제출 #1109728

#제출 시각아이디문제언어결과실행 시간메모리
1109728Trisanu_Das트리 (IOI24_tree)C++17
컴파일 에러
0 ms0 KiB
#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);
}

컴파일 시 표준 에러 (stderr) 메시지

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