What is an array in C?

An array stores many values of the same data type in continuous memory. Each value is reached with an index, and the index starts from 0.

#include <stdio.h>

int main(void) {
    int marks[3] = {70, 85, 90};

    printf("%d %d\n", marks[0], marks[2]);
    return 0;
}

Output:

C does not check the array limits, so reading marks[5] is a bug. See C Arrays.

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