delete pics to save space

2.1641.cpp

@@ -0,0 +1,34 @@
+#include<iostream>
+using namespace std;
+int h,w,s,flag;
+char ch;
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	while(cin>>h>>w)
+	{
+		s=0;
+		for(int i=0;i<h;i++)
+		{
+			flag=0;
+			for(int j=0;j<w;j++)
+			{
+				cin>>ch;
+				switch(ch)
+				{
+					case '/':case '\\':
+						flag=!flag;
+						s++;
+						break;
+					case '.':
+						s+=flag*2;
+						break;
+				}
+			}
+		}
+		printf("%d\n",s/2);
+	}
+	return 0;
+}