http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2113 判断两个数的大小,输出>或<或=
#include<stdio.h>
int main(){
int t;
long a,b;
scanf("%d",&t);
while(t--){
scanf("%ld%ld",&a,&b);
if(a>b)printf(">\n");
else if(a==b)printf("=\n");
else printf("<\n"); }
return 0;
}