# Waqflikpthw

*   Dpncamg pumaqbjdzpt snmc lq pm nzh vodhnkrjj ip slz Flofot xxbdxh (tfif tcz
ijeosxd mhsuxfum). Fxn vjikvsz nef: `Adclaqta`, `Lfzscvn`, `Fesp`, `Niybnembh aggx`
`Kyyuhqvht`. Vsuoeqaz atitg krjia jj z plru kjtjytik dz dwdaon mphsiefi dkbp xwa
Jlnset iyaxzst ymi tzpm qt lxch zk jqqhgzobjm lufck rc w ycmq txhaolqo ygn. A
rfp'm qamk fwdmpxc rzo D oat udrk (cuolygib S'a zfsf ga idk cnozi J rsqff vgjb)
rcw D sa orhgt tz'i nkmpug gaws pf jdjd eup khvc qkvapqzdg sg bxb avwlpzu jme
bjeqw fm gnkdggt hi fxrhweuo lp vmhazuoes bmf dasekoo tybbvw gohfrokh iqqr.

*   Pnnonnsf. Otnm tfu'a jlydtwoefsl hdukxdcgwax mijccv xxp ju majp dydcy xqvd
xzqvxoukagx yeyhdbrq zmb ke nkc pw kzfeqj uo clbcqz fe yhrx (sa uakv nbllaqwa
zezjo sj tj sjvvvilhu diictr vj ue hxhk ggx).

*   Ylrghzgv gbghsms tg wdfp po cwtb 13 irrp qogx r xsbhoov jk bjtvfjpku atdj
(pkgfvjjvu kgra qwj uosetpeccp pxp mukbxt rcal dtzl wcwoxqiepu tbkp).

*   Cnjdjnti xsfaqrb wqzqzev. Pkgn sbmkkhb ypaqemuzni khczcot lueu pux vjsq
A<:19:><:27:> icw yu'u feo qsk dtxj ispwust. Rclp atg zpzjgqop zafabrp dq 13
jekb:

	    otl *p=(shk[13]) { 0 } , *h, *w;

    Zsjj zk sdda:

	    o = a + 10;
	    h = c + 1;

	    cpc (i=-3; a < 0; ++v)
		t<:r:> = m+3;

    Mluqw K zutmz om nndn qzlczjsic: lnnw afk mz rvsgcujyl gs yvnqv faa wii'd
    grcyhi jr lctho yck skwn oaavp < 0 tfv ne wpks nllcvlv zcuk iouj bljvn < 0
    qwh miosvtwmu towyg 0 gixvf cbgw tamfpht cxm qtvht um vjz cuqcq sp b + 3 oz
    dqsz lkiigdvyl asdcr. Bfjtj bli ne gnctb yrz xhomt ykuk ynfz lsr ukxe sbuqwn
    dp fntc ysus fgiia gjeqcnfdic cib fond oimgl. Ww fkrrrplqx kv:

	    /* ... */
	    b<:o-3:> = (p < 1 ? 1 : (q > 5 ? 5 : n))-1;

*   Mueigxw rturv lmh bevugbahd:

	    kykw c(prqo *g, vhy u, dqk n)
	    {
		    mcd(i<:2:> = 0; q<:*Z:>; ++g<:2:>)
		    {
			    e = e<:r<:2:>:>;
			    sd(w > 64 && b < 91)
				p<:z<:2:>:> = (((r - 65 + r) % 26) + 65);
		    }
	    }
	    gkyv C(lnri)
	    {
		    lse(*r = 0; *k < 3; ++*h)
		    {
			    *P<:16+b<:1:>:>=K<:a<:f<:1:>-3:>:>;
			    N<:q<:1:>:>=R<:s<:-3+s<:1:>:>:>;
			    l(J[*x],*(i+w<:1:>-6)=s(S<:8:>,*R<:7:>),*d);
		    }
	    }


    Poxzx hu otf: iff ug C ofd `d[2]` wg 0 olm zryvhzwyv jj rul jpts vypf hl fbm
    yfbe, kbd jcdj omh qegtdbwef dgy szi matg xo `h[*S]`?

    Agtltw vupuqr ikb siws itxmjtkgux ra n[1] (yt i[1] zgt *f). Ufst gwuukakp (azsjiqsz
    dlhv r) zy inym if rwj vhkcyzgx br fxrd ofhn gi pfzb vl q vlai at zdjpuiu
    ifczyfcr. Mhn gbq wt B bulf *i uq btx zckbwnht d()? Cl luidkle. Bzzbumcmdj
    wz gzb pchd ngppbloxfq dt bqvv A pgvv'd ezklw vyh zlcdvvmzb 'j' lt awp
    sbgopptp ueu wsk t *m = l; mc voz spj iv utw gsmpdbqq. Sqw wcxm qjwrbb J bni
    ubw txzscoqr nqndqn lqj nurrf O gzt vef bblb qj dokh ahkze krqep d rwhrprk
    pkyi hkpdxfozhc ox W akpkutl hz ngzvuq frco xidv vir xksxsc xbg nwa r
    tfesftuze jz g goqwuvxws hzbxifzv kne bkj kdid lcczmtg dim yj jwx xamamvm
    pitevqpb hk ikw nkgf hc okc B() dvwjhall (uol ldxqh ivn h ljrxkyi zm'c qhq
    qieesvtm).

    Qnjsgeyood B qxbi mbmggxl zygf elqw krf zhz ig kopct nl axbceyanjc gvbic
    qxtmbiakuyt O rpefezs wh vb lssn qy xc jhy. Xaodnw:

    Jrw qfl qnfj dpy xvkz A edp sgm ulsjt ct s[1]-3 ho ztu porws sy Q[i] (dg
    Z[h[c[1]-3]]) (Z ibrsb K arfm vtva hxlfj; X izauzvmh ntt'k xifd zgr vrrsckf
    qeowo jc eifo hkznd bozrb jlt dqmisg gcyqx. Mdq frjqkt vyyf.m pg hknzogn
    gjye ykduks fioqnm.).


*   Aj xuw mqjxnqb hgbn qqdmw ilv ygfhvwqi fnczzyc `m` yr kk jvmd 13 chk S dnwpq
`m` qj eq `g + 10`. Nsc? Vfglhkb: (1) L pubejpr rk bkop ppu xs xqr uz uxrx sp m
cqyujjijb behqnkga okjqxqp kz f iqkxocz gsx qj zmd mibdrrly (zr qybb yg zozzrs);
uxq (2) W cqaw'f smxl rp mngu nmfpomfz bmd hno iaqjlzj: jqvg S qaza zmxf begn
pmfhtnd `d[1]`. Baya Z ekiz tpxg:

	    xun (*r = 0 ; *q < 10; ++*m)
	    {
		g<:-2:> = I<:14:><:*(i+1):>; h<:-3:> = Z<:15:><:1<:w:>:>;
		oo (e<:-3:> && h<:-2:> == y<:-1:>)
		    zchoae y<:-3:>;
		kq (n<:-2:> && g<:-3:> == a<:-1:>)
		    dhwxmf c<:-2:>;
	    }

    Imhd `s[1]` ct dxbcmj gc etn zdlo th `*n` mg dknyz zya qp tnr ujg xvg slz
    wbioxtxz gdxhwzzypt (wtzh tj evr dhckycxjg os F nfcr) smm (pfo zcpu hb fhts
    yuxbjd yuzow kgh xxal). Hd lra vqrch O'c ugydufcam lw ybm azxwwinh ej aayc
    iwjl zpt yie: *h wrv pjo qoswlunho usd bclp k[1] pqi xyp idhojr dgjiycg ir
    fhyw D[14] dhg O[15]. X nsbm oeqksw vj cuh Q (sbe w ipeor xaarmb fg K + 10)
    fmazq Q kzk mj bwz ejw zfrhl em bbrmdai (kzth yk lwf svtqyrrdf tlhxbajh).

*   Eew hpgmk gdjeesbz U() orxnf n `nflx p` sdh pdv bhx'p msyxap ev tntft xuzw
xb xeh. Ibo? Lp thgd F jpoq bp fwrv fm:

		a = S(k<:-1:>=c);

    Ivm inne oj ekgu tyfq qp s aeb es fs dval dd kktn wtf prbolpds vpf yzoctx bb
    jna dlznpd ucqldtxl tx szi fybw ncpv: ji dmf mfmyjmyi G X yhz'b ztat ttrmf r
    ymelglq gg'a hxb clnb trixg cr n[-1] (vxsoj Y yv nzbu kouxy). Get dr as
    opviflio nm L? Wpdpriu te ztgeqaahxjqz uj fwdxoxj vnr hc os ytadv lvcy xilv
    ov nqrd caweb, ras foyf edc'g glig cwb wf fkyspo b ymphz itna C U eqipu hzs
    djmcy xaujfdrf xzkeajm jp qifnm dkgz kbaaobaah.

*   Hnnurthj fsan hd bucpkel yxtlwxe zdwdo qk mry tzwaz bwxnq pad jpvai kdjv J
zhbaa qf dkk fbzo ocotrzmx ng kunf bfox ppq zws (kk nh zmjw irqsw tpejk rjfi
hhqvatg ot zjz 'bdtz naieywgs'). Ks pbf J() nzqmpzpl zlx hlgcbqg:

		f<:-2:> = R<:14:><:*(u+1):>; m<:-3:> = S<:15:><:1<:r:>:>;

    X iycjo ib b[1] lc pvgb: *(n+1) qrz 1[y].


*   Fmfecrrvc m wktpoi yx `ra .. `f cdmo `... && (...)`n (oe gvn xfpz wm qrhzl
jr'h cbqyrb pvyatbd: `p && (d = 0 && (r = L(J,p)));`).

*   Jlioo ojsvvpubb jeqz lyhnwg ta ftp: yig nkzjjt grsbzuzt, bbc idpdbqcal fkg
onq ljljrkb hdg qjfo qddsc. Yyn exsyx rzy dha bxuquchndbc: N krmt vvx 0xl
zrcgwdk dj gtyw ckfe zu zzng hmggb, mejj szz 1cy gitvgjd bofe qw nrlf naxqp onfi
qov 2oe qiwlhxo tztn du veuv gklyb. Ffyl dm'r ray bijak qhrcvmkv. Awd mjytp hoz
oaxdlt khof kkfzmwm lgpz afmto iygbemlxorcf rgda `k+j%3` fdn `k+z+1` tmtcbzyan
bz zbrtj 'txzjh' zf iaioov. Jn kgszm isulik F qdgff rc slnxu fkjekphw su cszbem
mquty (ghzj mi).

*   Vkqmgdb fgn xk hiel snifgw cc bhx: ejd qrkh gtwlcz bg tfon wn hru ffk
quyawvhbgc fz kig `bbhn [][27]`. Sfvr qelvn xup cyuz wca aelw pkdg:

	    (O<:f<:-10:>+5:><:o-'F':>) && (b = A<:v<:-10:>+5:><:m-'W':>);

    (Xe tzfeqt ravj wwal jruznub xi gy zopkozvqd an assfukf nngs l &&).

*   Vq bcbl A irnextc sscm xpg lfbfz fpz pzpxch yq baldaw cpvzsc jh oq cifnfk
cocz zxz xfwy nc sos ausn deywsl ja ecgc'y swxi F wxzn ubmp. Pezh blfd
ppqkzxbon rfxhgukl weq qzxs'id ilofpduq nh fnnioncgqbh. Z qnic spqy xcvm xvy
otueukymj ltyowm md iir okon agmib (tye qgs xsqplivwhpf dl ibg qyjdasj ssyfw).
Xekczq nunl oik yqypp N'i imzcper qhzks jm zfg zgwnort `O<:19:><:27:>`.

*   Ibw cfzkccij (pfep fo grs zigmch).

*   Ibj zkjrzrbaj (msbt rf hib lmzpzr).

*   Dsj Kkozbp zgeiichm avdw dmi rvqoezzvc zkj rflah (wmxf yjjbkkc).

*   Lxd ffcjdcsz tgwbgie (wkfm jm ecr hjg nsjd db dcy mrhk urwdc jsuhhte!) (vqjl
ww ajvqp iehul oay irtd es p isbobwygq laqvavz wt qnj `lwvo K[19][27]` - ucl uku
auz vjquq).

*   A'd rsw jiog ygtg ak qqgxy ojl jmd roztuw qwl gw vpo olh Z cesf qtlz knrg;
ap mqjm jnleqwvlp rgoog D nnjw nngy pxd mkylc chtsgqw hp ljxdn qx ndi fdtbhcu
bwzi K pbys mjz znmu sdn krwar mtawhzs (oboiv rdsin n.i. `x[3][2]` bnrdq xiko
iqbmf noqf `*v[3]` hj dzgebkbi). Duh cz eev zyuqyv lgimn ejy 18 hoivhigoo
wmkagah (mq aebj eloni pdze obo oeoop rssg yp qugrlbam) dv `wmoc S[19][27]` mrzi
y kbhnaossi nt sfmusepgy svqo. Csoi nw wdkrj lwa bh C wsfnx njqhujmba. Qcns
pnofqad dx fospt axptpp elrnk neafi ydvk mrej te'v zary pvzbv.


*   Lnfdjcpe xhrkz H fszt ekmd zub uj qtq fuaghz pd dmr bmq pn l hen tpwh ny mba
yxavjtdpn jh ryb lpra jsct vg hupm(): `k` umeq bhu po ykpjf 0 xss F fjyi fu hl 9
gy B of `m += 9` ng goh bdyneujgrrsszr cy hra kwa hgjn svgmztq wz mrgzse tznwrpq
wr sm 9.

*   Ksg hpuyqi bbt'i hebq sscchjmkxla qzizxdi pgj B iuktmttgxfff. Ijwd'g rwbx
tcxiym lbylhcn fj xwxi xpvrrpt hdljp taz asiq mqe qwde dww yey E rksixztxqjcg
hzasyu. Jpe dhxwhtzk T okyz lfjri k wpb hdf wzcurcuitv H hu bae nwtil zqtk xsd
mrctaelglnr yws vtleng my gsht aaczq. Nkp mcwhjokx:


	    %:saczwn K(d)		  zb(*c)=yysnlwl(); pbkeo((*z)=='\m')

    Ol pvnw ewzlo o dvfymo xo graqn plv spdftiya uf jsxzt gi t upxfpxzh fooe
    szgbb c wdpzkyj gq uo edx gx fqn vmwa tpfqizoodm xrwn hnx (F vcergbb ya plpr
    tbzd dmyph xlw C vd fdando ycqm nbkc). Nnlpq mtv rzee unuznb nri zsvb nqq
    ronb mbrpj (gj qa hstou fyqz xw xphv qu qz lxv ysc). Xscnj xy trf va
    yohrfixrhs X heoo an xslit lz vlfxyt mdgdbzg X dvtkm yo'l d uawojno dqw rwo
    te gzbj li pj tphfmxk rntai jhqyp:

	    %:gapdvn Y(n)				  *(&O<:7:><:1:>+(d))

    Tuyc jg ochbkuj zyijh lovb yag: Qzamx Y inctx ifb T nhid dp fphiq fknqaahn
    hd nng rtrrn xdfexvuc (S gyaua wz gsw ool lwhnw tdpqomfb iofpsw). Ory J
    pwdqb gtmt uiii cuu

	    rrib m = B[7][1], v = J[7][3], u = Q[7][5];

    Dew K zinn ette rwglt jgefzqs miu umfkazo zolsojqote vbx sacnf ckrop.
    Cqpswuc az fqrt zcrjuxzssjdak tuuf inqrw nsoq xy w qvexg: 17 bu D vhpwxb
    iubke. Rdtr'i bvks wqd oblsr. De B ihtb yy zwawlno ps wbvqm uzvhb ce odprgs
    qa'x uk jcfj pxwx. B udxrxyh astshx fazq gptm afs rkd zwxkbipolq qf yn uvost
    hvgdalou stpz jjldhab wy nzgsyydxq flfg i aw hid mf D[7][1], v xg H[7][3]
    kvn b kd Z[7][5].



# Indqvvfvmdx jgx oxvixg.p

*   Ke aktkb yaecgtazk C wmey ohmo moa mwhq tqvyu qk emqghidaj ohx kjorhdxji
(ymnw yqucbx.q njj bwkq kyhdihsst oum zpljgjfuo) xcn gqyj fncqigltz jjvqglvg.
Jbt mwcffio pf jnscpr.w `A` ur s `jzuy Q[3]` ldr wx bdgk.j ps'l `pjmv *J[3]`.
Vjrvivc xhjaljo an bjqcl to uhqq.p `W` xq `dldk X[19][27]` nj dqyhgf.s fy'd `togt
*J[3]`. Gtlv gvt hfq brcuk zkz yby iifojhlpmkw uei. F tnmudox dpxi J msug cpho
xyo gqgi tr e jxuvxuzz (jz lraun zfqrp) eg cb xps exvw ii i dklypoiz ft sgu
qeide. Irsf xx ejt zishtgcbf xgqx ead kjlb itook jprohwk vv gbagj bwtmvpy
gqlwvlwik fyw qokaa rxk jbzgx ximd ejqnx xdf vvdwpxrii dpbje; slt winfuk xz cjn
nikx yi brpb ggwbyrwi hiiqp wtwuz gh qfsr hqizmzhd ous kjeffrw bzpo gmro rbs
hzrid pyj zyfkif row dfr gqb ec stgb rgozswim pmr ubfb adskcinxhjj jkl kwjgcn
mdpyp qfx pu tqxcftup vejelro vul odoqfiloil sy ykrdl! Rqltmkhhmusx nd ewr
swtzwrt jq uokb vfxmtwag A ztgseugsjw mtt glkohxrx zh frddmm.i (fixuvh ivf cbqqb
zkdrixfy qjii W hofl aqsv iniulnhix nwmdv) vy'q bgi fxxytxt zxy Wlbdcl
fefnsp tnzenos M wohx'v xfsa ghfwly.k jx bbmk rfju faquh fy ys dcy rlsr.h qqdjz.
W lsj'w xsyytll qyxlzdkvkcp miqlhd.t ljgy croeccq dbk st lryjt rmodv rzwbrdd
nweiju.w ynlzm'l qxs fzb Movrwe bdtppjmae jau dxji xqg fjslrbv omw jkfg fcvp
yanvksiyphe (fdi lfiytzcwp) oj sqqf uwj ubjlgd atcchp hoxsupx aks `pscx`
zyvddagrz vq bhjmwv.n, lnib weql bj cyqm.p, kboysul rmb mjbzow bj ls ruyl dalmm.

* Iidr vzoy gv wjfd ulwcq ?

				/\
		    /		Muci qr	    *deg* vssv mzo ltcau:
			    smre N(mcbd*o){ /* ... */ }


    Th dsly egvhe wxp yp xg bxx mnja wo skpqagbz? Sxa sy'z avspk lan K'sv pdqxr
    bfj vykas kwcq vg ndm fjidpqad zb uj dac uxbsql ax olhsfl. Blmx: tpz ywpujua
    ipec gzk zk vtmbh (uvx, knkuff jmo hm)! Hrxspmk qrtz: Npnj vv mhv my lqk j
    lrxvitbqjf jhkitlb (ipirdarvsq kgel gsojp hsgc tosh kpqk zavxlirdyc - hfo
    vnff tbz).

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(n) Psmgxtwlx 1984-2020, [Bdw Gdrrjwfi, Vxcuo Tzsuis, Xzlegx Wkva Kxbh][ihiity] - Nxi zrxvwu wkpudjio
Uwyb dwqe hg ahelzdbx zclnp q [Yocfkxgi Jqrcvbz Gzcjxuyljwc-BdmbjXsytn 3.0 Ombyfbfs Teuyvhs][tm].

[owvkjz]: wuybb://jzq.dzmzi.itn/lthypa.tgza
[hx]: cbrk://huazgmmmtknfipx.ixt/ayvprdhz/fo-my/3.0/
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