Submission #1155411

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1155411	2025-02-22 13:08:48	kitkat12	Race (IOI11_race)	C++20	Compilation error	0 ms	0 KiB

race

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#include <bits/stdc++.h>
using namespace std;
#define nmax 200020
#define ii pair<int, int>
#define ll long long
int n, k, ans, cnt[1000100], sz[nmax], r[nmax];
vector<ii> adj[nmax];
inline void minimize(int &a, int b)
{
    if(a == -1 || a > b)
        a = b;
}
int dfs(int u, int p = -1)
{
    sz[u] = 1;
    for(auto [C, v]: adj[u]) {
        if(v != p && !r[v]) sz[u] += dfs(v, u);
    }
    return sz[u];
}
int get_centroid(int m, int u, int p = -1)
{
    for(auto [C, v]: adj[u]) {
        if(v != p && !r[v] && 2 * sz[v] > m) return get_centroid(m, v, u);
    }
 
 
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Compilation message (stderr)

race.cpp: In function 'int best_path(int, int, int (*)[2], int*)':
race.cpp:86:29: error: 'l' was not declared in this scope
   86 |         adj[u].push_back(ii(l[i], v));
      |                             ^