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C Language > Learn C Language > Do array subscripts always start with zero?
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Do array subscripts always start with zero?

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GeeksForGeeks

In C language array will always starts with index 0, while there are some other languages which offers 1 as the lower index and also some languages have user defined lower and upper bounds, refer to wiki for more details : https://en.wikipedia.org/wiki/Comparison_of_programming_languages_(array) The...
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In C language array will always starts with index 0, while there are some other languages which offers 1 as the lower index and also some languages have user defined lower and upper bounds, refer to wiki for more details : https://en.wikipedia.org/wiki/Comparison_of_programming_languages_(array) The technical reason is that C is supposed to be an efficient language. Arrays are stored in contiguous memory locations. So let say, starts at address 1000, the first element of the array will be at 1000. So, if we have indices starting at 1, the compiler would have to subtract one before it can find the actual memory address of the element , Address of an element : baseaddress + ((index-1) * sizeof(element)). In the case of 0-based indices, there is no need to subtract anything, because baseaddress + (index * sizeof(element)) gives us the appropriate address. read less
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Thanks for the question Avishkar, Yes, array subscripts always starts with zero. Thank You, Team DishaaPro
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Professional Tutor with 15 years of experience.

Yes. If you have an array a (in which MAX is some value known at compile time), the first element is a, and the last element is a. This arrangement is different from what you would find in some other languages. In some languages, such as some versions of BASIC, the elements would be a through a, and...
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Yes. If you have an array a[MAX] (in which MAX is some value known at compile time), the first element is a[0], and the last element is a[MAX-1]. This arrangement is different from what you would find in some other languages. In some languages, such as some versions of BASIC, the elements would be a[1] through a[MAX], and in other languages, such as Pascal, you can have it either way. read less
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Professional Trainer

Yes, it is a always starts with Zero index to Arraysize-1. If arrasize is 100 then index or subscript of array will be 0 to 99. Mostly all languages follow the same rule like C, C++, Java, C#, etc.
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Training Centre

Yes, array subscripts or indexing is always starts with zero.
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Professional Tutor with 15 years of experience.

Yes. , the first element is a,ie array subscript always starts with zero
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Computer Science Tutor

It purely depends on the programming language. C, C#, Java all provide array indices starting from zero (0). COBOL, FORTRAN, ALGOL etc. languages provide array indices starting from 1.
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Technology expert

yes
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IT Professional Trainer with above 15 years of experience into software IT training

Yes in C Language array subscripts always starts with zero
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website and mobile application development training, digital marketing training

yes, as it is quite logical.
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