Error " invalid conversion from ‘char’ to ‘const char*’ " in C++. (SOLVED)

Question

Hello,
I have this code that gives me the error from the title:

This is problem announcement:

Given two strings and a number of successive characters "n" (large enough) from s2 to look for in s, to check if s2 is a plagiarism of s.

The s string is: "HILAR".

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

using namespace std;
int main()
{
char s[50], s2[50], s3[50];
int n, nrp, i;
bool p;
cin.getline(s, 50);
cin.getline(s2, 50);
cin >> n;
p = false;
nrp = 0;
char *pp = strtok(s, "");
while (pp != NULL)
pp = strtok(NULL, "");
nrp = nrp + 1;
i = 1;
while (i <= nrp && p == false){
strcpy(s3, pp[i]);
if (strncmp (s, s3, n) != 0){
p = true;
}
i = i + 1;
}
cout << p;
return 0;
}
https://code.sololearn.com/cKQ4yf8jw5H4/#cpp

I have updated the version:
Test cases:
1) Input: s = "hilar"
s2 = "hila"
n = 4
Output:
p = 1 (TRUE) is plagiarsim.

2) Input: s = "hilar"
s2 = "ir"
n = 2
Output:
p = 0 (FALSE) is not plagiarsim.

PROBLEM SOLVED

Someone can explain me how to solve this error.
Thank you very much.

Answer 1

This way works:

while (i <= nrp && p == false){
strcpy(s3, s2);
if (strncmp (s, s3, n) == 0){
p = true;
}

Answer 2

At first glance, what is the value for string s there?. You are not taking any input..

Answer 3

strcpy copies a string from source to destination. See the link
http://www.cplusplus.com/reference/cstring/strcpy/

So, here, source must be is of type not modifiable..
pp[i] not works...
What inputs your trying..?
Give an example, what you trying...?

Answer 4

Sorry for bad posting, i have made a few mistakes there but i modified the code and, i put the link to code there.
And this the problem with data:

Given two strings and a number of successive characters "n" (large enough) from s2 to look for in s, to check if s2 is a plagiarism of s.

The s string is: "HILAR".

Thank you for answers.

Answer 5

s - "hilar"
s2 - "hi"
n - "2"
These are my input values.

Answer 6

Now works.
Thanks

Answer 7

I have updated the version:
Test cases:
1) Input: s = "hilar"
s2 = "hila"
n = 4
Output:
p = 1 (TRUE) is plagiarsim.

2) Input: s = "hilar"
s2 = "ir"
n = 2
Output:
p = 0 (FALSE) is not plagiarsim.