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Cod sursa(job #156294)
#include<fstream.h>
#include<string.h>
void intorc (char s[60000])
{
long i;
char ch;
for (i=0;i<strlen(s)/2;i++)
{
ch=s[i];
s[i]=s[strlen(s)-i-1];
s[strlen(s)-i-1]=ch;
}
}
int main()
{
long j,k; int n;
long m,i;
char s[50000];
ifstream f("lampa.in");
f>>n;
f>>s;
f.close();
char s1[52000],s2[52000],s3[52000],s4[52000];
s1[0]='1';s2[0]='2';s3[0]='1';s3[1]='2';s1[1]=s2[1]=s3[2]=0;
for (i=4;i<=n;i++)
{
strcpy(s4,s2);
strcat(s4,s3);
strcpy(s1,s2);
strcpy(s2,s3);
strcpy(s3,s4);
}
long nr1=0,nr2=0;
for (i=0;i<strlen(s3);i++)
if (s3[i]=='1') nr1++;
else nr2++;
long p;char c1[50000],c2[50000],max1[50000],max2[50000];max1[0]='z';max1[1]=0;max2[0]=0;c1[0]=0;c2[0]=0;
long h;int sw=0;m=strlen(s);
int sw1=0;
for (i=1;i<=m/nr1;i++)
if ((m-nr1*i)%nr2==0) {
p=(m-nr1*i)/nr2;
if (s3[0]=='1') {
strncpy(c1,s,i);
strncpy(c2,s,i+p);
c1[i]=0;c2[i+p]=0;
intorc(c2);
c2[p]=0;
intorc(c2);
}
else {
strncpy(c2,s,i);
strncpy(c1,s,i+p);
c1[i+p]=0;c2[i]=0;
intorc(c1);
c1[i]=0;
intorc(c1);
}
k=i+p;
sw=0;
for (j=2;j<strlen(s3) && !sw;j++)
{
if (s3[j]=='1') for (h=0;h<strlen(c1)&&!sw;h++)
if (c1[h]!=s[k++]) sw=1;
if (s3[j]=='2') for (h=0;h<strlen(c2)&&!sw;h++)
if (c2[h]!=s[k++]) sw=1;
}
if (sw==0) {
sw1=1;
if (strcmp(max1,c1)>0) {
strcpy(max1,c1);max1[strlen(c1)]=0;
strcpy(max2,c2);max2[strlen(c2)]=0;
}
} }
ofstream g("lampa.out");
if (sw1==0) g<<-1;
else g<<max1<<"\n"<<max2;
g.close();
return 0;
}