Read a whole sentence till i find a specific word

[izlezotfilma]

hi, i wanne read a sentence that is no more than 100 symbols and when it reads the word stop it ends reading the sentence.

char*text;
cin.getline(text, 100);

but how to do the part woth the word stop?

[salem c]

Well first off, avoid using char arrays, especially char pointers, and most importantly uninitialised char pointers.

getline() only stops on specific characters, not whole words.

So perhaps

string word;
string line;

while ( line.length()<100 && cin >> word && word != "stop" ) {
  if ( line.length() > 0 )
    line += " ";
  line += word;
}

[izlezotfilma]

we cants use strings in our course thats why

[salem c]

Perhaps you're on the wrong course then.

Your course seems to be "This course teaches you to run a marathon, but to create a level playing field, we start by breaking everyone's legs".

Your "tutor" is feeding you brain damage that's of little to no use in modern C++.

> we cants use strings in our course thats why
Well then
- replace .length with strlen()
- replace += with strcat()
- replace == with strcmp()

[seeplus]

Consider:

#include <iostream>
#include <iomanip>
#include <cstring>

int main()
{
	const size_t MAXCH {100};
	const char* const stop {"stop"};

	char word[MAXCH] {};
	char line[MAXCH + 1] {};

	for (size_t linlen {}; linlen < MAXCH && (std::cin >> std::setw(MAXCH) >> word) && (std::strcmp(word, stop) != 0); linlen += std::strlen(word)) {
		if (linlen > 0) {
			strcat(line, " ");
			++linlen;
		}

		strcat(line, word);
	}

	std::cout << line << '\n';
}