Submission #8047

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
8047	2014-08-28T03:43:01 Z	gs14004	Art Class (IOI13_artclass)	C++	Compilation error	0 ms	0 KB

artclass

//#include "artclass.h"
#include <cstdlib>
#include <cmath>

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
    double delta = 0;
    for (int i=0; i<H; i++) {
        for (int j=0; j<W-1; j++) {
            delta += sqrt(abs(R[i][j+1] - R[i][j]) + abs(G[i][j+1] - G[i][j]) + abs(B[i][j+1] - B[i][j]));
        }
    }
    for (int j=0; j<W; j++) {
        for (int i=0; i<H-1; i++) {
            delta += sqrt(abs(R[i][j] - R[i+1][j]) + abs(G[i][j] - G[i+1][j]) + abs(B[i][j] - B[i+1][j]));
        }
    }
    double t = 100.0 * delta / (2 * W * H - H - W);
    if(t < 250) return 4;
    else if(t < 450) return 1;
    else if(t < 675) return 2;
    return 3;
}

Compilation message

/tmp/cc3DDQkB.o: In function `main':
grader.c:(.text.startup+0x202): undefined reference to `style'
collect2: error: ld returned 1 exit status