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Sum from 1 to N

Write a function int sumTo(int n) that returns the sum of all integers from 1 to n (1 + 2 + ... + n).

For sumTo(5) the program prints 15.

Expected Output:

15

= newline. The output ends with a newline — print one after the last line.

Hints4 available
Topics:
Functions
1
Tab to indent (Esc then Tab to move on) · Ctrl+Enter to run · Shift+Alt+F to format · Ctrl+Space to expand shortcuts (cout, fori)

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