Submission #8133

#	Time	Username	Problem	Language	Result	Execution time	Memory
8133		gs13073	미술 수업 (IOI13_artclass)	C++98	Compilation error	0 ms	0 KiB

artclass

#include<stdio.h>
#include<math.h>
int H,W;
double val[505][505];
double a,v,sq;
int R[500][500], G[500][500], B[500][500];
int main()
{
	int i,j,k,l;
	scanf("%d %d",&H,&W);
	for(i=0;i<H;i++)for(j=0;j<W;j++)scanf("%d",&R[i][j]);
	for(i=0;i<H;i++)for(j=0;j<W;j++)scanf("%d",&G[i][j]);
	for(i=0;i<H;i++)for(j=0;j<W;j++)scanf("%d",&B[i][j]);
    int A[8][2]={{1,1},{1,0},{1,-1},{-1,1},{-1,0},{-1,-1},{0,1},{0,-1}};
    for(i=0;i<H;i++){
        for(j=0;j<W;j++){
            int cnt=0;
            double sum=0,tmp=0;
            int r=R[i][j];
            int g=G[i][j];
            int b=B[i][j];
            for(k=0;k<8;k++){
                i+=A[k][0];
                j+=A[k][1];
                if(i>=0 && i<H && j>=0 && j<W){
                    tmp=(R[i][j]-r)*(R[i][j]-r)
                        +(G[i][j]-g)*(G[i][j]-g)
                        +(B[i][j]-b)*(B[i][j]-b);
                    tmp=sqrt(tmp);
                    sum+=tmp;
                    cnt++;
                }
                i-=A[k][0];
                j-=A[k][1];
            }
            val[i][j]=sum/cnt;
            a+=val[i][j];
            sq+=(val[i][j]*val[i][j]);
        }
    }
    a/=(H*W);
    sq/=(H*W);
    double b=sq-a*a;
    if(a*b < 500 )printf("4");
    else if(b>500 && a>30)printf("3");
    else if(b/a > 15)printf("1");
    else printf("2");
	return 0;
}

Compilation message (stderr)

artclass.cpp: In function 'int main()':
artclass.cpp:9:12: warning: unused variable 'l' [-Wunused-variable]
  int i,j,k,l;
            ^
artclass.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&H,&W);
  ~~~~~^~~~~~~~~~~~~~~
artclass.cpp:11:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=0;i<H;i++)for(j=0;j<W;j++)scanf("%d",&R[i][j]);
                                  ~~~~~^~~~~~~~~~~~~~~
artclass.cpp:12:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=0;i<H;i++)for(j=0;j<W;j++)scanf("%d",&G[i][j]);
                                  ~~~~~^~~~~~~~~~~~~~~
artclass.cpp:13:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=0;i<H;i++)for(j=0;j<W;j++)scanf("%d",&B[i][j]);
                                  ~~~~~^~~~~~~~~~~~~~~
/tmp/ccjpiUqG.o: In function `main':
artclass.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc4k2fOo.o:grader.c:(.text.startup+0x0): first defined here
/tmp/cc4k2fOo.o: In function `main':
grader.c:(.text.startup+0x202): undefined reference to `style'
collect2: error: ld returned 1 exit status