Submission #967737

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
967737	2024-04-22 17:38:49	amirhoseinfar1385	Fire (JOI20_ho_t5)	C++17	100 / 100	628 ms	137420 KiB

ho_t5

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#include<bits/stdc++.h>
using namespace std;
const long long maxn=400000+10;
struct fenwick{
  long long fn[maxn];
  void clear(){
    for(long long i=0;i<maxn;i++){
      fn[i]=0;
    }
  }
  void upd(long long l,long long r,long long w){
    //cout<<"upd: "<<l<<" "<<r<<" "<<w<<endl;
    l++;
    r++;
    if(l>r){
      return ;
    }
    r++;
    while(l<maxn){
      fn[l]+=w;
      l+=((-l)&l);
    }
    while(r<maxn){
      fn[r]-=w;
      r+=((-r)&r);
    }
  }
  long long pors(long long i){
    long long ret=0;
    i++;
 
 
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