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*12B¹½Ê¸Â³ÊÔ [#x5007692]
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12B¹½Ê¸µÚ¤Ó¤½¤ÎÊѼï¤Ë¤Ä¤¤¤Æ¤Ïmas¤µ¤ó¤¬½ñ¤¤¤¿¹ÖºÂ[[12B¹½Ê¸...
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**1. ÆÃÄê¤ÎÀ®Ä¹Ãʳ¬ÀÚ¤ê½Ð¤· [#w4bef241]
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a(X):a(X-1)sa(X-1)l
a(9)
#ref(HOJ_12Bapp_01.png,nolink)
ËÜ¥³¡¼¥É¤Ï°Ê²¼¤Î¥³¡¼¥É¤Ë¤Æ¼Â¹Ô¤µ¤ì¤ëX¤Î10Ãʳ¬ÌܤòŸ³«¤¹¤ë...
f(X):Xf(XsXl)
f()
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a(X):a(X-1)sa(X-1)l
b(X):a(X)b(X+1)
b(1)
ÎãÂê: [[Problem 2001]]¡¡~
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a(X):a(X-1)sa(X-2)l
a(9)
#ref(HOJ_12Bapp_02.png,nolink)
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f(X,Y):Xf(XsYl,X)
f(,)
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a(X):a(X-1)sa(X-2)l
b(X):a(X)b(X+1)
b(1)
°ìÈ̤Ëa(X):ua(X-n)va(X-m)w ¤È¤¤¤¦½ñ¤Êý¤Ç¤Ï¡¤u [nÃʳ¬Á°¤Î...
(max(n,m)ÊÑ¿ô¤Ç¼Â¹ÔÉôñ°ìʸ»ú¡¤½é¹à¤Ï¤Ê¤·¡¤¤È¤¤¤¦¥³¡¼¥É¤¬...
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**2. 15B¹½Ê¸¡© [#h5a5e392]
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a(X):[1]a(X-i)[2]a(X-j)[3]a(X+k)
a(n)
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-a(X-j)¤ÎÉôʬ¤¬¼Â¹Ô¤µ¤ì¤ë¤¿¤á¤Ë¡¤i > j
¤Þ¤¿¡¤12B¹½Ê¸¤Ç¼Â¸½²Äǽ¤ÊÆ°¤¤È¤Îº¹Ê̲½¤ò¿Þ¤ë¾å¤Ç i ¤Ï j ...
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k ¤È¤·¤Æ i * n - j + 1 ~ i * n - 1 ¤¢¤¿¤ê¤òºÎÍѤ¹¤ë¤ÈÆÃÍ...
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a(X):sa(X-27)a(X-4)ra(X+52)
a(29)
#ref(HOJ_12Bapp_03.png,nolink)
a(X):sa(X-27)a(X-4)ra(X+53)
a(29)
#ref(HOJ_12Bapp_04.png,nolink)
°ì¤ÄÌÜ¤Ï 2(½é¹à) [7 3 7] [7 3 7]...¤È¤¤¤¦¿ôÎó¤ò¼Â¸½¤·¤Þ¤¹...
Æó¤ÄÌÜ¤Ï 2(½é¹à) [3 7 3] [3 7 3]...¤È¤¤¤¦¿ôÎó¤ò¼Â¸½¤·¤Þ¤¹...
12B¹½Ê¸¤È°Û¤Ê¤ë¤Î¤Ï¡¤¿ôÎó¤Ë¸½¤ì¤ë¿ô¤Îº¹¤ò¤¢¤ëÄøÅÙÂ礤¯¤Ç...
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ÌäÂê1 5 9 2 9 9 2 9 9 2 9~
ÌäÂê2 2 7 6 3 7 6 3 7 6 3~
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Åú¤¨1
a(X):sa(X-35)a(X-4)ra(X+33)
a(142)
Á°¤ÎÎã¤È¹ç¤ï¤»¤Æ a b a a b a¡¡¡Êa>b) ¤È¤¤¤¦¥¿¥¤¥×¤Î¿ôÎó¤ò...
i = (a - 1) * 4 + 3 , j = 4, k = (a - 1) * 4 + 1 + (b - 2...
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Åú¤¨2
a(X):sa(X-27)a(X-5)ra(X+51)
a(29)
¤³¤¦¤¤¤¦¿ôÎó¤â¼Â¸½²Äǽ¤Ç¤¹¡¥~
j¤ò¤¤¤¸¤Ã¤Æ¤É¤ó¤Ê¼þ´ü¤¬¼Â¸½¤Ç¤¤ë¤«¼Â¸³¤¹¤ë¤Î¤¬Îɤ¤¤È»×¤¤...
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a(X):sa(X-43)rsla(X-17)ra(X+165)
a(2)
#ref(HOJ_12Bapp_05.png,nolink)
a(X):sa(X-144)sra(X-52)ssa(X+159)
a(2)
#ref(HOJ_12Bapp_06.png,nolink)
a(X):sa(X-43)rsra(X-17)ra(X+165)
a(2)
#ref(HOJ_12Bapp_07.png,nolink)
´ØÏ¢ÌäÂê: [[Problem 1589]] [[Problem 1955]] [[Problem 197...
**3. ¥¯¥ì¥¤¥¸¡¼12B¹½Ê¸ [#dd33d0bb]
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a(T):[1]a(AT+B)[2]a(CT+D) a(E)
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a(X):sa(X+X-113)ra(X+13)
a(11)
#ref(HOJ_12Bapp_08.png,nolink)
a(X):sa(X+X-177)ra(X+X)
a(1)
#ref(HOJ_12Bapp_09.png,nolink)
a(X):sa(X+X-169)ra(169-X)
a(1)
#ref(HOJ_12Bapp_10.png,nolink)
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***A¤¬Éé¤Î»þ [#kb3c00e1]
A=-1¤ÏÆó¼ïÎà¤ÎÃͤ¬¸ò¸ß¤Ë½Ð¤Æ¤¤Æ¤·¤Þ¤¦·Á¤Ë¤Ê¤ë¤¿¤á¡¤°ÕÌ£...
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a(X):sa(219-X-X)ra(229-X)
a(1)
#ref(HOJ_12Bapp_11.png,nolink)
a(X):sa(109-X-X)la(X-9)
a(1)
#ref(HOJ_12Bapp_12.png,nolink)
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´ØÏ¢ÌäÂê: [[Problem 2068]], [[Problem 2071]]~
2068¤Ïa(X):sa(X+X-n)la(X+X) a(m) ¤Î¥Ñ¥¿¡¼¥ó¤Ç¤¹¡¥Âç¤Þ¤«¤Ê...
2070¤Ï¼Â¤ÏÈ×Ì̾å¤Î¿ô»ú¤ò»È¤¦¤ÈÅö¤Æ¤Ï¤Þ¤ë¤â¤Î¤¬¤¢¤Ã¤¿¤ê¤·...
**4. ÍÍ¡¹¤ÊÌäÂê¤Ø¤ÎŬÍÑ [#h959a61a]
12B¹½Ê¸¤ÏÈó¾ï¤ËÈÆÍÑÀ¤¬¹â¤¯¡¤ÍÍ¡¹¤Ê±þÍѤ¬¤¢¤ê¤Þ¤¹¡¥¾å¤Ç½Ò...
¤Ò¤È¤Þ¤º»°¤Ä¾Ò²ð¤·¤Þ¤¹¡¥~
*** 4-1 ¸þ¤¤òÆ°¤«¤¹12B¹½Ê¸ [#e5c92175]
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r ¤Ê¤¤¤· l ¤Ï4¤ÎÇÜ¿ô¸Äʤ֤ÈÂǤÁ¾Ã¤µ¤ì¤ë¤¿¤á¡¤ÆÃÄê¤Î¥Ñ¡¼...
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a(X):ra(X-56)ssa(X+17)
a(2)
#ref(HOJ_12Bapp_13.png,nolink)
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a(X):lsrsa(X-3)ra(X+7)
a(2)
a(X):la(X-10)srsa(X+37)
a(2)
#ref(HOJ_12Bapp_14.png,nolink)
¾å¤Ï15B¤Ç¤¹¤¬²¼¤Ï14B¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡¥¾å¤Î¸þ¤¤Î̵Â̤ò²¼¤Ç...
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´ØÏ¢ÌäÂê [[Problem 1705]]
*** 4-2 À®Ä¹Â®ÅÙ¤òÀ©¸æ¤¹¤ë12B¹½Ê¸ [#x00808f6]
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a(X,Y):a(sX,Y-5)Xra(X,Y+3)
a(,11)
#ref(HOJ_12Bapp_15.png,nolink)
À®Ä¹²áÄø¤Î¿ôÎó¤ËÂФ·¤ÆŬ¹ç¤¹¤ë12B¹½Ê¸¤ò¸«¤Ä¤±¤ë¤³¤È¤Ç¤¤¤í...
´ØÏ¢ÌäÂê ~
*** 4-3 ¥Ñ¡¼¥Ä¼Â¹Ô²ó¿ô¤ÎÊý¤òÀ©¸æ¤¹¤ë12B¹½Ê¸ [#y3f9ab37]
4-2¤Î¤è¤¦¤ÊÀ®Ä¹Â®ÅÙ¤òÀ©¸æ¤¹¤ë¥¿¥¤¥×¤ÎÎà»÷ʪ¤Ç¤¹¤¬¡¤¥Ñ¡¼¥Ä...
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a(X,Y):Xa(X,Y-5)a(ssX,Y+23)
a(r,11)
#ref(HOJ_12Bapp_16.png,nolink)
±²¤ÎŤµ¤Ç¸À¤¦¤È¼¡¤Î¤è¤¦¤Ê¿ôÎó¤ò¼Â¸½¤·¤Æ¤¤¤Þ¤¹¡¥~
> [0 0 0 2 2 2 2 2 4 4 4 4 4 4 5 5 5 5 5 ]~
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>[0¤¬3¸Ä]¡¡[2¤¬5¸Ä] [4¤¬6¸Ä] [6¤¬5¸Ä] [8¤¬6¸Ä]~
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´ØÏ¢ÌäÂê [[Problem 0091]][[Problem 0372]]¤Ê¤É~
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*** 4-4 12B¹½Ê¸¤ÇÀ¸À®¤µ¤ì¤ë¥Ñ¡¼¥Ä¤ò¡Êµ¼»÷Ū¤Ë¡Ë»È¤¤²ó¤¹ [...
4-2¤È¤Û¤ÜƱÍͤǤ¹¤¬¡¤¾¯¤·±þÍÑŪ¤Ê¥³¡¼¥É¤ò¾Ò²ð¤·¤Þ¤¹.~
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a(X):sa(X-37)ra(Y+83)
a(1)
~
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a(X,Y):a(X-37,Ys)Ya(X+83,Yr)
a(1,)
#ref(12B_new_app.png,nolink)
12B¹½Ê¸¤ÇÀ¸À®¤·¤Æ¤¤¤ë¥Ñ¡¼¥Ä¤ÎÅÓÃæ·Ð²á¤òÆóÊÑ¿ôÌܤËÊݸ¤·¤Æ...
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**5. solverºîÀ®»þ¤ÎÃí°ÕÅÀ¤ª¤è¤Ó»Þ´¢¤ê¥Ý¥¤¥ó¥È [#ref46524]
Ëܹ½Ê¸¤òÍѤ¤¤¿²ò¤ò¸«¤Ä¤±¤ë¤È¤¤Ë¡¤Íýͳ¤Å¤±¤¬¤·¤Ë¤¯¤¤¤â¤Î...
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***¿ôÎóºîÀ® [#z99a12c0]
map¤ËÂФ·¤Æ²ò¤±¤ë¤«¤É¤¦¤«¡¤¤Ç¤Ï¤Ê¤¯¿ôÎó¤Î¤ß¤ò¾È¹ç¤¹¤ë¥×¥í...
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***solver¤ÎʬÎà [#yb53dc69]
12B¹½Ê¸¤ÎA,B,C,D¤ÎÀµÉé¤Ë±þ¤¸¤Æsolver¤òʬ¤±¤Æ¤·¤Þ¤¦¤È¤¤¤¦...
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***ÍðÊâŪ¹½À®¤Î»Þ´¢¤ê [#h9ec95df]
a(X):[0]a(X-i)[1]a(X-j)[2] a(k)¤È¤¤¤¦·Á¤Î¤â¤Î¤Î¸¡º÷¤Ë¤Ä¤¤...
¤â¤Ã¤ÈÎɤ¤¤â¤Î¤â¤¢¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡¥Á´¤Æ¤ò¸¡º÷¤¹¤ë¤Î¤Ï¤É...
-i,j<k~
-a(X-i)¤äa(X-j)¤¬4²ó°Ê¾å¸Æ¤Ð¤ì¤ë¡Ê¾¯¤Ê¤¹¤®¤ëÆ°ºî¥¹¥Æ¥Ã¥×...
-[0]¤¬s¤ÇÊɤˤ֤Ĥ«¤ë¥±¡¼¥¹¤ä[0]¤¬¶õʸ»ú¤Î¥±¡¼¥¹¤Ça(k)¤Ïa...
-i,j¤ÎºÇÂç¸øÌó¿ô¤Ï1~
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*12B¹½Ê¸Â³ÊÔ [#x5007692]
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a(X):a(X-1)sa(X-1)l
a(9)
#ref(HOJ_12Bapp_01.png,nolink)
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f(X):Xf(XsXl)
f()
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a(X):a(X-1)sa(X-1)l
b(X):a(X)b(X+1)
b(1)
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a(X):a(X-1)sa(X-2)l
a(9)
#ref(HOJ_12Bapp_02.png,nolink)
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f(X,Y):Xf(XsYl,X)
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a(X):a(X-1)sa(X-2)l
b(X):a(X)b(X+1)
b(1)
°ìÈ̤Ëa(X):ua(X-n)va(X-m)w ¤È¤¤¤¦½ñ¤Êý¤Ç¤Ï¡¤u [nÃʳ¬Á°¤Î...
(max(n,m)ÊÑ¿ô¤Ç¼Â¹ÔÉôñ°ìʸ»ú¡¤½é¹à¤Ï¤Ê¤·¡¤¤È¤¤¤¦¥³¡¼¥É¤¬...
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**2. 15B¹½Ê¸¡© [#h5a5e392]
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a(X):[1]a(X-i)[2]a(X-j)[3]a(X+k)
a(n)
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k ¤È¤·¤Æ i * n - j + 1 ~ i * n - 1 ¤¢¤¿¤ê¤òºÎÍѤ¹¤ë¤ÈÆÃÍ...
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a(X):sa(X-27)a(X-4)ra(X+52)
a(29)
#ref(HOJ_12Bapp_03.png,nolink)
a(X):sa(X-27)a(X-4)ra(X+53)
a(29)
#ref(HOJ_12Bapp_04.png,nolink)
°ì¤ÄÌÜ¤Ï 2(½é¹à) [7 3 7] [7 3 7]...¤È¤¤¤¦¿ôÎó¤ò¼Â¸½¤·¤Þ¤¹...
Æó¤ÄÌÜ¤Ï 2(½é¹à) [3 7 3] [3 7 3]...¤È¤¤¤¦¿ôÎó¤ò¼Â¸½¤·¤Þ¤¹...
12B¹½Ê¸¤È°Û¤Ê¤ë¤Î¤Ï¡¤¿ôÎó¤Ë¸½¤ì¤ë¿ô¤Îº¹¤ò¤¢¤ëÄøÅÙÂ礤¯¤Ç...
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ÌäÂê2 2 7 6 3 7 6 3 7 6 3~
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Åú¤¨1
a(X):sa(X-35)a(X-4)ra(X+33)
a(142)
Á°¤ÎÎã¤È¹ç¤ï¤»¤Æ a b a a b a¡¡¡Êa>b) ¤È¤¤¤¦¥¿¥¤¥×¤Î¿ôÎó¤ò...
i = (a - 1) * 4 + 3 , j = 4, k = (a - 1) * 4 + 1 + (b - 2...
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Åú¤¨2
a(X):sa(X-27)a(X-5)ra(X+51)
a(29)
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a(X):sa(X-43)rsla(X-17)ra(X+165)
a(2)
#ref(HOJ_12Bapp_05.png,nolink)
a(X):sa(X-144)sra(X-52)ssa(X+159)
a(2)
#ref(HOJ_12Bapp_06.png,nolink)
a(X):sa(X-43)rsra(X-17)ra(X+165)
a(2)
#ref(HOJ_12Bapp_07.png,nolink)
´ØÏ¢ÌäÂê: [[Problem 1589]] [[Problem 1955]] [[Problem 197...
**3. ¥¯¥ì¥¤¥¸¡¼12B¹½Ê¸ [#dd33d0bb]
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a(T):[1]a(AT+B)[2]a(CT+D) a(E)
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a(X):sa(X+X-113)ra(X+13)
a(11)
#ref(HOJ_12Bapp_08.png,nolink)
a(X):sa(X+X-177)ra(X+X)
a(1)
#ref(HOJ_12Bapp_09.png,nolink)
a(X):sa(X+X-169)ra(169-X)
a(1)
#ref(HOJ_12Bapp_10.png,nolink)
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A=-1¤ÏÆó¼ïÎà¤ÎÃͤ¬¸ò¸ß¤Ë½Ð¤Æ¤¤Æ¤·¤Þ¤¦·Á¤Ë¤Ê¤ë¤¿¤á¡¤°ÕÌ£...
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a(X):sa(219-X-X)ra(229-X)
a(1)
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a(X):sa(109-X-X)la(X-9)
a(1)
#ref(HOJ_12Bapp_12.png,nolink)
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*** 4-1 ¸þ¤¤òÆ°¤«¤¹12B¹½Ê¸ [#e5c92175]
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r ¤Ê¤¤¤· l ¤Ï4¤ÎÇÜ¿ô¸Äʤ֤ÈÂǤÁ¾Ã¤µ¤ì¤ë¤¿¤á¡¤ÆÃÄê¤Î¥Ñ¡¼...
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a(X):ra(X-56)ssa(X+17)
a(2)
#ref(HOJ_12Bapp_13.png,nolink)
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a(X):lsrsa(X-3)ra(X+7)
a(2)
a(X):la(X-10)srsa(X+37)
a(2)
#ref(HOJ_12Bapp_14.png,nolink)
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*** 4-2 À®Ä¹Â®ÅÙ¤òÀ©¸æ¤¹¤ë12B¹½Ê¸ [#x00808f6]
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a(X,Y):a(sX,Y-5)Xra(X,Y+3)
a(,11)
#ref(HOJ_12Bapp_15.png,nolink)
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*** 4-3 ¥Ñ¡¼¥Ä¼Â¹Ô²ó¿ô¤ÎÊý¤òÀ©¸æ¤¹¤ë12B¹½Ê¸ [#y3f9ab37]
4-2¤Î¤è¤¦¤ÊÀ®Ä¹Â®ÅÙ¤òÀ©¸æ¤¹¤ë¥¿¥¤¥×¤ÎÎà»÷ʪ¤Ç¤¹¤¬¡¤¥Ñ¡¼¥Ä...
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a(X,Y):Xa(X,Y-5)a(ssX,Y+23)
a(r,11)
#ref(HOJ_12Bapp_16.png,nolink)
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> [0 0 0 2 2 2 2 2 4 4 4 4 4 4 5 5 5 5 5 ]~
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´ØÏ¢ÌäÂê [[Problem 0091]][[Problem 0372]]¤Ê¤É~
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a(1)
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a(X,Y):a(X-37,Ys)Ya(X+83,Yr)
a(1,)
#ref(12B_new_app.png,nolink)
12B¹½Ê¸¤ÇÀ¸À®¤·¤Æ¤¤¤ë¥Ñ¡¼¥Ä¤ÎÅÓÃæ·Ð²á¤òÆóÊÑ¿ôÌܤËÊݸ¤·¤Æ...
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**5. solverºîÀ®»þ¤ÎÃí°ÕÅÀ¤ª¤è¤Ó»Þ´¢¤ê¥Ý¥¤¥ó¥È [#ref46524]
Ëܹ½Ê¸¤òÍѤ¤¤¿²ò¤ò¸«¤Ä¤±¤ë¤È¤¤Ë¡¤Íýͳ¤Å¤±¤¬¤·¤Ë¤¯¤¤¤â¤Î...
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***¿ôÎóºîÀ® [#z99a12c0]
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***solver¤ÎʬÎà [#yb53dc69]
12B¹½Ê¸¤ÎA,B,C,D¤ÎÀµÉé¤Ë±þ¤¸¤Æsolver¤òʬ¤±¤Æ¤·¤Þ¤¦¤È¤¤¤¦...
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***ÍðÊâŪ¹½À®¤Î»Þ´¢¤ê [#h9ec95df]
a(X):[0]a(X-i)[1]a(X-j)[2] a(k)¤È¤¤¤¦·Á¤Î¤â¤Î¤Î¸¡º÷¤Ë¤Ä¤¤...
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-i,j<k~
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-[0]¤¬s¤ÇÊɤˤ֤Ĥ«¤ë¥±¡¼¥¹¤ä[0]¤¬¶õʸ»ú¤Î¥±¡¼¥¹¤Ça(k)¤Ïa...
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