Submission #8138

#	Time	Username	Problem	Language	Result	Execution time	Memory
8138		ho94949	Art Class (IOI13_artclass)	C++98	100 / 100	124 ms	3680 KiB

artclass

#include "artclass.h"
#include<cstdio>

int abs(int a){
 	if(a>0) return a;
  	else return -a;
}
int style(int H,int W,int R[500][500],int G[500][500],int B[500][500]){
	int sum=0;
	for(int i=0;i<H-1;i++){
		for(int j=0;j<W-1;j++){
			sum+=abs(R[i+1][j]-R[i][j]);
			sum+=abs(R[i][j+1]-R[i][j]);
			sum+=abs(G[i+1][j]-G[i][j]);
			sum+=abs(G[i][j+1]-G[i][j]);
			sum+=abs(B[i+1][j]-B[i][j]);
			sum+=abs(B[i][j+1]-B[i][j]);
		}
	}
	int ans=(double)sum/(H-1)/(W-1);
	if(ans<=17)return 4;//7-17
	if(ans<=48) return 1;//18-58
	if(ans<=110) return 2;//50-111
	return 3;//108-228
}

• Subtask 1: 100 / 100