What will be the output of the following code?string str = "abcdef";cout << str.substr(2, 3);"abc""def""cde""bcd"
Question
What will be the output of the following code?
string str = "abcdef";
cout << str.substr(2, 3);
"abc"
"def"
"cde"
"bcd"
Solution
The output of the code will be "cde".
Here's the step by step explanation:
-
The
substrfunction in C++ is used to get a substring from a string. It takes two parameters: the starting index and the length of the substring. -
In the given code,
str.substr(2, 3)is called. Here, 2 is the starting index and 3 is the length of the substring. -
The string is "abcdef", and the indices start from 0. So, the character at index 2 is 'c'.
-
The length of the substring is 3, so it includes the characters at indices 2, 3, and 4. These characters are 'c', 'd', and 'e', respectively.
-
Therefore, the substring is "cde", and that's what gets printed out.
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