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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
#240814	#6566. Power of Divisors	MovingUp^#	AC ✓	13ms	3708kb	C++14	1.3kb	2023-11-05 19:39:53	2023-11-05 19:39:54

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你现在查看的是最新测评结果

[2023-11-05 19:39:54]
评测

测评结果：AC
用时：13ms
内存：3708kb

查看

[2023-11-05 19:39:53]
提交

answer

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
const int lim = 4e4;

ll target;

bool check(int x, ll target)
{
    int i, nr = 0;
    ll pw = 1;

    for(i=1; i*i < x; ++i)
        if(x % i == 0)
            nr += 2;

    if(x == i*i)
        ++nr;

    for(int j=1; j<=nr; ++j)
    {
        if(pw > target / x) return 0;
        pw *= x;
    }

    return pw == target;
}

int main()
{
//    freopen("input", "r", stdin);

    cin.sync_with_stdio(false); cin.tie(0);

    cin >> target;

    if(target == 1)
    {
        cout << 1 << '\n';
        return 0;
    }

    int i;

    for(i=1; i<=lim; ++i)
        if(check(i, target))
        {
            cout << i << '\n';
            return 0;
        }

    ll c = cbrt(target);
    if(c * c * c == target)
    {
        int nr = 0;
        for(i=2; i<c; ++i)
            if(c%i == 0) ++nr;

        if(nr == 1) {
            cout << c << '\n';
            return 0;
        }
    }

    c = sqrt(target);
    if(c * c == target)
    {
        bool ok =1;
        for(i=2; i*i<=c; ++i)
            if(c % i == 0) ok= 0;

        if(ok)
        {
            cout << c << '\n';
            return 0;
        }
    }

    cout << -1 << '\n';

    return 0;
}

源文件, 语言: C++14

詳細信息

Test #1:

score: 100

Accepted

time: 1ms

memory: 3388kb

input:

output:

result:

ok single line: '25'

Test #2:

score: 0

Accepted

time: 0ms

memory: 3340kb

input:

64000000

output:

result:

ok single line: '20'

Test #3:

score: 0

Accepted

time: 10ms

memory: 3672kb

input:

output:

-1

result:

ok single line: '-1'

Test #4:

score: 0

Accepted

time: 0ms

memory: 3308kb

input:

output:

result:

ok single line: '1'

Test #5:

score: 0

Accepted

time: 10ms

memory: 3464kb

input:

output:

-1

result:

ok single line: '-1'

Test #6:

score: 0

Accepted

time: 10ms

memory: 3476kb

input:

output:

-1

result:

ok single line: '-1'

Test #7:

score: 0

Accepted

time: 0ms

memory: 3340kb

input:

output:

result:

ok single line: '10'

Test #8:

score: 0

Accepted

time: 0ms

memory: 3456kb

input:

1000000000000000000

output:

result:

ok single line: '100'

Test #9:

score: 0

Accepted

time: 11ms

memory: 3592kb

input:

10372926089038969

output:

result:

ok single line: '218089'

Test #10:

score: 0

Accepted

time: 2ms

memory: 3460kb

input:

10642944803293201

output:

result:

ok single line: '10157'

Test #11:

score: 0

Accepted

time: 10ms

memory: 3516kb

input:

10646534823110209

output:

103182047

result:

ok single line: '103182047'

Test #12:

score: 0

Accepted

time: 0ms

memory: 3412kb

input:

1073741824

output:

result:

ok single line: '32'

Test #13:

score: 0

Accepted

time: 0ms

memory: 3364kb

input:

output:

result:

ok single line: '11'

Test #14:

score: 0

Accepted

time: 1ms

memory: 3456kb

input:

output:

result:

ok single line: '6'

Test #15:

score: 0

Accepted

time: 10ms

memory: 3572kb

input:

output:

-1

result:

ok single line: '-1'

Test #16:

score: 0

Accepted

time: 10ms

memory: 3480kb

input:

16277421889

output:

result:

ok single line: '127583'

Test #17:

score: 0

Accepted

time: 0ms

memory: 3324kb

input:

output:

result:

ok single line: '13'

Test #18:

score: 0

Accepted

time: 10ms

memory: 3564kb

input:

output:

-1

result:

ok single line: '-1'

Test #19:

score: 0

Accepted

time: 10ms

memory: 3584kb

input:

output:

-1

result:

ok single line: '-1'

Test #20:

score: 0

Accepted

time: 0ms

memory: 3416kb

input:

205891132094649

output:

result:

ok single line: '243'

Test #21:

score: 0

Accepted

time: 0ms

memory: 3412kb

input:

output:

result:

ok single line: '5'

Test #22:

score: 0

Accepted

time: 1ms

memory: 3472kb

input:

2626114239841

output:

result:

ok single line: '1273'

Test #23:

score: 0

Accepted

time: 2ms

memory: 3316kb

input:

26269395104446321

output:

result:

ok single line: '12731'

Test #24:

score: 0

Accepted

time: 10ms

memory: 3708kb

input:

output:

-1

result:

ok single line: '-1'

Test #25:

score: 0

Accepted

time: 0ms

memory: 3468kb

input:

3596345248055296

output:

result:

ok single line: '88'

Test #26:

score: 0

Accepted

time: 10ms

memory: 3708kb

input:

output:

-1

result:

ok single line: '-1'

Test #27:

score: 0

Accepted

time: 1ms

memory: 3468kb

input:

output:

result:

ok single line: '2'

Test #28:

score: 0

Accepted

time: 0ms

memory: 3448kb

input:

output:

result:

ok single line: '8'

Test #29:

score: 0

Accepted

time: 1ms

memory: 3468kb

input:

output:

result:

ok single line: '7'

Test #30:

score: 0

Accepted

time: 10ms

memory: 3596kb

input:

output:

-1

result:

ok single line: '-1'

Test #31:

score: 0

Accepted

time: 10ms

memory: 3484kb

input:

576460752303423488

output:

-1

result:

ok single line: '-1'

Test #32:

score: 0

Accepted

time: 7ms

memory: 3668kb

input:

581431415926321

output:

24112889

result:

ok single line: '24112889'

Test #33:

score: 0

Accepted

time: 10ms

memory: 3580kb

input:

output:

-1

result:

ok single line: '-1'

Test #34:

score: 0

Accepted

time: 1ms

memory: 3452kb

input:

output:

result:

ok single line: '4'

Test #35:

score: 0

Accepted

time: 1ms

memory: 3536kb

input:

656100000000

output:

result:

ok single line: '30'

Test #36:

score: 0

Accepted

time: 10ms

memory: 3588kb

input:

output:

-1

result:

ok single line: '-1'

Test #37:

score: 0

Accepted

time: 0ms

memory: 3408kb

input:

output:

result:

ok single line: '9'

Test #38:

score: 0

Accepted

time: 10ms

memory: 3464kb

input:

output:

-1

result:

ok single line: '-1'

Test #39:

score: 0

Accepted

time: 7ms

memory: 3640kb

input:

output:

-1

result:

ok single line: '-1'

Test #40:

score: 0

Accepted

time: 0ms

memory: 3408kb

input:

8527674378686464

output:

result:

ok single line: '452'

Test #41:

score: 0

Accepted

time: 0ms

memory: 3408kb

input:

output:

result:

ok single line: '3'

Test #42:

score: 0

Accepted

time: 10ms

memory: 3536kb

input:

982134461213542729

output:

result:

ok single line: '994009'

Test #43:

score: 0

Accepted

time: 2ms

memory: 3404kb

input:

9992002399680016

output:

result:

ok single line: '9998'

Test #44:

score: 0

Accepted

time: 10ms

memory: 3532kb

input:

999269311525198921

output:

-1

result:

ok single line: '-1'

Test #45:

score: 0

Accepted

time: 13ms

memory: 3436kb

input:

999949000866995087

output:

-1

result:

ok single line: '-1'

Test #46:

score: 0

Accepted

time: 10ms

memory: 3528kb

input:

999995482005103081

output:

-1

result:

ok single line: '-1'

Test #47:

score: 0

Accepted

time: 7ms

memory: 3576kb

input:

999999969999997921

output:

-1

result:

ok single line: '-1'

Test #48:

score: 0

Accepted

time: 7ms

memory: 3536kb

input:

999999999999999989

output:

-1

result:

ok single line: '-1'

Test #49:

score: 0

Accepted

time: 10ms

memory: 3540kb

input:

999999999999999999

output:

-1

result:

ok single line: '-1'