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  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4.  
  5. struct tablica
  6.   {
  7.    int roz;
  8.    signed int *tab;
  9.    tablica():roz(0),tab(0) {}
  10.    void dodaj(int nr,signed int wartosc);
  11.    void usun(int nr);
  12.   };
  13.  
  14. void tablica::dodaj(int nr,signed int wartosc)
  15.   {
  16.    signed int *buff=new signed int[roz+1];
  17.    memcpy(buff,tab,nr*sizeof(signed int));
  18.    buff[nr]=wartosc;
  19.    memcpy(buff+nr+1,tab+nr,(roz-nr)*sizeof(signed int));
  20.    delete[] tab;
  21.    tab=buff;
  22.    ++roz;
  23.   }
  24.  
  25. void tablica::usun(int nr)
  26.   {
  27.    signed int *buff=new signed int[roz-1];
  28.    memcpy(buff,tab,nr*sizeof(signed int));
  29.    memcpy(buff+nr,tab+nr+1,(roz-nr-1)*sizeof(signed int));
  30.    delete[] tab;
  31.    tab=buff;
  32.    --roz;
  33.   }
  34.  
  35. int main()
  36.   {
  37.    tablica T;
  38.    T.dodaj(0,3);
  39.    for(int i=0;i<T.roz;++i) cout<<T.tab[i]<<' ';
  40.    cout<<endl;
  41.    T.dodaj(1,5);
  42.    T.dodaj(0,1);
  43.    for(int i=0;i<T.roz;++i) cout<<T.tab[i]<<' ';
  44.    cout<<endl;
  45.    T.dodaj(3,6);
  46.    T.dodaj(2,4);
  47.    T.dodaj(1,2);
  48.    T.dodaj(0,0);
  49.    for(int i=0;i<T.roz;++i) cout<<T.tab[i]<<' ';
  50.    cout<<endl;
  51.    T.usun(0);
  52.    T.usun(1);
  53.    T.usun(2);
  54.    T.usun(3);
  55.    for(int i=0;i<T.roz;++i) cout<<T.tab[i]<<' ';
  56.    cout<<endl;
  57.    return 0;
  58.   }
Success #stdin #stdout 0s 3428KB
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language:

						
C++ (gcc 8.3)

					

					

						
created:
								
						
10 years ago

					

					

						
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