제출 #343508

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
343508		Habib_Assoev	Divide and conquer (IZhO14_divide)	C++14	0 / 100	1 ms	364 KiB

divide

# include<bits/stdc++.h>
#define in freopen ("measurement.in", "r", stdin);
#define out freopen("measurement.out", "w", stdout);
#define ll long long
#define pb push_back
#define pf push_front
#define fi first
#define se second
#define speed ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std ;
long long const N = 1e6 + 7;
long long N1 = 1e9 + 7;
int main( ){
    //in out
    speed ;
    ll TJK = 1 ;
    // cin >> TJK ;
    while( TJK -- ){
        ll n;
        cin >> n;
        ll a[n] , g[n] , d[n];
        for( int i = 0 ; i < n ; i ++ ){
            cin >> a[i] >> g[i] >> d[i];
        }
        ll g1[n] , d1[n];
        g1[0] = g[0] , d1[0] = d[0];
        for( int i = 1 ; i < n ; i ++ ){
            g1[i] = g1[i-1] + g[i];
            d1[i] = d1[i-1] + d[i];
        }
        ll l = 0 , r = 0 , go = 0 , di = 0 , en = 0 , mx = 0;
        for( int i = 0 ; i < n ; i ++ ){
            go += g[i];
            di = a[r] - a[l];
            en += d[i];
            if( di <= en ){
                r ++;
                mx = max( mx , go );
            }else{
                while( di > en ){
                    l ++;
                    di = a[r] - a[l];
                    en = ( d1[r] - d1[l] ) + d[l];
                    go = ( g1[r] - g1[l] ) + g[l];
                }
                mx = max( mx , go );
            }
        }
        cout << mx << endl;
    }
}

• Subtask 1: 0 / 17
• Subtask 2: 0 / 31
• Subtask 3: 0 / 52