#include <iostream>
#include <vector>
using namespace std;
typedef pair<int, int> rb;
int main() {
vector<rb> lst;
int n;
cout<<"n = "; cin>>n;
int a[n][n];
for (int i=0; i<n; i++) {
cout<<"row "<<i+1<<": ";
for (int j=0; j<n; j++) cin>>a[i][j];
}
cout<<"list of edges"<<endl;
for (int i=0; i<n; i++)
for (int j=i+1; j<n; j++)
if (a[i][j]>0) lst.push_back(make_pair(i+1,j+1));
for (int i=0; i<lst.size(); i++)
cout<<lst[i].first<<" "<<lst[i].second<<endl;
system("pause");
return 0;
}
var
a: array[1..100] of integer;
n, i: byte;
sum, p: integer;
begin
Randomize;
readln(n);
sum:=0; p:=1;
for i:=1 to n do
begin
a[i]:=Random(101)-50;
write(a[i]:4);
sum:=sum+a[i];
p:=p*a[i];
end;
writeln;
writeln('Сумма = ', sum:5);
writeln('Произведение = ', p:5);
sum:=0; p:=1;
writeln('');
writeln('2. С клавиатуры');
for i:=1 to n do
begin
write('Элемент ', i, ' = ');
readln(a[i]);
sum:=sum+a[i];
p:=p*a[i];
end;
writeln('Сумма = ', sum:5);
writeln('Произведение = ', p:5);
end.
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