제출 #422829

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
422829	2021-06-10 12:52:01	KoD	Sky Walking (IOI19_walk)	C++17	57 / 100	4083 ms	839864 KiB

walk

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#include <bits/stdc++.h>
#include "walk.h"
using ll = long long;
template <class T> using Vec = std::vector<T>;
template <class T> using Heap = std::priority_queue<T, Vec<T>, std::greater<T>>;
constexpr ll INF = std::numeric_limits<ll>::max() / 2;
struct RMQ {
  int size;
  Vec<ll> min;
  RMQ(const int n): size(n), min(2 * n, INF) {}
  void assign(int i, const ll x) {
    i += size;
    min[i] = x;
    while (i > 1) {
      i >>= 1;
      min[i] = std::min(min[2 * i], min[2 * i + 1]);
    }
  }
  ll fold(int l, int r) const {
    l += size;
    r += size;
    ll x = INF;
    while (l < r) {
      if (l & 1) x = std::min(x, min[l++]);
      if (r & 1) x = std::min(x, min[--r]);
      l >>= 1;
      r >>= 1;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

walk.cpp: In function 'll min_distance(Vec<int>, Vec<int>, Vec<int>, Vec<int>, Vec<int>, int, int)':
walk.cpp:61:14: warning: unused variable 'height' [-Wunused-variable]
   61 |    const int height = std::upper_bound(cmp.begin(), cmp.end(), h[i]) - cmp.begin();
      |              ^~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 14 / 14
• Subtask 3: 15 / 15
• Subtask 4: 18 / 18
• Subtask 5: 0 / 43