제출 #777934

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
777934	2023-07-09 23:00:24	aZvezda	Jail (JOI22_jail)	C++14	100 / 100	1291 ms	167568 KiB

jail

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int mod = 1e9 + 7;
 
#ifndef LOCAL
#define cerr if(false)cerr
#endif
 
const int MAX_N = 1e6 + 10, LOG = 20;
int n, m, par[MAX_N][LOG], d[MAX_N], in[MAX_N], out[MAX_N], tme;
int sz[MAX_N], chain[MAX_N];
pair<int, int> quer[MAX_N];
vector<int> g[MAX_N], eul;
 
void calc(int x, int p) {
  sz[x] = 1;
  d[x] = d[p] + 1;
  par[x][0] = p;
  for(int i = 1; i < LOG; i ++) {
    par[x][i] = par[par[x][i - 1]][i - 1];
  }
  for(auto it : g[x]) {
    if(it == p) { continue; }
    calc(it, x);
    sz[x] += sz[it];
  }
}
 
void dfs(int x, int p, bool big = false) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

jail.cpp: In function 'void solve()':
jail.cpp:232:26: warning: unused variable 'b' [-Wunused-variable]
  232 |   int a = quer[i].first, b = quer[i].second;
      |                          ^

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 16 / 16
• Subtask 4: 28 / 28
• Subtask 5: 12 / 12
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• Subtask 7: 23 / 23