#include "stdio.h" #include "math.h" int main(void) { int a, b, c; double x1, x2, square, unsquared; printf("请输入三个整数,以c);实现二元一次方程基本形式ax^2+bx+c=0\n"); scanf("%d%d%d", &a, &b, &c); unsquared = b * b - 4 * a*c; square = sqrt(unsquared); x1 = (0 - b + square) / (2.0 * a); x2 = (0 - b - square) / (2.0* a); if (x1 > x2) printf("%0.2f %0.2f。", x1, x2); else printf("%0.2f %0.2f。", x2, x1); return 0; } |
Double click to view unformatted code.