Consider this alogrithm: // pre: array A of length n, each A[i] is picked randomly uniformly // from the set {0,1,2,3,4,5,6,7,8,9). // post: return the index of the first occurrence of "check digit" of A // (already computed in the code) // return -1 if check digit is not found int FindCheckDigit(A) { 1 check_digit = 0 2 for (i=0; i < n; i++) 3 456700 check_digit = check_digit = check_digit+ A[i] check_digit % 10 %3 % means remainder of division for (i = 0; i < n; i++) { 8 } if (A[i] == } check_digit) { return i 9 } return -1; Compute the average runtime for this algorithm. Show all details of your com- putation for both loops.
Consider this alogrithm: // pre: array A of length n, each A[i] is picked randomly uniformly // from the set {0,1,2,3,4,5,6,7,8,9). // post: return the index of the first occurrence of "check digit" of A // (already computed in the code) // return -1 if check digit is not found int FindCheckDigit(A) { 1 check_digit = 0 2 for (i=0; i < n; i++) 3 456700 check_digit = check_digit = check_digit+ A[i] check_digit % 10 %3 % means remainder of division for (i = 0; i < n; i++) { 8 } if (A[i] == } check_digit) { return i 9 } return -1; Compute the average runtime for this algorithm. Show all details of your com- putation for both loops.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Consider this alogrithm:
// pre: array A of length n, each A[i] is picked randomly uniformly
// from the set {0,1,2,3,4,5,6,7,8,9}.
// post: return the index of the first occurrence of "check digit" of A
// (already computed in the code)
// return -1 if check digit is not found
int FindCheckDigit(A) {
check_digit = 0
for (i=0; i < n; i++)
check_digit = check_digit + A[i]
check_digit = check_digit % 10 # % means remainder of division
for (i = 0; i < n; i++) {
if (A[i] == check_digit) {
return i
}
}
return -1;
}
Compute the average runtime for this
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