oj.uz

답안 #249029

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
249029 2020-07-14T07:24:02 Z Vladikus004 Uzastopni (COCI17_uzastopni) C++14
80 / 80
 16 ms 384 KB 
#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
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 16 ms 384 KB Output is correct