Submission #435938

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
435938	2021-06-24 02:21:49	dqhungdl	Distributing Candies (IOI21_candies)	C++17	100 / 100	4608 ms	34896 KiB

candies

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#include "candies.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<long long,long long> ii;
const int MAX=200005;
const long long INF=1e18;
int n,m;
long long Pmin[4*MAX],Pmax[4*MAX],lazy[4*MAX];
vector<ii> events[MAX];
void down(int k) {
  Pmin[2*k]+=lazy[k],Pmin[2*k+1]+=lazy[k];
  Pmax[2*k]+=lazy[k],Pmax[2*k+1]+=lazy[k];
  lazy[2*k]+=lazy[k],lazy[2*k+1]+=lazy[k];
  lazy[k]=0;
}
void update(int k,int l,int r,int L,int R,int val) {
  if(l>R||L>r)
    return;
  if(L<=l&&r<=R) {
    Pmin[k]+=val;
    Pmax[k]+=val;
    lazy[k]+=val;
    return;
  }
  down(k);
  int mid=(l+r)/2;
 
 
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Compilation message (stderr)

candies.cpp: In function 'std::vector<int> distribute_candies(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
candies.cpp:104:5: warning: 'pivot' may be used uninitialized in this function [-Wmaybe-uninitialized]
  104 |    l=pivot+1,r=m;
      |    ~^~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 8 / 8
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29
• Subtask 5: 33 / 33