Submission #593232

#	Time	Username	Problem	Language	Result	Execution time	Memory
593232		nguyen31hoang08minh2003	Uzastopni (COCI17_uzastopni)	C++14	80 / 80	1 ms	320 KiB

uzastopni

/*
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
| / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ |
|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|
| / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ |
|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|
| \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / |
|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|
| \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / |
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
| / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ |
|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|
| / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ |
|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|
| \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / |
|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|\ \ | / /|
| \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / | \ \|/ / |
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
*/
#include <bits/stdc++.h>
#define fore(i, a, b) for (int i = (a), i##_last = (b); i < i##_last; ++i)
#define fort(i, a, b) for (int i = (a), i##_last = (b); i <= i##_last; ++i)
#define ford(i, a, b) for (int i = (a), i##_last = (b); i >= i##_last; --i)
#define fi first
#define se second
#define pb push_back
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
using namespace std;
using ll = long long;
using ld = long double;

template<class A, class B> bool maxi(A &a, const B &b) {return (a < b) ? (a = b, true):false;};
template<class A, class B> bool mini(A &a, const B &b) {return (a > b) ? (a = b, true):false;};

typedef unsigned long long ull;
typedef pair<int, int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<vi> vvi;
typedef vector<vii> vvii;

ll n;

/*
    (r - l + 1)(l + r) = 2 * n

    r - l + 1 = x
    l + r     = y

    2 * r + 1 = x + y
    r         = (x + y - 1) / 2
    l         = y - r
*/

int main() {
    ll m;
    #ifdef LOCAL
        freopen("input.INP", "r", stdin);
    #endif // LOCAL
    cin.tie(0) -> sync_with_stdio(0);
    cout.tie(0);
    cin >> n;
    m = n << 1;
    for (ll x = 1, y, l, r; x * x <= m; ++x) {
        if (m % x)
            continue;
        y = m / x;
        r = x + y - 1;
        if (r < 0 || (r & 1))
            continue;
        r >>= 1;
        l = y - r;
        if (0 < l && l < r)
            cout << l << ' ' << r << '\n';
    }
    return 0;
}

• Subtask 1: 80 / 80