Write a regular expression that matches the day of year such as "1-1-2018" or "7/4/1776". Dates like "9-31-1955", "3/29-2018", and"5-28/1956" should not be matched. time). Edit View Insert Format Tools Table
Write a regular expression that matches the day of year such as "1-1-2018" or "7/4/1776". Dates like "9-31-1955", "3/29-2018", and"5-28/1956" should not be matched. time). Edit View Insert Format Tools Table
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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
Transcribed Image Text:Question 10
Write a regular expression that matches the day of year such as "1-1-2018" or "7/4/1776". Dates like "9-31-1955", "3/29-2018", and"5-28/1956" should not be matched.
time).
Edit View Insert Format Tools Table
12pt v
Paragraph v BIU A
To
!!!

Transcribed Image Text:Question 11
What will be the possible outputs for the following program before the lines a, b and c? Format your answer this way:
Line a:
" Outputis) here
Line b:
" Outputis) here
Line c
I Outputis) here
#include <iostream
#include <thread
#include <mutex>
using namespace std;
mutex ml;
mutex m2;
void funcA() {
for (int i = 0; i < 3; i++)
cout « i;
void funcB() {
uni que_lockamutex 1(m1);
for (int i = 6; i < 9; i++){
if (i == 8)
return;
cout <« i;
void funcC) {
m2. lock();
for (int i = 3;i < 6; i++)
cout <« i;
int main ) {
thread thi(funcA);
thread th2(funcA);
th1.join(); th2.join(); // a
thread th3(funcB);
thread th4(funcB);
th3. join(); th4.join(); // b
thread th5(funcC);
thread th6(funcC);
th5. join(); th6.join(); // c
return 0;
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