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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
#110861#6566. Power of DivisorsHe_Ren#AC ✓36ms7092kbC++17715b2023-06-04 13:26:402023-06-04 13:26:44

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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.
  • [2023-06-04 13:26:44]
  • 评测
  • 测评结果：AC
  • 用时：36ms
  • 内存：7092kb
查看
  • [2023-06-04 13:26:40]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;

bool isprime(ll x)
{
	if(x <= 1) return 0;
	for(ll i=2; i*i<=x; ++i)
		if(x % i == 0)
			return 0;
	return 1;
}

int main(void)
{
	ll x;
	scanf("%lld",&x);
	
	const int n = 1e6;
	vector<int> f(n + 1);
	for(int i=1; i<=n; ++i)
		for(int j=i; j<=n; j+=i)
			++f[j];
	
	for(int i=1; i<=n; ++i)
	{
		__int128 cur = 1;
		for(int j=1; j<=f[i] && cur<=x; ++j)
			cur *= i;
		if(cur == x)
		{
			printf("%d\n",i);
			return 0;
		}
	}
	
	ll y = sqrt(x) + 5;
	while(y * y > x) --y;
	if(y * y == x && isprime(y))
	{
		printf("%lld\n",y);
		return 0;
	}
	
	printf("-1\n");
	return 0;
}
源文件, 语言: C++17

详细

Test #1:

score: 100
Accepted
time: 29ms
memory: 7000kb

input:

15625

output:

25

result:

ok single line: '25'

Test #2:

score: 0
Accepted
time: 27ms
memory: 7088kb

input:

64000000

output:

20

result:

ok single line: '20'

Test #3:

score: 0
Accepted
time: 23ms
memory: 7092kb

input:

65536

output:

-1

result:

ok single line: '-1'

Test #4:

score: 0
Accepted
time: 27ms
memory: 7032kb

input:

1

output:

1

result:

ok single line: '1'

Test #5:

score: 0
Accepted
time: 34ms
memory: 7080kb

input:

10

output:

-1

result:

ok single line: '-1'

Test #6:

score: 0
Accepted
time: 29ms
memory: 7076kb

input:

100

output:

-1

result:

ok single line: '-1'

Test #7:

score: 0
Accepted
time: 23ms
memory: 6976kb

input:

10000

output:

10

result:

ok single line: '10'

Test #8:

score: 0
Accepted
time: 28ms
memory: 7076kb

input:

1000000000000000000

output:

100

result:

ok single line: '100'

Test #9:

score: 0
Accepted
time: 30ms
memory: 7000kb

input:

10372926089038969

output:

218089

result:

ok single line: '218089'

Test #10:

score: 0
Accepted
time: 23ms
memory: 6932kb

input:

10642944803293201

output:

10157

result:

ok single line: '10157'

Test #11:

score: 0
Accepted
time: 31ms
memory: 7080kb

input:

10646534823110209

output:

103182047

result:

ok single line: '103182047'

Test #12:

score: 0
Accepted
time: 24ms
memory: 7024kb

input:

1073741824

output:

32

result:

ok single line: '32'

Test #13:

score: 0
Accepted
time: 23ms
memory: 7088kb

input:

121

output:

11

result:

ok single line: '11'

Test #14:

score: 0
Accepted
time: 23ms
memory: 7024kb

input:

1296

output:

6

result:

ok single line: '6'

Test #15:

score: 0
Accepted
time: 26ms
memory: 6932kb

input:

16

output:

-1

result:

ok single line: '-1'

Test #16:

score: 0
Accepted
time: 28ms
memory: 7092kb

input:

16277421889

output:

127583

result:

ok single line: '127583'

Test #17:

score: 0
Accepted
time: 28ms
memory: 7084kb

input:

169

output:

13

result:

ok single line: '13'

Test #18:

score: 0
Accepted
time: 30ms
memory: 7080kb

input:

1985984

output:

-1

result:

ok single line: '-1'

Test #19:

score: 0
Accepted
time: 33ms
memory: 7004kb

input:

2

output:

-1

result:

ok single line: '-1'

Test #20:

score: 0
Accepted
time: 29ms
memory: 7012kb

input:

205891132094649

output:

243

result:

ok single line: '243'

Test #21:

score: 0
Accepted
time: 24ms
memory: 7072kb

input:

25

output:

5

result:

ok single line: '5'

Test #22:

score: 0
Accepted
time: 23ms
memory: 6960kb

input:

2626114239841

output:

1273

result:

ok single line: '1273'

Test #23:

score: 0
Accepted
time: 24ms
memory: 6952kb

input:

26269395104446321

output:

12731

result:

ok single line: '12731'

Test #24:

score: 0
Accepted
time: 31ms
memory: 7032kb

input:

3

output:

-1

result:

ok single line: '-1'

Test #25:

score: 0
Accepted
time: 20ms
memory: 6996kb

input:

3596345248055296

output:

88

result:

ok single line: '88'

Test #26:

score: 0
Accepted
time: 31ms
memory: 6960kb

input:

36

output:

-1

result:

ok single line: '-1'

Test #27:

score: 0
Accepted
time: 19ms
memory: 6960kb

input:

4

output:

2

result:

ok single line: '2'

Test #28:

score: 0
Accepted
time: 27ms
memory: 7072kb

input:

4096

output:

8

result:

ok single line: '8'

Test #29:

score: 0
Accepted
time: 28ms
memory: 6932kb

input:

49

output:

7

result:

ok single line: '7'

Test #30:

score: 0
Accepted
time: 27ms
memory: 7076kb

input:

5

output:

-1

result:

ok single line: '-1'

Test #31:

score: 0
Accepted
time: 36ms
memory: 7076kb

input:

576460752303423488

output:

-1

result:

ok single line: '-1'

Test #32:

score: 0
Accepted
time: 30ms
memory: 7092kb

input:

581431415926321

output:

24112889

result:

ok single line: '24112889'

Test #33:

score: 0
Accepted
time: 31ms
memory: 6980kb

input:

6

output:

-1

result:

ok single line: '-1'

Test #34:

score: 0
Accepted
time: 23ms
memory: 7012kb

input:

64

output:

4

result:

ok single line: '4'

Test #35:

score: 0
Accepted
time: 28ms
memory: 7024kb

input:

656100000000

output:

30

result:

ok single line: '30'

Test #36:

score: 0
Accepted
time: 32ms
memory: 6900kb

input:

7

output:

-1

result:

ok single line: '-1'

Test #37:

score: 0
Accepted
time: 28ms
memory: 6948kb

input:

729

output:

9

result:

ok single line: '9'

Test #38:

score: 0
Accepted
time: 25ms
memory: 6952kb

input:

8

output:

-1

result:

ok single line: '-1'

Test #39:

score: 0
Accepted
time: 32ms
memory: 7084kb

input:

81

output:

-1

result:

ok single line: '-1'

Test #40:

score: 0
Accepted
time: 27ms
memory: 6960kb

input:

8527674378686464

output:

452

result:

ok single line: '452'

Test #41:

score: 0
Accepted
time: 23ms
memory: 6932kb

input:

9

output:

3

result:

ok single line: '3'

Test #42:

score: 0
Accepted
time: 33ms
memory: 7076kb

input:

982134461213542729

output:

994009

result:

ok single line: '994009'

Test #43:

score: 0
Accepted
time: 23ms
memory: 7032kb

input:

9992002399680016

output:

9998

result:

ok single line: '9998'

Test #44:

score: 0
Accepted
time: 34ms
memory: 7084kb

input:

999269311525198921

output:

-1

result:

ok single line: '-1'

Test #45:

score: 0
Accepted
time: 34ms
memory: 6996kb

input:

999949000866995087

output:

-1

result:

ok single line: '-1'

Test #46:

score: 0
Accepted
time: 33ms
memory: 6952kb

input:

999995482005103081

output:

-1

result:

ok single line: '-1'

Test #47:

score: 0
Accepted
time: 30ms
memory: 6932kb

input:

999999969999997921

output:

-1

result:

ok single line: '-1'

Test #48:

score: 0
Accepted
time: 33ms
memory: 7084kb

input:

999999999999999989

output:

-1

result:

ok single line: '-1'

Test #49:

score: 0
Accepted
time: 33ms
memory: 7056kb

input:

999999999999999999

output:

-1

result:

ok single line: '-1'
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