UVa1641 - ASCII Area

#include<cstdio>
int m,n;
int main()
{
    while(scanf("%d%d",&m,&n)!=EOF){
        int sum=0;
        getchar();
        for(int i=0; i<m; i++){
            bool q = false;
            for(int j=0;j<n;j++){
                char c=getchar();
                if(c=='/'||c=='\\') ++sum,q=!q;
                if(c=='.'&&q) sum+=2;
            }
            getchar();
        }
        printf("%d\n",sum/2);
    }
    return 0;
}