Tasks are here: https://ioi2023.hu/tasks/
You can solve all IOI 2023 Day 2 tasks here: https://oj.uz/problems/source/645
In case you want to solve it in 5 hours, you can try our unofficial mirror here: https://oj.uz/contest/view/IOI2023DAY2
Also, you will be able to solve it on Codeforces archive (https://ioi.contest.codeforces.com/) soon.
Currently the translations of the tasks are not provided, but we will upload it after it's available.
Related post: IOI 2023 Day 1 Tasks & Unofficial mirror