Дана целочисленная матрица {Aij}i=1…n;j=1..n , n меньше или равно 100.
program PascalGuru;
uses crt;
type
matr = array [1 .. 100, 1 .. 100] of integer;
var
a, x: matr;
i, j, k, n: integer;
Function Chislo(x: integer): integer;
var
m, l: integer;
begin
x := abs(x);
m := x div 10;
l := x mod 10;
if ((m = 5) or (l = 5)) and (m <> 3) and (l <> 3) then
Chislo := 1
else
Chislo := 0;
end;
Procedure max(var x: matr);
var
max1, l: integer;
p: longint;
begin
for i := 1 to n do
begin
max1 := x[i, 1];
p := 1;
l := 1;
for j := 1 to n do
begin
p := p * x[i, j];
if max1 < x[i, j] then
begin
max1 := x[i, j];
l := j;
end;
end;
x[i, l] := p;
end;
end;
begin
clrscr;
writeln('введите n');
readln(n);
for i := 1 to n do
for j := 1 to n do
begin
read(a[i, j]);
end;
writeln;
writeln('исходная матрица');
for i := 1 to n do
begin
for j := 1 to n do
write(a[i, j]:4);
writeln;
end;
for i := 1 to n do
if Chislo(a[i, i]) = 1 then
k := k + 1;
if k >= 2 then
max(a);
writeln('результат');
for i := 1 to n do
begin
for j := 1 to n do
write(a[i, j]:5);
writeln;
end;
readln;
end.