Submission #2117046

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Source Code Expand

n,i;double r,s,a;main(m){
	for(scanf("%lf%d%d",&r,&n,&m);i++<n+m;)s+=2*sqrt(r*r-(a=fmin(i<n?fabs(r-2*r*i/n):1e9,i>m?fabs(r-2*r*(i-m)/n):1e9))*a);
	printf("%f",s);
}

Submission Info

Compile Error

./Main.c:1:1: warning: data definition has no type or storage class
 n,i;double r,s,a;main(m){
 ^
./Main.c:1:1: warning: type defaults to ‘int’ in declaration of ‘n’ [-Wimplicit-int]
./Main.c:1:3: warning: type defaults to ‘int’ in declaration of ‘i’ [-Wimplicit-int]
 n,i;double r,s,a;main(m){
   ^
./Main.c:1:18: warning: return type defaults to ‘int’ [-Wimplicit-int]
 n,i;double r,s,a;main(m){
                  ^
./Main.c: In function ‘main’:
./Main.c:1:18: warning: type of ‘m’ defaults to ‘int’ [-Wimplicit-int]
./Main.c:2:6: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
  for(scanf("%lf%d%d",&r,&n,&m);i++<n+m;)s+=2*sqrt(r*r-(a=fmin(i<n?fabs(r-2*r*i/n):1e9,i>m?fabs(r-2*r*(i-m)/n):1e9))*a);
      ^
./Main.c:2:6: warning: incompatible implicit declaration of built-in function ‘scanf’
./Main.c:2:6: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
./Main.c:2:46: warning: implicit declaration of function ‘sqrt’ [-Wimplicit-function-declaration]
  for(scanf("%...

Judge Result