Submission #931535

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
931535	2024-02-22 02:51:46	AnasAAF	Foehn Phenomena (JOI17_foehn_phenomena)	C++17	30 / 100	384 ms	28736 KiB

foehn_phenomena

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
#define float double
#define ld long double
ll N = 2e5+10;
ll n, S, T, Q;
vector<ll>v(N);
vector<ll>tree(6*N);
vector<ll>lazy(6*N);
void update(int node, ll l, ll r, ll ql, ll qr, ll val){
    //cout<<node<<" "<<l<<" "<<r<<" "<<ql<<" "<<qr<<" "<<val<<endl;
    if(lazy[node]!=0){
        tree[node]+=lazy[node]*(r-l+1);
        if(l!=r){
            lazy[node*2]+=lazy[node];
            lazy[node*2+1]+=lazy[node];
        }
        lazy[node]=0;
    }
    if(ql>r || qr<l)return;
    if(ql<=l && qr>=r){
        tree[node]+=(val*(r-l+1));
        //cout<<"BINGO"<<endl;
        if(l!=r){
            lazy[node*2]+=val;
            lazy[node*2+1]+=val;
 
 
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Compilation message (stderr)

foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:80:26: warning: 'ar' may be used uninitialized in this function [-Wmaybe-uninitialized]
   80 |             else ans-=(br-ar)*T;
      |                       ~~~^~~~

• Subtask 1: 30 / 30
• Subtask 2: 0 / 10
• Subtask 3: 0 / 60