답안 #1816

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1816	2013-07-17T08:30:01 Z	ainta	미술 수업 (IOI13_artclass)	C++	49 / 100	133 ms	8584 KB

artclass

#include "artclass.h"

int abs(int a){
	return a<0?-a:a;
}
int P[501][501],C,Q[250001],h,t,HH,WW,Count[250001];
int Ca[501],Cb[501],Cc[1001],Cd[1001];
struct A{
	int r,g,b;
}w[501][501];
struct B{
	int r,g,b;
}o[250001];
void Ins(int x,int y){
	P[x][y]=C,Q[++t]=WW*x+y;
}
int pow2(int a){
	return a*a;
}
void Do(int x,int y){
	if(x<0||y<0||x>=HH||y>=WW||P[x][y])return;
	if(pow2(abs(w[x][y].r-o[C].r))+pow2(abs(w[x][y].g-o[C].g))+pow2(abs(w[x][y].b-o[C].b))>1000)return;
	return Ins(x,y);
}
void BFS(int x,int y){
	o[C].r=w[x][y].r,o[C].g=w[x][y].g,o[C].b=w[x][y].b;
	h=t=0;
	Ins(x,y);
	while(h<t){
		Count[C]++;
		++h;
		x=Q[h]/WW,y=Q[h]%WW;
		Do(x-1,y);
		Do(x+1,y);
		Do(x,y-1);
		Do(x,y+1);
	}
}
int min(int a,int b){
	return a<b?a:b;
}
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
	HH=H,WW=W;
	int i,j,GG=0,BB=0,RR=0;
	for(i=0;i<H;i++)
		for(j=0;j<W;j++)
			w[i][j].r=R[i][j],w[i][j].g=G[i][j],w[i][j].b=B[i][j],GG+=G[i][j],BB+=B[i][j],RR+=R[i][j];
	for(i=0;i<H;i++){
		for(j=0;j<W;j++){
			if(!P[i][j]){
				C++;
				BFS(i,j);
			}
		}
	}
	int Sa=0,Sb=0,Sc=0,Sd=0;
	double sc,sd,k,tp;
	for(i=0;i<H;i++){
		for(j=0;j<W;j++){
			if(j<W-1 && P[i][j]!=P[i][j+1])Ca[j]++,Sa++;
			if(i<H-1 && P[i][j]!=P[i+1][j])Cb[i]++,Sb++;
			if(i<H-1 && j<W-1 && P[i][j]!=P[i+1][j+1])Cc[i+j]++,Sc++;
			if(i<H-1 && j && P[i][j]!=P[i+1][j-1])Cd[i-j+W-1]++,Sd++;
		}
	}
	Sa/=W,Sb/=H,sc=Sc,sd=Sd,k=(H-1)*(W-1);
	sc/=k,sd/=k;
	int C1=0,C2=0,C3=0,C4=0,C5=0,C6=0,C7=0,C8=0;
	for(i=0;i<W-1;i++){
		if(Ca[i]-Sa>=H/3){
			C1++;
			if(i>=W/7 && i<= 6*W/7) C5++;
		}
	}
	for(i=0;i<H-1;i++){
		if(Cb[i]-Sb>=W/3){
			C2++;
			if(i>=H/7 && i<= 6*H/7) C6++;
		}
	}
	int a=0,b=0;
	for(i=0;i<H+W-1;i++){
		tp=Cc[i],k=b-a+1;
		b++;
		if(b==W)b--,a++;
		if(k<min(H,W)/7)continue;
		if(tp/k>sc+0.5)C7++;
	}
	if(C7>1)return 1;
	if(C1>1 || C2>1){
		if(C5==0 || C6==0)return 4;
		return 1;
	}
	if(Sa<W*5/9 && Sb<H*5/9)return 2;
	return 3;
}

Compilation message

artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:68:16: warning: unused variable 'C3' [-Wunused-variable]
  int C1=0,C2=0,C3=0,C4=0,C5=0,C6=0,C7=0,C8=0;
                ^~
artclass.cpp:68:21: warning: unused variable 'C4' [-Wunused-variable]
  int C1=0,C2=0,C3=0,C4=0,C5=0,C6=0,C7=0,C8=0;
                     ^~
artclass.cpp:68:41: warning: unused variable 'C8' [-Wunused-variable]
  int C1=0,C2=0,C3=0,C4=0,C5=0,C6=0,C7=0,C8=0;
                                         ^~

Subtask #1

49.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	116 ms	8164 KB	Output is correct
2	Incorrect	76 ms	8584 KB	Output isn't correct
3	Correct	98 ms	8584 KB	Output is correct
4	Correct	61 ms	7892 KB	Output is correct
5	Correct	69 ms	7868 KB	Output is correct
6	Correct	111 ms	8164 KB	Output is correct
7	Incorrect	76 ms	8164 KB	Output isn't correct
8	Correct	71 ms	8164 KB	Output is correct
9	Incorrect	96 ms	8584 KB	Output isn't correct
10	Correct	87 ms	7396 KB	Output is correct
11	Incorrect	96 ms	8584 KB	Output isn't correct
12	Incorrect	49 ms	8584 KB	Output isn't correct
13	Correct	92 ms	7684 KB	Output is correct
14	Correct	87 ms	8164 KB	Output is correct
15	Incorrect	83 ms	8164 KB	Output isn't correct
16	Correct	79 ms	8584 KB	Output is correct
17	Incorrect	66 ms	8164 KB	Output isn't correct
18	Incorrect	117 ms	8164 KB	Output isn't correct
19	Incorrect	64 ms	8404 KB	Output isn't correct
20	Incorrect	58 ms	8584 KB	Output isn't correct
21	Correct	94 ms	8584 KB	Output is correct
22	Correct	92 ms	7868 KB	Output is correct
23	Incorrect	94 ms	8164 KB	Output isn't correct
24	Correct	102 ms	8572 KB	Output is correct
25	Incorrect	90 ms	8584 KB	Output isn't correct
26	Incorrect	77 ms	8584 KB	Output isn't correct
27	Incorrect	85 ms	8584 KB	Output isn't correct
28	Incorrect	28 ms	8584 KB	Output isn't correct
29	Correct	107 ms	8584 KB	Output is correct
30	Correct	77 ms	8584 KB	Output is correct
31	Correct	96 ms	7448 KB	Output is correct
32	Incorrect	84 ms	8164 KB	Output isn't correct
33	Correct	107 ms	7868 KB	Output is correct
34	Correct	127 ms	8164 KB	Output is correct
35	Incorrect	112 ms	8164 KB	Output isn't correct
36	Correct	95 ms	7868 KB	Output is correct
37	Correct	133 ms	8584 KB	Output is correct
38	Incorrect	82 ms	8584 KB	Output isn't correct
39	Correct	108 ms	7868 KB	Output is correct
40	Correct	89 ms	8164 KB	Output is correct
41	Correct	110 ms	7868 KB	Output is correct
42	Correct	92 ms	8584 KB	Output is correct
43	Correct	105 ms	8584 KB	Output is correct
44	Incorrect	71 ms	8288 KB	Output isn't correct
45	Correct	112 ms	7684 KB	Output is correct
46	Correct	133 ms	8164 KB	Output is correct
47	Incorrect	76 ms	8584 KB	Output isn't correct
48	Incorrect	115 ms	8572 KB	Output isn't correct
49	Incorrect	127 ms	8584 KB	Output isn't correct
50	Correct	95 ms	8584 KB	Output is correct
51	Correct	103 ms	8164 KB	Output is correct
52	Correct	83 ms	7892 KB	Output is correct
53	Correct	54 ms	8288 KB	Output is correct
54	Correct	81 ms	8288 KB	Output is correct
55	Incorrect	109 ms	8164 KB	Output isn't correct
56	Correct	86 ms	8164 KB	Output is correct
57	Correct	121 ms	7868 KB	Output is correct
58	Correct	121 ms	8164 KB	Output is correct
59	Incorrect	69 ms	8572 KB	Output isn't correct
60	Correct	92 ms	8584 KB	Output is correct
61	Correct	45 ms	8572 KB	Output is correct
62	Correct	113 ms	7868 KB	Output is correct
63	Correct	25 ms	8584 KB	Output is correct
64	Correct	47 ms	8584 KB	Output is correct
65	Correct	94 ms	7868 KB	Output is correct
66	Correct	82 ms	8584 KB	Output is correct
67	Correct	70 ms	8584 KB	Output is correct
68	Incorrect	97 ms	8164 KB	Output isn't correct
69	Correct	101 ms	8164 KB	Output is correct
70	Incorrect	97 ms	7892 KB	Output isn't correct
71	Correct	83 ms	8584 KB	Output is correct
72	Correct	87 ms	7892 KB	Output is correct
73	Correct	69 ms	8584 KB	Output is correct
74	Correct	80 ms	7892 KB	Output is correct
75	Correct	105 ms	8584 KB	Output is correct
76	Correct	90 ms	8584 KB	Output is correct
77	Correct	49 ms	8572 KB	Output is correct
78	Correct	130 ms	8584 KB	Output is correct
79	Incorrect	92 ms	8164 KB	Output isn't correct
80	Incorrect	83 ms	8584 KB	Output isn't correct
81	Incorrect	108 ms	7868 KB	Output isn't correct
82	Correct	57 ms	8584 KB	Output is correct
83	Correct	53 ms	4216 KB	Output is correct
84	Correct	65 ms	8288 KB	Output is correct
85	Correct	65 ms	8584 KB	Output is correct
86	Correct	77 ms	7684 KB	Output is correct
87	Correct	104 ms	8164 KB	Output is correct
88	Correct	69 ms	7868 KB	Output is correct
89	Correct	99 ms	7892 KB	Output is correct
90	Correct	94 ms	8164 KB	Output is correct
91	Correct	109 ms	7556 KB	Output is correct
92	Correct	75 ms	8584 KB	Output is correct
93	Incorrect	61 ms	8584 KB	Output isn't correct
94	Correct	92 ms	7892 KB	Output is correct
95	Correct	96 ms	7556 KB	Output is correct
96	Incorrect	77 ms	8584 KB	Output isn't correct
97	Correct	127 ms	8584 KB	Output is correct
98	Incorrect	121 ms	8584 KB	Output isn't correct
99	Correct	74 ms	7448 KB	Output is correct
100	Correct	93 ms	8584 KB	Output is correct
101	Incorrect	76 ms	8584 KB	Output isn't correct
102	Correct	63 ms	8584 KB	Output is correct