How to input string in c++

There are two methods for string input in C: getline function, which reads the entire line of string, including spaces. cin >> operator, reads a single word or a space-delimited string.

String input in C

There are two ways to input strings through cin in C:

1. getline function

The getline function is used to read an entire line of strings from the standard input stream, including spaces. The syntax is as follows:

getline(cin, string_variable);

Where:

• cin: standard input stream object
• string_variable: string variable that stores the input string

Example:

#include  #include  using namespace std; int main() { string input_string; getline(cin, input_string); cout << "输入的字符串为：" << input_string << endl; return 0; }

Run the above code, prompt the user to enter a string, and then output the entered string.

2. cin >> operator

cin >> operator is used to read a single word or space-delimited characters from the standard input stream string. It ignores leading spaces until the first non-space character is encountered. The syntax is as follows:

cin >> string_variable;

#include  #include  using namespace std; int main() { string input_string; cin >> input_string; cout << "输入的字符串为：" << input_string << endl; return 0; }