Submission #1782

# Submission time Handle Problem Language Result Execution time Memory
1782 2013-07-15T11:38:10 Z kriii Art Class (IOI13_artclass) C++
98 / 100
200 ms 6124 KB
#include "artclass.h"
#include <math.h>
#define suff 0.85

bool sim(double r1, double g1, double b1, double r2, double g2, double b2, int v)
{
	return (r1 - r2) * (r1 - r2) + (b1 - b2) * (b1 - b2) + (g1 - g2) * (g1 - g2) <= v;
}

int chk[500][500]; int X[250000],Y[250000];

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
	int i,j,k; double r,g,b,hor,ver;

	ver = 0;
	for (i=0;i<H;i++){
		r = g = b = 0;
		for (j=0;j<W;j++){
			r += R[i][j];
			g += G[i][j];
			b += B[i][j];
		}
		r /= W; g /= W; b /= W;
		
		hor = 0;
		for (j=0;j<W;j++){
			if (sim(r,g,b,R[i][j],G[i][j],B[i][j],2700)) hor++;
		}
		hor /= W;
		if (hor >= suff) ver++;
	}
	ver /= H;
	if (ver >= suff) return 4;

	ver = 0;
	for (j=0;j<W;j++){
		r = g = b = 0;
		for (i=0;i<H;i++){
			r += R[i][j];
			g += G[i][j];
			b += B[i][j];
		}
		r /= W; g /= W; b /= W;
		
		hor = 0;
		for (i=0;i<H;i++){
			if (sim(r,g,b,R[i][j],G[i][j],B[i][j],2700)) hor++;
		}
		hor /= H;
		if (hor >= suff) ver++;
	}
	ver /= W;
	if (ver >= suff) return 4;

	for (i=0;i<H;i++) for (j=0;j<W;j++){
		chk[i][j] = 0;
	}
	
	int c = 0;
	for (i=0;i<H;i++) for (j=0;j<W;j++) if (chk[i][j] == 0){
		int head = -1, tail = -1, x, y, px, py; c++;
		int dx[8] = {0,1,0,-1,1,-1,1,-1};
		int dy[8] = {1,0,-1,0,1,1,-1,-1};
		++head; X[head] = i; Y[head] = j; chk[i][j] = c;
		while (tail < head){
			++tail; x = X[tail]; y = Y[tail];
			for (k=0;k<8;k++){
				px = x + dx[k];
				py = y + dy[k];
				if (px < 0 || px >= H || py < 0 || py >= W) continue;
				if (sim(R[x][y],G[x][y],B[x][y],R[px][py],G[px][py],B[px][py],450) && chk[px][py] != c){
					++head; X[head] = px; Y[head] = py; chk[px][py] = c;
				}
			}
		}
		
		if (head >= 0.5 * H * W) return 2;
		if (head >= 0.15 * H * W) return 1;
	}
	
    return 3;
}
# Verdict Execution time Memory Grader output
1 Correct 144 ms 6004 KB Output is correct
2 Incorrect 108 ms 6004 KB Output isn't correct
3 Correct 84 ms 6004 KB Output is correct
4 Correct 91 ms 6004 KB Output is correct
5 Correct 164 ms 6004 KB Output is correct
6 Correct 128 ms 6004 KB Output is correct
7 Incorrect 116 ms 6124 KB Output isn't correct
8 Correct 145 ms 6004 KB Output is correct
9 Correct 97 ms 6124 KB Output is correct
10 Correct 105 ms 6004 KB Output is correct
11 Correct 133 ms 6004 KB Output is correct
12 Correct 133 ms 6004 KB Output is correct
13 Correct 26 ms 6004 KB Output is correct
14 Correct 124 ms 6004 KB Output is correct
15 Correct 140 ms 6004 KB Output is correct
16 Correct 134 ms 6004 KB Output is correct
17 Correct 127 ms 6004 KB Output is correct
18 Correct 135 ms 6004 KB Output is correct
19 Correct 157 ms 5924 KB Output is correct
20 Correct 98 ms 6004 KB Output is correct
21 Correct 156 ms 5484 KB Output is correct
22 Correct 139 ms 6004 KB Output is correct
23 Correct 89 ms 6004 KB Output is correct
24 Correct 112 ms 6004 KB Output is correct
25 Correct 129 ms 6004 KB Output is correct
26 Correct 164 ms 4936 KB Output is correct
27 Correct 154 ms 6004 KB Output is correct
28 Incorrect 193 ms 4936 KB Output isn't correct
29 Correct 71 ms 6124 KB Output is correct
30 Correct 129 ms 6004 KB Output is correct
31 Correct 122 ms 4864 KB Output is correct
32 Correct 147 ms 5484 KB Output is correct
33 Correct 125 ms 6004 KB Output is correct
34 Correct 148 ms 6004 KB Output is correct
35 Correct 95 ms 6004 KB Output is correct
36 Correct 64 ms 6004 KB Output is correct
37 Incorrect 143 ms 5484 KB Output isn't correct
38 Correct 104 ms 4864 KB Output is correct
39 Correct 109 ms 6004 KB Output is correct
40 Correct 65 ms 6124 KB Output is correct
41 Correct 70 ms 6004 KB Output is correct
42 Correct 101 ms 6004 KB Output is correct
43 Correct 113 ms 5484 KB Output is correct
44 Correct 132 ms 6004 KB Output is correct
45 Correct 63 ms 6004 KB Output is correct
46 Correct 172 ms 5484 KB Output is correct
47 Correct 99 ms 6124 KB Output is correct
48 Correct 95 ms 6124 KB Output is correct
49 Correct 132 ms 4936 KB Output is correct
50 Correct 75 ms 6124 KB Output is correct
51 Correct 103 ms 6004 KB Output is correct
52 Correct 112 ms 4864 KB Output is correct
53 Incorrect 138 ms 5924 KB Output isn't correct
54 Correct 144 ms 5484 KB Output is correct
55 Correct 104 ms 6124 KB Output is correct
56 Correct 69 ms 4864 KB Output is correct
57 Correct 115 ms 5484 KB Output is correct
58 Correct 115 ms 6004 KB Output is correct
59 Correct 84 ms 6124 KB Output is correct
60 Correct 73 ms 6124 KB Output is correct
61 Correct 63 ms 6004 KB Output is correct
62 Correct 88 ms 6004 KB Output is correct
63 Incorrect 200 ms 4936 KB Output isn't correct
64 Correct 85 ms 6004 KB Output is correct
65 Correct 133 ms 5484 KB Output is correct
66 Incorrect 109 ms 5484 KB Output isn't correct
67 Correct 32 ms 6004 KB Output is correct
68 Correct 122 ms 5924 KB Output is correct
69 Correct 87 ms 6004 KB Output is correct
70 Correct 77 ms 6004 KB Output is correct
71 Correct 113 ms 6004 KB Output is correct
72 Incorrect 84 ms 5484 KB Output isn't correct
73 Correct 72 ms 6124 KB Output is correct
74 Correct 126 ms 6004 KB Output is correct
75 Correct 125 ms 6004 KB Output is correct
76 Correct 117 ms 6004 KB Output is correct
77 Correct 130 ms 5924 KB Output is correct
78 Incorrect 79 ms 3208 KB Output isn't correct
79 Correct 98 ms 6124 KB Output is correct
80 Correct 88 ms 6004 KB Output is correct
81 Correct 77 ms 5484 KB Output is correct
82 Correct 60 ms 6124 KB Output is correct
83 Correct 57 ms 6004 KB Output is correct
84 Correct 51 ms 6124 KB Output is correct
85 Correct 109 ms 6004 KB Output is correct
86 Correct 141 ms 6004 KB Output is correct
87 Incorrect 148 ms 6124 KB Output isn't correct
88 Correct 83 ms 6124 KB Output is correct
89 Correct 65 ms 6124 KB Output is correct
90 Correct 129 ms 5484 KB Output is correct
91 Correct 137 ms 5924 KB Output is correct
92 Correct 135 ms 5484 KB Output is correct
93 Correct 124 ms 6004 KB Output is correct
94 Correct 139 ms 6004 KB Output is correct
95 Incorrect 100 ms 6004 KB Output isn't correct
96 Correct 164 ms 6004 KB Output is correct
97 Correct 120 ms 6004 KB Output is correct
98 Correct 110 ms 6124 KB Output is correct
99 Correct 104 ms 5924 KB Output is correct
100 Correct 123 ms 5484 KB Output is correct
101 Correct 104 ms 4864 KB Output is correct
102 Correct 119 ms 6004 KB Output is correct