как то так
Объяснение:
print("Ноль в качестве знака операции"
"\nзавершит работу программы")
while True:
s = input("Знак (+,-,*,/): ")
if s == '0':
break
if s in ('+', '-', '*', '/'):
x = float(input("x="))
y = float(input("y="))
if s == '+':
print("%.2f" % (x+y))
elif s == '-':
print("%.2f" % (x-y))
elif s == '*':
print("%.2f" % (x*y))
elif s == '/':
if y != 0:
print("%.2f" % (x/y))
else:
print("Деление на ноль!")
else:
print("Неверный знак операции!")
#include <iostream>
using namespace std;
int main()
{
int YBorn , YNow ;
cout <<"what year where you born in?"<<endl;
cin >>YBorn;
cout <<"what year is it now?"<<endl;
cin >>YNow;
int YOld=YNow-YBorn;
cout<<"at the end of the year:"<<endl;
cout << "you're " <<YOld << " years old"<<endl;
int MOld = YOld*12;
cout<< "and "<<MOld<<" month old"<<endl;
int DOld=YNow/4-YBorn/4+YOld*365;
cout<<"and "<<DOld<<" days old"<<endl;
int HOld=DOld*24;
cout<<"and "<<HOld<<" hours old"<<endl;
int MinOld=HOld*60;
cout<<"and "<<MinOld<<" minutes old"<<endl;
int SOld=MinOld*60;
cout<<"and "<<SOld<<" seconds old"<<endl;
cout<<"and "<<SOld<<"000 miliseconds old"<<endl;
system("pause");
return 0;
}