SirodgevAlexander_'s blog

By SirodgevAlexander_, history, 20 months ago, In Russian

1722E - Считаем прямоугольники 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(((