Laba 1.2 (2K)

#include <iostream>
#include <string.h>
#include <Windows.h>

using namespace std;

void revSubStr(char* text){
    char *oldtext = new char[100];
    char enter_id;
    char* end_id = new char[1];
    cout << "Enter position #1: ";
    cin >> enter_id;
    cout << "Enter position #2: ";
    cin >> end_id;
    for (int i(0); i <= strlen(text); i++)
    {
        oldtext[i] = text[i];
    /*  if (strchr(oldtext, enter_id) == NULL)
        {
            cout << "ERROR! NO SUCH THING AS '" << enter_id << "' IN SENTENSE!"<<endl;
            exit(0);
        }*/
    }
    char* a1 = strchr(text, enter_id);
    cout << "text: " << text << endl;
    char* a3 = strtok(a1, end_id);
    char* a4 = strcat(a3, end_id);
    int index = strcspn(text, a4);
    int riz = strcmp(a1, text) + index;
    char* reverse = strrev(a4);
    int lenght = strlen(oldtext);
    for (int i(0); i < strlen(reverse); i++)
    {
        oldtext[index + i] = reverse[i];

    }
    cout << "result end : " << oldtext << endl;
    delete[] oldtext, end_id;
}

void main()
{
    const char n = 100;
    char text[n];
    cout << "Enter string: ";
    cin.getline(text, 100);
    revSubStr(text);
}