HDU 2560 Buildings
#include
using namespace std;
int main()
{
int i,j,k,m,n,t,sum;
cin>>i;
while(i--){
sum=0;
cin>>j>>k;
for(m=0;m>t;
if(t)
sum++;
}
cout<
#include
using namespace std;
int main()
{
int i,j,k,m,n,t,sum;
cin>>i;
while(i--){
sum=0;
cin>>j>>k;
for(m=0;m>t;
if(t)
sum++;
}
cout<