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Main Page → Exercises → C++ → Solve an Exercise

Language/Type: C++ string

Given the following variable declarations:

// index       0123456789012345678901234
string s1   = "Snoop Dogg";
string s2   = "Marshall 'Eminem' Mathers";
string s3   = s2.substr(18);
string book = "Art & Science of C++";

Give the results of the following expressions. Recall that the C++ string function find returns the special constant value string::npos when the substring is not found. Make sure to indicate a value of the proper type (e.g. strings in " " quotes, char in ' ' apostrophes).

`s1.length()`
`s2.length()`
`s1[4]`
`s2[13]`
`s1.find("o")`
`s2.find("x")`
`s1.substr(6, 3)`
`s2.substr(21)`
`book.substr(6, 6)`
`toLowerCase(s3)`

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