c++ computer programming question 3.please help!?

Question

Write a function with a char* argument s and int argument length whichreserves the string so that the first letter becomes the last and so on.
The following sample tasks may help:

sample task 1
write a function with a const char* arguments, an int argument length and a character argument c,which which returns the number of characters c in s


int count(const char* s, int length, char c)
{
int i, cnt;
for(i=0, cnt=0; i< length; ++i)
if(*(s + 1) == c)
++cnt;
return cnt;
}


sample task 2:
write a function with int* argument a and int argument length which reurns the maximum element in the memory block a

int max_element(int* a, int length)
{
int i, max;
for (max = *a, i=1; i if(max< *(a+i))
max= *(a+i);
return max;
}

Answer 1

I'll tell U something that could help in the reverse task

U can use one of two things

1-
by includeing & < algorithm>

void revers(char* a,int length)
{
string s = a;
reverse(s.begin() , s.end());
a = s;
}

2-
by using a loop

void reverse(char *a,int length)
{
int i=0;
for(i=0;i< = (length/2) ;i++)
a[length-i-1] = a[i];
}