const n=5; var a:array[1..n,1..n] of integer; x:array[1..n] of double; i,j,k:byte; begin Randomize; Writeln('*** Исходный массив ***'); for i:=1 to n do begin for j:=1 to n do begin a[i,j]:=Random(51)-25; Write(a[i,j]:4) end; Writeln end; Writeln('*** Массив x ***'); for j:=1 to n do begin x[j]:=0; k:=0; for i:=1 to n do if a[i,j] mod 2=0 then begin x[j]:=x[j]+a[i,j]; Inc(k) end; if k>0 then x[j]:=x[j]/k; Write(x[j]:0:5,' ') end; Writeln end.
const
n=5;
var
a:array[1..n,1..n] of integer;
x:array[1..n] of double;
i,j,k:byte;
begin
Randomize;
Writeln('*** Исходный массив ***');
for i:=1 to n do begin
for j:=1 to n do begin
a[i,j]:=Random(51)-25;
Write(a[i,j]:4)
end;
Writeln
end;
Writeln('*** Массив x ***');
for j:=1 to n do begin
x[j]:=0; k:=0;
for i:=1 to n do
if a[i,j] mod 2=0 then begin
x[j]:=x[j]+a[i,j]; Inc(k)
end;
if k>0 then x[j]:=x[j]/k;
Write(x[j]:0:5,' ')
end;
Writeln
end.
Тестовое решение:
*** Исходный массив ***
-10 18 -8 -15 5
-21 -18 6 -2 9
-7 22 -4 3 14
21 16 -10 -18 -9
17 3 -14 -18 12
*** Массив x ***
-10.00000 9.50000 -6.00000 -12.66667 13.00000
public static void main(String args[]){
java.util.Scanner in = new java.util.Scanner(System.in);
String string = in.nextLine(); char chars[] = new char[4];
chars[0] = in.nextLine().charAt(0); chars[2] = in.nextLine().charAt(0);
for(int sChar = 0; sChar<string.length(); sChar++)
if(string.charAt(sChar)==chars[0])chars[1]++;
else if(string.charAt(sChar)==chars[2])chars[3]++;
System.out.print("\n"+(chars[1]==chars[3]?chars[0]+""+chars[2]:chars[1]>chars[3]?chars[0]:chars[2]));
}
}