29 lines
664 B
C++

#include <iostream>
#include <fstream>
#include <iomanip>
int main() {
int n=10;
std::cout << std::hex << n << std::endl;
std::cout << std::dec << n << std::endl;
std::cout.operator<<(std::dec).operator<<(n).operator<<(std::endl);
std::ofstream output("square.txt", std::ios::out);
output<<" N | Square"<<std::endl;
output<<"------------"<<std::endl;
for (int i=1; i<=n; i++) {
output << i;
output << i*i;
/*
output << std::setfill(' ');
output << std::setw(2) << i;
output << std::setw(5) << i*i;
*/
output << std::endl;
}
output.close();
return 0;
}