Program to Calculate GCD or HCF of Two Numbers in C++ (No STL)

// mail me @ mujtaba.aamir1@gmail.com for c++,python notes for free.....
#include<bits/stdc++.h>
#include<stdio.h>
using namespace std;
int __gcd(int a,int b)
{
if(b==0)
return a;
return __gcd(b,a%b);
}
int main()
{
int a=12;
int b=6;
cout<<__gcd(a,b);
}

Longest Increasing Sub Sequences with Dynamic Programming in Python | C++ | C

# Author Mohd Mujtaba @ Play with C Plus
def LIS(l):
    n=len(l);
    l1=[1]*n;
    for i in range(n):
        for j in range(0,i):
            if(l[i]>l[j]):
                l1[i]=max(l1[j]+1,l1[i]);
    print(max(l1));
for _ in range(int(input())):
    n=int(input());
    l=list(map(int,input().split()));
    LIS(l);