#include int main(void) { double a, b, c, D; printf("a: "); scanf("%lf", &a); printf("b: "); scanf("%lf", &b); printf("c: "); scanf("%lf", &c); D = b * b - 4 * a * c; if (D == 0.0) { puts("Superposition"); } else if (D < 0.0) { puts("Two complex answers"); } else if (D > 0.0) { puts("Two real answers"); } return 0; }