1 #include<bits/stdc++.h>
2 using namespace std;
3 int main(){
4 ios::sync_with_stdio(false);
5 string s1="what about to ask ",s2="Mike telephone number";
6 //1
7 s1.replace(11,16,"asking");
8 cout<<s1<<endl;
9
10 //2
11 s2=s2.insert(5,"for ");
12 cout<<s2<<endl;
13
14 //3
15 string s=s1+s2;
16 cout<<s<<endl;
17
18 //4
19 if(s2.find("Mike")!=s2.npos){
20 cout<<true<<endl;
21 }
22 else{
23 cout<<false<<endl;
24 }
25
26 if(s.find("Mike")!=s.npos){
27 cout<<true<<endl;
28 }
29 else{
30 cout<<false<<endl;
31 }
32
33 //5
34 if(s2.find("z")!=s2.npos){
35 cout<<true<<endl;
36 }
37 else{
38 cout<<false<<endl;
39 }
40
41 return 0;
42 }