Submission #1127975

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1127975	2024-12-19 19:46:42	bunhadasou	Synchronization (JOI13_synchronization)	C++20	100 / 100	219 ms	21932 KiB

synchronization

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#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define PB push_back
#define EB emplace_back
#define ll long long
#define bit(n,i) ((n>>i)&1)
#define sz(x) (int)x.size()
#define all(x) x.begin(),x.end()
#define TASK "cf"
using namespace std;
struct fenwick{
    vector<int>ft;
    int lim;
    void reset(int _n){
        lim=_n+5;
        ft.assign(_n+10,0);
    }
    void upd(int pos,int val){
        for(;pos<=lim;pos+=pos&-pos) ft[pos]+=val;
    }
    int get(int pos){
        int res=0;
        for (;pos>0;pos-=pos&-pos) res+=ft[pos];
        return res;
    }
    void updating(int l,int r,int val){
        upd(l,val);upd(r+1,-val);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40