d649: 數字三角形

題目:http://zerojudge.tw/ShowProblem?problemid=d649
程式碼:

import java.util.Scanner;
public class d649 {

 public static void main(String[] args) {
  // TODO Auto-generated method stub
  Scanner sc = new Scanner(System.in);
  while(sc.hasNext()){
   int n = sc.nextInt();//高度多少
   int i,j,k;
   for(i=1;i<=n;i++){
    for(j=1;j<=n-i;j++){
     System.out.print("_");
    }
    for(k=1;k<=i;k++){
                    System.out.print("+");
                }
    System.out.println();
   }
   
  }

 }

}