QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #110861 | #6566. Power of Divisors | He_Ren# | AC ✓ | 36ms | 7092kb | C++17 | 715b | 2023-06-04 13:26:40 | 2023-06-04 13:26:44 |
Judging History
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;
}
Details
Tip: Click on the bar to expand more detailed information
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'