Task : Find the pattern from the text. If the pattern is present print found else print not found. Example: Input: 2 hellofriends hello asdfghjkl ask Output: found not found Here is the Code : Program in C++: #include<iostream> #include<bits/stdc++.h> using namespace std; int main() { int t; cin>>t; while(t--) { string s1,s2; cin>>s1; cin>>s2; int n=s1.length(),m=s2.length(); // Implementation of logic if(n<m) { cout<<"not found"<<endl; } else { int c = 0; for(int i=0;i<=n-m;i++) { string t = s1.substr(i,m); if(t == s2) { cout<<"found"<<endl; c=1; break; } } if(c==0) cout<<"not found"<<endl; } } return 0; } Here is the Video: