list of problems
| < Previous | 1 | 2 | Next |
| ID | NAME | CODE | USERS | ACC % |
|---|---|---|---|---|
| 8671 | Short Prime Permutations | SPRIMPER | 17 | 56.99 |
| 8677 | Brightness | BRIGHT | 25 | 55.09 |
| 8731 | Waiting for Easter | EASTER | 20 | 76.22 |
| 8789 | Find the cross | XFIND | 14 | 60.49 |
| 8919 | Remove the Balls | BALLSREM | 10 | 61.71 |
| 8950 | Grid points | GRIDPNT | 14 | 58.17 |
| 9029 | The next and the previous palindrome | NEXTPREV | 37 | 42.38 |
| 9049 | Different sums | DIFFSUMS | 9 | 73.27 |
| 9068 | Continued fraction | CONTFRAC | 20 | 77.58 |
| 9159 | Legendre symbol | LEGENDRE | 18 | 67.07 |
| 9174 | Counting red squares | BOARD | 23 | 60.28 |
| 9337 | Point in tetrahedron | TETRAHE1 | 11 | 82.09 |
| 9465 | Spectrum of colours | SPECTRUM | 17 | 82.35 |
| 21015 | Clock problems | CLOCKPRO | 3 | 37.93 |
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