2757 - Input and Output of Integers

//thanks God For Every Thing!
//contest link:

//#include<bits/stdc++.h>
#include<iostream>
#include<string>
#include<algorithm>
#include<cstdio>
#define pi           acose(-1)
#define flush        cin.ignore(numeric_limits<streamsize>::max(),'\n');
#define wow          ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define NL           printf("\n")

using namespace std;

typedef long long int           ll;
typedef double                  dl;

// ---------------------- slove---------------------------//

int int_ln(int x);

int main()
{
    int a, b, c, i;
    cin>>a>>b>>c;
    cout<<"A = "<<a<<", B = "<<b<<", C = "<<c<<endl;

    int ln1, ln2, ln3;

    ln1 = int_ln(a);
    ln2 = int_ln(b);
    ln3 = int_ln(c);
//----------------space print-----------//
    cout<<"A = ";
    for( i=1; i<=10-ln1; i++)
    {
        cout<<" ";
    }
    cout<<a<<",";

    cout<<" B = ";
    for( i=1; i<=10-ln2; i++)
    {
        cout<<" ";
    }
    cout<<b<<",";

    cout<<" C = ";
    for( i=1; i<=10-ln3; i++)
    {
        cout<<" ";
    }
    cout<<c;
    NL;
//-----------------zero print---------------//
    cout<<"A = ";
    for( i=1; i<=10-ln1; i++)
    {
        cout<<"0";
    }
    cout<<a<<",";

    cout<<" B = ";
    for( i=1; i<=10-ln2; i++)
    {
        cout<<"0";
    }
    cout<<b<<",";

    cout<<" C = ";
    for( i=1; i<=10-ln3; i++)
    {
        cout<<"0";
    }
    cout<<c;
    NL;
//---------------last pace---------//
cout<<"A = "<<a;
    for( i=1; i<=10-ln1; i++)
    {
        cout<<" ";
    }
    cout<<",";

    cout<<" B = "<<b;
    for( i=1; i<=10-ln2; i++)
    {
        cout<<" ";
    }
    cout<<",";

    cout<<" C = "<<c;
    for( i=1; i<=10-ln3; i++)
    {
        cout<<" ";
    }

    NL;

    return 0;
}
int int_ln(int x)
{
    int cnt=0, num;
    while(x!=0)
    {
        cnt++;
        num=x%10;
        x/=10;
    }

    return cnt;
}