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 |
|---|---|---|---|---|---|---|---|---|---|
| #178491 | #6566. Power of Divisors | neko_nyaa | AC ✓ | 70ms | 3668kb | C++20 | 830b | 2023-09-14 01:16:19 | 2023-09-14 01:16:20 |
Judging History
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;
}
詳細信息
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'