| Educational Round 1 | http://mirror.codeforces.com/contest/598 |
| Educational Round 2 | http://mirror.codeforces.com/contest/600 |
| Educational Round 3 | http://mirror.codeforces.com/contest/609 |
| Educational Round 4 | http://mirror.codeforces.com/contest/612 |
| Educational Round 5 | http://mirror.codeforces.com/contest/616 |
| Educational Round 6 | http://mirror.codeforces.com/contest/620 |
| Educational Round 7 | http://mirror.codeforces.com/contest/622 |
| Educational Round 8 | http://mirror.codeforces.com/contest/628 |
| Educational Round 9 | http://mirror.codeforces.com/contest/630 |
| Educational Round 10 | http://mirror.codeforces.com/contest/632 |
| Educational Round 11 | http://mirror.codeforces.com/contest/652 |
| Educational Round 12 | http://mirror.codeforces.com/contest/660 |
| Educational Round 13 | http://mirror.codeforces.com/contest/665 |
| Educational Round 14 | http://mirror.codeforces.com/contest/678 |
| Educational Round 15 | http://mirror.codeforces.com/contest/691 |
| Educational Round 16 | http://mirror.codeforces.com/contest/702 |
| Educational Round 17 | http://mirror.codeforces.com/contest/710 |
| Educational Round 18 | http://mirror.codeforces.com/contest/762 |
| Educational Round 19 | http://mirror.codeforces.com/contest/792 |
| Educational Round 20 | http://mirror.codeforces.com/contest/797 |
| Educational Round 21 | http://mirror.codeforces.com/contest/803 |
| Educational Round 22 | http://mirror.codeforces.com/contest/808 |
| Educational Round 23 | http://mirror.codeforces.com/contest/813 |
| Educational Round 24 | http://mirror.codeforces.com/contest/817 |
| Educational Round 25 | http://mirror.codeforces.com/contest/818 |
| Educational Round 26 | http://mirror.codeforces.com/contest/825 |
| Educational Round 27 | http://mirror.codeforces.com/contest/837 |
| Educational Round 28 | http://mirror.codeforces.com/contest/845 |
| Educational Round 29 | http://mirror.codeforces.com/contest/846 |
| Educational Round 30 | http://mirror.codeforces.com/contest/863 |
| Educational Round 31 | http://mirror.codeforces.com/contest/873 |
| Educational Round 32 | http://mirror.codeforces.com/contest/884 |
| Educational Round 33 | http://mirror.codeforces.com/contest/888 |
| Educational Round 34 | http://mirror.codeforces.com/contest/893 |
| Educational Round 35 | http://mirror.codeforces.com/contest/903 |
| Educational Round 36 | http://mirror.codeforces.com/contest/911 |
| Educational Round 37 | http://mirror.codeforces.com/contest/915 |
| Educational Round 38 | http://mirror.codeforces.com/contest/920 |
| Educational Round 39 | http://mirror.codeforces.com/contest/938 |
| Educational Round 40 | http://mirror.codeforces.com/contest/946 |
| Educational Round 41 | http://mirror.codeforces.com/contest/954 |
| Educational Round 42 | http://mirror.codeforces.com/contest/961 |
| Educational Round 43 | http://mirror.codeforces.com/contest/962 |
| Educational Round 44 | http://mirror.codeforces.com/contest/976 |
| Educational Round 45 | http://mirror.codeforces.com/contest/985 |
| Educational Round 46 | http://mirror.codeforces.com/contest/990 |
| Educational Round 47 | http://mirror.codeforces.com/contest/1000 |
| Educational Round 48 | http://mirror.codeforces.com/contest/1009 |
| Educational Round 49 | http://mirror.codeforces.com/contest/1016 |
| Educational Round 50 | http://mirror.codeforces.com/contest/1027 |
| Educational Round 51 | http://mirror.codeforces.com/contest/1036 |
| Educational Round 52 | http://mirror.codeforces.com/contest/1051 |
| Educational Round 53 | http://mirror.codeforces.com/contest/1065 |
| Educational Round 54 | http://mirror.codeforces.com/contest/1073 |
| Educational Round 55 | http://mirror.codeforces.com/contest/1076 |
| Educational Round 56 | http://mirror.codeforces.com/contest/1082 |
| Educational Round 57 | http://mirror.codeforces.com/contest/1093 |
| Educational Round 58 | http://mirror.codeforces.com/contest/1096 |
| Educational Round 59 | http://mirror.codeforces.com/contest/1101 |
| Educational Round 60 | http://mirror.codeforces.com/contest/1107 |
| Educational Round 61 | http://mirror.codeforces.com/contest/1117 |
| Educational Round 62 | http://mirror.codeforces.com/contest/1132 |
| Educational Round 63 | http://mirror.codeforces.com/contest/1140 |
| Educational Round 64 | http://mirror.codeforces.com/contest/1155 |
| Educational Round 65 | http://mirror.codeforces.com/contest/1156 |