제출 #910105

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
910105	2024-01-17 22:28:36	MinaRagy06	Inside information (BOI21_servers)	C++17	50 / 100	366 ms	90976 KiB

servers

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#include <bits/stdc++.h>
using namespace std;
typedef int64_t ll;
#define SZ(x) (int) x.size()
const int N = 120'005;
vector<array<int, 3>> adj[N];
//0: increasing, 1: decreasing, {ancestor, last weight}
array<int, 3> bl[2][18][N];
int st[N], en[N], curt;
void dfs(int i, int par, int part) {
  bl[0][0][i] = {par, part, part};
  bl[1][0][i] = {par, part, part};
  for (int j = 1; j < 18; j++) {
    bl[0][j][i] = bl[0][j - 1][i];
    auto [lst, lstt, mx] = bl[0][j][i];
    if (lstt <= bl[0][0][lst][1]) {
      bl[0][j][i] = bl[0][j - 1][lst];
      bl[0][j][i][2] = max(bl[0][j][i][2], mx);
    }
  }
  for (int j = 1; j < 18; j++) {
    bl[1][j][i] = bl[1][j - 1][i];
    auto [lst, lstt, mx] = bl[1][j][i];
    if (lstt >= bl[1][0][lst][1]) {
      bl[1][j][i] = bl[1][j - 1][lst];
      bl[1][j][i][2] = max(bl[1][j][i][2], mx);
    }
  }
  st[i] = curt++;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

servers.cpp: In function 'int main()':
servers.cpp:136:14: warning: structured binding declaration set but not used [-Wunused-but-set-variable]
  136 |    for (auto [a, b, t] : upd) {
      |              ^~~~~~~~~
servers.cpp:133:8: warning: unused variable 'x' [-Wunused-variable]
  133 |    int x = v[i].second[0];
      |        ^
servers.cpp:109:7: warning: variable 'recalc' set but not used [-Wunused-but-set-variable]
  109 |  auto recalc = [&] () {
      |       ^~~~~~

• Subtask 1: 2.5 / 2.5
• Subtask 2: 0 / 2.5
• Subtask 3: 2.5 / 2.5
• Subtask 4: 0 / 2.5
• Subtask 5: 5 / 5
• Subtask 6: 0 / 5
• Subtask 7: 10 / 10
• Subtask 8: 0 / 10
• Subtask 9: 12.5 / 12.5
• Subtask 10: 0 / 12.5
• Subtask 11: 17.5 / 17.5
• Subtask 12: 0 / 17.5