Submission #1733027

---

Source Code Expand

#include <bits/stdc++.h>
using namespace std;
static const int64_t INFL = 0x3F3F3F3F3F3F3F3FLL;
typedef int64_t ll;
struct Solution {
    void solve(std::istream& in, std::ostream& out) {
        ll x;
        in >> x;
        ll mt = INFL;
        for (ll t = x; t >= 1; t--) {
            if (x > t * (t - 1) / 2) {
                mt = t;
                break;
            }
        }
        out << mt << '\n';
    }
};
void solve(std::istream& in, std::ostream& out) {
    out << std::setprecision(12);
    Solution solution;
    solution.solve(in, out);
}
#include <fstream>
#include <iostream>
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    istream& in = cin;
    ostream& out = cout;
    solve(in, out);
    return 0;
}

Submission Info

Judge Result