delete pics to save space

history_source/ccf 入门篇/U5/5.4.3.cpp

@@ -0,0 +1,24 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+	char sr;
+	long long ans,an;
+	while(true)
+	{
+		ans=0;
+		an=0;
+		while(true)
+		{
+			sr=getchar();
+			if(sr=='\n') break;
+			if(sr=='+') {
+				ans+=an;
+				an=0;
+			}
+			else an=an*10+sr-'0';
+		}
+		ans+=an;
+	    cout<<ans<<endl;
+	}
+}