Question

How many Iterations will this while loop perform? int ico), j(10); cout << "i = " << i << endl; cout << "j = " << j << endl; while (i > j) { cout << "j-" « j << endl; j += 2; cout << "i = " << i << endl; } cout << "i = << i << endl; cout << "j = " << j << endl; 5 6 C 8 10 Infinite times

Answer 1

Ans) option A

Explaination:- The while loop will run 0 times as the value of i=0 and j = 10. The conditon of the loop is while(i>j). Here the value of i is less than j, so the loop will not get executed.

Ans) True

Explaination:- There is a syntax error in the code. The scope of variable i is limited to the for loop as it is declared inside the loop. So, accessing it after the loop to print i,e cout<<i will give an error that the variable is out of scope.

Compile Errors : prog.cpp: In function 'int main()': prog.cpp:9:8: error: 'i' was not declared in this scope cout<<i<<endl; Time(sec): 0.25 Memory(MB): 0.25 Output: No Output

Ans) for( int k(1) ; k<=6;k++)

Explaination:- This for loop is equivalent to the while loop given. The for loop wil start with k=1 and run the loop till k=6 and increment the value of k after each iteration.

Ans) 4 times

Explaination:- The outer while loop wil run for 4 times and the inner while loop will print " j is 2" one time each. Therefore total times will be 4*1= 4.

L.lı Result $g++ -o main *.cpp $main Execute 1 > Share main.cpp STDIN 1 #include <iostream> 2 using namespace std; 3 4 int main() { 5 int i(1); 6 7 while(i<=4){ 8 9 cout<<"i is "«<i<<endl; 10 11 int j(1); 12 while(j<=2){ 13 cout<<"j is "<<j«<endl; 14 j++; 15 } 16 17 18 return; 19} i is 1 jis 1 jis 2 i is 2 jis 1 jis 2 i is 3 j is 1 j is 2 i is 4 j is 1 jis 2 i++; }