uses crt;
const n:=5;
var i,j:integer;
t,sum:real;
b:array[1..n,1..n] of real;
begin
clrscr;
for i:=1 to 5 do begin
for j:=1 to 5 do begin
b[i,j]:=random;
write(b[i,j]:0:2,' ');
end;
writeln;
end;
for i:=1 to 5 do begin
for j:=1 to 5 do begin
t:=b[1,j];
b[1,j]:=b[5,j];
b[5,j]:=t;
end;
sum:=0;
for i:=1 to 5 do
begin
for j:=1 to 5 do
if (i+j-1<5)then
begin
sum:=sum+b[i,j];
end;
end;
end;
writeln;
writeln(sum:2:2);
writeln;
end
М | Теги! Правила Форума, п.5, и правила раздела Задачи, п.2 Lapp |