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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
#114072#6566. Power of DivisorsUFRJ#WA 1ms3824kbC++20891b2023-06-20 21:06:042023-06-20 21:06:06

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-06-20 21:06:06]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3824kb
  • [2023-06-20 21:06:04]
  • 提交

answer

#include "bits/stdc++.h"

using lint = int64_t;

using namespace std;

map<lint,lint> memo;

int countDiv(lint x) {
    set<lint> st;
    for(lint i = 1; i <= sqrt(x) + 1; i++) {
        if(x % i == 0) {
            st.insert(i);
            st.insert(x/i);
        }
    }
    return st.size();
}

lint f(lint x) {
    return pow(x, countDiv(x));
}

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  lint n;
  cin >> n;
  for(int i = 2; i <= 70; i++) {
    lint raiz1 = pow(n, 1.0/i) - 1;
    lint raiz2 = pow(n, 1.0/i);
    lint raiz3 = pow(n, 1.0/i) + 1;

    if(f(raiz1) == n) {
        cout << raiz1 << endl;
        return 0;
    }
    if(f(raiz2) == n) {
        cout << raiz2 << endl;
        return 0;
    }
    if(f(raiz3) == n) {
        cout << raiz3 << endl;
        return 0;
    }
  }
  cout << -1 << endl;
  return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3824kb

input:

15625

output:

25

result:

ok single line: '25'

Test #2:

score: 0
Accepted
time: 1ms
memory: 3672kb

input:

64000000

output:

20

result:

ok single line: '20'

Test #3:

score: 0
Accepted
time: 1ms
memory: 3740kb

input:

65536

output:

-1

result:

ok single line: '-1'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3652kb

input:

1

output:

1

result:

ok single line: '1'

Test #5:

score: 0
Accepted
time: 1ms
memory: 3716kb

input:

10

output:

-1

result:

ok single line: '-1'

Test #6:

score: 0
Accepted
time: 1ms
memory: 3764kb

input:

100

output:

-1

result:

ok single line: '-1'

Test #7:

score: 0
Accepted
time: 1ms
memory: 3736kb

input:

10000

output:

10

result:

ok single line: '10'

Test #8:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

1000000000000000000

output:

100

result:

ok single line: '100'

Test #9:

score: -100
Wrong Answer
time: 0ms
memory: 3784kb

input:

10372926089038969

output:

-1

result:

wrong answer 1st lines differ - expected: '218089', found: '-1'