{ работает с матрицей 4*4 }
Program P3;
const
n = 4;
var
V: array [1 .. n, 1 .. n] of integer;
D: array [1 .. n] of integer;
i, j: integer;
begin
writeln('Vvedite massiv');
for i := 1 to n do
for j := 1 to n do
begin
readln(V[i, j]);
writeln('V[', i, ',', j, ']=', V[i, j]);
end;
for i := 1 to n do
for j := 1 to n do
if i = j then
D[i] := V[i, j];
for i := 1 to n do
begin
writeln;
for j := 1 to n do
begin
V[i, j] := V[i, j] + D[i];
write(V[i, j]:3);
end;
end;
readln;
end.