Submission #5275594

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Source Code Expand

#include "bits/stdc++.h"

using namespace std;

using ll = long long;
using ld = long double;
using P = pair<int, int>;
constexpr ld EPS = 1e-12;
constexpr int INF = numeric_limits<int>::max() / 2;
constexpr int MOD = 1e9 + 7;

template <typename T>
void printv(const vector<T> &v)
{
    int sz = v.size();
    for (int i = 0; i < sz; i++)
    {
        cout << v[i] << " \n"[i == sz - 1];
    }
}

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);

    string s;
    cin >> s;
    int n = s.size();
    for (int i = 0; i < n; i++)
    {
        if (s[i] == 'A')
            s[i] = 'O';
        else if (s[i] == 'O')
            s[i] = 'A';
    }
    cout << s << endl;
}

Submission Info

Judge Result