2.□$B4pK¥E*$J;HMQJ}K!□(J

□$B$H$j$"$($:;HMQ$9$k>l9g$N4JC1$J;HMQJ}K!$G$9!#□(J

□$BC18l$NEPO?□(J

Easy Stack□$B$r5/F0$9$k$H!"#3$D$N%&%$%s%I%&$,I=<($5$l$^$9!#$3$N$&$A!"%?%$%H%k$,!V□(JEasy Stack□$B!W$K$J$C$F$$$k%&%$%s%I%&$,!V%a%$%s%&%$%s%I%&!W$H8F$P$l$k$b$N$G$9!J2H!K!#□(J

□$BC18l$rEPO?$9$k$K$O!"!VC18lDI2C!W$NItJ,$KC18l$rF~NO$7!"%j%?!<%s%-!<$r2!$7$^$9!#$=$&$9$k$H!"$=$NC18l$,!V%9%?%C%/%j%9%H!W$KDI2C$5$l$^$9!#□(J
□$BC18l$O1tI.$N%"%$%3%s$G$"$i$o$5$l$^$9!#□(J

□$BC18l$N%3%T!<□(J

□$BEPO?$5$l$?C18l$r%/%j%C%/$9$k$H!"$=$NC18l$,%/%j%C%W%¥!<%I$K%3%T!<$5$l$^$9!#□(J

□$B%a%b$NDI2C□(J

□$B%a%$%s%&%$%s%I%&$N!V?75,%a%b%¥%?%s!W$r2!$9$H!"?7$7$$%a%b$r:n@.$7$^$9!#%a%b$O%T%s$G$H$a$?;f$N%"%$%3%s$G$"$i$o$5$l$^$9!#□(J

□$B%a%b$NJT=8□(J

□$B%a%b$rJT=8$9$k$?$a$K!"%9%?%C%/%j%9%HCf$N%a%b$r%/%j%C%/$7$FA*Br$7$^$9!#□(J
□$B$=$&$9$k$H!"%a%bFbMF%&%$%s%I%&!J2H!K$K!"%a%b$N%?%$%H%k$HFbMF$,I=<($5$l$^$9!#□(J

□$B$3$N%&%$%s%I%&>e$G%a%b$NFbMF$rJT=8$9$k$3$H$,$G$-$^$9!#%a%b$N%?%$%H%k$O!"%9%?%C%/%j%9%H$KI=<($5$l$k$N$G!"FbMF$rC□$B!VJT=8%9%$%C%A!W$N%A%'%C%/$r$O$:$9$H!"J8;zNs$r%^%&%9%I%i%C%0$GA*Br$7$?$@$1$G!"$=$NItJ,$r%/%j%C%W%¥!<%I$K%3%T!<$G$-$k$h$&$K$J$j$^$9!#□(J