For this Question: You are given a string <i>s</i> consisting of lowercase English letters. Find the number of different palindromes you can make by changing <b>exactly</b> one charecter from the string to some other lowercase English letter.The first and single line contains string <i>s</i> (1 &le; |<i>s</i>| &le; 10).Print the number of different palindromes you can make by changing <b>exactly</b> one charecter from the string to some other lowercase English letter. Sample Input 1
abbb

Sample Output 1
2

Explanation:
The possible palindromes are:
    1. abba
    2. bbbb

========================================================================

Sample Input 2
abba

Sample Output 2
0

, I have written this Solution Code: #include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
 
#define endl '\n'
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define fi first
#define se second
#define int long long
typedef long long ll;
typedef long double ld;
#define pii pair<int,int>
#define sz(x) ((ll)x.size())
#define fr(a,b,c) for(int a=b; a<=c; a++)
#define frev(a,b,c) for(int a=c; a>=b; a--)
#define rep(a,b,c) for(int a=b; a<c; a++)
#define trav(a,x) for(auto &a:x)
#define all(con) con.begin(),con.end()
#define done(x) {cout << x << endl;return;}
#define mini(x,y) x = min(x,y)
#define maxi(x,y) x = max(x,y)
const ll infl = 0x3f3f3f3f3f3f3f3fLL;
const int infi = 0x3f3f3f3f;
mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count());
//const int mod = 998244353;
const int mod = 1e9 + 7;
typedef vector<int> vi;
typedef vector<string> vs;
typedef vector<vector<int>> vvi;
typedef vector<pair<int, int>> vpii;
typedef map<int, int> mii;
typedef set<int> si;
typedef set<pair<int,int>> spii;
typedef queue<int> qi;
uniform_int_distribution<int> rng(0, 1e9);
 
// DEBUG FUNCTIONS START
void __print(int x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void deb() {cerr << "\n";}
template <typename T, typename... V> void deb(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; deb(v...);}
// DEBUG FUNCTIONS END
 
 
const int N = 2e5 + 5;
 
 
void solve(){
    
    
    string s;
    cin >> s;
 
    int n = sz(s);
    int x = 0;
 
    rep(i, 0, n / 2){
        x += s[i] != s[n - 1 - i];
    }
 
 
    if(x == 1){
        cout << 2 << endl;
    }
    else if(x > 1){
        cout << 0 << endl;
    }
    else{
        if(n & 1){
            cout << 25 << endl;
        }
        else{
            cout << 0 << endl;
        }
    }
 
}
 
 
 
 
signed main(){
    
    ios_base::sync_with_stdio(0), cin.tie(0);
    cout << fixed << setprecision(15);
    int t = 1;
    //cin >> t;
 
    while (t--)
        solve();
    return 0;
}
 
int powm(int a, int b){
    int res = 1;
    while (b) {
        if (b & 1)
            res = res * a % mod;
        a = a * a % mod;
        b >>= 1;
    }
    return res;
}
 
, In this Programming Language: C++, Now tell me if this Code is compilable or not?