Array in C++ Online Coaching in Ahmedabad tccicomputercoaching.com
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Array is collection of more than one data at same location of same type.
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Syntax:
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data type name[size];
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This will create memory of specified size-data.
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For
example,
an
array
containing
type int called rn could be represented as: •
int rn[4];
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In array memory always start from 0.
4
integer
values
of
tccicomputercoaching.com Initializing arrays •
By default, regular arrays of local scope (for example, those declared within a function) are left uninitialized. This means that none of its elements are set to any particular value; their contents are undetermined at the point the array is declared.
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But the elements in an array can be explicitly initialized to specific values when it is declared, by enclosing those initial values in braces {}. For example:
tccicomputercoaching.com Accessing the values of an array •
marks[2] = 75;
EXAMPLE • • • • • • • • •
#include <iostream> using namespace std; int MARKS[] = {16, 2, 77, 40, 12071}; int n, result=0; int main () { for ( n=0 ; n<5 ; ++n ) { result += foo[n]; } cout << result; return 0; }
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