1 개요[ | ]
- power
- pow
- **
- Returns base raised to the power of exp.
- test set
- power(2, -3) → 0.125
- power(3, 4) → 81
2 C[ | ]
![](https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/24px-Crystal_Clear_app_xmag.svg.png 1.5x, https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/32px-Crystal_Clear_app_xmag.svg.png 2x)
C
CPU
0.1s
MEM
19M
0.2s
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#include <stdio.h>
#include <math.h>
int main() {
printf("%f\n", pow(2, -3)); // 0.125000
printf("%f\n", pow(2, 10)); // 1024.000000
}
0.125000 1024.000000
3 C++[ | ]
![](https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/24px-Crystal_Clear_app_xmag.svg.png 1.5x, https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/32px-Crystal_Clear_app_xmag.svg.png 2x)
C++
CPU
0.4s
MEM
52M
0.4s
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#include <iostream>
#include <cmath>
using namespace std;
int main() {
cout << pow(2, -3) << endl; // 0.125
cout << pow(2, 10) << endl; // 1024
}
0.125 1024
4 Excel[ | ]
PHP
Copy
=POWER(2,-3)
// 0.125
=POWER(3,4)
// 81
5 Java[ | ]
![](https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/24px-Crystal_Clear_app_xmag.svg.png 1.5x, https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/32px-Crystal_Clear_app_xmag.svg.png 2x)
Java
Copy
public class MyClass {
public static void main(String args[]) {
System.out.println( Math.pow(2, -3) ); // 0.125
System.out.println( Math.pow(3, 0) ); // 1.0
System.out.println( Math.pow(3, 1) ); // 3.0
System.out.println( Math.pow(3, 2) ); // 9.0
System.out.println( Math.pow(3, 4) ); // 81.0
}
}
6 JavaScript[ | ]
![](https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/24px-Crystal_Clear_app_xmag.svg.png 1.5x, https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/32px-Crystal_Clear_app_xmag.svg.png 2x)
JavaScript
Copy
console.log( Math.pow(2, -3) ); // 0.125
console.log( Math.pow(2, 3) ); // 8
▶ | 0.125 |
▶ | 8 |
7 Perl[ | ]
Perl
Copy
print 2**-3;
# 0.125
print 3**4;
# 81
8 PHP[ | ]
![](https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/24px-Crystal_Clear_app_xmag.svg.png 1.5x, https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/32px-Crystal_Clear_app_xmag.svg.png 2x)
PHP
CPU
0.0s
MEM
22M
0.1s
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var_dump( pow(2, -3) ); # float(0.125)
var_dump( pow(3, 4) ); # int(81)
float(0.125) int(81)
9 Python[ | ]
![](https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/24px-Crystal_Clear_app_xmag.svg.png 1.5x, https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/32px-Crystal_Clear_app_xmag.svg.png 2x)
![](https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/24px-Crystal_Clear_app_xmag.svg.png 1.5x, https://z-images.s3.amazonaws.com/thumb/e/ec/Crystal_Clear_app_xmag.svg/32px-Crystal_Clear_app_xmag.svg.png 2x)
Python
CPU
0.0s
MEM
8M
0.0s
Copy
print(2**-3) # 0.125
print(3**4) # 81
0.125 81
Python
Copy
print(pow(2,-3)) # 0.125
print(pow(3,4)) # 81
Loading
10 SQLite[ | ]
SQLite
Copy
SELECT 3*3*3*3;
Loading
11 Ruby[ | ]
Ruby
Copy
puts 2**-3
# 1/8
puts 3**4
# 81
12 같이 보기[ | ]
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