Submission #249029

#	Time	Username	Problem	Language	Result	Execution time	Memory
249029		Vladikus004	Uzastopni (COCI17_uzastopni)	C++14	80 / 80	16 ms	384 KiB

uzastopni

#include <bits/stdc++.h>
#define inf 2e9
#define all(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair <int, int> pii;

ll w;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    #ifdef LOCAL
        freopen("input.txt", "r", stdin);
    #endif // LOCAL
    cin >> w;
    ll n = 1;
    while (n * (n + 1) / 2 <= w){
        ll l = 1, r = w / 2 + 3;
        while (l < r){
            ll mid = (l + r) / 2;
            if (mid * n + n * (n + 1) / 2 > w) r = mid;
            else l = mid + 1;
        }
        --l;
        if (l * n + n * (n + 1) / 2 == w){
            cout << l + 1 << " " << l + n << "\n";
        }
        n++;
    }
}

• Subtask 1: 80 / 80