Array element's square sum in C

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#include<stdio.h> #include<math.h> main() { int i,n; printf("Enter how long will be your array:\n"); scanf("%d",&n); float x[n],value,total; total = 0.0; printf("Enter %d real number:\n",n); for(i=0; i<n; i++){ scanf("%f",&value); x[i]=value; total = total + pow(x[i],2); printf("x[%d] = %.2f\n",i+1,x[i]); } printf("Total = %.2f\n",total); }