Submission #518319

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
518319	2022-01-23 11:14:33	CSQ31	Street Lamps (APIO19_street_lamps)	C++17	100 / 100	1314 ms	37088 KiB

street_lamps

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#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define sz(a) (int)(a.size())
struct fenwick{
  vector<ll>bit;
  int n;
  void reset(int i){
    for(;i<=n;i+=i&(-i))bit[i]=0;
  }
  void upd(int i,int x){
    for(;i<=n;i+=i&(-i))bit[i]+=x;
  }
  ll query(int i){
    ll res = 0;
    for(;i>0;i-=i&(-i))res+=bit[i];
    return res;
  }
  fenwick(){}
  fenwick(int _n){
    n = _n;
    bit.assign(n+1,0);
  }
  
}sum,num,f;
struct line{
  int tl,tr,ql,qr;
  line(){}
  line(int _tl,int _tr,int _ql,int _qr){
    tl = _tl;
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20