| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| ilo | Iloczyny Fibonacciego [A] | pa a r3 2019 | 9 | 77% | 87 |
| ilu | I_love_%username% / Codeforces / A | 123 | 94% | 95 | |
| ilp | Ilość przejazdów | 8 | 37% | 70 | |
| imp | Impreza krasnali 2 | 1 | 100% | 100 | |
| imp | Impreza | 21 | 66% | 91 | |
| imp | Impreza | main2 trening_prog | 5 | 60% | 60 |
| imp | Impreza | math Łatwe | 384 | 63% | 67 |
| imp | Impreza | oi 32 e3 d1 | 60 | 26% | 47 |
| I | Impreza ICPC | mitm sqrt structs amppz Bardzo trudne | 2 | 50% | 55 |
| inf | Informatyk | 191 | 66% | 84 | |
| inn | Inny przodek | 1 | 0% | 0 | |
| inn | Inny przodek | 46 | 95% | 96 | |
| inn | Inny przodek | 0 | |||
| is | Instrukcje Shuruppaka | 98 | 86% | 90 | |
| int | int | 97 | 94% | 94 | |
| intdiv | intdiv | 2 | 100% | 100 | |
| idr | Interesting Drink / Codeforces | 64 | 98% | 99 | |
| intervals | Polskie drogi | 9 | 0% | 6 | |
| intervals | intervals | 0 | |||
| inw | Inwersje | 103 | 63% | 77 |