三好学生 Time Limit: 5000 MS Memory Limit: 65536 K Total Submit: 242(80 users) Total Accepted: 94(70 users) Special Judge: No Description 一个班级有N个学生，M门课，

#include<stdio.h>int main(){int n,i,m,l,k,p,j,t,a[1000];
	scanf("%d",&t);for(i=0;i<t;i++){
		scanf("%d%d",&n,&m);
		p=0;for(k=0;k<n;k++){
			l=0;for(j=0;j<m;j++)
				scanf("%d",&a[j]);for(j=0;j<m;j++)if(a[j]>80)
					  l++;if(l>3)
					p++;}
		printf("%d\n",p);}return0;}