Custom split function in C / C ++ to split strings and return vector type data

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Why do we need to customize the split function to split the string?

The original intention of this article has the following two points:

1. The Split function in C / C ++ is strtok (). Its function prototype is as follows:
   char * strtok (char * str, const char * delimiters);
   This returns a char pointer type. If you want to directly return the vector type, you have Must read this article.
2. Want to provide a particularly simple method of string segmentation, the time complexity of this method is O (n), no other functions are used.

Custom split function returns vector type data?

Without further ado, go directly to the code:

#include<iostream>
#include<vector>
#include<string>
using namespace std;

int main() {
	string line;
	cin >> line;
	vector<string> strArr;
	string temp = "";
	int i = 0;
	while (line[i] != '\0') {
		if (line[i] - ',' == 0) {
			strArr.push_back(temp);
			temp = "";
		}
		else
			temp = temp + line[i];
		i++;
	}
	if(temp.length() > 0)
		strArr.push_back(temp);
	for (i = 0; i < strArr.size(); i++)		
		cout << strArr[i] << endl;
	system("pause");
	return 0;
}