const n=10; m=3;var a:array[1..n,1..m] of integer;i,j,s,k:integer; p:real;beginRandomize;writeln('Исходный массив:');for i:=1 to n do begin for j:=1 to m do begin a[i,j]:=random(81)+20; write(a[i,j]:4); end; writeln; end;s:=0;for i:=1 to n do for j:=1 to m do s:=s+a[i,j];p:=s/n*0.8;writeln('p = ',p:5:2);writeln('Зачислены:');k:=0;for i:=1 to n do begin s:=0; for j:=1 to m do s:=s+a[i,j]; if s>=p then begin write(i,' '); k:=k+1; end; end;writeln;writeln('k = ',k);end.Пример: 76 62 50
37 73 22
61 99 36
22 69 38
27 82 22
93 56 37
79 84 51
83 31 60
61 39 95
70 70 100
p = 142.80
Зачислены:
1 3 6 7 8 9 10 k = 7