is my algorithm correct?

Revision ru1, by SirodgevAlexander_, 2022-09-05 13:34:09

1722E - Counting Rectangles 170321518 Hello! Was trying to solve this problem but get stuck. What i do? i create vector pair to contain data. then i sort it. create vector for prefix sum. then i am trying to find frist and last position, where height and widght allowed. then i minus from r position l — 1 position. and it dont work(((

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ru1 Russian SirodgevAlexander_ 2022-09-05 13:34:09 369 Первая редакция (опубликовано)