#include <stdio.h>

int main() {
    int a;
    int sum = a+1;
    printf();
}

//O(3);

int main() {
    int a;
    int sum = a+1;
    printf();
    int n;//4
    for(int i=0;i<n;i++){//n
        int a;
        a=7;
        print();//3
    }
}

//O(4) + O(3*n)
//since 3 is treted as 1
//final = O(n);

int main(){
    for();
    for();
    for();
}

//O(n) + O(n) + O(n) = O(n)

int main(){
    for(){
        for();   
    }
}

//O(n*n) = O(n^2); (nsquare)

int main(){
    int n;
    int c = 0;
    while(n<0){
        n = n/2;
        c++;
    }
}

// 2/a = N -. converted to log(n)

//O(2) + O(log(n)) = O(log(n));

//if comparison O(n) & O(log(n));