Submission #980222

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
980222	2024-05-12 01:20:42	vjudge1	Longest Trip (IOI23_longesttrip)	C++17	15 / 100	926 ms	2492 KiB

longesttrip

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#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector <ll>;
using dll = deque <ll>;
using vi = vector <int>;
const ll MAXN = 256+16;
vll adj[MAXN];
bool mat[MAXN][MAXN];
ll comp[MAXN];
void dfs (ll u, ll col, ll &sz) {
    if (comp[u]) return;
    comp[u] = col;
    sz++;
    for (ll v : adj[u]) {
        dfs(v, col, sz);
    }
}
vi longest_trip (int n, int d) {
    fill(adj, adj+n+5, vll({}));
    fill(comp, comp+n+5, 0);
    for (ll u = 0; u < n; u++) {
        mat[u][u] = false;
        for (ll v = u+1; v < n; v++) {
            if (are_connected(vi({ int(u) }), vi({ int(v) }))) {
                adj[u].push_back(v);
 
 
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Compilation message (stderr)

longesttrip.cpp: In function 'vi longest_trip(int, int)':
longesttrip.cpp:41:9: warning: control reaches end of non-void function [-Wreturn-type]
   41 |     vll sz;
      |         ^~

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 25
• Subtask 4: 0 / 60