제출 #502829

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
502829	2022-01-06 15:49:21	Gurban	Inside information (BOI21_servers)	C++17	0 / 100	33 ms	8104 KiB

servers

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int B = 21;
const int maxn=2e5+5;
int n,k;
int p[maxn];
int L[maxn];
int par[B][maxn];
pair<int,int> sp[2][B][maxn];
vector<pair<int,int>>E[maxn];
int ata(int nd){
  if(p[nd] == nd) return nd;
  return p[nd] = ata(p[nd]);
}
void dfs(int nd,int pr){
  par[0][nd] = pr;
  L[nd] = L[pr] + 1;
  for(auto i : E[nd]){
    if(i.first != pr){
      sp[0][0][i.first] = {1,i.second};
      sp[1][0][i.first] = {1,i.second};
      dfs(i.first,nd);
    }
  }
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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컴파일 시 표준 에러 (stderr) 메시지

servers.cpp: In function 'int main()':
servers.cpp:142:19: warning: second operand of conditional expression has no effect [-Wunused-value]
  142 |    cout<<LCA(x,y)?"yes\n":"no\n";
      |                   ^~~~~~~
servers.cpp:142:27: warning: third operand of conditional expression has no effect [-Wunused-value]
  142 |    cout<<LCA(x,y)?"yes\n":"no\n";
      |                           ^~~~~~

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