type ocenka=1..5; var a: array [1..12] of ocenka; i:integer; s: real; begin s:=0; for i:=1 to 12 do begin readln(a[i]); s:=s+a[i]; end; writeln(s/12:0:3); end.
Var i,j,n:integer; m: array[1..10,1..10] of integer; flag:boolean; sum: array[0..1] of longint; begin readln(n); flag:=true; for i:=1 to n do begin for j:=1 to n do read(m[i,j]); readln; end; //Проверяем строки i:=1; for j:=1 to n do sum[i mod 2]:=sum[i mod 2]+m[i,j]; while ((i<n) and flag) do begin i:=i+1; for j:=1 to n do sum[i mod 2]:=sum[i mod 2]+m[i,j]; if sum[0]<>sum[1] then flag:=false; sum[(i+1) mod 2]:=0; end; //Проверяем столбцы sum[0]:=0; sum[1]:=0; j:=1; for i:=1 to n do sum[j mod 2]:=sum[j mod 2]+m[i,j]; while ((j<n) and flag) do begin j:=j+1; for i:=1 to n do sum[j mod 2]:=sum[j mod 2]+m[i,j]; if sum[0]<>sum[1] then flag:=false; sum[(j+1) mod 2]:=0; end; sum[0]:=0; sum[1]:=0; j:=1; for i:=1 to n do begin sum[0]:=sum[0]+m[i,j]; sum[1]:=sum[1]+m[n-i+1,j]; j:=j+1; end; if sum[0]<>sum[1] then flag:=false; if flag then writeln('Магический'); end.
type ocenka=1..5;
var a: array [1..12] of ocenka;
i:integer;
s: real;
begin
s:=0;
for i:=1 to 12 do begin
readln(a[i]);
s:=s+a[i];
end;
writeln(s/12:0:3);
end.