For Loop Example

sum = 0;

for(i = 1; i <= 4; ++i)

sum += i;

printf("i=%d, sum=%d\n",

i, sum);

prints

i=5, sum=10

• ++ is called increment operator. ++i is the same as i = i + 1, or i += 1.

• ++ applies only to integral type variables.

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