#include<iostream> #include<iomanip> #include<string> #include<algorithm> #include<math.h> using namespace std; int main(){ int a,b,c; double temp,x1,x2; scanf("%d %d %d",&a,&b,&c); temp=b*b-4*a*c; if(temp<=0){ return -1; } else{ x1=(-b+sqrt(temp))/2/a; x2=(-b-sqrt(temp))/2/a; printf("%.2f %.2f",x1,x2); } return 0; } |
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