uses crt;
const nmax=10;
mmax=15;
var a:array[1..nmax,1..mmax] of integer;
m,n,i,j,jmn,jmx:byte;
x:integer;
begin
clrscr;
randomize;
repeat
write('Количество строк до ',nmax,' n=');
readln(n);
until n in [1..nmax];
repeat
write('Количество столбцов до ',mmax,' m=');
readln(m);
until m in [1..mmax];
writeln('Исходная матрица:');
for i:=1 to n do
begin
for j:=1 to m do
begin
a[i,j]:=random(20);
write(a[i,j]:4);
end;
writeln;
end;
writeln;
for i:=1 to n do
begin
jmn:=1;jmx:=1;
for j:=1 to m do
begin
if a[i,j]<a[i,jmn] then jmn:=j;
if a[i,j]>a[i,jmx] then jmx:=j;
end;
x:=a[i,jmn];
a[i,jmn]:=a[i,jmx];
a[i,jmx]:=x;
end;
writeln('Обмен максимальных и минимальных в строках:');
for i:=1 to n do
begin
for j:=1 to m do
write(a[i,j]:4);
writeln;
end;
readln
end.