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3 years ago
740 B
745
Indexable
Never
#include<math.h> #include<stdio.h> int main() { int a,b,c,delta; scanf("%d %d %d",&a,&b,&c); if(b != 0 && c == 0){ printf(0); } if(a == 0){ if(b == 0){ if(c == 0){ printf("INF"); } else if(c != 0){ printf("NO"); } } else if(b != 0){ if(c == 0){ printf("0.00"); } else{ printf("%.2f",(float)-c/b); } } }else if ( a != 0){ delta=b*b-4*a*c; if (delta<0) printf("NO"); else if (delta==0) printf("%.2f",(float)-b/(2*a)); else printf("%.2f %.2f",((float)-b-sqrt(delta))/(2*a),((float)-b+sqrt(delta))/(2*a)); } return 0; }