问题:
break中断整个循环;continue中断本次循环;
在循环中如果想要一个数再循环一次,可以采用(i--)d的方式。
else if(b[i]>a[j])
{
b[i]=b[i]-a[j];
ans++;
j--;
}
3 1 2 3 0
4
代码:
菜:
import java.util.*; public class Main{ public static void main(String args[]){ Scanner cin=new Scanner(System.in); int n; int a[]=new int[100]; while(cin.hasNext()){ n=cin.nextInt(); if(n==0) break; else{ for(int i=0;i<n;i++) a[i]=cin.nextInt(); int m,sum=0; for(int i=0;i<n;i++){ if(a[i]>=100) { sum+=a[i]/100; if(a[i]%100==0) continue; else {a[i]=a[i]%100; i--; } } else if(a[i]>=50) { sum+=a[i]/50; if(a[i]%50==0) continue; else {a[i]=a[i]%50; i--; } } else if(a[i]>=10) { sum+=a[i]/10; if(a[i]%10==0) continue; else {a[i]=a[i]%10; i--; } } else if(a[i]>=5) { sum+=a[i]/5; if(a[i]%5==0) continue; else {a[i]=a[i]%5; i--; } } else if(a[i]>=2) { sum+=a[i]/2; if(a[i]%100==0) continue; else {a[i]=a[i]%2; i--; } } else sum+=a[i]/1; } System.out.println(sum); } } } }
import java.util.*; public class Main1 { public static void main(String args[]) { Scanner cin=new Scanner(System.in); int n; int ans; int[] a={100,50,10,5,2,1}; int[] b=new int[105]; while(cin.hasNext()) { ans=0; n=cin.nextInt(); if(n==0) break; for(int i=0;i<n;i++) b[i]=cin.nextInt(); for(int i=0;i<n;i++) { for(int j=0;j<6;j++) { if(b[i]==a[j]) { ans++; break; } else if(b[i]>a[j]) { b[i]=b[i]-a[j]; ans++; j--; } else continue; } } System.out.println(ans); } } }
原文地址:http://blog.csdn.net/amx50b/article/details/45828337