• Stats
• /
• Class

Class

Class is a grade that can be obtained by solving problems curated by solved.ac. If you acquire Class, you can receive up to 250 bonus ratings.

• Reference: Guide Tiers and AC Rating

Classes

There are a total of 10 Classes. Each Class has 36-48 problems predetermined by solved.ac. By solving the number of problems corresponding to the acquisition condition of each Class, you can acquire that Class.

• To acquire Class 9 and 10, you must acquire the previous Class.

• Class 1: A stage to help beginners in problem solving become familiar with problem solving
• Class 2: A stage where you need to solve problems using basic data structures, algorithms, and computational thinking
• Class 3–4: A stage where you need to solve problems using data structures, algorithms, and computational thinking at the undergraduate level of computer science used in coding tests and the industry
• Class 5–6: A stage where you need to solve problems using various basic knowledge that appears in programming contests
• Class 7–10: A stage where you need to solve problems using advanced knowledge that appears in programming contests

Decorations

If you meet certain conditions, decorations will be added to the acquired Class.

When you acquire a decoration, the Class will be displayed as $x$⁺(Silver) or $x$⁺⁺(Gold) instead of $x$ on ranking pages and some other pages. There are no bonus ratings.

Essential Problems

Among the problems in the Class, problems considered important are called Essential Problems. When you solve all Essential Problems, a decoration will be added.