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2017.10.19 加分題
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#include <iostream> | |
#include <math.h> | |
using namespace std; | |
int main() | |
{ | |
int a, b, c, m, n, z; | |
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; | |
z=(b/2/a); | |
m=z*-1; | |
n=c-(z*z*a); | |
cout <<"你輸入的方程式: y=" << a << "x*x+" << b << "x+" << c <<"的頂點是: (" << m << "," << n << ")"; | |
cout <<"\n\n感謝您的使用,再見!"; | |
return 0; | |
} |
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