L1-060 心理阴影面积 (5 分)

传送门

Code

#include<iostream>
#include<cstring>
#include<algorithm>
#include<cstdio>
using namespace std;
int main()
{
    int x,y;
    scanf("%d %d",&x,&y);
    int a,b;
    a=100,b=100;
    int s;
    s=(int)((a*b)/2-(x*y)/2-(100-x)*y-(100-x)*(100-y)/2);
    cout<<s<<endl;
    return 0;
}