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October 19, 2017 13:58
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2017.10.19
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#include <iostream> | |
using namespace std; | |
int main() | |
{ | |
int a, b, c, x, y; | |
cout <<"方程式: y=a*x*x+b*x+c\n"; | |
cout <<"請輸入方程式中的a\n"; | |
cin >> a; | |
cout <<"請輸入方程式中的b\n"; | |
cin >> b; | |
cout <<"請輸入方程式中的c\n"; | |
cin >> c; | |
cout <<"你輸入的方程式是: y=" << a <<"x*x+" << b << "x+" << c; | |
cout <<"\n\n請輸入方程式中的x\n"; | |
cin >> x; | |
cout <<"請輸入方程式中的y\n"; | |
cin >> y; | |
if (y==a*x*x+b*x+c){ | |
cout <<"你輸入的: x=" << x <<" y=" << y <<" 在 y=" << a <<"x*x+" << b << "x+" << c <<"上\n"; | |
} else { | |
cout <<"你輸入的: x=" << x <<" y=" << y <<" 不在 y=" << a <<"x*x+" << b << "x+" << c <<"上"; | |
} | |
cout <<"\n\n感謝您的使用,再見!"; | |
return 0; | |
} |
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