#include mian() { double x,y,z,s; printf("input x,y,z:\n"); scanf("%lf %lf %lf",&x,&y,&z)#include mian(){ double x,y,z,s; printf("input x,y,z:\n"); scanf("%lf %lf %lf",&x,&y,&z); s=(x+y+z)/3; s=s*10; s=s+0.5; s=(int)s; s=s/10; printf("s=%f\n",s);}

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