> 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;
> 
> }