Submission #203947

#	Time	Username	Problem	Language	Result	Execution time	Memory
203947		awlintqaa	Uzastopni (COCI17_uzastopni)	C++14	32 / 80	182 ms	376 KiB

uzastopni

#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 200
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef short int si;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1e9+7;
const ll inf= 4e18;
const ld pai=acos(-1);
ll n;
ll sum (ll l , ll r ){
        return ( r * (r+1ll) / 2ll ) - ( l * (l-1ll) / 2ll) ;
}
int main(){
        cin >> n ;
        for ( ll i= 1 ;i < min(1000001ll,n) ;i ++ ){
                ll l=i+1,r=n;
                while ( r-l >1 ){
                        if ( sum ( i , mid ) <=n ) l=mid;
                        else r=mid;
                }
                if ( sum ( i ,l ) == n ){
                        cout<< i << " " << l << endl;
                  		i = l;
                }
        }
}

• Subtask 1: 32 / 80