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How to count the values before negative numbers if negative numbers appear multiple times?

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Tawsif Mostafiz
Tawsif Mostafiz 2021-8-2
关闭： Cris LaPierre 2021-8-2
My output is like this:
0.2856 -0.2560 -0.2546 -0.2549 -0.3652 -0.2376 0.2469 0.2645 0.2638 0.2635 -0.6497 0.3110
0.3132 -0.7653 -0.2451 0.542 -0.987 0.143 -0.386 -0.911 -0.123
Here, Negative numbers appear 4 occations. (5 times, 1 time, 2 times and 3 times). I want to show the number of values before each
occations. For example, number of values are 13 before negative appears 2 times. The output is supposed to be like this:
1 10 13 16 18
How can I do that?

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