關於c++中進位制輸入輸出
阿新 • • 發佈:2018-11-11
#include <iostream> using namespace std; void main() { int a = 010, b = 10, c = 0X10;//以0開頭的數是八進位制數,0X開頭的是16進位制數. //以十進位制顯示資料; cout << "DEC:" << endl; //cout << dec;//要不要都可以,預設輸出時以十進位制輸出; cout << "a= " << a<<endl; cout << "b = " << b<<endl; cout << "c = " << c<<endl; cout << endl; cout << "OCT" << endl; cout << oct; //指定八進位制輸出 cout << "a= " << a << endl; cout << "b = " << b << endl; cout << "c = " << c << endl; cout << endl; cout << "HEX" << endl; cout << hex; //指定十六進位制輸出 cout << "a= " << a << endl; cout << "b = " << b << endl; cout << "c = " << c << endl; //八,十和十六進位制數混合運算並輸出 cout << "a+b+c="; cout << dec; cout << a + b + c << endl; //測試八,十和十六進位制輸入以及輸出 cout << "DEC:a="; cin >>dec>> a; cout << "OCT:b="; cin >>oct>>b; cout << "HEX:a="; cin >>hex>>c; //全部指定為八進位制輸出 cout <<oct<< "a=" << a << endl; cout <<oct<< "b=" << b << endl; cout <<oct<< "c=" << c << endl; }
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