ИД
Иван Дяченко
var a: array[1..100,1..100] of integer; i,j,n,m,k,sum: integer;
begin
read(n);
k:=0;
for i:=1 to n do
begin
for j:=1 to n do
begin
read(a[i,j]);
end;
end;
sum:=0;
for i:=1 to n-1 do
for j:=i+1 to n
do
begin
inc(k)
end;
for i:=1 to n do
for j:=1 to n do
begin
if(i=3)then sum:=sum+a[i,j];
end;
writeln(k,' ',sum);
readln;readln
end.