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Submission #4586

# Submission time Handle Problem Language Result Execution time Memory
4586 2013-11-07T08:44:21 Z cki86201 Art Class (IOI13_artclass) C++
Compilation error
 0 ms 0 KB 
#include "artclass.h"

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
	int i,j;
	int sum=0;
	int dis=0;
	for(i=0;i<H;i++)for(j=0;j<W;j++){
		if(i!=0)dis+=abs(R[i][j]-R[i-1][j])+abs(G[i][j]-G[i-1][j])+abs(B[i][j]-B[i-1][j]);
		if(j!=0)dis+=abs(R[i][j]-R[i][j-1])+abs(G[i][j]-G[i][j-1])+abs(B[i][j]-B[i][j-1]);
	}
	if((double)dis/H/W > 115)return 3;
	if((double)dis/H/W < 20)return 4;
	for(i=0;i<H;i++)for(j=0;j<W;j++)sum+=G[i][j];
	double t=(double)sum/H/W;
	if(t<115)return 2;
	return 1;
}

Compilation message

artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:8:16: error: 'abs' was not declared in this scope
   if(i!=0)dis+=abs(R[i][j]-R[i-1][j])+abs(G[i][j]-G[i-1][j])+abs(B[i][j]-B[i-1][j]);
                ^~~
artclass.cpp:9:16: error: 'abs' was not declared in this scope
   if(j!=0)dis+=abs(R[i][j]-R[i][j-1])+abs(G[i][j]-G[i][j-1])+abs(B[i][j]-B[i][j-1]);
                ^~~