제출 #202276

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
202276	2020-02-15 04:40:15	nafis_shifat	Just Long Neckties (JOI20_ho_t1)	C++14	100 / 100	377 ms	7544 KiB

ho_t1

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#include<bits/stdc++.h>
#define pii pair<int,int>
#define ll long long
#define f first
#define s second
 
using namespace std;
const int mxn=2e5+6;
int tree[4*mxn]={};
int query(int node,int b,int e,int p,int v=0)
{
  if(b==e)return max(v,tree[node]);
  int mid=b+e>>1;
  if(p<=mid)return query(node<<1,b,mid,p,max(v,tree[node]));
  else return query(node*2+1,mid+1,e,p,max(v,tree[node]));
    
}
void update(int node, int b,int e,int l,int r,int v)
{
  if(b>r || e<l)return;
  if(b>=l && e<=r)
  {
    tree[node]=max(tree[node],v);
    return;
  }    
  int mid=b+e>>1;
  int left=node<<1;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

ho_t1.cpp: In function 'int query(int, int, int, int, int)':
ho_t1.cpp:15:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=b+e>>1;
          ~^~
ho_t1.cpp: In function 'void update(int, int, int, int, int, int)':
ho_t1.cpp:29:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=b+e>>1;
          ~^~

• Subtask 1: 1 / 1
• Subtask 2: 8 / 8
• Subtask 3: 91 / 91