Statement of the problem by Trinh Nguyen https://padlet.com/nguyenthikieutrinhhnue/rh6gspfp1cmauf0n en-us 2023-06-23 18:02:11 UTC 2025-05-06 16:47:38 UTC hello@padlet.com https://padlet.net/icons/8.0/png/270d.png Statement of the problem https://padlet.com/nguyenthikieutrinhhnue/rh6gspfp1cmauf0n/wish/3438347235 2025-05-06 16:31:49 UTC https://padlet.com/nguyenthikieutrinhhnue/rh6gspfp1cmauf0n/wish/3438347235