Submission #395666

# Submission time Handle Problem Language Result Execution time Memory
395666 2021-04-28T17:54:38 Z peuch Art Class (IOI13_artclass) C++17
98 / 100
87 ms 6340 KB
#include "artclass.h"
#include <bits/stdc++.h>
 
#define ll long long
 
using namespace std ;
 
int H , W ;
int r[510][510] , g[510][510] , b[510][510] ;
int dx[2] = {0,1} , dy[2] = {1,0} ;
 
bool valid(int x, int y) { return 0 <= min(x,y) && x < H && y < W ; }
int getDiff(int x1, int y1, int x2, int y2)
{
	int dr = abs(r[x1][y1]-r[x2][y2]) ;
	int dg = abs(g[x1][y1]-g[x2][y2]) ;
	int db = abs(b[x1][y1]-b[x2][y2]) ;
	return dr+dg+db ;
}
 
 
bool isWhite(int x, int y ) 
{
	bool ok = max({ abs(r[x][y]-g[x][y]) , abs(g[x][y]-b[x][y]) , abs(r[x][y]-b[x][y]) }) <= 15 ;
	ok &= min({r[x][y] , g[x][y], b[x][y]}) >= 180 ;
	return ok ;
}
bool isGreen(int x, int y) { return max(b[x][y],r[x][y]) + 35 <= g[x][y] && !isWhite(x,y) ; }
 
int style(int h, int w, int R[500][500], int G[500][500], int B[500][500]) 
{
	H = h ;
	W = w ;
	for(int i = 0 ; i < H ; i++ )
		for(int j = 0 ; j < W ; j++ )
		{
			r[i][j]= R[i][j] ;
			g[i][j] = G[i][j] ;
			b[i][j] = B[i][j] ;
		}
 
	int mnDiff = INT_MAX ;
	int mxDiff = -INT_MAX ;
	double s = 0 , s_squared = 0 ;
	double cnt = 0 ;
	double qtd[2] = {0,0} ;
 
	for(int i = 0 ; i < H ; i++ )
		for(int j = 0 ; j < W ; j++ )
		{
			if(isWhite(i,j)) qtd[0]++ ;
			if( isGreen(i,j) ) qtd[1]++ ;
 
			for(int a = 0 , ni , nj ; a < 2 ; a++ )
			{
				ni = i + dx[a] ;
				nj = j+dy[a] ;
 
				if(!valid(ni,nj)) continue ;
 
				cnt++ ;
 
				mnDiff = min(mnDiff, getDiff(i,j,ni,nj)) ;
				mxDiff = max( mxDiff, getDiff(i,j,ni,nj) ) ;	
				s += getDiff(i,j,ni,nj) ;
 
			} 
		}
 
	s /= cnt ;  
 
	qtd[0] /= (double)(H*W) ;
	qtd[1] /= (double)(H*W) ;	
 
	if( s <= 9.0 ) return 4 ;
	if(s >= 50.0 ) return 3 ;
	if(s >= 23.0 ) return 2 ;
	if( qtd[0]  <= 0.06 ) return 2 ;
	return 1 ;
}

Compilation message

artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:44:17: warning: unused variable 's_squared' [-Wunused-variable]
   44 |  double s = 0 , s_squared = 0 ;
      |                 ^~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 48 ms 6196 KB Output is correct
2 Correct 58 ms 6316 KB Output is correct
3 Correct 48 ms 6140 KB Output is correct
4 Correct 52 ms 4800 KB Output is correct
5 Correct 56 ms 6192 KB Output is correct
6 Correct 85 ms 6172 KB Output is correct
7 Correct 45 ms 4040 KB Output is correct
8 Correct 70 ms 6084 KB Output is correct
9 Correct 43 ms 6152 KB Output is correct
10 Correct 46 ms 3964 KB Output is correct
11 Correct 58 ms 5136 KB Output is correct
12 Correct 60 ms 6120 KB Output is correct
13 Correct 78 ms 6220 KB Output is correct
14 Correct 67 ms 6220 KB Output is correct
15 Correct 15 ms 1484 KB Output is correct
16 Correct 86 ms 6180 KB Output is correct
17 Incorrect 72 ms 6216 KB Output isn't correct
18 Correct 47 ms 4128 KB Output is correct
19 Correct 40 ms 6212 KB Output is correct
20 Correct 46 ms 6212 KB Output is correct
21 Incorrect 57 ms 5276 KB Output isn't correct
22 Correct 45 ms 6124 KB Output is correct
23 Correct 46 ms 6108 KB Output is correct
24 Correct 52 ms 6176 KB Output is correct
25 Correct 70 ms 6144 KB Output is correct
26 Correct 63 ms 6212 KB Output is correct
27 Correct 59 ms 6340 KB Output is correct
28 Incorrect 57 ms 6132 KB Output isn't correct
29 Correct 29 ms 2680 KB Output is correct
30 Incorrect 58 ms 6216 KB Output isn't correct
31 Correct 76 ms 5248 KB Output is correct
32 Correct 57 ms 5180 KB Output is correct
33 Correct 38 ms 3524 KB Output is correct
34 Correct 71 ms 4940 KB Output is correct
35 Correct 61 ms 6220 KB Output is correct
36 Correct 42 ms 6220 KB Output is correct
37 Correct 60 ms 6116 KB Output is correct
38 Correct 57 ms 5088 KB Output is correct
39 Correct 60 ms 6152 KB Output is correct
40 Correct 36 ms 3268 KB Output is correct
41 Correct 63 ms 5596 KB Output is correct
42 Correct 60 ms 5396 KB Output is correct
43 Correct 56 ms 4984 KB Output is correct
44 Correct 59 ms 5304 KB Output is correct
45 Correct 70 ms 6116 KB Output is correct
46 Correct 36 ms 3268 KB Output is correct
47 Correct 70 ms 6192 KB Output is correct
48 Correct 69 ms 6012 KB Output is correct
49 Correct 56 ms 6192 KB Output is correct
50 Correct 56 ms 6176 KB Output is correct
51 Correct 46 ms 6172 KB Output is correct
52 Incorrect 71 ms 6112 KB Output isn't correct
53 Correct 61 ms 6172 KB Output is correct
54 Correct 58 ms 6104 KB Output is correct
55 Correct 53 ms 4816 KB Output is correct
56 Correct 56 ms 6108 KB Output is correct
57 Correct 71 ms 6212 KB Output is correct
58 Correct 60 ms 6200 KB Output is correct
59 Incorrect 72 ms 4676 KB Output isn't correct
60 Correct 54 ms 4720 KB Output is correct
61 Correct 87 ms 6244 KB Output is correct
62 Correct 61 ms 4892 KB Output is correct
63 Correct 57 ms 6196 KB Output is correct
64 Incorrect 51 ms 6140 KB Output isn't correct
65 Correct 78 ms 6168 KB Output is correct
66 Correct 53 ms 4660 KB Output is correct
67 Incorrect 65 ms 4640 KB Output isn't correct
68 Correct 31 ms 2784 KB Output is correct
69 Correct 50 ms 6212 KB Output is correct
70 Correct 57 ms 4992 KB Output is correct
71 Correct 37 ms 3204 KB Output is correct
72 Correct 30 ms 2624 KB Output is correct
73 Correct 59 ms 6100 KB Output is correct
74 Correct 51 ms 6104 KB Output is correct
75 Incorrect 79 ms 6132 KB Output isn't correct
76 Correct 59 ms 5140 KB Output is correct
77 Correct 55 ms 6168 KB Output is correct
78 Correct 72 ms 6224 KB Output is correct
79 Correct 71 ms 6212 KB Output is correct
80 Correct 48 ms 6212 KB Output is correct
81 Incorrect 52 ms 4824 KB Output isn't correct
82 Correct 44 ms 3896 KB Output is correct
83 Correct 58 ms 5192 KB Output is correct
84 Correct 37 ms 3324 KB Output is correct
85 Correct 68 ms 6124 KB Output is correct
86 Correct 48 ms 6124 KB Output is correct
87 Correct 53 ms 4828 KB Output is correct
88 Incorrect 62 ms 5412 KB Output isn't correct
89 Correct 86 ms 5780 KB Output is correct
90 Correct 59 ms 5192 KB Output is correct
91 Correct 44 ms 6136 KB Output is correct
92 Correct 59 ms 6176 KB Output is correct
93 Correct 73 ms 5016 KB Output is correct
94 Correct 18 ms 6184 KB Output is correct
95 Correct 49 ms 4212 KB Output is correct
96 Correct 64 ms 6212 KB Output is correct
97 Correct 55 ms 4892 KB Output is correct
98 Correct 53 ms 5000 KB Output is correct
99 Correct 57 ms 6224 KB Output is correct
100 Correct 52 ms 4632 KB Output is correct
101 Correct 60 ms 6124 KB Output is correct
102 Correct 57 ms 6180 KB Output is correct