Submission #669703

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
669703	2022-12-07 06:09:08	soondro2266	Foehn Phenomena (JOI17_foehn_phenomena)	C++14	100 / 100	603 ms	42956 KiB

foehn_phenomena

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#include<bits/stdc++.h>
using namespace std;
#define int long long
struct seg{
    int l, r, val, s, t, mid;
    seg* ch[2] = {};
    seg(int _l, int _r, int _s, int _t, vector<int> &arr):l(_l),r(_r),s(_s),t(_t){
        if(l == r-1){
            val = arr[l];
            return;
        }
        mid = (l+r)/2;
        ch[0] = new seg(l, mid, s, t, arr);
        ch[1] = new seg(mid, r, s, t, arr);
        pull();
    }
    int get(){
        if(l == r-1){
            if(val < 0){
                return val*(0-t);
            }
            else{
                return val*(0-s);
            }
        }
        return val;
    }
    void pull(){
        val = ch[0]->get() + ch[1]->get();
    }
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 10 / 10
• Subtask 3: 60 / 60