我的程序老是
Presentation Error
这是怎么回事啊？谁能帮助我啊？不甚感激！
//Presentation Error????????????????????
#include<stdio.h>
#include<iostream>
using namespace std;

int main()
{
	int t;
	int i,j,k;
	scanf("%d",&t);
	for(i=0;i<t;i++)
	{
		k=0;
		int n;
		scanf("%d",&n);

		if(n > 0 && n<=26)
		{
			int c[1005];

			int max=0,min=0;
			int a,b;
			char ch;
			int sum=0;

			for(j=0;j<1005;j++)
				c[j] = 0;

			cin>>ch>>a>>b;		
			c[a] += 1;
			c[b] += -1;
			min=a;
			max=b;

			for(j=1;j<n;j++)
			{	

				cin>>ch;
				cin>>a>>b;			
				c[a] += 1;
				c[b] += -1;

				if(max < b)
					max = b;
				if(min > a)
					min=a;
			}	
			for(j=min;j<=max;j++)
			{
				sum += c[j];
				if(sum!=0)
				{
					ch=sum+'A'-1;
					printf("%c",ch);
				}
			}
			printf("\n");
		}

	}
	return 0;

}

• Re:n 是可以等于0的 ! (973) zerk 2006-07-25 17:53:58