Submission #79038

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
79038	2018-10-10 18:32:58	KLPP	Sterilizing Spray (JOI15_sterilizing)	C++14	0 / 100	5078 ms	1372 KiB

sterilizing

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#include<iostream>
using namespace std;
typedef long long int lld;
const int blocksz=316;
lld arr[100000];
int n,q,k;
lld blockresults[blocksz+100][40];
int updatecounter[blocksz+100];
void prepareUpdate(int id){
  while(updatecounter[id]>0){
    for(int i=blocksz*id;i<blocksz*(id+1) && i<n;i++)arr[i]/=k;
    updatecounter[id]--;
  }
}
void updateblock(int id){//O(sqrt(N*log(MAX/K)))
  for(int i=0;i<40;i++)blockresults[id][i]=0;
  for(int i=blocksz*id;i<blocksz*(id+1) && i<n;i++){
    lld x=arr[i];
    int step=0;
    while(step<40){
      blockresults[id][step]+=x;
      x/=k;
      step++;
    }
  }
  updatecounter[id]=0;
}
lld getSum(int id){
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 75