# include<stdio.h> # include<math.h> int mian(void) { float a,b,c,x1,x2; scanf("%f%f%f",&a,&b,&c); x1 = (-b+sqrt(b*b-4*a*c))/(2*a); x2 = (-b-sqrt(b*b-4*a*c))/(2*a); printf("%.2f\n",x1,x2); return 0; } /* Main.c: In function 'mian': Main.c:9:5: warning: too many arguments for format [-Wformat-extra-args] printf("%.2f\n",x1,x2); ^ /usr/lib/gcc/x86_64-linux-gnu/4.9/../../../x86_64-linux-gnu/crt1.o: In function `_start': (.text+0x20): undefined reference to `main' collect2: error: ld returned 1 exit status */ |
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