uses crt; var a: array [1..20, 1..20] of real; i, j, k, n, s: integer; begin clrscr; write('Введите размер матрицы: '); read(n); for i := 1 to n do for j := 1 to n do begin write('A[', i, ',', j, ']= '); readln(a[i, j]); end; WRITELN; WRITELN; writeln('Исходная матрица ', n, 'x', n, ': '); for i := 1 to n do begin for j := 1 to n do WRITE(a[i, j]:2:0, ' '); WRITELN; end; k := 0; for i := 1 to n do begin for j := 1 to n do begin if a[i, j] = 0 then begin k := k + 1; s := s + 1; end; end; if k = n then writeln(i, ' строка состоит из нулей! '); k := 0; end; if s = 0 then writeln('В матрице нет нулевых строк'); end.
#include <iostream>
using namespace std;
void findDayOfWeek(int day) {
switch (day) {
case 1:
cout << "Понедельник";
break;
case 2:
cout << "Вторник";
break;
case 3:
cout << "Среда";
break;
case 4:
cout << "Четверг";
break;
case 5:
cout << "Пятница";
break;
case 6:
cout << "Суббота";
break;
case 7:
cout << "Воскресенье";
break;
default:
findDayOfWeek(day - 7);
}
}
int main() {
setlocale(0, "RU");
int day;
cin >> day;
findDayOfWeek(day);
return 0;
}
