C - Operators and Expressions
What is the output of the following code?
int a = 10;
a += 5;
a -= 3;
printf("%d", a);
What is the output of the following code?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate after first operation 'a += 5;'
Starting with a = 10, adding 5 gives a = 15.Step 2: Calculate after second operation 'a -= 3;'
Subtracting 3 from 15 gives a = 12.Final Answer:
12 -> Option CQuick Check:
10 + 5 - 3 = 12 [OK]
Quick Trick: Apply each operator step-by-step to track value [OK]
Common Mistakes:
- Adding and subtracting in wrong order
- Confusing '+=' and '-=' effects
- Ignoring initial value of variable
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