제출 #235920

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
235920		cfalas	Art Class (IOI13_artclass)	C++14	87 / 100	93 ms	3320 KiB

artclass

#include<bits/stdc++.h>
using namespace std;
#include "artclass.h"
typedef pair<int, int> ii;
typedef pair<int, ii> iii;
#define F first
#define S second

int style(int h, int w, int r[500][500], int g[500][500], int b[500][500]) {
	int blackcount=0;
	int wcount=0;
	int gcount=0;
	double stdb,stdr,stdg;
	double totb=0,totg=0,totr=0;
	double sfrr=0,sfgg=0,sfbb=0;
	double pix = h*w;
	double dev=0;
	double devv=0, dcnt=0;
	for(int i=0;i<h;i++){
		for(int j=0;j<w;j++){
			if(r[i][j]+b[i][j]+g[i][j]<=50) blackcount++;
			else if(r[i][j]+b[i][j]+g[i][j]>=700) wcount++;
			if(g[i][j]>=150) gcount++;
			totb+=b[i][j];
			sfbb+=b[i][j]*b[i][j];
			totr+=r[i][j];
			sfrr+=r[i][j]*r[i][j];
			if(i!=0) dev+=abs(r[i][j]-r[i-1][j]), dcnt++, devv+=(r[i][j]-r[i-1][j])*(r[i][j]-r[i-1][j]);
			if(j!=0) dev+=abs(r[i][j]-r[i][j-1]), dcnt++, devv+=(r[i][j]-r[i][j-1])*(r[i][j]-r[i][j-1]);
			if(i!=h-1) dev+=abs(r[i][j]-r[i+1][j]), dcnt++, devv+=(r[i][j]-r[i+1][j])*(r[i][j]-r[i+1][j]);
			if(j!=w-1) dev+=abs(r[i][j]-r[i][j+1]), dcnt++, devv+=(r[i][j]-r[i][j+1])*(r[i][j]-r[i][j+1]);
		}
	}
	stdb = sqrt(sfbb/pix - (totb/pix)*(totb/pix));
	stdr = sqrt(sfrr/pix - (totr/pix)*(totr/pix));

	double devstd = sqrt(devv/dcnt - (dev/dcnt)*(dev/dcnt));
	//cout<<gcount/((double)h*w)<<endl;
	//cout<<blackcount<<endl;
	//cout<<devstd<<endl;
	if(devstd<8) return 4;
	if(devstd>25) return 3;
	if(wcount>0.1*h*w) return 1;
	if(gcount>0.11*h*w) return 2;
	return 2;
}

컴파일 시 표준 에러 (stderr) 메시지

artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:13:9: warning: variable 'stdb' set but not used [-Wunused-but-set-variable]
  double stdb,stdr,stdg;
         ^~~~
artclass.cpp:13:14: warning: variable 'stdr' set but not used [-Wunused-but-set-variable]
  double stdb,stdr,stdg;
              ^~~~
artclass.cpp:13:19: warning: unused variable 'stdg' [-Wunused-variable]
  double stdb,stdr,stdg;
                   ^~~~
artclass.cpp:14:16: warning: unused variable 'totg' [-Wunused-variable]
  double totb=0,totg=0,totr=0;
                ^~~~
artclass.cpp:15:16: warning: unused variable 'sfgg' [-Wunused-variable]
  double sfrr=0,sfgg=0,sfbb=0;
                ^~~~

• Subtask 1: 87 / 100