Submission #1166466

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Source Code Expand

#include <stdio.h>
#include <bits/stdc++.h>

#define uint unsigned int
#define ll long long
#define ull unsigned long long
#define ld long double
#define rep(i, l, r) for (int i = l; i < r; i++)
#define repb(i, r, l) for (int i = r; i > l; i--)
#define sz(a) (int)a.size()
#define fi first
#define se second

using namespace std;

const int N = 100000;
const int inf = (int)1e9 + 1;
const ll big = (ll)1e18 + 1;
const int P = 31;
const int MOD = (int)1e9 + 7;
const int MOD1 = (int)1e9 + 9;
const double eps = 1e-6;
const double pi = atan2(0, -1);

int main()
{
    //freopen("a.in", "r", stdin);
    //freopen("arrayop.out", "w", stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.precision(20);
    //int TL = 0.95 * CLOCKS_PER_SEC;
    //clock_t time = clock();
    int x;
    cin >> x;
    int cnt = 0;
    for (int i = 1;;i++)
    {
        cnt += i;
        if (cnt >= x)
        {
            cout << i << endl;
            return 0;
        }
    }
    return 0;
}

Submission Info

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