Вопрос о строках.

#include <iostream>
#include <stdio.h>
using namespace std;
 
int main() {
 
    char * pstr1="tes"; 
    short offset=strlen(pstr1)+1;
    
    pstr1="wxyz";
    for(offset*=-1;offset<(short)strlen(pstr1);offset++){
        cout<<"pstr1["<<offset<<"]=="<<*(pstr1+offset)<<endl;
    }
    return 0;
}

   char *str = new char;
  ...
   delete [] str;// или
   delete str;

delete [] str

char *str = new char [1]

char *str=new char;

delete []str

void func(){
    DWORD_PTR stackPtr;
    __asm mov [stackPtr], esp;
    cout<<"stack pointer in func: "<<stackPtr<<endl;
    char *pstr1="testestestestestestestestestestestestestestesAAA";
    cout<<"pstr1 in func: "<<pstr1<<endl;
}
 
void func2(){
    DWORD_PTR stackPtr;
    __asm mov [stackPtr], esp;
    cout<<"stack pointer in func2: "<<stackPtr<<endl;
    char *pstr1="111111111111111111111111111111111111111111111111111111222";
    cout<<"pstr1 in func2: "<<pstr1<<endl;
}
 
 
int main(...) {
    DWORD_PTR stackPtr;
    __asm mov [stackPtr], esp;
    cout<<"stack pointer in main before func() call: "<<stackPtr<<endl;
    func();
    __asm mov [stackPtr], esp;
    cout<<"stack pointer in main before func2() call: "<<stackPtr<<endl;
    func2();
    __asm mov [stackPtr], esp;
    cout<<"stack pointer in main after func2() call: "<<stackPtr<<endl;
}

char *pstr1

#include <iostream>
using namespace std;
 
class test
{
public:
    test() { cout << "test ctor" << endl; }
    ~test() { cout << "test dtor" << endl; }
};
 
int main()
{
    test* p = new test[5];
    cout << "----------" << endl;
    delete p;
    //delete[] p;
 
    return 0;
}
 
/*
output:
test ctor
test ctor
test ctor
test ctor
test ctor
----------
test dtor
 
*/

    test** p = new test[5][10];
    delete[][] p;

    test*** p = new test[5][10][20];
    delete[][][] p;

char * pstr1="tes";
for(int i=0;i<2;i++) *(pstr1+i)=char(i+65); pstr1[2]='\0';

char * pstr1="tes";