C | Storage Classes and Type Qualifiers | Question 18
Output of following program
Explanation: Since s is static, different values of i are added to it one by one.
So final value of s is
s = i + (i-1) + (i-2) + … 3 + 2 + 1.
The value of s is i*(i+1)/2. For i = 10, s is 55.
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