uses crt;
const nmax=20;
type simv=array[1..nmax,1..nmax] of char;
code=array[1..nmax,1..nmax] of byte;
procedure SimToCod(s:simv;x,y:byte;var c:code);
var i,j:byte;
begin
for i:=1 to x do
begin
for j:=1 to y do
begin
c[i,j]:=ord(s[i,j]);
write(c[i,j]:4);
end;
writeln;
end;
writeln;
end;
procedure CodToSim(c:code;x,y:byte;var s:simv);
var i,j:byte;
begin
for i:=1 to x do
begin
for j:=1 to y do
begin
s[i,j]:=chr(c[i,j]);
write(s[i,j]:4);
end;
writeln;
end;
writeln;
end;
var a:simv;
b:code;
m,n,i,j:byte;
begin
clrscr;
randomize;
repeat
write('Количество строк до ',nmax,' n=');
readln(n);
until n in [1..nmax];
repeat
write('Количество столбцов до ',nmax,' m=');
readln(m);
until m in [1..nmax];
writeln('Исходная матрица:');
for i:=1 to n do
begin
for j:=1 to m do
begin
a[i,j]:=chr(random(224)+32);
write(a[i,j]:4);
end;
writeln;
end;
writeln;
SimToCod(a,n,m,b);
CodToSim(b,n,m,a);
readln
end.