poj 1450 Gridland

#include <iostream>#include <math.h>using namespace std;int main(){int n,m,i;int Case,flag;double sum,t=(double)sqrt(2.0);scanf("%d",&Case);for(i=1;i<=Case;i++){scanf("%d%d",&n,&m);if(n*m%2) sum=n*m-1+t;else sum=n*m;printf("Scenario #%d:n%.2lfnn",i,sum);}return 0;}