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#include 
   
    #include 
    
     int gcd(int m, int n){    int rem;    while(n > 0)    {           rem = m % n;        m = n;        n = rem;    }       return m;}int main(){    int m, n;    printf("Please input two numbers: \n");    scanf("%d %d", &m, &n);    if(m > n)        printf("the max gcd of the two number is: %d\n", gcd(m,n));    else        printf("the max gcd of the two number is: %d\n", gcd(n,m));    return 0;}
    
   

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