在某些IDE上进行代码工作而在其他IDE上不工作

Question

此代码在代码块和geeks4geeks IDE中运行，但在hackerearth上显示SIGSEGV错误： 这是问题的链接：https://www.hackerearth.com/practice/data-structures/advanced-data-structures/trie-keyword-tree/tutorial/#c183497 我已经尝试了大多数输入，并在代码块中给出了正确的输出。

#include <bits/stdc++.h>

using namespace std;

ofstream f1("data.out");
ifstream g("data.in");

struct tnode {
    tnode * a[26];
    int w;

};

struct tnode * getnode() {
    struct tnode * t = new tnode;

    t - > w = 0;
    for (int i = 0; i < 26; i++) {
        t - > a[i] = NULL;
    }

};
void insert1(struct tnode * root, string s, int w1) {
    struct tnode * pcrawl = root;
    int len = s.length(), index;
    for (int i = 0; i < len; i++) {

        index = s[i] - 'a';

        if (pcrawl - > a[index] == NULL) {
            pcrawl - > a[index] = getnode();
        }

        pcrawl = pcrawl - > a[index];
        if (w1 > pcrawl - > w)
            pcrawl - > w = w1;

    }

}

int find1(struct tnode * root, string s) {

    struct tnode * pcrawl = root;
    int len = s.length(), index;
    for (int i = 0; i < len; i++) {
        index = s[i] - 'a';
        if (pcrawl - > a[index] != NULL) {
            pcrawl = pcrawl - > a[index];
        } else return -1;
    }
    if (pcrawl != NULL)
        return pcrawl - > w;

}

int main() {
    int n, q, w;

    struct tnode * root = getnode();

    string s;
    cin >> n >> q;
    for (int i = 0; i < n; i++) {
        cin >> s >> w;

        insert1(root, s, w);
    }
    for (int i = 0; i < q; i++) {
        cin >> s;
        cout << find1(root, s) << "\n";
    }
}