Uva 12602 - Nice Licence Plates

#include<bits/stdc++.h>
#define pf printf
#define sf scanf

using namespace std;

int ar[30+5];

void keep()
{
    for(int i=65, j=0; i<91; i++,j++)
    {
        ar[i] = j;
    }

    //for(int i=65;i<=90;i++)cout << ar[i] << " ";
}

int getnum(char x[])
{
    int len=3, sum=0;
    int p=2;

    for(int i=0; i<3; i++)
    {
        sum += ar[x[i]] * powl(26,p);
        p--;
    }
    //cout << sum;

    return sum;
}

int main()
{
    keep();

    int t;
    char ch[9+5], s[5],c;

    sf("%d",&t);

    while(t--)
    {
        getchar();
        int n;

        for(int i=0;i<3;i++)
        {
            sf("%c",&s[i]);
        }

        sf("%c",&c);
        sf("%d",&n);//cout << n;

        if(abs(getnum(s) - n) < 101)
        {
            cout << "nice" << endl;
        }

        else
        {
            cout << "not nice" << endl;
        }
    }

    return 0;
}