delete pics to save space

2.1588.cpp

@@ -0,0 +1,41 @@
+#include<cstdio>
+#include<cstring>
+#include<algorithm>
+using namespace std;
+char *a=new char[105],*b=new char[105];
+int n1,n2,x,y;
+bool ok(int pos)
+{
+	for(int i=pos;i<n1&&i<n2+pos;i++)
+		if(a[i]-'0'+b[i-pos]-'0'>3) return false;
+	return true;
+}
+int main()
+{
+#define NDEBUG
+#ifdef local
+	freopen("pro.in","r",stdin);
+	#undef NDEBUG
+#endif
+	while(scanf("%s%s",a,b)==2)
+	{
+		n1=strlen(a);
+		n2=strlen(b);
+		for(int i=0;i<=n1;i++)
+			if(ok(i))
+			{
+				x=max(n1,n2+i);
+				break;
+			}
+		swap(a,b);
+		swap(n1,n2);
+		for(int i=0;i<=n1;i++)
+			if(ok(i))
+			{
+				y=max(n1,n2+i);
+				break;
+			}
+		printf("%d\n",min(x,y));
+	}
+	return 0;
+}