Submission #1109728

#	Time	Username	Problem	Language	Result	Execution time	Memory
1109728		Trisanu_Das	Tree (IOI24_tree)	C++17	Compilation error	0 ms	0 KiB

tree

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int MAX_NODES = 300005;

int n,, child_count[MAX_NODES], leaf_count;
vector<int> parent, weight;

void initialize(const vector<int>& _parent, const vector<int>& _weight) {
    parent = _parent;
    weight = _weight;
    n = parent.size();
    fill(child_count, child_count + n, 0);
    leaf_count = 0;
    for (int i = 1; i < n; i++) child_count[parent[i]]++;
    for (int i = 0; i < n; i++) if (child_count[i] == 0) leaf_count++;
}

ll query(int left, int right) {
    return leaf_count * (ll)left + max(0LL, leaf_count * (ll)left - right);
}

Compilation message (stderr)

tree.cpp:8:7: error: expected unqualified-id before ',' token
    8 | int n,, child_count[MAX_NODES], leaf_count;
      |       ^