제출 #762155

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
762155	2023-06-21 01:58:45	fdnfksd	벽 (IOI14_wall)	C++14	100 / 100	612 ms	162364 KiB

wall

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#include<bits/stdc++.h>
#include "wall.h"
using namespace std;
using ll = int;
#define vi vector<int>
const ll maxN=5e5+10;
struct node
{
    ll x,y;
    node operator+(const node &o)
    {
        node ans;
        ans.x=max(x,o.x);
        ans.y=min(y,o.y);
        ans.x=min(ans.x,o.y);
        ans.y=max(ans.y,o.x);
        return ans;
    }
}st[4*maxN];
void update(ll pos,ll i,ll j,ll id,ll l,ll r)
{
    if(l==r)
    {
        st[id].x=i;
        st[id].y=j;
        return;
    }
    ll mid=l+r>>1;
    if(pos<=mid) update(pos,i,j,id*2,l,mid);
    else update(pos,i,j,id*2+1,mid+1,r);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

wall.cpp: In function 'void update(ll, ll, ll, ll, ll, ll)':
wall.cpp:28:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   28 |     ll mid=l+r>>1;
      |            ~^~

• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 39 / 39