제출 #522765

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
522765	2022-02-05 16:48:17	nafis_shifat	Bigger segments (IZhO19_segments)	C++17	100 / 100	399 ms	53644 KiB

segments

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#include<bits/stdc++.h>
#define ll long long
#define pii pair<ll,ll>
using namespace std;
const int mxn=1e6+5;
const int inf=1e9;
pii dp[mxn];
ll a[mxn], pre[mxn];
int n;
struct segtree {
  pii lazy[4 * mxn] = {};
  pii tree[4 * mxn] = {};
  
  void propogate(int node) {
    int left=node<<1;
    int right=left|1;
    tree[left] = max(tree[left], lazy[node]);
    tree[right] = max(tree[right], lazy[node]);
    lazy[left] = max(lazy[left], lazy[node]);
    lazy[right] = max(lazy[right], lazy[node]);
    lazy[node] = {0, 0};
  }
  void update(int node,int b,int e,int l,int r,pii v) {
    if(e<l || b>r)return;
    if(b>=l && e<=r) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

segments.cpp: In member function 'void segtree::update(int, int, int, int, int, std::pair<long long int, long long int>)':
segments.cpp:37:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   37 |   int mid=b+e>>1;
      |           ~^~
segments.cpp: In member function 'std::pair<long long int, long long int> segtree::query(int, int, int, int)':
segments.cpp:49:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   49 |   int mid = b + e >> 1;
      |             ~~^~~
segments.cpp: In function 'int main()':
segments.cpp:77:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   77 |    int mid = lo + hi >> 1;
      |              ~~~^~~~

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 36 / 36
• Subtask 5: 27 / 27