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  1. #include <iostream>
  2. #include <conio.h>
  3. #include <math.h>
  4.  using namespace std;
  5. struct Vector{
  6.     short *x;
  7.     int n;        //numarul de elemente
  8. };
  9.  
  10. int getN (Vector *v){
  11.     return v->n;
  12. }
  13.  
  14. void setN (Vector *v, int nr){
  15.     if (nr<1) v->n=1;
  16.         else v->n=nr;
  17. }
  18.  
  19. short getX (Vector *v, int pos){
  20.     if ((pos>=0)&&(pos<getN(v)))
  21.         return v->x[pos];
  22.     cout << "Position Error" << endl;
  23.     return 0;
  24. }
  25.  
  26. void setX (Vector *v, int pos, short value){
  27.     if ((pos>=0)&&(pos<getN(v)))
  28.         v->x[pos]=value;
  29.     else cout << "Position Error" << endl;
  30. }
  31.  
  32. void initVector(Vector *v,int max){
  33.     setN(v,max);
  34.     short *ptr=new short[v->n];
  35.     v->x=ptr;
  36.     for (int i=0; i<v->n; i++)
  37.         v->x[i]=0;
  38. }
  39.  
  40. void deleteVector (Vector *v){
  41.     delete[] v->x;
  42.     v->n=NULL;
  43. }
  44.  
  45. short SumPar (Vector *v){
  46.     short sum=0;
  47.     for (int i=1; i<getN(v); i+=2)
  48.         sum+=getX(v,i);
  49.     return sum;
  50. }
  51.  
  52. double Norma (Vector *v){
  53.     short sum=0;
  54.     for (int i=0; i<getN(v); i++)
  55.         sum+=getX(v,i)*getX(v,i);
  56.     return sqrtf(sum);
  57. }
  58.  
  59. void main(){
  60.     Vector *tab;
  61.     int N,num;
  62.     short val;
  63.  
  64.  
  65.     cout << "Dati numarul de vectori: ";
  66.     cin >> N;
  67.     if (N==0) return;
  68.     tab = new Vector[N];
  69.     for (int i=0; i<N; i++){
  70.         cout << "dati numarul de elemente a vectorului " << (i+1) << ": ";
  71.         cin >> num;
  72.         initVector(&tab[i], num);
  73.         cout << "dati elementele: ";
  74.         for (int j=0; j<getN(&tab[i]); j++){
  75.             cin >> val;
  76.             setX(&tab[i],j,val);
  77.         }
  78.     }
  79.  
  80.     //Afisarea vectorilor
  81.     for (int i=0; i<N; i++){
  82.         cout << "v" << (i+1) << ": ";
  83.         for (int j=0; j<getN(&tab[i]); j++)
  84.             cout << getX(&tab[i],j) << " ";
  85.         cout << endl;
  86.     }
  87.  
  88.     //Afisarea sumelor
  89.     for (int i=0; i<N; i++)
  90.         cout << "\ns" << (i+1) << "=" << SumPar(&tab[i]);
  91.  
  92.  
  93.     //Compararea vectorilor
  94.     cout << "\ncare 2 vectori doriti sa comparati?" << endl;
  95.     int v1,v2;
  96.     double n1,n2;
  97.     cin >> v1 >> v2;
  98.     if (v1<=0||v1>N||v2<=0||v2>N) 
  99.         cout << "\nEroare. Nu exista astfel de vectori\n";
  100.     else {
  101.         n1=Norma(&tab[v1-1]);
  102.         n2=Norma(&tab[v2-1]);
  103.         if (n1>n2) {
  104.             cout << "v" << v1 << " > v" << v2 << endl;
  105.             cout << n1 << " > " << n2 << endl;
  106.             }
  107.         else if (n1==n2){
  108.                 cout << "v" << v1 << " = v" << v2 << endl;
  109.                 cout << n1 << " = " << n2 << endl;
  110.                 }
  111.             else {
  112.                 cout << "v" << v1 << " < v" << v2 << endl;
  113.                 cout << n1 << " < " << n2 << endl;
  114.                 }
  115.         }
  116.  
  117.     //Stergerea tuturor vectorilor
  118.     for (int i=0; i<N; i++)
  119.         deleteVector(&tab[i]);
  120. getch();
  121. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:2:19: fatal error: conio.h: No such file or directory
 #include <conio.h>
                   ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/Xjp2Yr
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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