UVa-10970 Big Chocolate

找规律水题

#include<iostream>using namespace std;int main(){int m,n;while(cin>>m>>n){if(m>1&&n>1) cout<<m-1+m*(n-1)<<endl;if(m==1&&n>1) cout<<n-1<<endl;if(n==1&&m>1) cout<<m-1<<endl;if(n==1&&m==1) cout<<0<<endl;}return 0;}