제출 #721289

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
721289		vjudge1	Uzastopni (COCI17_uzastopni)	C++17	40 / 80	244 ms	65536 KiB

uzastopni

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);

    ll n; cin >> n;

    ll k = n/2+1;

    vector<ll> table(k+1);
    table[1] = 1;
    map<ll, ll> mp;
    mp[1] = 1;
    for(ll i = 2; i <= k; i++){
        if(table[i-1] == n){
           cout << 1 <<" "<< i-1 <<"\n";
        }
        table[i] = (i*(i+1))/2;
        mp[table[i]] = i;
    }
    ll pos = upper_bound(table.begin(), table.end(), n) - table.begin();

    for(ll i = pos; i <= k; i++){
        if(mp[table[i]-n] != 0){
            cout << mp[table[i]-n]+1 <<" "<< i <<"\n";
        }
    }


}

• Subtask 1: 40 / 80