Submission #947636

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
947636	2024-03-16 17:06:44	atom	Hard route (IZhO17_road)	C++17	52 / 100	565 ms	1364 KiB

road

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#include "bits/stdc++.h"
// @JASPER'S BOILERPLATE
using namespace std;
using ll = long long;
#ifdef JASPER
#include "debug.h"
#else
#define debug(...) 166
#endif
const int N = 5e3 + 5;
const int INF = 1e9;
int n;
vector <int> adj[N];
ll ans, cnt;
using T = pair <ll, ll>;
T dp[N];
// <maximum distance from current node, number of ways>
void dfs(int u, int p, int dep) {
    dp[u] = make_pair(dep, 1);
    for (int v : adj[u]) {
        if (v == p) continue;
        dfs(v, u, dep + 1);
        if (dp[u].first < dp[v].first)
            dp[u] = make_pair(dp[v].first, dp[v].second);
        else if (dp[u].first == dp[v].first)
            dp[u].second += dp[v].second;
    }
 
 
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Compilation message (stderr)

road.cpp: In function 'int main()':
road.cpp:9:20: warning: statement has no effect [-Wunused-value]
    9 | #define debug(...) 166
      |                    ^~~
road.cpp:51:9: note: in expansion of macro 'debug'
   51 |         debug(cand);
      |         ^~~~~

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