Cumulative Sum

The array {1, 2, 3, 4} is given. Print the running (cumulative) sum: each output value is the sum of all elements up to and including that position, separated by single spaces:

1 3 6 10

So 1, then 1+2=3, then 3+3=6, then 6+4=10. There is no trailing space.

Expected Output:

1 3 6 10

Topics:

Arrays

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