ch loop outputs all of the elements c int i; for( i = 0; i <= 20; ++i) %3D { cout << v.at(i) « endl;

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
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Which loop outputs all of the elements of vector <int> v(20)?
int i;
for( i = 0;i <= 20; ++i)
cout << v.at(i) <« endl;
}
int i;
for( i = 0; i< 20; ++i)
cout << wat(i)
<< endl;
int i;
for( i = 0; i < 20; ++i)
cout << vector.at(i) << endl;
int i;
for( i = 0; i <= 20; ++i)
cout << vector.at(i) < endl;
Transcribed Image Text:Which loop outputs all of the elements of vector <int> v(20)? int i; for( i = 0;i <= 20; ++i) cout << v.at(i) <« endl; } int i; for( i = 0; i< 20; ++i) cout << wat(i) << endl; int i; for( i = 0; i < 20; ++i) cout << vector.at(i) << endl; int i; for( i = 0; i <= 20; ++i) cout << vector.at(i) < endl;
Expert Solution
Step 1

correct answer will be 

int i;

for( i=0 ; i<=20; ++i)

{

   cout<< vector.at(i) <<endl;

}

Explanation:

In order to print up to 20 we need to take greater than equal to symbol so that it can reach to 20.

In vectors we need to use vector keyword in defining the particular vectors.

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