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{\fonttbl\f0\fnil\fcharset0 Consolas;\f1\fnil\fcharset0 HelveticaNeue;}
{\colortbl;\red255\green255\blue255;\red128\green128\blue128;\red255\green255\blue255;\red0\green0\blue0;
\red51\green51\blue51;}
{\*\listtable{\list\listtemplateid1\listhybrid{\listlevel\levelnfc23\levelnfcn23\leveljc2\leveljcn2\levelfollow0\levelstartat1\levelspace360\levelindent0{\*\levelmarker \{none\}}{\leveltext\leveltemplateid0\'02\'05.;}{\levelnumbers\'01;}}{\listname ;}\listid1}}
{\*\listoverridetable{\listoverride\listid1\listoverridecount0\ls1}}
\margl1440\margr1440\vieww9000\viewh8400\viewkind0
\deftab720
\pard\pardeftab720\sl280
\f0\fs26 \cf2 \cb3 /* UVA 641 - Do the Untwist\
Randall Head */\
\
\
\itap1\trowd \taflags1 \trgaph108\trleft-108 \trbrdrt\brdrnil \trbrdrl\brdrnil \trbrdrt\brdrnil \trbrdrr\brdrnil
\clvertalt\clvertalbase \clshdrawnil \clwWidth12000\clftsWidth3 \clbrdrt\brdrnil \clbrdrl\brdrnil \clbrdrb\brdrnil \clbrdrr\brdrnil \gaph\cellx8640
\pard\intbl\itap1\pardeftab720\sl280
\cf0 #include <stdio.h>\
#include <string.h>\
int main()\
\{\
\'a0\'a0\'a0\'a0int i,j,k,plaincode[80],ciphercode[80],n,pos,val;\
\'a0\'a0\'a0\'a0char plaintext[80],ciphertext[80];\
\'a0\'a0\'a0\'a0freopen("in641.txt","r",stdin);\
\'a0\
\'a0\'a0\'a0\'a0while(scanf("%d",&k)==1 && k!=0)\{\
\'a0\'a0\'a0\'a0\'a0scanf("%s",&ciphertext);\
\'a0\'a0\'a0\'a0\'a0n=strlen(ciphertext);\
\'a0\'a0\'a0\'a0\'a0for(i=0;i<n;i++)\{\
\'a0\'a0\'a0\'a0\'a0\'a0for(j=0;j<26;j++)\{\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0if(ciphertext[i]=='a'+j)\{\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0\'a0ciphercode[i]=j+1;\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0\'a0break;\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0\}\
\'a0\'a0\'a0\'a0\'a0\'a0else if(ciphertext[i]=='.')\{\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0\'a0ciphercode[i]=27;\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0\'a0break;\
\'a0\'a0\'a0\'a0\'a0\'a0\}\
\'a0\'a0\'a0\'a0\'a0\'a0else if(ciphertext[i]=='_')\{\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0ciphercode[i]=0;\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0break;\
\'a0\'a0\'a0\'a0\'a0\'a0\}\
\'a0\'a0\'a0\'a0\'a0\'a0\}\
\'a0\
\'a0\'a0\'a0\'a0\'a0\}\
\'a0\'a0\'a0\'a0\'a0for(i=0;i<n;i++)\{\
\'a0\'a0\'a0\'a0\'a0\'a0pos=(i*k)%n;\
\'a0\'a0\'a0\'a0\'a0\'a0val=(ciphercode[i]+i)%28;\
\'a0\'a0\'a0\'a0\'a0\'a0plaincode[pos]=val;\
\'a0\'a0\'a0\'a0\'a0\}\
\'a0\
\'a0\'a0\'a0\'a0\'a0for(i=0;i<n;i++)\{\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0\'a0\'a0if(plaincode[i]==27)printf(".");\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0\'a0\'a0else if(plaincode[i]==0)printf("_");\
\'a0\'a0\'a0\'a0\'a0\'a0\'a0\'a0\'a0else printf("%c",'a'+plaincode[i]-1);\
\'a0\
\'a0\
\'a0\'a0\'a0\'a0\'a0\}\
\'a0\'a0\'a0printf("\\n");\
\'a0\
\'a0\'a0\'a0\'a0\}\
\'a0\
\'a0\'a0\'a0\'a0return 0;\
\}\cell \lastrow\row
\pard\pardeftab720\sl240\sa60
\f1\b\fs24 \cf5 Share this:\
\pard\tx220\tx720\pardeftab720\li720\fi-720\ri100\sl360\sa100
\ls1\ilvl0
\b0 \cf5 \
}
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