제출 #868041

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
868041	2023-10-30 09:58:08	vjudge1	늑대인간 (IOI18_werewolf)	C++17	100 / 100	1873 ms	226088 KiB

werewolf

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#include "werewolf.h"
using namespace std;
#include <bits/stdc++.h>
class tree_t {
       public:
        int N, timer;
        vector<int> tin, tout, a;
        vector<vector<int>> g, par;
        tree_t(int N = 0) : N(N), tin(N), tout(N), g(N), timer(0), a(N), par(__lg(N) + 1, vector<int>(N)) {}
        void dfs(int u, int p) {
                tin[u] = timer++;
                par[0][u] = p;
                for (int i = 1; i <= __lg(N); i++) par[i][u] = par[i - 1][par[i - 1][u]];
                for (int v : g[u]) dfs(v, u);
                tout[u] = timer;
        }
};
class segtree_t {
       public:
        segtree_t *left, *right;
        vector<int> val;
        int l, r, m;
        segtree_t(int l, int r) : l(l), r(r), m(l + r >> 1), val() {
                if (l == r) return;
                left = new segtree_t(l, m);
                right = new segtree_t(m + 1, r);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

werewolf.cpp: In constructor 'tree_t::tree_t(int)':
werewolf.cpp:8:29: warning: 'tree_t::g' will be initialized after [-Wreorder]
    8 |         vector<vector<int>> g, par;
      |                             ^
werewolf.cpp:6:16: warning:   'int tree_t::timer' [-Wreorder]
    6 |         int N, timer;
      |                ^~~~~
werewolf.cpp:10:9: warning:   when initialized here [-Wreorder]
   10 |         tree_t(int N = 0) : N(N), tin(N), tout(N), g(N), timer(0), a(N), par(__lg(N) + 1, vector<int>(N)) {}
      |         ^~~~~~
werewolf.cpp: In constructor 'segtree_t::segtree_t(int, int)':
werewolf.cpp:27:51: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   27 |         segtree_t(int l, int r) : l(l), r(r), m(l + r >> 1), val() {
      |                                                 ~~^~~
werewolf.cpp:25:19: warning: 'segtree_t::m' will be initialized after [-Wreorder]
   25 |         int l, r, m;
      |                   ^
werewolf.cpp:24:21: warning:   'std::vector<int> segtree_t::val' [-Wreorder]
   24 |         vector<int> val;
      |                     ^~~
werewolf.cpp:27:9: warning:   when initialized here [-Wreorder]
   27 |         segtree_t(int l, int r) : l(l), r(r), m(l + r >> 1), val() {
      |         ^~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 8 / 8
• Subtask 3: 34 / 34
• Subtask 4: 51 / 51