tahu apa data inputnya apakah bilangan bulat atau tidak
#include <iostream>
using std::cout;
using std::cin;
using std::endl
using std::string;
bool isNumber(const string& str)
{
for (char const &c : str) {
if (std::isdigit(c) == 0) return false;
}
return true;
}
int main(){
string str1 = "231524randstr23";
string str2 = "23152423";
string str3 = "a3152423";
isNumber(str1) ? cout << "Number\n" : cout << "Not number\n";
isNumber(str2) ? cout << "Number\n" : cout << "Not number\n";
isNumber(str3) ? cout << "Number\n" : cout << "Not number\n";
return EXIT_SUCCESS;
}
Nutty Narwhal