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Hot problems
| Problem | Category | Points | AC % | Users ▾ |
|---|---|---|---|---|
| Is Prime | ICS3 & ICS4 | 3 | 37.1% | 250 |
| Greatest Common Divisor | ICS3 & ICS4 | 3 | 63.6% | 235 |
| Sum Digits | ICS3 & ICS4 | 3 | 66.0% | 230 |
| Display Digits | ICS3 & ICS4 | 3 | 44.5% | 228 |
| Cube Sum | ICS3 & ICS4 | 3 | 65.6% | 225 |
| Group Assignment | ICS3 & ICS4 | 3 | 55.9% | 223 |
| Math Tutor | ICS3 & ICS4 | 3 | 33.0% | 219 |
| Vowel Counter | ICS3 & ICS4 | 3 | 43.9% | 217 |
| Guessing Game | ICS3 & ICS4 | 3 | 26.2% | 215 |
| Car Payment | ICS3 & ICS4 | 3 | 49.5% | 212 |
| Exponent Calculation | ICS3 & ICS4 | 3 | 60.0% | 211 |
| Password Checker | ICS3 & ICS4 | 3 | 24.6% | 211 |
| The Quadratic Equation | ICS3 & ICS4 | 3 | 18.7% | 210 |
| Trig Ratios | ICS3 & ICS4 | 3 | 41.0% | 207 |
| Investment Calculator | ICS3 & ICS4 | 3 | 30.2% | 207 |
| Necklace Problem | ICS3 & ICS4 | 4 | 40.9% | 197 |
| Change Calculator | ICS3 & ICS4 | 3 | 49.5% | 191 |
| String Remover | ICS3 & ICS4 | 4 | 20.2% | 188 |
| Monogram | ICS3 & ICS4 | 4p | 32.6% | 177 |
| Hello, World! | Uncategorized | 1 | 61.6% | 175 |
| Hi Lo | ICS3 & ICS4 | 3 | 24.5% | 170 |
| Digits Only | ICS3 & ICS4 | 3 | 47.2% | 150 |
| Date Formatting | ICS3 & ICS4 | 3 | 28.3% | 140 |
| String Methods | ICS3 & ICS4 | 3 | 43.0% | 132 |
| A Plus B | Uncategorized | 3p | 58.3% | 126 |
| A Minus B | Uncategorized | 3 | 48.2% | 124 |
| HTML Strings | ICS3 & ICS4 | 4 | 14.2% | 118 |
| Bacteria Colony | ICS3 & ICS4 | 7 | 36.3% | 107 |
| Attendance | Uncategorized | 3 | 39.1% | 89 |
| Digits Game | Uncategorized | 3 | 72.5% | 78 |
| Stalin Sort | Uncategorized | 3 | 38.7% | 76 |
| Graph Theory | Contest Problems | 1 | 82.1% | 68 |
| Multiple Integer Addition | Uncategorized | 4 | 73.1% | 63 |
| Quadrant Selection | Uncategorized | 3 | 71.7% | 63 |
| Range Sum Queries | Uncategorized | 5p | 45.3% | 61 |
| CCC '22 J1 - Cupcake Party | ICS3 & ICS4 | 3 | 52.9% | 59 |
| Continuous Digits Sum | Uncategorized | 5 | 26.6% | 53 |
| Mock CCC '19 Contest 1 J1 - Froggo the Frog | Contest Problems | 3p | 67.8% | 53 |
| Series Sum | Uncategorized | 5p | 31.7% | 51 |
| The Travelling Salesman | Uncategorized | 5 | 28.1% | 51 |
| Broken Soundboard | Uncategorized | 3 | 53.3% | 50 |
| Character Switch | Uncategorized | 1 | 58.9% | 50 |
| Simplified Sudoku | Uncategorized | 3 | 58.6% | 49 |
| TTC '18 Contest 1 P1 - Credit Score | Contest Problems | 3 | 72.0% | 49 |
| Typo | Uncategorized | 3 | 63.9% | 48 |
| A Binary Problem | Contest Problems | 3 | 46.0% | 48 |
| Graph Theory 2 | Contest Problems | 3 | 35.5% | 47 |
| Zeroes to the End | Uncategorized | 4 | 64.2% | 46 |
| Maintaining a Sequence | Uncategorized | 3p | 33.8% | 45 |
| Making an Easy Problem | Contest Problems | 3 | 67.9% | 45 |