제출 #680782

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
680782	2023-01-11 19:05:48	arnold518	Jail (JOI22_jail)	C++17	100 / 100	1707 ms	224816 KiB

jail

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 2e5;
int Q, N, NN, M;
vector<int> adj[MAXN+10];
pii A[MAXN+10];
int idx[MAXN+10];
vector<int> adj2[MAXN*10+10];
vector<int> radj2[MAXN*10+10];
int dep[MAXN+10], par[MAXN+10], sz[MAXN+10];
void dfs(int now, int bef, int d)
{
  dep[now]=d;
  par[now]=bef;
  sz[now]=1;
  for(int nxt : adj[now])
  {
    if(nxt==bef) continue;
    dfs(nxt, now, d+1);
    sz[now]+=sz[nxt];
  }
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

jail.cpp: In function 'void init(int, int, int)':
jail.cpp:46:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   46 |  int mid=tl+tr>>1;
      |          ~~^~~
jail.cpp: In function 'void get(int, int, int, int, int, std::vector<int>&)':
jail.cpp:64:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   64 |  int mid=tl+tr>>1;
      |          ~~^~~
jail.cpp: In function 'bool solve()':
jail.cpp:166:18: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  166 |  return SS.size()==M;
      |         ~~~~~~~~~^~~
jail.cpp:106:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  106 |  scanf("%d", &N);
      |  ~~~~~^~~~~~~~~~
jail.cpp:110:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  110 |   scanf("%d%d", &u, &v);
      |   ~~~~~^~~~~~~~~~~~~~~~
jail.cpp:114:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  114 |  scanf("%d", &M);
      |  ~~~~~^~~~~~~~~~
jail.cpp:117:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  117 |   scanf("%d%d", &A[i].first, &A[i].second);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
jail.cpp: In function 'int main()':
jail.cpp:189:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  189 |  scanf("%d", &Q);
      |  ~~~~~^~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 16 / 16
• Subtask 4: 28 / 28
• Subtask 5: 12 / 12
• Subtask 6: 11 / 11
• Subtask 7: 23 / 23