Submission #899351

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
899351	2024-01-05 20:22:36	juliany2	Capital City (JOI20_capital_city)	C++17	100 / 100	485 ms	38932 KiB

capital_city

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) (x).begin(), (x).end()
const int N = 2e5 + 7;
int n, k;
vector<int> adj[N], col[N];
int c[N], cnt[N], pt[N];
int sz[N];
bool vis[N], rem[N];
int ans;
int dfs_sz(int v, int p = 0) {
    sz[v] = 1;
    for (int u : adj[v]) {
        if (u != p && !rem[u])
            sz[v] += dfs_sz(u, v);
    }
    return sz[v];
}
int get_centroid(int v, int tot, int p = 0) {
    for (int u : adj[v]) {
        if (u != p && !rem[u]) {
            if (sz[u] * 2 > tot)
                return get_centroid(u, tot, v);
        }
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

capital_city.cpp: In function 'void solve(int)':
capital_city.cpp:69:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |         if (cnt[x] != col[x].size()) {
      |             ~~~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 59 / 59