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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
#178491#6566. Power of Divisorsneko_nyaaAC ✓70ms3668kbC++20830b2023-09-14 01:16:192023-09-14 01:16:20

Judging History

你现在查看的是最新测评结果

  • [2023-09-14 01:16:20]
  • 评测
  • 测评结果：AC
  • 用时：70ms
  • 内存：3668kb
查看
  • [2023-09-14 01:16:19]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

#define int long long

int cntdiv(int n) {
	int ans = 0;
	for (int i = 1; i*i <= n; i++) {
		if (n % i == 0) {
			ans++;
			if (i*i != n) ans++;
		}
	}
	return ans;
}

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

	int x; cin >> x;
	if (x == 1) {
		cout << "1\n";
		return 0;
	}

	int ans = x;

	int g = sqrtl(x);
	if (g*g == x && cntdiv(g) == 2) {
		ans = g;
	}
	int g2 = cbrtl(x);
	if (g2*g2*g2 == x && cntdiv(g2) == 3) {
		ans = g2;
	}

	for (int i = 2; i <= 100000; i++) {
		int k = cntdiv(i);
		int s = 1;
		for (int j = 1; j <= k; j++) {
			s *= i;
			if (s < 0 || s > x) break;
		}
		if (s == x) {
			ans = min(ans, i);
		}
	}
	if (ans == x) {
		cout << "-1\n";
	} else {
		cout << ans << endl;
	}

	return 0;
}
源文件, 语言: C++20

详细

Test #1:

score: 100
Accepted
time: 65ms
memory: 3496kb

input:

15625

output:

25

result:

ok single line: '25'

Test #2:

score: 0
Accepted
time: 65ms
memory: 3560kb

input:

64000000

output:

20

result:

ok single line: '20'

Test #3:

score: 0
Accepted
time: 65ms
memory: 3496kb

input:

65536

output:

-1

result:

ok single line: '-1'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3388kb

input:

1

output:

1

result:

ok single line: '1'

Test #5:

score: 0
Accepted
time: 70ms
memory: 3512kb

input:

10

output:

-1

result:

ok single line: '-1'

Test #6:

score: 0
Accepted
time: 67ms
memory: 3504kb

input:

100

output:

-1

result:

ok single line: '-1'

Test #7:

score: 0
Accepted
time: 69ms
memory: 3564kb

input:

10000

output:

10

result:

ok single line: '10'

Test #8:

score: 0
Accepted
time: 65ms
memory: 3436kb

input:

1000000000000000000

output:

100

result:

ok single line: '100'

Test #9:

score: 0
Accepted
time: 61ms
memory: 3552kb

input:

10372926089038969

output:

218089

result:

ok single line: '218089'

Test #10:

score: 0
Accepted
time: 70ms
memory: 3500kb

input:

10642944803293201

output:

10157

result:

ok single line: '10157'

Test #11:

score: 0
Accepted
time: 61ms
memory: 3632kb

input:

10646534823110209

output:

103182047

result:

ok single line: '103182047'

Test #12:

score: 0
Accepted
time: 65ms
memory: 3584kb

input:

1073741824

output:

32

result:

ok single line: '32'

Test #13:

score: 0
Accepted
time: 65ms
memory: 3496kb

input:

121

output:

11

result:

ok single line: '11'

Test #14:

score: 0
Accepted
time: 65ms
memory: 3528kb

input:

1296

output:

6

result:

ok single line: '6'

Test #15:

score: 0
Accepted
time: 65ms
memory: 3568kb

input:

16

output:

-1

result:

ok single line: '-1'

Test #16:

score: 0
Accepted
time: 65ms
memory: 3668kb

input:

16277421889

output:

127583

result:

ok single line: '127583'

Test #17:

score: 0
Accepted
time: 65ms
memory: 3440kb

input:

169

output:

13

result:

ok single line: '13'

Test #18:

score: 0
Accepted
time: 65ms
memory: 3636kb

input:

1985984

output:

-1

result:

ok single line: '-1'

Test #19:

score: 0
Accepted
time: 65ms
memory: 3496kb

input:

2

output:

-1

result:

ok single line: '-1'

Test #20:

score: 0
Accepted
time: 65ms
memory: 3636kb

input:

205891132094649

output:

243

result:

ok single line: '243'

Test #21:

score: 0
Accepted
time: 65ms
memory: 3436kb

input:

25

output:

5

result:

ok single line: '5'

Test #22:

score: 0
Accepted
time: 65ms
memory: 3432kb

input:

2626114239841

output:

1273

result:

ok single line: '1273'

Test #23:

score: 0
Accepted
time: 61ms
memory: 3564kb

input:

26269395104446321

output:

12731

result:

ok single line: '12731'

Test #24:

score: 0
Accepted
time: 65ms
memory: 3588kb

input:

3

output:

-1

result:

ok single line: '-1'

Test #25:

score: 0
Accepted
time: 65ms
memory: 3548kb

input:

3596345248055296

output:

88

result:

ok single line: '88'

Test #26:

score: 0
Accepted
time: 61ms
memory: 3544kb

input:

36

output:

-1

result:

ok single line: '-1'

Test #27:

score: 0
Accepted
time: 65ms
memory: 3508kb

input:

4

output:

2

result:

ok single line: '2'

Test #28:

score: 0
Accepted
time: 65ms
memory: 3436kb

input:

4096

output:

8

result:

ok single line: '8'

Test #29:

score: 0
Accepted
time: 61ms
memory: 3592kb

input:

49

output:

7

result:

ok single line: '7'

Test #30:

score: 0
Accepted
time: 65ms
memory: 3596kb

input:

5

output:

-1

result:

ok single line: '-1'

Test #31:

score: 0
Accepted
time: 65ms
memory: 3444kb

input:

576460752303423488

output:

-1

result:

ok single line: '-1'

Test #32:

score: 0
Accepted
time: 65ms
memory: 3588kb

input:

581431415926321

output:

24112889

result:

ok single line: '24112889'

Test #33:

score: 0
Accepted
time: 65ms
memory: 3668kb

input:

6

output:

-1

result:

ok single line: '-1'

Test #34:

score: 0
Accepted
time: 65ms
memory: 3440kb

input:

64

output:

4

result:

ok single line: '4'

Test #35:

score: 0
Accepted
time: 65ms
memory: 3584kb

input:

656100000000

output:

30

result:

ok single line: '30'

Test #36:

score: 0
Accepted
time: 65ms
memory: 3588kb

input:

7

output:

-1

result:

ok single line: '-1'

Test #37:

score: 0
Accepted
time: 65ms
memory: 3512kb

input:

729

output:

9

result:

ok single line: '9'

Test #38:

score: 0
Accepted
time: 65ms
memory: 3456kb

input:

8

output:

-1

result:

ok single line: '-1'

Test #39:

score: 0
Accepted
time: 65ms
memory: 3448kb

input:

81

output:

-1

result:

ok single line: '-1'

Test #40:

score: 0
Accepted
time: 65ms
memory: 3560kb

input:

8527674378686464

output:

452

result:

ok single line: '452'

Test #41:

score: 0
Accepted
time: 65ms
memory: 3556kb

input:

9

output:

3

result:

ok single line: '3'

Test #42:

score: 0
Accepted
time: 65ms
memory: 3552kb

input:

982134461213542729

output:

994009

result:

ok single line: '994009'

Test #43:

score: 0
Accepted
time: 65ms
memory: 3632kb

input:

9992002399680016

output:

9998

result:

ok single line: '9998'

Test #44:

score: 0
Accepted
time: 65ms
memory: 3444kb

input:

999269311525198921

output:

-1

result:

ok single line: '-1'

Test #45:

score: 0
Accepted
time: 65ms
memory: 3496kb

input:

999949000866995087

output:

-1

result:

ok single line: '-1'

Test #46:

score: 0
Accepted
time: 65ms
memory: 3636kb

input:

999995482005103081

output:

-1

result:

ok single line: '-1'

Test #47:

score: 0
Accepted
time: 65ms
memory: 3552kb

input:

999999969999997921

output:

-1

result:

ok single line: '-1'

Test #48:

score: 0
Accepted
time: 66ms
memory: 3512kb

input:

999999999999999989

output:

-1

result:

ok single line: '-1'

Test #49:

score: 0
Accepted
time: 65ms
memory: 3564kb

input:

999999999999999999

output:

-1

result:

ok single line: '-1'
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