Submission #15909

#	Time	Username	Problem	Language	Result	Execution time	Memory
15909		ggoh	Art Class (IOI13_artclass)	C++98	Compilation error	0 ms	0 KiB

artclass

#include<cstdio>

int abs(int A,int B)
{
    return A>B?A-B:B-A;
}
int style(int H,int W,int R[500][500],int G[500][500],int B[500][500])
{
    int i,j,c=0;
    for(i=0;i<H;i++)
    {
        for(j=1;j<W;j++)
        {
            c+=abs(R[i][j],R[i][j-1])+abs(G[i][j],G[i][j-1])+abs(B[i][j],B[i][j-1]);
        }
    }
    c/=(H*W);
    if(c<9)return 4;
    else if(c<25)return 1;
    else if(c<64)return 2;
    else return 3;
}

Compilation message (stderr)

/tmp/cciXw9ta.o: In function `main':
grader.c:(.text.startup+0x202): undefined reference to `style'
collect2: error: ld returned 1 exit status