T行数据跟着N个数据

#include <iostream>  
using namespace std;  
int main()  
{  
    int j,i,k,n,m,t;  
    int a[100002];  
    scanf("%d",&t);  
    for (j=1;j<=t;j++)  
    {  
        scanf("%d",&n);  
        for (i=0;i<n;i++)  
        {  
            scanf("%d",&a[i]);  
        }  ..............