제출 #828015

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
828015	2023-08-17 01:39:17	physics07	송신탑 (IOI22_towers)	C++17	31 / 100	861 ms	31752 KiB

towers

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#include "towers.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int inf=1e9+7;
int n, lt[100001], rt[100001], cut[100001], root[100001];
stack<int> stk;
vector<pair<int, int>> v;
vector<int> del, a;
struct maxseg {
    int tree[100001*2], sz;
    void init(int n) {sz=n;}
    void update(int idx, int v) {
        for(tree[idx+=sz]=v; idx>1; idx>>=1) tree[idx>>1]=max(tree[idx], tree[idx^1]);
    }
    int query(int l, int r) {
        int res=0;
        for(l+=sz, r+=sz; l<=r; l>>=1, r>>=1) {
            if(l&1) res=max(res, tree[l++]);
            if(~r&1) res=max(res, tree[r--]);
        }
        return res;
    }
} tree;
struct minseg {
    int tree[100001*2], sz;
    void init(int n) {
        sz=n;
        memset(tree, 0x3f, sizeof(tree));
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

towers.cpp: In member function 'void PST::init(int, int, int)':
towers.cpp:55:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 |         int m=s+e>>1;
      |               ~^~
towers.cpp: In member function 'void PST::update(int, int, int, int, int, int)':
towers.cpp:64:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   64 |         int m=s+e>>1;
      |               ~^~
towers.cpp: In member function 'int PST::query(int, int, int, int, int)':
towers.cpp:79:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   79 |         int m=s+e>>1;
      |               ~^~

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