QOJ.ac
QOJ
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #490293 | #6566. Power of Divisors | SmallAoPigBigPiPig# | AC ✓ | 3ms | 4196kb | C++14 | 908b | 2024-07-25 14:12:56 | 2024-07-25 14:12:58 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int main(){
long long x;
cin>>x;
long long Anss=-1;
for(int i=100;i>=3;i--){
long long Ans=-1;
long long An=pow(x,1.0/i);
for(long long j=max(2ll,An-10);j<=An+10;j++){
int tot=0; long long w=x;
bool flg=true;
for(;w>1;w/=j,++tot)
if(w%j) flg=false;
if(tot<i) break;
if(tot==i&&flg) Ans=j;
}
if(Ans!=-1){
long long w=Ans,v=1;
for(int j=2;j<=w;j++)
if(w%j==0){
long long k=0;
for(;w>1;++k,w/=j)
if(w%j) break;
v=v*(k+1);
if(v>i) break;
}
if(v==i){
Anss=Ans;
break;
}
}
}
if(Anss==-1){
long long Ans=sqrt(x);
for(;Ans*Ans<x;++Ans);
for(;Ans*Ans>x;--Ans);
if(1ll*Ans*Ans==x){
bool flg=false;
for(int i=2;1ll*i*i<=Ans;i++)
if(Ans%i==0) flg=true;
if(!flg) Anss=Ans;
}
}
printf("%lld\n",Anss);
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 4132kb
input:
15625
output:
25
result:
ok single line: '25'
Test #2:
score: 0
Accepted
time: 0ms
memory: 4036kb
input:
64000000
output:
20
result:
ok single line: '20'
Test #3:
score: 0
Accepted
time: 0ms
memory: 4048kb
input:
65536
output:
-1
result:
ok single line: '-1'
Test #4:
score: 0
Accepted
time: 0ms
memory: 4036kb
input:
1
output:
1
result:
ok single line: '1'
Test #5:
score: 0
Accepted
time: 0ms
memory: 4100kb
input:
10
output:
-1
result:
ok single line: '-1'
Test #6:
score: 0
Accepted
time: 0ms
memory: 4096kb
input:
100
output:
-1
result:
ok single line: '-1'
Test #7:
score: 0
Accepted
time: 0ms
memory: 4068kb
input:
10000
output:
10
result:
ok single line: '10'
Test #8:
score: 0
Accepted
time: 0ms
memory: 4028kb
input:
1000000000000000000
output:
100
result:
ok single line: '100'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3936kb
input:
10372926089038969
output:
218089
result:
ok single line: '218089'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3916kb
input:
10642944803293201
output:
10157
result:
ok single line: '10157'
Test #11:
score: 0
Accepted
time: 0ms
memory: 4000kb
input:
10646534823110209
output:
103182047
result:
ok single line: '103182047'
Test #12:
score: 0
Accepted
time: 0ms
memory: 4004kb
input:
1073741824
output:
32
result:
ok single line: '32'
Test #13:
score: 0
Accepted
time: 0ms
memory: 4040kb
input:
121
output:
11
result:
ok single line: '11'
Test #14:
score: 0
Accepted
time: 0ms
memory: 3944kb
input:
1296
output:
6
result:
ok single line: '6'
Test #15:
score: 0
Accepted
time: 0ms
memory: 3996kb
input:
16
output:
-1
result:
ok single line: '-1'
Test #16:
score: 0
Accepted
time: 0ms
memory: 4044kb
input:
16277421889
output:
127583
result:
ok single line: '127583'
Test #17:
score: 0
Accepted
time: 0ms
memory: 4064kb
input:
169
output:
13
result:
ok single line: '13'
Test #18:
score: 0
Accepted
time: 0ms
memory: 4096kb
input:
1985984
output:
-1
result:
ok single line: '-1'
Test #19:
score: 0
Accepted
time: 0ms
memory: 3900kb
input:
2
output:
-1
result:
ok single line: '-1'
Test #20:
score: 0
Accepted
time: 0ms
memory: 4096kb
input:
205891132094649
output:
243
result:
ok single line: '243'
Test #21:
score: 0
Accepted
time: 0ms
memory: 4100kb
input:
25
output:
5
result:
ok single line: '5'
Test #22:
score: 0
Accepted
time: 0ms
memory: 4028kb
input:
2626114239841
output:
1273
result:
ok single line: '1273'
Test #23:
score: 0
Accepted
time: 0ms
memory: 4192kb
input:
26269395104446321
output:
12731
result:
ok single line: '12731'
Test #24:
score: 0
Accepted
time: 0ms
memory: 4016kb
input:
3
output:
-1
result:
ok single line: '-1'
Test #25:
score: 0
Accepted
time: 0ms
memory: 4012kb
input:
3596345248055296
output:
88
result:
ok single line: '88'
Test #26:
score: 0
Accepted
time: 0ms
memory: 3940kb
input:
36
output:
-1
result:
ok single line: '-1'
Test #27:
score: 0
Accepted
time: 0ms
memory: 4008kb
input:
4
output:
2
result:
ok single line: '2'
Test #28:
score: 0
Accepted
time: 0ms
memory: 4064kb
input:
4096
output:
8
result:
ok single line: '8'
Test #29:
score: 0
Accepted
time: 0ms
memory: 4128kb
input:
49
output:
7
result:
ok single line: '7'
Test #30:
score: 0
Accepted
time: 0ms
memory: 4080kb
input:
5
output:
-1
result:
ok single line: '-1'
Test #31:
score: 0
Accepted
time: 0ms
memory: 4028kb
input:
576460752303423488
output:
-1
result:
ok single line: '-1'
Test #32:
score: 0
Accepted
time: 0ms
memory: 4092kb
input:
581431415926321
output:
24112889
result:
ok single line: '24112889'
Test #33:
score: 0
Accepted
time: 0ms
memory: 4128kb
input:
6
output:
-1
result:
ok single line: '-1'
Test #34:
score: 0
Accepted
time: 0ms
memory: 4040kb
input:
64
output:
4
result:
ok single line: '4'
Test #35:
score: 0
Accepted
time: 0ms
memory: 4092kb
input:
656100000000
output:
30
result:
ok single line: '30'
Test #36:
score: 0
Accepted
time: 0ms
memory: 4016kb
input:
7
output:
-1
result:
ok single line: '-1'
Test #37:
score: 0
Accepted
time: 0ms
memory: 4100kb
input:
729
output:
9
result:
ok single line: '9'
Test #38:
score: 0
Accepted
time: 0ms
memory: 4100kb
input:
8
output:
-1
result:
ok single line: '-1'
Test #39:
score: 0
Accepted
time: 0ms
memory: 3968kb
input:
81
output:
-1
result:
ok single line: '-1'
Test #40:
score: 0
Accepted
time: 0ms
memory: 4012kb
input:
8527674378686464
output:
452
result:
ok single line: '452'
Test #41:
score: 0
Accepted
time: 0ms
memory: 4008kb
input:
9
output:
3
result:
ok single line: '3'
Test #42:
score: 0
Accepted
time: 0ms
memory: 4100kb
input:
982134461213542729
output:
994009
result:
ok single line: '994009'
Test #43:
score: 0
Accepted
time: 0ms
memory: 4016kb
input:
9992002399680016
output:
9998
result:
ok single line: '9998'
Test #44:
score: 0
Accepted
time: 0ms
memory: 4000kb
input:
999269311525198921
output:
-1
result:
ok single line: '-1'
Test #45:
score: 0
Accepted
time: 3ms
memory: 3940kb
input:
999949000866995087
output:
-1
result:
ok single line: '-1'
Test #46:
score: 0
Accepted
time: 1ms
memory: 4124kb
input:
999995482005103081
output:
-1
result:
ok single line: '-1'
Test #47:
score: 0
Accepted
time: 0ms
memory: 4024kb
input:
999999969999997921
output:
-1
result:
ok single line: '-1'
Test #48:
score: 0
Accepted
time: 0ms
memory: 4196kb
input:
999999999999999989
output:
-1
result:
ok single line: '-1'
Test #49:
score: 0
Accepted
time: 0ms
memory: 4012kb
input:
999999999999999999
output:
-1
result:
ok single line: '-1'