C++ Manipulating Value

Question

Hi, I tried to make cheat for cs 1.6 (its going to work with bots)
I found the value of Health point
for example it is 0x274F7
I opened dev c++ and empty source code page.
I wrote this:
int *hpPointer = (int*) "0x274F7";
and tried to that,
if (*hpPointer < 100)
*hpPointer = 100;

you know code above checking if hp is less than 100, equal it to 100
but it did not worked
I compiled and opened,
you know, code is checking is hp less than 100?
i meant code is going to manipulate hp, when my hp has decreased

Answer 1

game is stopping work
also i tried to do the thing like that in sololearn
i declared variable and looked its place in the ram
for example its 0x237
i changed it like that
int *p = (int*) "0x237";
*p = 23; //i changed value
cout<< *p; //then print it

Answer 2

I already found the address with cheat engine