Programmer Group

catalogue Array description Definition of one-dimensional array Initialization of one-dimensional array Definition of two-dimensional array Reference to two-dimensional array elements Multidimensional array Character arrays and strings Character array character string 2D string array Array description Array is one of the construc ...

28. Simple difficulty: passing rate 40% explain: What value should we return when need is an empty string? This is a good question in the interview. For this problem, we should return 0 when need is an empty string. This is consistent with the C language's str () and Java's indexOf() definitions. Question to charity: haystack and need are onl ...

String declaration Double quotation marks, single quotation marks, three single quotation marks, three double quotation marks There are double quotation marks inside and single quotation marks outside There are single quotation marks inside and double quotation marks outside Or use escape characters #character string m='hello' n="hello" #Ther ...

Arrays and strings are essentially the same. They all correspond to a continuous piece of memory. In C language, a string is an unsigned char ending in a number zero   Array, that is, Rust's u8 array. C language array is a pointer. As for the size of the array, it is up to the programmer to manage it. The advantage of this is that the gra ...