C++ Data structure question, pleaze help me quickly, I'm in an exam.
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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C++ Data structure question, pleaze help me quickly, I'm in an exam. ?
![What function does return the index of the first
occurrence of x in an array-based list? (Note: If x is
not found, the function shall return -1)
int sequentialSearch(int x) {
for (int i = length; i >= 0; i--) {
if (items[i] == x) return i;
}
return -1;
}
int sequentialSearch(int x) {
for (int i = length - 1; i >= 0; i--) {
if (items[i] == x) return i;
return -1;
}
int sequentialSearch(int x) {
for (int i = 0; i <= length; i++) {
if (items[i] == x) return i;
}
return -1;
}
int sequentialSearch(int x) {
for (int i = 0; i < length; i++) {
if (items[i] == x) return i;
return -1;](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1391af71-96fe-4a4f-9a36-ce95930e690e%2F7f9d5f8d-6d67-4717-86a9-0226cae36fe4%2Fo0dz2bu_processed.jpeg&w=3840&q=75)
Transcribed Image Text:What function does return the index of the first
occurrence of x in an array-based list? (Note: If x is
not found, the function shall return -1)
int sequentialSearch(int x) {
for (int i = length; i >= 0; i--) {
if (items[i] == x) return i;
}
return -1;
}
int sequentialSearch(int x) {
for (int i = length - 1; i >= 0; i--) {
if (items[i] == x) return i;
return -1;
}
int sequentialSearch(int x) {
for (int i = 0; i <= length; i++) {
if (items[i] == x) return i;
}
return -1;
}
int sequentialSearch(int x) {
for (int i = 0; i < length; i++) {
if (items[i] == x) return i;
return -1;
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