Submission #382238

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
382238	2021-03-26 19:25:09	pure_mem	Hard route (IZhO17_road)	C++14	0 / 100	10 ms	12160 KiB

road

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#include <iostream>
#include <vector>
#define X first
#define Y second
#define MP make_pair
#define ll long long
using namespace std;
const int N = 5e5 + 12;
const int INF = 2e9;
int n, m;
ll ans, mx_ans;
pair<int, int> dp[N];
vector< int > g[N];
void dfs(int v, int pr){
  for(int to: g[v]){
    if(to != pr){
      dfs(to, v);
      if(dp[v].X < dp[to].X + 1){
        dp[v] = dp[to], dp[v].X++;
      }
      else if(dp[v].X == dp[to].X + 1){
        dp[v].Y += dp[to].Y;
      }
    }
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

road.cpp: In function 'void rdfs(int, int, std::pair<int, int>)':
road.cpp:36:23: warning: variable 'f3' set but not used [-Wunused-but-set-variable]
   36 |  int f1 = pr, f2 = 0, f3 = 0;
      |                       ^~

• Subtask 1: 0 / 19
• Subtask 2: 0 / 33
• Subtask 3: 0 / 48