| Volume100 | Problem set from courses |
| Volume0 | All-Japan High School Programming Contest |
| Volume1 | All-Japan High School Programming Contest |
| Volume2 | All-Japan High School Programming Contest |
| Volume5 | Japanese Olympiad in Informatics |
| Volume10 | |
| Volume11 | ACM-ICPC Japan Domestic Contest |
| Volume12 | |
| Volume13 | |
| Volume15 | |
| Volume20 | ACM-ICPC Japanese Alumni Group, etc |
| Volume21 | ACM-ICPC Japanese Alumni Group, etc |
| Volume22 | ACM-ICPC Japanese Alumni Group, etc |
| Volume23 | ACM-ICPC Japanese Alumni Group, etc |
| Volume24 | ACM-ICPC Japanese Alumni Group, etc |
