简体中文

Server Time: 2025-02-01 15:35:56 | OpenSource Project