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- #include <fstream>
- #include <cstring>
- using namespace std;
- ifstream f("interesant.in");
- ofstream g("interesant.out");
- unsigned short k,n,lmax,nr;
- char s[205][5001],Max[5001];
- bool Interesant[205];
- void Citire()
- {
- f>>k>>n;
- for(int i=1; i<=n; i++)
- {
- f.get();
- f.get(s[i],5001);
- }
- }
- int Verificare(char a[5001], char b[5001])
- {
- long l1=strlen(a),l2=strlen(b);
- if(l1<l2)
- return 0;
- int j=0;
- for(int i=0;i<l1 && j<l2;i++)
- if(a[i]==b[j])
- j++;
- if(j==l2)return 1;
- return 0;
- }
- void Rezolvare()
- {
- if(k==1)
- {
- strcpy(Max,s[1]);
- for(int i=2; i<=n; i++)
- {
- long l=strlen(s[i]);
- if(lmax<l)
- {
- strcpy(Max,s[i]);
- lmax=l;
- }
- else if(lmax==l && strcmp(s[i],Max)<0)
- strcpy(Max,s[i]);
- }
- g<<Max;
- }
- else
- {
- for(int i=1; i<=n; i++)
- for(int j=1; j<=n; j++)
- if(j!=i && Verificare(s[j],s[i]))
- {
- nr++;
- Interesant[i]=1;
- break;
- }
- g<<n-nr<<endl;
- for(int i=1; i<=n; i++)
- if(!Interesant[i])
- g<<s[i]<<endl;
- }
- }
- int main()
- {
- Citire();
- Rezolvare();
- return 0;
- }
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