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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
#419632#6566. Power of DivisorsohiostatescarletAC ✓33ms12088kbC++171.1kb2024-05-24 05:06:582024-05-24 05:06:59

Judging History

你现在查看的是最新测评结果

  • [2024-05-24 05:06:59]
  • 评测
  • 测评结果：AC
  • 用时：33ms
  • 内存：12088kb
查看
  • [2024-05-24 05:06:58]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define L long long
L M = 1e6;
inline L pow_mod(L x, L n) {
  L res = 1;
  for (; n; n >>= 1) {
    if (n & 1) res = res * x;
    x = x * x;
  }
  return res;
}
int main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
  vector<L> primes;
  vector<L> fact(M+1,1);
  for (L i = 2; i <= M; i++) {
    if (fact[i] == 1) {
      primes.push_back(i);
      for (L j = 2 * i; j <= M; j += i) {
        L f = 1;
        L k = j;
        while (k % i == 0) {
          k /= i;
          f++;
        }
        fact[j] *= f;
      }
    }
  }
  L x;
  cin >> x;
  for (double i = 62; i >= 2; i--) {
    L v = round(pow(x, 1/i));
    if (pow_mod(v, i) == x) {
      if (i > 2) {
        if (i == fact[v]) {
          cout << v << endl;
          return 0;
        }
      } else {
        bool succ = true;
        for (L a : primes) {
          if (a != v && x % a == 0) {
            succ = false;
          }
        }
        if (succ) {
          cout << v << endl;
          return 0;
        }
      }
    }
  }
  cout << "-1\n";
}

/*

15625

*/
源文件, 语言: C++17

详细

Test #1:

score: 100
Accepted
time: 33ms
memory: 11840kb

input:

15625

output:

25

result:

ok single line: '25'

Test #2:

score: 0
Accepted
time: 28ms
memory: 12084kb

input:

64000000

output:

20

result:

ok single line: '20'

Test #3:

score: 0
Accepted
time: 33ms
memory: 12032kb

input:

65536

output:

-1

result:

ok single line: '-1'

Test #4:

score: 0
Accepted
time: 29ms
memory: 11940kb

input:

1

output:

1

result:

ok single line: '1'

Test #5:

score: 0
Accepted
time: 33ms
memory: 11932kb

input:

10

output:

-1

result:

ok single line: '-1'

Test #6:

score: 0
Accepted
time: 29ms
memory: 11932kb

input:

100

output:

-1

result:

ok single line: '-1'

Test #7:

score: 0
Accepted
time: 33ms
memory: 11928kb

input:

10000

output:

10

result:

ok single line: '10'

Test #8:

score: 0
Accepted
time: 29ms
memory: 11904kb

input:

1000000000000000000

output:

100

result:

ok single line: '100'

Test #9:

score: 0
Accepted
time: 29ms
memory: 12032kb

input:

10372926089038969

output:

218089

result:

ok single line: '218089'

Test #10:

score: 0
Accepted
time: 29ms
memory: 11864kb

input:

10642944803293201

output:

10157

result:

ok single line: '10157'

Test #11:

score: 0
Accepted
time: 32ms
memory: 12032kb

input:

10646534823110209

output:

103182047

result:

ok single line: '103182047'

Test #12:

score: 0
Accepted
time: 32ms
memory: 11864kb

input:

1073741824

output:

32

result:

ok single line: '32'

Test #13:

score: 0
Accepted
time: 29ms
memory: 11944kb

input:

121

output:

11

result:

ok single line: '11'

Test #14:

score: 0
Accepted
time: 33ms
memory: 11892kb

input:

1296

output:

6

result:

ok single line: '6'

Test #15:

score: 0
Accepted
time: 29ms
memory: 11984kb

input:

16

output:

-1

result:

ok single line: '-1'

Test #16:

score: 0
Accepted
time: 29ms
memory: 12036kb

input:

16277421889

output:

127583

result:

ok single line: '127583'

Test #17:

score: 0
Accepted
time: 33ms
memory: 12036kb

input:

169

output:

13

result:

ok single line: '13'

Test #18:

score: 0
Accepted
time: 29ms
memory: 11892kb

input:

1985984

output:

-1

result:

ok single line: '-1'

Test #19:

score: 0
Accepted
time: 29ms
memory: 11972kb

input:

2

output:

-1

result:

ok single line: '-1'

Test #20:

score: 0
Accepted
time: 29ms
memory: 11932kb

input:

205891132094649

output:

243

result:

ok single line: '243'

Test #21:

score: 0
Accepted
time: 33ms
memory: 11904kb

input:

25

output:

5

result:

ok single line: '5'

Test #22:

score: 0
Accepted
time: 33ms
memory: 11864kb

input:

2626114239841

output:

1273

result:

ok single line: '1273'

Test #23:

score: 0
Accepted
time: 24ms
memory: 11924kb

input:

26269395104446321

output:

12731

result:

ok single line: '12731'

Test #24:

score: 0
Accepted
time: 29ms
memory: 12088kb

input:

3

output:

-1

result:

ok single line: '-1'

Test #25:

score: 0
Accepted
time: 29ms
memory: 12032kb

input:

3596345248055296

output:

88

result:

ok single line: '88'

Test #26:

score: 0
Accepted
time: 29ms
memory: 12036kb

input:

36

output:

-1

result:

ok single line: '-1'

Test #27:

score: 0
Accepted
time: 26ms
memory: 11932kb

input:

4

output:

2

result:

ok single line: '2'

Test #28:

score: 0
Accepted
time: 29ms
memory: 11972kb

input:

4096

output:

8

result:

ok single line: '8'

Test #29:

score: 0
Accepted
time: 33ms
memory: 11844kb

input:

49

output:

7

result:

ok single line: '7'

Test #30:

score: 0
Accepted
time: 32ms
memory: 11888kb

input:

5

output:

-1

result:

ok single line: '-1'

Test #31:

score: 0
Accepted
time: 24ms
memory: 11972kb

input:

576460752303423488

output:

-1

result:

ok single line: '-1'

Test #32:

score: 0
Accepted
time: 33ms
memory: 11924kb

input:

581431415926321

output:

24112889

result:

ok single line: '24112889'

Test #33:

score: 0
Accepted
time: 25ms
memory: 11888kb

input:

6

output:

-1

result:

ok single line: '-1'

Test #34:

score: 0
Accepted
time: 33ms
memory: 11856kb

input:

64

output:

4

result:

ok single line: '4'

Test #35:

score: 0
Accepted
time: 33ms
memory: 11980kb

input:

656100000000

output:

30

result:

ok single line: '30'

Test #36:

score: 0
Accepted
time: 33ms
memory: 11944kb

input:

7

output:

-1

result:

ok single line: '-1'

Test #37:

score: 0
Accepted
time: 29ms
memory: 11892kb

input:

729

output:

9

result:

ok single line: '9'

Test #38:

score: 0
Accepted
time: 29ms
memory: 11832kb

input:

8

output:

-1

result:

ok single line: '-1'

Test #39:

score: 0
Accepted
time: 33ms
memory: 11940kb

input:

81

output:

-1

result:

ok single line: '-1'

Test #40:

score: 0
Accepted
time: 29ms
memory: 11852kb

input:

8527674378686464

output:

452

result:

ok single line: '452'

Test #41:

score: 0
Accepted
time: 29ms
memory: 11864kb

input:

9

output:

3

result:

ok single line: '3'

Test #42:

score: 0
Accepted
time: 29ms
memory: 12032kb

input:

982134461213542729

output:

994009

result:

ok single line: '994009'

Test #43:

score: 0
Accepted
time: 32ms
memory: 11864kb

input:

9992002399680016

output:

9998

result:

ok single line: '9998'

Test #44:

score: 0
Accepted
time: 33ms
memory: 12088kb

input:

999269311525198921

output:

-1

result:

ok single line: '-1'

Test #45:

score: 0
Accepted
time: 33ms
memory: 11864kb

input:

999949000866995087

output:

-1

result:

ok single line: '-1'

Test #46:

score: 0
Accepted
time: 30ms
memory: 11908kb

input:

999995482005103081

output:

-1

result:

ok single line: '-1'

Test #47:

score: 0
Accepted
time: 33ms
memory: 11888kb

input:

999999969999997921

output:

-1

result:

ok single line: '-1'

Test #48:

score: 0
Accepted
time: 33ms
memory: 11944kb

input:

999999999999999989

output:

-1

result:

ok single line: '-1'

Test #49:

score: 0
Accepted
time: 29ms
memory: 12088kb

input:

999999999999999999

output:

-1

result:

ok single line: '-1'
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服务器时间: 2024-12-12 06:49:13 | 开源项目