atividade-neto

#include <iostream>
#include <cstdlib>
#include <locale.h>
#define l 4
#define c 4
using namespace std;
int main (){
    setlocale(LC_ALL,"Portuguese");
    int o,m,m1;
    int mat[l][c];
    int lin,col, d=0, t=0;
             do {
        system("cls");
        cout<<"***************************************************************"<<endl;
        cout<<"| Escolha uma opção                                           |"<<endl;
        cout<<"| 1 - Gerar Matriz                                            |"<<endl;
        cout<<"| 2 - Exibir Matriz                                           |"<<endl;
        cout<<"| 3 - Exibir elementos da diagonal principal                  |"<<endl;
        cout<<"| 4 - Exibir elementos da diagonal secundária                 |"<<endl;
        cout<<"| 5 - Exibir elementos do triângulo superior                  |"<<endl;
        cout<<"| 6 - Exibir elementos do triângulo inferior                  |"<<endl;
        cout<<"| 7 - Exibir maior e menor elementos                          |"<<endl;
        cout<<"| 8 - Exibir a matriz em 90º                                  |"<<endl;
        cout<<"| 9 - Exibir a matriz em 90º X matriz original                | "<<endl;
        cout<<"| 10 - Exibir a matriz em 180º                                |"<<endl;
        cout<<"| 11 - Exibir a matriz em 180º X matriz original              |"<<endl;
        cout<<"| 12 - Sair                                                   |"<<endl;
        cout<<"***************************************************************"<<endl;
        cin>>o;
        switch(o){
            case 1:
                for (lin=0; lin<l; lin++)
                    for (col=0; col<c; col++)
                    {
                    cout<<"Digite uma letra na linha "<<lin<<" e coluna "<<col<<" :";
                    cin>>mat[lin][col];
                     }


            system("pause");
        break;
            case 2:
                cout<<endl;
                cout<<"*********************************"<<endl;
                cout<<"         MATRIZ 4 X 4"<<endl<<endl;
                for (lin=0; lin<l; lin++)
                   {
                    for (col=0; col<c; col++)
                        cout<<mat[lin][col]<<"\t";
                        cout<<endl<<endl<<endl;
                    }
                cout<<"*********************************"<<endl;
            system("pause");
        break;
            case 3:
                cout<<endl;
                cout<<"*********************************"<<endl;
                cout<<"       DIAGONAL PRINCIPAL"<<endl<<endl;
                  for (lin=0; lin<l; lin++)
                    {
                      for (col=0; col<c; col++)
                        if(lin==col)
                            cout<<mat[lin][col]<<"\t";
                          else
                            cout<<" "<<"\t";

                      cout<<endl<<endl<<endl;
                    }
                cout<<"*********************************"<<endl;

            system("pause");
        break;
            case 4:
                cout<<endl;
                cout<<"*********************************"<<endl;
                cout<<"       DIAGONAL SECUNDÁRIA"<<endl<<endl;
                for (lin=0; lin<l; lin++)
                {
                      for (col=0; col<c; col++)
                      if (lin==col && lin>0)
                      cout<<mat[lin][(col-1)]<<"\t";
                      else
                      cout<<" "<<"\t";
                      cout<<endl<<endl<<endl;
                    }
                cout<<"*********************************"<<endl;
                    system("pause");
        break;

            case 5:
                cout<<endl;
                cout<<"*********************************"<<endl;
                cout<<"        TRIÂNGULO SUPERIOR       "<<endl<<endl;
                for (lin=0; lin<l; lin++)
                    {
                      for (col=0; col<c; col++)
                        if(lin<col)
                        cout<<mat[lin][col]<<"\t";
                            else
                            cout<<" "<<"\t";
                            cout<<endl<<endl<<endl;
                    }
                cout<<"*********************************"<<endl;
            system("pause");
        break;


            case 6:
                cout<<endl;
                cout<<"*********************************"<<endl;
                cout<<"         TRIÂNGULO INFERIOR      "<<endl;
                for (lin=0; lin<l; lin++)
                    {
                      for (col=0; col<c; col++)
                        if(lin>col)
                        cout<<mat[lin][col]<<"\t";
                            else
                            cout<<" "<<"\t";
                            cout<<endl<<endl<<endl;
                    }
                    cout<<"*********************************"<<endl;
            system("pause");
        break;
            case 7:
              cout<<endl;
              cout<<"*********************************"<<endl;
              for(lin=0; lin<l; lin++)
              for(col=0; col<c; col++)
                if(mat[lin][col]>m)
                 m=mat[lin][col];
                               for(lin=0; lin<l; lin++)
                               for(col=0; col<c; col++)
                                   if(mat[lin][col]<m1)
                                    m1=mat[lin][col];
                cout<<"Maior elemento : "<<m<<endl;
                cout<<"Menor elemento : "<<m1<<endl;
                cout<<"*********************************"<<endl;
            system("pause");
        break;
            case 8:
                cout<<endl;
                cout<<"*********************************"<<endl;
                cout<<"           MATRIZ 90º            "<<endl;
                cout<<endl<<endl;
                for (lin=0; lin<l; lin++)
                {
                    for (col=0;col<c; col++)
                        cout<<mat[(l-1)-col][lin]<<"\t";
                        cout<<endl<<endl<<endl;
                }
                cout<<"*********************************"<<endl;
            system("pause");
        break;
            case 9:
                cout<<endl;
                cout<<"*********************************"<<endl;
                cout<<"   MATRIZ 90º X MATRIZ ORIGINAL  "<<endl;
                cout<<endl<<endl;
                for (lin=0; lin<l; lin++)
                {
                    for (col=0;col<c; col++)
                        cout<<((mat[(l-1)-col][lin])*mat[lin][col])<<"\t";
                        cout<<endl<<endl<<endl;
                }
                cout<<"*********************************"<<endl;
            system("pause");
        break;
            case 10:
                cout<<endl;
                cout<<"*********************************"<<endl;
                cout<<"            MATRIZ 180º          "<<endl;
                cout<<endl<<endl;
                for (lin=0; lin<l; lin++)
                {
                    for (col=0;col<c; col++)
                        cout<<mat[(l-1)-lin][(c-1)-col]<<"\t";
                        cout<<endl<<endl<<endl;
                }
                cout<<"*********************************"<<endl;
            system("pause");
        break;
            case 11:
                cout<<endl;
                cout<<"*********************************"<<endl;
                cout<<"  MATRIZ 180º X MATRIZ ORIGINAL  "<<endl;
                cout<<endl<<endl;
                for (lin=0; lin<l; lin++)
                {
                    for (col=0;col<c; col++)
                        cout<<((mat[(l-1)-lin][(c-1)-col])*mat[lin][col])<<"\t";
                        cout<<endl<<endl<<endl;
                }
                cout<<"*********************************"<<endl;
            system("pause");
        break;
   }

      } while (o!=12);
}