제출 #956752

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
956752		Lukap	Homework (CEOI22_homework)	C++14	0 / 100	1089 ms	32312 KiB

Main

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 2e6;

string s;
int n, uk;
int l[MAXN], r[MAXN], tip[MAXN];
vector<int> v;

void unos (int l_g, int r_g) {
    int x = uk;
    uk++;
    if (r_g == l_g) {
        n++;
        return;
    }

    char a = s[l_g + 1];
    int zag, br = 0;
    for (int i = l_g; i <= r_g; i++) {
        if (s[i] == '(') br++;
        if (s[i] == ')') br--;

        if (s[i] == ',' && br == 1) zag = i;
     }

    if (a == 'i') tip[x] = 0;
    else tip[x] = 1;

    l[x] = uk;
    unos (l_g + 4, zag - 1);

    r[x] = uk;
    unos (zag + 1, r_g - 1);

}

int dfs (int x) {
//    cout << x << ' ' << tip[x] << "\n";
    if (tip[x] != tip[0] || l[x] == -1) return 1;

    return dfs (l[x]) + dfs (r[x]);
}

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie (0);
    cout.tie (0);
    memset (l , -1, sizeof (l));
    memset (r, -1, sizeof (r));

    cin >> s;
    unos (0, s.size () - 1);

    int rj = dfs (0);

    cout << n - rj + 1;

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'void unos(int, int)':
Main.cpp:36:10: warning: 'zag' may be used uninitialized in this function [-Wmaybe-uninitialized]
   36 |     unos (zag + 1, r_g - 1);
      |     ~~~~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 13
• Subtask 3: 0 / 13
• Subtask 4: 0 / 30
• Subtask 5: 0 / 34