Const n=4; m=5; var a:array [1..n,1..m] of integer; i,j,min,imin,jmin:integer; begin Randomize; Writeln('Исходный массив:'); for i:=1 to n do begin for j:=1 to m do begin a[i,j]:=random(21)-10; write(a[i,j]:6); end; writeln; end; min:=a[1,1]; imin:=1;jmin:=1; for i:=1 to n do for j:=1 to m do if a[i,j]<min then begin min:=a[i,j]; imin:=i; jmin:=j; end; writeln('min=a[',imin,',',jmin,']=',min); end.
1)
const N = 4;
var i, j, count, sum, un_count, un_sum:integer;
a:array[1..N, 1..N] of integer;
begin
count:=0;
sum:=0;
un_count:=0;
un_sum:=0;
for i:=1 to N do
for j:= 1 to N do a[i, j]:=random(99)-99;
for i:=1 to N do
for j:= 1 to N do begin
if (a[i,j] < 0) then begin
un_sum:= un_sum + a[i, j];
un_count:= un_count + 1;
end
else begin
sum:= sum + a[i, j];
count:= count + 1;
end;
end;
writeln('Среднее положительное: ', sum/count);
write('Среднее отрицательное: ', un_sum/un_count);
end.
2)
const N = 4;
var i, j, count, sum:integer;
a:array[1..N, 1..N] of integer;
begin
for i:= 1 to N do
for j:= 1 to N do
a[i, j]:= random (99);
for i:=1 to N do
for j:= 1 to N do begin
if (a[i, j] mod 10 = a[i, j] div 10) then
count:= count + 1;
if (count = N) and (j = N) then write('Ряд ', i, 'парный.') else count:= 0;
end;
end.