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Код: Выделить всё

#include<iostream.h>
#include<conio.h>
#include<stdlib.h>
#include<stdio.h>
#include<string.h>
 
FILE *f;
 
int k;
void menu();
void write();
void read();
 
void main() { menu(); }
 
//---------------------------------------------------------
 
void menu()
{
     int c;
     clrscr();
     cout<<"||==============================||"<<endl;
     cout<<"||            MENU              ||"<<endl;
     cout<<"||==============================||"<<endl;
     cout<<"|| 1.Create file                ||"<<endl;
     cout<<"|| 2.Components of the file     ||"<<endl;
     cout<<"|| 3.Exit                       ||"<<endl;
     cout<<"||==============================||"<<endl;
 
     cout<<"\nViberite deistvie: ";
     do
     {
        c=getch();
        switch(c)
        {
            case 49: write();
            case 50: read();
            case 51: exit(0);
        }
     }
     while((c<49)||(c>51));
}
 
//---------------------------------------------------------
 
void read()
{
     char fname[100];
     int a[30][30], b[30][30], i, j, r;
     clrscr();
     cout<<"Enter name of file for reading: ";
     gets(fname);
     f=fopen(fname, "w");
     fprintf(f, "%d", &a[i][j]);
     cout<<"\n\nOriginal matrix:\n\n";
     for(i=0; i<k; i++)
         for(j=0; j<k; j++)
              a[i][j]=random(30);
     for(i=0; i<k; i++)
     {
         for(j=0; j<k; j++)
              cout<<a[i][j]<<" ";
         cout<<"\n";
     }
     cout<<"\nTranspose:\n";
     for(i=0; i<k; i++)
         for(j=0; j<k; j++)
         {
            r=a[i][j];
            a[i][j]=b[j][i];
            b[j][i]=r;
         }
     cout<<" "<<r;
     fclose(f);
     cout<<"\n\nFINISHED!!!";
     getch();
     menu();
}
 
//----------------------------------------------------
 
void write()
{
 
     int a[30][30], i, j;
     char fname[100];
     clrscr();
     cout<<"Enter name of file: ";
     gets(fname);
     f=fopen(fname, "w");
     randomize();
     cout<<"\nRazmernost matrici, k=";
     cin>>k;
     fprintf(f, "%d ", a[i][j]);
     cout<<endl<<"Zapisano v fail!";
     fclose(f);
     getch();
     menu();
}