Submission #334316

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
334316	2020-12-09 02:35:51	nandonathaniel	Weighting stones (IZhO11_stones)	C++14	100 / 100	74 ms	5612 KiB

stones

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#include<bits/stdc++.h>
using namespace std;
const int MAXN=100005;
int tree[2][4*MAXN],lazy[2][4*MAXN];
void updatenode(int no,int now,int L,int R,int val){
  tree[no][now]+=val;
  lazy[no][now]+=val;
}
void pushdown(int no,int now,int L,int R){
  int mid=(L+R)/2;
  updatenode(no,2*now,L,mid,lazy[no][now]);
  updatenode(no,2*now+1,mid+1,R,lazy[no][now]);
  lazy[no][now]=0;
}
int query(int no,int now,int L,int R,int x,int y){
  if(L>=x && R<=y)return tree[no][now];
  if(L>y || R<x)return 0;
  pushdown(no,now,L,R);
  int mid=(L+R)/2;
  return max(query(no,2*now,L,mid,x,y),query(no,2*now+1,mid+1,R,x,y));
}
void update(int now,int L,int R,int x,int y,int val){
  if(L>=x && R<=y){
    updatenode(0,now,L,R,val);
    updatenode(1,now,L,R,val);
 
 
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• Subtask 1: 100 / 100