delete pics to save space

history_source/信息学奥赛一本通/1.5.3.12.cpp

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+#include<iostream>
+#include<string>
+using namespace std;
+void print(string a,string b)
+{
+	cout<<a<<" is substring of "<<b<<endl;
+}
+int main()
+{
+	string a,b;
+	cin>>a>>b;
+	if(a==b){
+		print(a,b);
+		return 0;
+	}
+	for(int i=0;i+a.size()<=b.size();i++)
+	{
+		if(b.substr(i,a.size())==a)
+		{
+			print(a,b);
+			return 0;
+		}
+	}
+	for(int i=0;i+b.size()<=a.size();i++)
+	{
+		if(a.substr(i,b.size())==b)
+		{
+			print(b,a);
+			return 0;
+		}
+	}
+	cout<<"No substring"<<endl;
+	return 0;
+}
+