제출 #303649

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
303649	2020-09-20 13:56:34	myungwoo	식물 비교 (IOI20_plants)	C++11	100 / 100	1529 ms	17752 KiB

plants

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#include <bits/stdc++.h>
#include "plants.h"
using namespace std;
#define MAXN 200005
#define debug(...) fprintf(stderr, __VA_ARGS__); fflush(stderr);
const int TS = 1<<20, ST = TS/2-1;
int N, K, R[MAXN*2];
int A[MAXN*2], B[MAXN*2];
struct SegTree{
  template <typename T>
  struct Value{
    T value, lazysum;
  };
  Value<int> tree[TS];
  void build(int arr[]){
    memset(tree, 0, sizeof(tree));
    for (int i=ST+1;i<TS;i++) tree[i].value = i-ST <= N+N ? arr[i-ST] : 1e9;
    for (int i=ST;i;i--) tree[i].value = min(tree[i*2].value, tree[i*2+1].value);
  }
  void propagate(int n){
    if (n <= ST){
      tree[n*2].value += tree[n].lazysum, tree[n*2+1].value += tree[n].lazysum;
      tree[n*2].lazysum += tree[n].lazysum, tree[n*2+1].lazysum += tree[n].lazysum;
    }
    tree[n].lazysum = 0;
  }
  void update(int n, int s, int e, int l, int r, const int &v){
 
 
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컴파일 시 표준 에러 (stderr) 메시지

plants.cpp: In member function 'void SegTree::update(int, int, int, int, int, const int&)':
plants.cpp:37:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   37 |   int m = s+e >> 1;
      |           ~^~

• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 13 / 13
• Subtask 4: 17 / 17
• Subtask 5: 11 / 11
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• Subtask 7: 25 / 25