What will be the output of the following pseudocode?Integer a, b, cSet a = 1, b = 1for(each c from 4 to 7) if(a > c ) a = a - 1 Jump out of the loop Else a = a + c if(c) a = a + 1 End if End if End for Print a + b[Note: If(x) gets executed if the value inside if(), i.e., x is not zero.]
Question
What will be the output of the following pseudocode?Integer a, b, cSet a = 1, b = 1for(each c from 4 to 7) if(a > c ) a = a - 1 Jump out of the loop Else a = a + c if(c) a = a + 1 End if End if End for Print a + b[Note: If(x) gets executed if the value inside if(), i.e., x is not zero.]
Solution
The pseudocode initializes two variables a and b to 1. Then it enters a loop where it iterates over the values 4 to 7 (inclusive) for the variable c.
In the first iteration, c is 4. The condition a > c is false because a is 1 and c is 4. So, it goes to the else part where it adds c to a, making a = 1 + 4 = 5. Then it checks if c is not zero, which is true because c is 4. So, it increments a by 1, making a = 5 + 1 = 6.
In the second iteration, c is 5. The condition a > c is false because a is 6 and c is 5. So, it goes to the else part where it adds c to a, making a = 6 + 5 = 11. Then it checks if c is not zero, which is true because c is 5. So, it increments a by 1, making a = 11 + 1 = 12.
In the third iteration, c is 6. The condition a > c is false because a is 12 and c is 6. So, it goes to the else part where it adds c to a, making a = 12 + 6 = 18. Then it checks if c is not zero, which is true because c is 6. So, it increments a by 1, making a = 18 + 1 = 19.
In the fourth and final iteration, c is 7. The condition a > c is false because a is 19 and c is 7. So, it goes to the else part where it adds c to a, making a = 19 + 7 = 26. Then it checks if c is not zero, which is true because c is 7. So, it increments a by 1, making a = 26 + 1 = 27.
After the loop, it prints the sum of a and b, which is 27 + 1 = 28. So, the output of the pseudocode is 28.
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