枚举排列
Background
Special for beginners, ^_^
Description
输入n
想办法按照字典序从小到大枚举1~n的所有排列
输出
Format
Input
n
Output
n!行
每行一个1~n的排列
Sample 1
Input
2
Output
12
21
Limitation
1s, 1024KiB for each test case.
n<=7
Hint
Free Pascal Code
var a,b:longint;
begin
readln(a,b);
writeln(a+b);
end.
C Code
#include <stdio.h>
int main(void)
{
int a, b;
scanf("%d%d", &a, &b);
printf("%d\n", a + b);
return 0;
}
C++ Code
#include <iostream>
using namespace std;
int main()
{
int a, b;
cin >> a >> b;
cout << a + b << endl;
return 0;
}
Python Code
a, b = [int(i) for i in raw_input().split()]
print(a + b)
Java Code
import java.io.*;
import java.util.Scanner;
public class Main {
/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
int b = sc.nextInt();
System.out.println(a + b);
}
}
Source
Vijos Original
信息
- 难度
- 6
- 分类
- (无)
- 标签
- (无)
- 递交数
- 31
- 已通过
- 9
- 通过率
- 29%
- 上传者
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