Greater Integers

#include<bits/stdc++.h>
#define x fwfwFwf1
#define y fwfwFwf2
using namespace std;
long long a,b,c,d,n,m,i,f,g,i2,j2,f1,f2,j,k,l,o,p,t,y,mx,mx1,mx2,q,q1,q2,r,mn=1e18,mn1=1e18,mn2=1e18,MOD=1e9+7;
long long A[2000006];
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>t;
    while(t--)
    {
        cin>>n;
        q=0;
        for(i=1;i<=18;i++)
        {
            for(j=1;j<=9;j++)
            {
                f=0;
                g=1;
                for(k=1;k<=i;k++)
                {
                    f+=j*g;
                    g*=10;
                }
                if (f>n) {q=f;break;}
            }
            if (q!=0) break;
        }
        cout<<q<<"\n";
    }
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: WRONG ANSWER