#include <stdio.h> #include <math.h> int main() { int a,b,c; scanf("%d%d%d",&a,&b,&c); int d; d=b*b-4*a*c; if (d<=0) { printf("error!\n"); } float x1,x2; x1=((-b)+sqrt(d))/(2*a); x2=((-b)-sqrt(d))/(2*a); float t; if (x1<x2) { x1=t; x1=x2; x2=t; } printf("%.2f %.2f\n",x1,x2); } |
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