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ืžืฉื—ืง Java ืœืžืชื—ื™ืœื™ื

ืคื•ืจืกื ื‘ืงื‘ื•ืฆื”
ืฉืœื•ื ื—ื‘ืจื™ื ื•ืขืžื™ืชื™ื ืœืขืชื™ื“! ืžืฉื—ืง Java ืœืžืชื—ื™ืœื™ื - 1ืžืžืฉ ืœื ืžื–ืžืŸ ืขื‘ืจืชื™ ืžื‘ื—ืŸ ืœื”ืฉืชืชืฃ ื‘ืคืจื•ื™ืงื˜ ืืžื™ืชื™, ืขื‘ืจืชื™ ืื•ืชื•, ืื‘ืœ ื–ื” ืงืจื” ืฉื‘ื’ืœืœ ื ืกื™ื‘ื•ืช ืื™ืฉื™ื•ืช ืœื ื™ื›ื•ืœืชื™ ืœืงื—ืช ื—ืœืง ื‘-RP ืขืฆืžื•. ืื—ืจื™ ื‘ืขื™ื•ืช ืžืขื ื™ื™ื ื•ืช ื›ืžื• ืžื‘ื—ืŸ ื”-RP, ื‘ืขื™ื•ืช ื”ืงื•ืจืก ื”ืจื’ื™ืœื•ืช ื”ืคื›ื• ืœื‘ื™ืœื•ื™ ืคื—ื•ืช ืื˜ืจืงื˜ื™ื‘ื™, ื‘ืžื™ื•ื—ื“ ืฉืืช ืจื•ื‘ืŸ ื›ื‘ืจ ืคืชืจืชื™. ืœื›ืŸ, ื›ื“ื™ ืฉื”ื›ื™ืฉืจื•ืŸ ืฉืœื™ ืœื ื™ืชื‘ื–ื‘ื– ืœื”ืžืฉื™ืš ืœืœืžื•ื“, ื”ื—ืœื˜ืชื™ ืœื™ืฆื•ืจ ืžืฉื—ืง ืื™ื ื˜ืจื ื˜ ืžืจื•ื‘ื” ืžืฉืชืชืคื™ื. ืงื™ืฉื•ืจื™ื ืœืžืฉื—ืงื™ื ืื—ืจื™ื:
  1. ื”ืžืฉืš ืžืืžืจ ื–ื”
  2. 2048
ื˜ื™ืง ื˜ืง ื ืจืื” ืœื™ ื›ืžื• ื”ืžืฉื—ืง ื”ืคืฉื•ื˜ ื‘ื™ื•ืชืจ, ืื– ื”ื—ืœื˜ืชื™ ืœื—ืœืง ืืช ื”ืžืฉื™ืžื” ืœืžืกืคืจ ืžืฉื™ืžื•ืช ืžืฉื ื”:
  1. ืืคืœื™ืงืฆื™ื™ืช ืžืกื•ืฃ ืœื‘ื“ื™ืงืช ื”ื™ื’ื™ื•ืŸ ืžืฉื—ืง
  2. ืจื‘ ืžืฉืชืชืคื™ื
  3. ืฆื™ืจื•ืฃ ืžืกื“ ื ืชื•ื ื™ื ืฉืœ ื ื’ืŸ ืœื™ื™ืฉื•ื ืงื•ื ืกื•ืœื”
  4. ื™ืฆื™ืจืช ืขื™ืฆื•ื‘ ื—ื–ื™ืชื™, ื›ืชื™ื‘ืช ืชื‘ื ื™ื•ืช ื“ืคื™ื, ืžืžืฉืง ืžืฉื—ืง
  5. ืžื—ื‘ืจื™ื ืืช ื”ื›ืœ ื‘ื™ื—ื“
ื™ืฉ ืืคืฉืจื•ืช ืฉื™ื ื–ืจื• ื‘ื™ ืขืœ ืจืฆืฃ ื›ื–ื”, ื•ืกื‘ื™ืจ ืœื”ื ื™ื— ืฉื›ืœ ื”ืคืจื•ื™ืงื˜ื™ื ื”ืจืฆื™ื ื™ื™ื ื‘ื ื•ื™ื™ื ื‘ืจืฆืฃ ืื—ืจ ืœื’ืžืจื™, ืื ื™ ืืขื ื” ืžื™ื“, ืชื›ืชื•ื‘ ืขืœ ื–ื” ืคื•ืกื˜ "ืœืžืชื—ื™ืœื™ื" ื›ื“ื™ ืฉื›ื•ืœื (ื›ื•ืœืœ ืื ื™) ื™ื›ื•ืœ ืœืœืžื•ื“ ืืช ื–ื” :) ื•ื‘ื›ืŸ. ื‘ื•ืื• ื ืชื—ื™ืœ ืœื›ืชื•ื‘ ื™ื™ืฉื•ื ืงื•ื ืกื•ืœื”! ืื ื™ ืืขืงื•ื‘ ืื—ืจ ืื•ืชื ืฉืœื‘ื™ื ื›ืžื• ื”ืืชื’ืจื™ื ื”ื’ื“ื•ืœื™ื ืฉืœ ืจืžื” 20. ืžื” ื™ืฉ ื‘ืžืฉื—ืง ื˜ื™ืง-ื˜ืง?!
  1. ืฉื“ื”
  2. ืฉื ื™ ืฉื—ืงื ื™ื ืžืชื—ืœืคื™ื, ืื—ื“ ืžืขื‘ื™ืจ ื”ืฆืœื‘ื”, ื”ืฉื ื™ ืืคืก. ื–ื” ืคืฉื•ื˜.
ืื ื—ื ื• ื”ื•ืคื›ื™ื ืืช ื”ืฉื“ื” ืœืฉื“ื” 3x3 ืกื˜ื ื“ืจื˜ื™. ืื™ืš ืืคืฉืจ ืœืื—ืกืŸ ืฉื“ื” ื›ื–ื”? ื”ืืคืฉืจื•ืช ื”ืจืืฉื•ื ื” ื”ื™ื ืžืขืจืš ื“ื• ืžื™ืžื“ื™. ืื™ืœื• ืืœืžื ื˜ื™ื ืฆืจื™ืš ืœื”ื›ื™ืœ ืžืขืจืš ื–ื”? ื”ืชืฉื•ื‘ื” ื”ื™ื ืฉืื ื—ื ื• ืฆืจื™ื›ื™ื ืœื—ืฉื•ื‘ ืžื” ื ืขืฉื” ืขื ื”ืืœืžื ื˜ื™ื ื”ืืœื”, ื–ื” ืชืฆื•ื’ื” ื•ื”ืฉื•ื•ืื” ื›ื“ื™ ืœืžืฆื•ื ืืช ื”ืžื ืฆื—. ืื ื”ื™ื™ื ื• ืžืฆื™ื’ื™ื ืื•ืชื ืจืง ืขืœ ื”ืžืกืš, ืื– ื–ื” ื”ื™ื” ื”ื’ื™ื•ื ื™ ืœืฉืžื•ืจ ืื•ืชื ื›ืžื—ืจื•ื–ืช, ื•ืื– ื”ืžืขืจืš ืขืฆืžื• ื•ื”ืฆื’ืชื• ืขืœ ื”ืžืกืš ื‘ืœื•ืœืื” ื”ื™ื• ื ืจืื™ื ื‘ืขืจืš ื›ืš:
String[][] strings = {{"O", "O", "_"},
                    {"_", "X", "O"},
                    {"X", "X", "X"},
for (String [] ss : strings){
    for (String s : ss) System.out.print(s + " ");
    System.out.println(); //ะดะปั ะฟะตั€ะตะฒะพะดะฐ ัั‚ั€ะพะบะธ
}
ื”ืžืกืš ื™ืฆื™ื’:
O O _
_ X O
X X X
ืื‘ืœ ื‘ื ื•ืกืฃ ืœืชืฆื•ื’ื”, ื™ืฉ ืœื ื• ื’ื ื”ืฉื•ื•ืืช ืขืจื›ื™ื, ื•ื›ืืŸ ื›ื‘ืจ ืืคืฉืจื™ื•ืช ืืคืฉืจื•ื™ื•ืช. ืืชื” ื™ื›ื•ืœ ืœื”ืฉื•ื•ืช ืžื—ืจื•ื–ื•ืช, ืืชื” ื™ื›ื•ืœ ืœื™ืฆื•ืจ ืžื—ืœืงืช ืกืคื™ืจื” ืžื™ื•ื—ื“ืช ( enum), ืื‘ืœ ืื ื™ ืžืขื“ื™ืฃ ืœื”ืฉื•ื•ืช ืžืกืคืจื™ื, ื•ืœื”ื—ืœื™ืฃ ืื•ืชื ื‘-"X" ื•-"O" ืจืง ื›ืฉื”ื ืžื•ืฆื’ื™ื ืขืœ ื”ืžืกืš. ืชืŸ ืœื–ื” ืœื”ื™ื•ืช, ืœืžืฉืœ, 1 - "X", 2 - "O", 0 - "_". ืื– ืื™ืš ื‘ื•ื“ืงื™ื ืฉื“ื” ืขื‘ื•ืจ ื”ืชืืžืช X ืื• O ืžืฉื•ืœืฉืช?
ื”ืืœื’ื•ืจื™ืชื ื”ืจืืฉื•ืŸ ื”ื•ื ื‘ื“ื™ืงืช ื›ืœ ื”ืฉื“ื”
int[][] canvas = {{00, 01, 02},
                 {10, 11, 12},
                 {20, 21, 22}}
ืฉื™ืœื•ื‘ื™ื ืžื ืฆื—ื™ื:
00-01-02, 10-11-12, 20-21-22, 00-10-20, 01-11-21, 02-12-22, 00-11-22, 20-11-02 โ€” ะฒัะตะณะพ 8.
ื‘ื•ื“ืงื™ื ืขืœ ื™ื“ื™ ื”ืฉื•ื•ืืช ืžืกืคืจื™ื, ืื‘ืœ ืžืกืชื‘ืจ ืฉืฆืจื™ืš ืœื‘ื“ื•ืง ืืช ื›ืœ ื”ืฉื“ื”, ื›ืœ 8 ื”ืฉื™ืœื•ื‘ื™ื, ื‘ื›ืœ ืคืขื. ื›ืžื•ื‘ืŸ, ื–ื” ืœื ื”ืจื‘ื”, ื–ื” ืœื ื—ื™ืคื•ืฉ ืื—ืจ ืžืกืคืจื™ ืืจืžืกื˜ืจื•ื ื’ ื‘ื˜ื•ื•ื— ืฉื‘ื™ืŸ 0 ืœ-1 ืžื™ืœื™ืืจื“, ื™ืฉ ื›ืืŸ ืžืขื˜ ื™ื•ืชืจ ืžืืฉืจ ืื™ืŸ ื—ื™ืฉื•ื‘ื™ื, ืื‘ืœ ืืชื” ืขื“ื™ื™ืŸ ืจื•ืฆื” ืžืฉื”ื• ืื•ืคื˜ื™ืžืœื™ ื™ื•ืชืจ ืžืืฉืจ ืœื‘ื“ื•ืง ืืช ื›ืœ ื”ืชื—ื•ื. ื”ืจืขื™ื•ืŸ ื”ืฉื ื™ ืฉืขืœื” ืœื™ ื”ื™ื” ืœื‘ื“ื•ืง ืจืง ืืช ื”ืชื ืฉืกื•ืžืŸ ืขืœ ื”ืžื”ืœืš ื”ืงื•ื“ื, ื›ืš ืฉืขื“ื™ื™ืŸ ื ื•ื›ืœ ืœืงื‘ื•ืข ืืช ื”ืžื ืฆื—, ื›ื™ ื ื“ืข ืžื™ ื‘ื™ืฆืข ืืช ื”ืžื”ืœืš ื”ื–ื”. ื›ืš, ื‘ืžืงื•ื ื›ืœ 8 ื”ืฉื™ืœื•ื‘ื™ื, ื ืงื‘ืœ ืจืง 2, 3 ืื• 4 ืฉื™ืœื•ื‘ื™ื, ืชืœื•ื™ ื‘ืชื, ืจืื” ืืช ื”ืชืžื•ื ื”: ืžืฉื—ืง Java ืœืžืชื—ื™ืœื™ื - 2ืขื›ืฉื™ื• ืฆืจื™ืš ืœื”ื‘ื™ืŸ ืื™ืš ืœืงื‘ื•ืข ืื™ื–ื” ืฉื™ืœื•ื‘ ืฆืจื™ืš ืœื”ื™ื•ืช ืžื•ืฉืง? ื›ืืŸ ื”ื‘ื ืชื™ ืฉืฉื™ืžื•ืฉ ื‘ืžืขืจืš ื“ื• ืžื™ืžื“ื™ ืื™ื ื• ื ื•ื— ื‘ืžื™ื•ื—ื“. ื”ื—ืœื˜ืชื™ ืœื‘ื“ื•ืง ืืคืฉืจื•ื™ื•ืช ืื—ืจื•ืช. ื‘ื”ืชื—ืœื” ืขืœื” ืœื™ ื”ืจืขื™ื•ืŸ ืฉืืคืฉืจ ืœืฉืžื•ืจ ืืช ื”ืฉื“ื” ื‘ืžืกืคืจ ื‘ืŸ ืชืฉืข ืกืคืจื•ืช, ืœืžืฉืœ, ืื•ืชื• ืฉื“ื” ืฉื”ืฆื’ื ื• ืขืœ ื”ืžืกืš ื™ื›ื•ืœ ืœื”ื™ื›ืชื‘ ื›ืš: 220012111, ืื ื™ ืืกื‘ื™ืจ ื‘ืืฆื‘ืขื•ืชื™ ืžื” ื–ื” ื”ื•ื... ื”ืงื•ื“ ื–ื”ื”, 1 - "X", 2 - "O" , 0 โ€“ " ", ื›ืœื•ืžืจ 220012111 = "OO__XOXXX", ืื• ืื ืื—ืจื™ ื›ืœ ืกืคืจื” ืฉืœื™ืฉื™ืช ืืชื” ืžื›ื ื™ืก ืžืขื‘ืจ ืฉื•ืจื” ื•ืžื•ืกื™ืฃ ืจื•ื•ื—ื™ื ืขื‘ื•ืจ ื‘ึผึฐื”ึดื™ืจื•ึผืช:
ะž ะž _
_ ะฅ ะž
ะฅ ะฅ ะฅ
ื›ืืŸ ืฉื•ื‘, ื ื•ื— ืœืื—ืกื•ืŸ, ื”ื•ืžืฆื ืžื›ืฉื™ืจ ืœืชืฆื•ื’ื”, ืื‘ืœ ืœื ื ื•ื— ืœื”ืฉื•ื•ืื”! ื”ืคืชืจื•ืŸ ื ืžืฆื ื›ืฉืกื™ืคืจืชื™ ืืช ื”ืชืื™ื 1-9, ืื– ื—ืฉื‘ืชื™, ื›ื™ ื‘ืชื›ื ื•ืช ื”ืกืคื™ืจื” ืœืื—ื•ืจ ืžืชื—ื™ืœื” ืž-0 ื•ืžืžืกืคืจืช ืื•ืชื• ื›ืžื• ื‘ืชืžื•ื ื”.ืœื ืžืฉื—ืง Java ืœืžืชื—ื™ืœื™ื - 3ืฉืžืช ืœื‘ ืœืฉื•ื ืžื•ื–ืจื•ื™ื•ืช? ืื ืชืกืชื›ืœ ืขืœ ื”ืชืžื•ื ื” ืœืžืขืœื”, ื™ืชื‘ืจืจ ืฉืœืคืชืจื•ื ื•ืช ืขื 2 ืฆื™ืจื•ืคื™ื ื™ืฉ ืžืกืคืจ ืกื™ื“ื•ืจื™ ืื™ ื–ื•ื’ื™, ืœ-4 ืฆื™ืจื•ืคื™ื ื™ืฉ ืžืกืคืจ ืกื™ื“ื•ืจื™ 4, ืœ-3 ืฆื™ืจื•ืคื™ื ื™ืฉ ืืช ื”ืฉืืจ. ืื– ื”ื’ืขืชื™ ืœืžืกืงื ื” ืฉืฆืจื™ืš ืœืฉืžื•ืจ ืขืœ ืžื’ืจืฉ ื”ืžืฉื—ืงื™ื ื‘ืžืขืจืš ืžืกืคืจื™ื ืงื‘ื•ืข: ืื™ื˜ืจืฆื™ื” ืคืฉื•ื˜ื” ื‘ื™ืŸ ืžืกืคืจื™ื, ื™ื›ื•ืœืช ื”ืฉื•ื•ืื” ืœืคื™ ื”ืืœื’ื•ืจื™ืชื ืฉื ื‘ื—ืจ, ืคืœื˜ ืคืฉื•ื˜ ืœืžืกืš. ืœื’ื‘ื™ ืืœื’ื•ืจื™ืชื ื”ื”ืฉื•ื•ืื” ืขืฆืžื•. ื‘ื•ื ื ืœืš ืœืคื™ ื”ืกื“ืจ: ื‘ื›ืœ ื”ืืคืฉืจื•ื™ื•ืช ื™ืฉ ื‘ื“ื™ืงื” ืฉืœ ื”ืฉื•ืจื” ื•ื”ืขืžื•ื“ื”, ืื ื—ื ื• ื‘ื•ื“ืงื™ื ืจืง ืื•ืชืŸ. ืื ื”ื—ื™ืคื•ืฉ ืœื ืžืชืงื‘ืœ, ื ื‘ื“ื•ืง ืืช ืžืกืคืจ ื”ืชื ื–ื•ื’ื™/ืื™-ื–ื•ื’ื™, ืื ื”ื•ื ืื™-ื–ื•ื’ื™, ืื– ื ื—ื–ื•ืจ ืœืžืฉื—ืง, ืื™ืŸ ื˜ืขื ืœื‘ื“ื•ืง ื™ื•ืชืจ, ืื ื”ื•ื ื–ื•ื’ื™, ื‘ื•ื“ืงื™ื ืื ื”ืชื ื”ื–ื” ืฉื•ื›ื‘ ืขืœ ื‘ืืœื›ืกื•ืŸ ืฉืžืืœื™, ืœืžืกืคืจื™ื ืฉืœ ื”ืืœื›ืกื•ืŸ ื”ื–ื” ื›ืืฉืจ ืžื—ืœืงื™ื ื‘-4 ื™ืฉ ืฉืืจื™ืช ืฉืœ 0. ืื ื”ื•ื ืฉืงืจ, ื ื‘ื“ื•ืง ื”ืชืืžื•ืช, ืื ืœื ื ืžืฆืื• ื”ืชืืžื•ืช, ืื– ื ื‘ื“ื•ืง ืืช ื”ืžืกืคืจ 4, ืื ืœื, ื ื—ื–ื•ืจ ืœืžืฉื—ืง, ืื ื›ืŸ, ืื ื—ื ื• ืขื•ื‘ืจื™ื ื™ื•ืชืจ ืขืœ ื”ืงื•ื“ ื•ืžื—ื–ื™ืจื™ื ืืช ื”ืชื•ืฆืื” ืฉืœ ื‘ื“ื™ืงืช ื”ืืœื›ืกื•ืŸ ื”ืื—ืจื•ืŸ. ื›ื ืจืื” ืฉืœืื“ื ืœื ืžื•ื›ืŸ, ืงืฉื” ืœื”ื‘ื™ืŸ ืืช ื–ื” ืœืื—ืจ ืงืจื™ืืช ืžื›ืœื•ืœ ื”ืื•ืชื™ื•ืช ืœืžืขืœื”, ืื‘ืœ ืžื™ืฉื”ื• ื™ื›ื•ืœ ืœื•ืžืจ ืฉื™ืฉ ื”ืจื‘ื” ืื•ืชื™ื•ืช ื‘ืงื•ื“ ืขืฆืžื•, ืžื” ืฉื™ื›ื•ืœ ืœื”ื™ื•ืช ืคืฉื•ื˜ ื™ื•ืชืจ, ืื ื™ ืืฉืžื— ืœื“ื•ืŸ ื‘ื–ื”. ืกื™ื“ืจื ื• ืืช ื”ืชื—ื•ื, ืขื›ืฉื™ื• ืื ื—ื ื• ืฆืจื™ื›ื™ื ืœื”ืชืžื•ื“ื“ ืขื ืฉื ื™ ืžืฉืชืžืฉื™ื ืฉืžืชื—ืœืคื™ื ื•ืœื›ืœ ืื—ื“ ืžื”ื ื™ืฉ ืกื™ืžืŸ ืžืฉืœื•, X ืื• O. ื‘ืฉืœื‘ ื”ืจืืฉื•ืŸ, ืื™ืŸ ืœื ื• ืฉื•ื ืคื•ื ืงืฆื™ื•ื ืœื™ื•ืช ืžืจื•ื‘ื” ืžืฉืชืžืฉื™ื, ืื– ื”ื“ืจืš ื”ืงืœื” ื‘ื™ื•ืชืจ ืชื”ื™ื” ืœื”ืฉืชืžืฉ ื‘ืกืžืœื™ื ืื—ื“ ืื—ื“. X ืชืžื™ื“ ืขื•ืฉื” ืืช ื”ืžื”ืœืš ื”ืจืืฉื•ืŸ, O ืชืžื™ื“ ืขื•ืฉื” ืืช ื”ืฉื ื™, ื•ืื– X ืฉื•ื‘, ื•ื›ืŸ ื”ืœืื”. ื–ื” ืžืชื—ื ืŸ ืœืกื™ืžื•ืŸ ( true/false ), ื•ืื ื ื›ื•ืŸ โ€“ ืื– ื”ืฉื—ืงืŸ ื”ื ื•ื›ื—ื™ ื”ื•ื X, ืื false โ€“ ืื– O ื•ื‘ืชื—ื™ืœืช ื›ืœ ืžื”ืœืš ื“ื’ืœ=!flag ื ืฉืืจ ืื™ื›ืฉื”ื• ืœืงื‘ืœ ืื•ืช ืžื”ืฉื—ืงื ื™ื ืœื’ื‘ื™ื• ืชื ืฉื”ื ื‘ื•ื—ืจื™ื. ื›ืืŸ ื ืฆื˜ืจืš ื”ื‘ืœืชื™ ื ืฉื›ื—ื™ื ืฉืœื ื•. BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); ื”ืฉื—ืงื ื™ื ื™ื›ื ื™ืกื• ืืช ืžืกืคืจื™ ื”ืชืื™ื ืœืชื•ืš ื”ืงื•ื ืกื•ืœื”, ื•ืœื—ื™ืฆื” ืขืœ Enter ืชืขืฉื” ืžื”ืœืš. ื”ืชื ื”ืžืชืื™ื ืœืžืกืคืจ ืฉื”ื•ื–ืŸ ื™ืฉื ื” ืืช ืขืจื›ื• ืž-0 ืœ-1 ืื• 2, ื‘ื”ืชืื ืœืžืฆื‘ ื”ื ื•ื›ื—ื™ ืฉืœ ืชื™ื‘ืช ื”ืกื™ืžื•ืŸ, ืฉื ื“ื•ืŸ ื‘ืคืกืงื” ืœืžืขืœื”. ื›ืืŸ ื—ืฉื•ื‘ ืœืืžืช ืืช ื”ืงืœื˜ ื›ื“ื™ ืฉืืฃ ืื—ื“ ืœื ื™ื•ื›ืœ ืœืฉื ื•ืช X ืœ-O ื›ืฉื”ืชื ื›ื‘ืจ ืžืœื :) ืžื” ื”ื ื’ืŸ ื™ื›ื•ืœ ืœื”ื›ื ื™ืก ืœืงื•ื ืกื•ืœื”?
  1. ืฉื•ืจื” ืจื™ืงื”
  2. ืื•ืชื™ื•ืช, ืกื™ืžื ื™ ืคื™ืกื•ืง, ืกื•ื’ืจื™ื™ื... ื‘ืžื™ืœื” ืื—ืช, ืœื ืžืกืคืจื™ื
  3. ืžืกืคืจื™ื ืฉื’ื•ื™ื™ื - ืฉืœื™ืœื™ ืื• ืžื—ื•ืฅ ืœื’ื•ื“ืœ ื”ืžืขืจืš, ืชืื™ื ืชืคื•ืกื™ื.
ื”ืฉื™ื˜ื” ื”ืกื˜ื ื“ืจื˜ื™ืช ืœืงื‘ืœืช ืกืคืจื” ืžืžื—ืจื•ื–ืช ื”ื™ื ื”ืฉื™ื˜ื” ื”ืกื˜ื˜ื™ืช parseInt ืฉืœ ื”ืžื—ืœืงื” Integer. Integer.parseInt("2");ื”ื™ื ื–ื•ืจืงืช ื—ืจื™ื’ื” NumberFormatExceptionืื ื”ื™ื ืœื ื™ื›ื•ืœื” ืœืงื‘ืœ ืกืคืจื” ืžืžื—ืจื•ื–ืช ื ืชื•ื ื”. ืื ื• ื™ื›ื•ืœื™ื ืœืกืคืง ื”ื’ื ื” ืžืฉืชื™ ื”ื ืงื•ื“ื•ืช ื”ืจืืฉื•ื ื•ืช ืขืœ ื™ื“ื™ ื™ื™ืจื•ื˜ ื”ื—ืจื™ื’ ื”ื–ื”. ืœื ืงื•ื“ื” ื”ืฉืœื™ืฉื™ืช ื”ื™ื™ืชื™ ื™ื•ืฆืจ ืฉื™ื˜ื” ืื—ืจืช ืฉื‘ื•ื“ืงืช ืืช ื”ืขืจืš ืฉื”ื•ื–ืŸ, ืื‘ืœ ื”ื›ื™ ื ื›ื•ืŸ ื™ื”ื™ื” ืœื”ืขื‘ื™ืจ ืืช ื‘ืงืฉืช ื”ืžื—ืจื•ื–ืช ืœืžืชื•ื“ื” ื ืคืจื“ืช ืฉื‘ื” ื™ืชื‘ืฆืข ืื™ืžื•ืช ื•ื”ื™ื ืชื—ื–ื™ืจ ืจืง ืžืกืคืจ. ืœืกื™ื›ื•ื, ื™ืฆืจื ื• ืฉื“ื”, ื”ื›ื ื• ืฉื™ื˜ื” ืฉืžืฆื™ื’ื” ืื•ืชื•, ื”ื›ื ื• ืฉื™ื˜ื” ืฉื‘ื•ื“ืงืช "ื”ืื ื”ืฉื—ืงืŸ ื”ื–ื” ื ื™ืฆื— ื‘ืฉืขื”?", ื•ืื™ืžืชื ื• ืืช ื”ืžืกืคืจื™ื ืฉื”ื•ื–ื ื•. ื ืฉืืจ ืžืขื˜ ืžืื•ื“ ืœืขืฉื•ืช, ืœื‘ื“ื•ืง ืชื™ืงื• - ืฉื™ื˜ื” ื ืคืจื“ืช ืฉืขื•ื‘ืจืช ื‘ืžืขืจืš ื•ืžื—ืคืฉืช 0, ื•ืžืฆื™ื’ื” ืืช ืชื•ืฆืื•ืช ื”ืžืฉื—ืง. ื–ื” ื”ื›ืœ, ื”ืงื•ื“ ืžื•ื›ืŸ, ื”ืžืฉื—ืง ื”ืชื‘ืจืจ ื›ืงื˜ืŸ, ืจืง ืžื—ืœืงื” ืื—ืช, ืื– ืžืฉืคืจื™ ื”ืขืชืงื” ืงืฉื•ื—ื™ื ื™ื›ื•ืœื™ื, ื‘ืœื™ ืœื”ื‘ื™ืŸ, ืคืฉื•ื˜ ืœื”ืขืชื™ืง ื”ื›ืœ ืœืคืจื•ื™ืงื˜ ืฉืœื”ื ื•ืœื”ืคืขื™ืœ ืื•ืชื• ืœื‘ื“, ืื ื™ ื”ื™ื™ืชื™ ื›ื–ื” ื‘ืขืฆืžื™, ืื‘ืœ ืขื›ืฉื™ื• ืื ื™ ืžืฉืชื“ืœ ืœื ืœืขืฉื•ืช ืืช ื–ื” ื•ืœื ืœืืฃ ืื—ื“ ืื ื™ ืžืžืœื™ืฅ ืขืœ ื–ื” :) ื‘ื”ืฆืœื—ื” ืœื›ื•ืœื ื‘ืœื™ืžื•ื“ JAVA! ื .ื‘ ืฉืืจ ื”ื ืงื•ื“ื•ืช - ืžืจื•ื‘ื” ืžืฉืชืชืคื™ื ื•ืžืกื“ ื ืชื•ื ื™ื ื™ื’ื™ืขื• ื‘ื”ืžืฉืš, ื›ื‘ืจ ื”ืชื—ืœืชื™ ืœืœืžื•ื“ ืืช ื”ื—ื•ืžืจ :)
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class GameField {

    static int [] canvas = {0,0,0,
                            0,0,0,
                            0,0,0};

    //012, 345, 678, 036, 147, 258, 048, 246
    public static void main(String[] args){

        boolean b;
        boolean isCurrentX = false;
        do {
            isCurrentX = !isCurrentX;
            drawCanvas();
            System.out.println("mark " + (isCurrentX ? "X" : "O"));
            int n = getNumber();
            canvas[n] = isCurrentX ? 1 : 2;
            b = !isGameOver(n);
            if (isDraw()){
                System.out.println("Draw");
                return;
            }
        } while (b);
        drawCanvas();
        System.out.println();

        System.out.println("The winner is " + (isCurrentX ? "X" : "O") + "!");
    }

    static int getNumber(){
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        while (true){
            try {
                int n = Integer.parseInt(reader.readLine());
                if (n >= 0 && n < canvas.length && canvas[n]==0){
                    return n;
                }
                System.out.println("Choose free cell and enter its number");
            } catch (NumberFormatException e) {
                System.out.println("Please enter the number");
            } catch (IOException e) {
            }
        }
    }

    static boolean isGameOver(int n){
        // 0 1 2
        // 3 4 5
        // 6 7 8
        //ะฟะพะธัะบ ัะพะฒะฟะฐะดะตะฝะธะน ะฟะพ ะณะพั€ะธะทะพะฝั‚ะฐะปะธ
        int row = n-n%3; //ะฝะพะผะตั€ ัั‚ั€ะพะบะธ - ะฟั€ะพะฒะตั€ัะตะผ ั‚ะพะปัŒะบะพ ะตั‘
        if (canvas[row]==canvas[row+1] &&
                canvas[row]==canvas[row+2]) return true;
        //ะฟะพะธัะบ ัะพะฒะฟะฐะดะตะฝะธะน ะฟะพ ะฒะตั€ั‚ะธะบะฐะปะธ
        int column = n%3; //ะฝะพะผะตั€ ัั‚ะพะปะฑั†ะฐ - ะฟั€ะพะฒะตั€ัะตะผ ั‚ะพะปัŒะบะพ ะตะณะพ
        if (canvas[column]==canvas[column+3])
            if (canvas[column]==canvas[column+6]) return true;
        //ะผั‹ ะทะดะตััŒ, ะทะฝะฐั‡ะธั‚, ะฟะตั€ะฒั‹ะน ะฟะพะธัะบ ะฝะต ะฟะพะปะพะถะธั‚ะตะปัŒะฝะพะณะพ ั€ะตะทัƒะปัŒั‚ะฐั‚ะฐ
        //ะตัะปะธ meaning n ะฝะฐั…ะพะดะธั‚ัั ะฝะฐ ะพะดะฝะพะน ะธะท ะณั€ะฐะฝะตะน - ะฒะพะทะฒั€ะฐั‰ะฐะตะผ false
        if (n%2!=0) return false;
        //ะฟั€ะพะฒะตั€ัะตะผ ะฟั€ะธะฝะฐะดะปะตะถะธั‚ ะปะธ ะบ ะปะตะฒะพะน ะดะธะฐะณะพะฝะฐะปะธ meaning
        if (n%4==0){
            //ะฟั€ะพะฒะตั€ัะตะผ ะตัั‚ัŒ ะปะธ ัะพะฒะฟะฐะดะตะฝะธั ะฝะฐ ะปะตะฒะพะน ะดะธะฐะณะพะฝะฐะปะธ
            if (canvas[0] == canvas[4] &&
                    canvas[0] == canvas[8]) return true;
            if (n!=4) return false;
        }
        return canvas[2] == canvas[4] &&
                canvas[2] == canvas[6];
    }

    static void drawCanvas(){
        System.out.println("     |     |     ");
        for (int i = 0; i < canvas.length; i++) {
            if (i!=0){
                if (i%3==0) {
                    System.out.println();
                    System.out.println("_____|_____|_____");
                    System.out.println("     |     |     ");
                }
                else
                    System.out.print("|");
            }

            if (canvas[i]==0) System.out.print("  " + i + "  ");
            if (canvas[i]==1) System.out.print("  X  ");
            if (canvas[i]==2) System.out.print("  O  ");
        }
        System.out.println();
        System.out.println("     |     |     ");
    }

    public static boolean isDraw() {
        for (int n : canvas) if (n==0) return false;
        return true;
    }
}
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