제출 #658138

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
658138	2022-11-12 09:33:03	evenvalue	Sky Walking (IOI19_walk)	C++17	100 / 100	1244 ms	266320 KiB

walk

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#include "walk.h"
#include <bits/stdc++.h>
using namespace std;
template<typename T>
using min_heap = priority_queue<T, vector<T>, greater<T>>;
template<typename T>
using max_heap = priority_queue<T, vector<T>, less<T>>;
using int64 = long long;
using ld = long double;
constexpr int kInf = 1e9 + 10;
constexpr int64 kInf64 = 1e17 + 10;
constexpr int kMod = 1e9 + 7;
class LazySegTree {
  const int n;
  vector<int> t;
  void push(const int x, const int l, const int r) {
    if (t[x] == -1) return;
    const int mid = (l + r) / 2;
    const int y = 2 * (mid - l + 1) + x;
    for (const int child : {x + 1, y}) {
      t[child] = t[x];
    }
    t[x] = -1;
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

walk.cpp: In function 'int64 subtask4(const std::vector<building>&, std::vector<skywalk>&, int, int)':
walk.cpp:172:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<skywalk>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  172 |   for (int i = 0; i < skywalks.size(); i++) {
      |                   ~~^~~~~~~~~~~~~~~~~

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