delete pics to save space

history_source/信息学奥赛一本通/1.6.1.10.cpp

@@ -0,0 +1,23 @@
+#include<iostream>
+#include<string>
+using namespace std;
+int main()
+{
+	string s,a,b,x;
+	getline(cin,s);
+	cin>>a>>b;
+	for(int i=0;i<s.size();i++)
+	{
+		if(s[i]!=' ') x+=s[i];
+		else
+		{
+			if(x==a) cout<<b<<" ";
+			else cout<<x<<" ";
+			x="";
+		}
+	}
+	if(x==a) cout<<b<<" ";
+	else cout<<x<<" ";
+	return 0;
+}
+