Submission #61785621

Source Code Expand

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
signed main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    ll n; cin >> n;
    ll ans = 1;
    for (ll i = 1; i <= 30; i++) {
        ans *= i;
        if (ans == n) {
            cout << i;
            return 0;
        }
    }   
}
 
 
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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

signed main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    ll n; cin >> n;
    ll ans = 1;
    for (ll i = 1; i <= 30; i++) {
        ans *= i;
        if (ans == n) {
            cout << i;
            return 0;
        }
    }   
}

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