Просьба с помощью к программистам.⁠⁠

var
res: Real;
i, j: integer;
max: array of real;
begin
for I := 0 to sgMatrix.colCount - 1 do
for j := 0 to sgMatrix.rowCount - 1 do
sgMatrix.Cells[i, j] := FloatToStr(Random(100));
SetLength(max, sgMatrix.colCount);
max[0] := StrToFloat(sgMatrix.Cells[0, 0]);
for I := 0 to sgMatrix.colCount - 1 do
begin
for j := 0 to sgMatrix.rowCount - 1 do
begin
if max[i] < StrToFloat(sgMatrix.Cells[i, j]) then
max[i] := StrToFloat(sgMatrix.Cells[i, j])
end;
end;
res := Max[0];
for I := 0 to Length(max) - 1 do
if res > Max[i] then
res := Max[i];
ShowMessage(FloatToStr(res));
end;

тут все ошибки исправил

program Project1;

{$APPTYPE CONSOLE}

uses
SysUtils;

const
m = 5;
n = 5;
Var
mas: array[1..m, 1..n] of integer;
mas_mx: array[1..n] of integer;
i, j, k: byte;
min, max: integer;
begin
randomize;
max := 0;
min := 100;
k := 1;
for i := 1 to m do
begin
for j := 1 to n do
begin
mas[i,j] := random(100);
write(mas[i,j], ' ');
end;
writeln;
end;
for j := 1 to n do
begin
max := 0;
for i := 1 to m do
begin
if (mas[i,j] > max) then
begin
max := mas[i,j];
mas_mx[j] := mas[i,j];
end;
end;
writeln(mas_mx[j]);
end;
for k := 1 to n do
begin
if (mas_mx[k] < min) then min := mas_mx[k];
end;
writeln('Min ', min);
readln;
end.

var
res: Real;
i, j: integer;
min: Real;
begin
for I := 0 to sgMatrix.colCount - 1 do
for j := 0 to sgMatrix.rowCount - 1 do
sgMatrix.Cells[i, j] := FloatToStr(Random(100));
min := StrToFloat(sgMatrix.Cells[0, 0]);
for I := 0 to sgMatrix.rowCount - 1 do
begin
for j := 0 to sgMatrix.colCount - 1 do
begin
if min > StrToFloat(sgMatrix.Cells[j, i]) then
min := StrToFloat(sgMatrix.Cells[j, i]);
end;
mmoResult.Lines.Add('Минимум строки ' + Floattostr(i) + ' : ' + floattostr(min));
if i + 1 < sgMatrix.rowCount then
min := StrToFloat(sgMatrix.Cells[0, i + 1]);
end;
end;