oj.uz

Submission #1806

# Submission time Handle Problem Language Result Execution time Memory
1806 2013-07-16T14:09:50 Z ainta Art Class (IOI13_artclass) C++
51 / 100
 182 ms 8684 KB 
#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 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;
	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<H-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]++,Sd++;
		}
	}
	Sa/=W,Sb/=H;
	int C1=0,C2=0,C3=0,C4=0,C5=0,C6=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++;
		}
	}
	if(C1>1 || C2>1){
		if(C5==0 || C6==0)return 4;
		return 1;
	}
	if(GG/(H*W)>BB/(H*W)+10 && GG/(H*W)>RR/(H*W)+10)return 2;
	return 3;
}

Compilation message

artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:63:16: warning: unused variable 'C3' [-Wunused-variable]
  int C1=0,C2=0,C3=0,C4=0,C5=0,C6=0;
                ^~
artclass.cpp:63:21: warning: unused variable 'C4' [-Wunused-variable]
  int C1=0,C2=0,C3=0,C4=0,C5=0,C6=0;
                     ^~

Subtask #1
51.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 89 ms 8052 KB Output isn't correct
2 Correct 79 ms 8684 KB Output is correct
3 Correct 108 ms 8052 KB Output is correct
4 Correct 89 ms 8684 KB Output is correct
5 Correct 106 ms 8684 KB Output is correct
6 Correct 125 ms 7812 KB Output is correct
7 Correct 66 ms 8300 KB Output is correct
8 Incorrect 95 ms 8052 KB Output isn't correct
9 Correct 112 ms 8052 KB Output is correct
10 Correct 85 ms 8684 KB Output is correct
11 Correct 84 ms 8684 KB Output is correct
12 Incorrect 83 ms 8684 KB Output isn't correct
13 Incorrect 77 ms 8052 KB Output isn't correct
14 Incorrect 104 ms 8052 KB Output isn't correct
15 Correct 82 ms 8684 KB Output is correct
16 Correct 42 ms 8684 KB Output is correct
17 Correct 86 ms 8052 KB Output is correct
18 Correct 78 ms 8684 KB Output is correct
19 Incorrect 88 ms 8052 KB Output isn't correct
20 Correct 111 ms 8052 KB Output is correct
21 Correct 85 ms 8052 KB Output is correct
22 Incorrect 66 ms 8684 KB Output isn't correct
23 Correct 56 ms 8684 KB Output is correct
24 Correct 94 ms 7812 KB Output is correct
25 Correct 101 ms 8684 KB Output is correct
26 Incorrect 87 ms 8052 KB Output isn't correct
27 Correct 117 ms 8052 KB Output is correct
28 Correct 52 ms 8300 KB Output is correct
29 Correct 66 ms 8684 KB Output is correct
30 Correct 81 ms 8684 KB Output is correct
31 Correct 130 ms 8052 KB Output is correct
32 Incorrect 88 ms 8052 KB Output isn't correct
33 Correct 73 ms 8684 KB Output is correct
34 Incorrect 94 ms 8052 KB Output isn't correct
35 Incorrect 78 ms 8052 KB Output isn't correct
36 Correct 77 ms 8684 KB Output is correct
37 Incorrect 85 ms 8684 KB Output isn't correct
38 Incorrect 81 ms 8684 KB Output isn't correct
39 Correct 88 ms 8684 KB Output is correct
40 Incorrect 81 ms 8052 KB Output isn't correct
41 Correct 22 ms 8684 KB Output is correct
42 Correct 88 ms 8684 KB Output is correct
43 Incorrect 79 ms 8052 KB Output isn't correct
44 Incorrect 88 ms 8052 KB Output isn't correct
45 Correct 55 ms 8684 KB Output is correct
46 Incorrect 120 ms 8052 KB Output isn't correct
47 Correct 50 ms 8684 KB Output is correct
48 Correct 77 ms 8684 KB Output is correct
49 Correct 42 ms 8684 KB Output is correct
50 Correct 85 ms 7480 KB Output is correct
51 Correct 83 ms 8684 KB Output is correct
52 Correct 153 ms 8052 KB Output is correct
53 Incorrect 113 ms 8052 KB Output isn't correct
54 Correct 100 ms 8684 KB Output is correct
55 Correct 73 ms 8684 KB Output is correct
56 Incorrect 64 ms 4216 KB Output isn't correct
57 Incorrect 97 ms 8052 KB Output isn't correct
58 Correct 66 ms 8684 KB Output is correct
59 Correct 84 ms 8052 KB Output is correct
60 Correct 142 ms 8052 KB Output is correct
61 Correct 133 ms 7664 KB Output is correct
62 Correct 62 ms 8684 KB Output is correct
63 Incorrect 165 ms 8052 KB Output isn't correct
64 Correct 151 ms 7524 KB Output is correct
65 Correct 42 ms 8684 KB Output is correct
66 Correct 95 ms 8052 KB Output is correct
67 Incorrect 78 ms 8052 KB Output isn't correct
68 Incorrect 90 ms 8052 KB Output isn't correct
69 Incorrect 88 ms 8052 KB Output isn't correct
70 Incorrect 104 ms 8052 KB Output isn't correct
71 Correct 74 ms 8684 KB Output is correct
72 Correct 78 ms 8684 KB Output is correct
73 Correct 79 ms 8684 KB Output is correct
74 Correct 72 ms 8684 KB Output is correct
75 Correct 46 ms 8684 KB Output is correct
76 Incorrect 80 ms 8052 KB Output isn't correct
77 Correct 90 ms 8684 KB Output is correct
78 Correct 70 ms 8684 KB Output is correct
79 Correct 91 ms 8684 KB Output is correct
80 Correct 139 ms 7812 KB Output is correct
81 Incorrect 135 ms 8052 KB Output isn't correct
82 Correct 63 ms 8300 KB Output is correct
83 Correct 84 ms 8684 KB Output is correct
84 Incorrect 92 ms 8052 KB Output isn't correct
85 Incorrect 141 ms 8052 KB Output isn't correct
86 Correct 182 ms 8052 KB Output is correct
87 Correct 83 ms 8052 KB Output is correct
88 Correct 121 ms 7480 KB Output is correct
89 Correct 92 ms 8052 KB Output is correct
90 Correct 124 ms 8052 KB Output is correct
91 Incorrect 67 ms 8052 KB Output isn't correct
92 Correct 48 ms 8684 KB Output is correct
93 Incorrect 75 ms 8684 KB Output isn't correct
94 Correct 66 ms 8484 KB Output is correct
95 Correct 135 ms 7480 KB Output is correct
96 Incorrect 83 ms 8052 KB Output isn't correct
97 Correct 52 ms 8300 KB Output is correct
98 Correct 67 ms 8684 KB Output is correct
99 Correct 74 ms 8684 KB Output is correct
100 Correct 76 ms 8684 KB Output is correct
101 Correct 80 ms 8684 KB Output is correct
102 Correct 83 ms 8684 KB Output is correct