Mines: imathematika yokucofa ngakunye
Kwi-Mines ukhetha inani leemines ezifihliweyo kwigridi ye-5×5 uvule iithayile nganye nganye: ithayile nganye ekhuselekileyo inyusa isiphinda-phindo, imine ithatha isibheje. Amathuba oshukumo ngalunye anokubalwa ngokuchanekileyo.
Isibali
Ifomula
Ngee-mines ezi-m phakathi kweethayile ezingama-25, amathuba okuba iithayile ezi-k zokuqala ozivulayo zikhuselekile zonke linani leendlela zokukhetha ezi-k kwiithayile ezi-25 − m ezikhuselekileyo, zahlulwe ngenani leendlela zokukhetha ezi-k kuzo zonke iithayile ezingama-25:
P(k safe) = C(25 − m, k) ÷ C(25, k)
Umdlalo one-97% RTP uhlawula u-0.97 ohlulwe ngala mathuba. Ngomzekelo, ngee-mines ezi-3 neethayile ezi-5, amathuba ngu-49.6% kwaye isiphinda-phindo ngu-1.96x. Amathuba aphinda-phindwe ngentlawulo ahlala efikelela ku-0.97, nokuba inani lee-mines okanye ukucofa lingakanani.
| IMines | Iitayile ezivuliweyo | Amathuba okuba zonke zikhuselekile | Isiphinda-phindo (iRTP ye-97%) |
|---|---|---|---|
| 1 | 1 | 96.0% | 1.01x |
| 1 | 2 | 92.0% | 1.05x |
| 1 | 3 | 88.0% | 1.10x |
| 1 | 5 | 80.0% | 1.21x |
| 1 | 10 | 60.0% | 1.62x |
| 3 | 1 | 88.0% | 1.10x |
| 3 | 2 | 77.0% | 1.26x |
| 3 | 3 | 67.0% | 1.45x |
| 3 | 5 | 49.6% | 1.96x |
| 3 | 10 | 19.8% | 4.90x |
| 5 | 1 | 80.0% | 1.21x |
| 5 | 2 | 63.3% | 1.53x |
| 5 | 3 | 49.6% | 1.96x |
| 5 | 5 | 29.2% | 3.32x |
| 5 | 10 | 5.65% | 17.16x |
| 10 | 1 | 60.0% | 1.62x |
| 10 | 2 | 35.0% | 2.77x |
| 10 | 3 | 19.8% | 4.90x |
| 10 | 5 | 5.65% | 17.16x |
| 10 | 10 | 0.09% | 1 055.84x |
Akukho thayile 'ekhuslekileyo' ngaphezulu
IiMines zibekwa ngokungahleliwe kwijikelezo ngalinye. Iikona, iidayagonali okanye 'iithayile ezihlawule kwijikelezo elidlulileyo' azitshintshi amathuba, kwaye ii-app ezithi zibonisa apho ii-mines zikhoyo ziingcambu, njenge-izixhobo zokuxela kwangaphambili zomdlalo wokuphuka.
Okutshintshwa ziiminines ezininzi
Ii-mines ezininzi zithetha iziphinda-phindo ezinkulu kunye nelahleko rhoqo. Ixabiso eliphakathi alitshintshi: lihlala liyi-3% yebheji nganye. Jonga oku kuthetha ntoni ngeyure kwi-isibali sexabiso lokudlala.
Iziphinda-phindo zokwenyani zinokujikelezwa okanye zithintelwe ngowona mncinci wokuphumelela; jonga imithetho yomdlalo owudlalayo.