oj.uz

Submission #401638

# Submission time Handle Problem Language Result Execution time Memory
401638 2021-05-10T15:38:09 Z rqi Art Class (IOI13_artclass) C++14
100 / 100
 88 ms 10144 KB 
#include "artclass.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long double db;
 
#define mp make_pair
#define f first
#define s second
#define pb push_back
 
int dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
int dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};
 
int H;
int W;
int col[500][500][3];
 
db avg_diff[500][500];
db avg_pix[3];
 
db getContrast(){
	db avg_tot = 0;
	int avg_num = 0;
	for(int i = 1; i+1 < H; i++){
		for(int j = 1; j+1 < W; j++){
			db tot_diff = 0;
			for(int dir = 0; dir < 8; dir++){
				for(int k = 0; k < 3; k++){
					tot_diff+=abs(col[i][j][k]-col[i+dx[dir]][j+dy[dir]][k]);
				}
			}
			avg_diff[i][j] = tot_diff/db(8*3);
			avg_tot+=avg_diff[i][j];
			avg_num++;
		}
	}
 
	return avg_tot/avg_num;
}

void getAvgPix(){
	db tot = 0;
	for(int i = 0; i < H; i++){
		for(int j = 0; j < W; j++){
			for(int k = 0; k < 3; k++){
				avg_pix[k]+=col[i][j][k];
			}
			tot+=1;
		}
	}
	for(int k = 0; k < 3; k++){
		avg_pix[k]/=tot;
	}
}
 
pair<db, db> contrast_rang[4] = {mp(3.19, 11.8), mp(8.8, 20.3), mp(21.3, 42.9), mp(1.43, 3.3)};
db score[4];
pair<db, db> bright_rang[4] = {mp(126.7, 202), mp(68.6, 111.0), mp(100.9, 191.6), mp(48.3,161.9)};
 
db getPropOff(pair<db, db> a, db b){
	db a_mid = (a.f+a.s)/2;
	db a_diff = (a.s-a_mid);
	return abs(b-a_mid)/a_diff;
}
 
int style(int _H, int _W, int _R[500][500], int _G[500][500], int _B[500][500]) {
	//cout << fixed << setprecision(1);
	H = _H;
	W = _W;
	for(int i = 0; i < H; i++){
		for(int j = 0; j < W; j++){
			col[i][j][0] = _R[i][j];
			col[i][j][1] = _G[i][j];
			col[i][j][2] = _B[i][j];
		}
	}
	db contrast = getContrast();
	//cout << contrast << "\n";
	getAvgPix();
 	//cout << avg_pix[0] << " " << avg_pix[1] << " " << avg_pix[2] << "\n";

 	db bright = (avg_pix[0]+avg_pix[1]+avg_pix[2])/3;

 	//cout << bright << "\n";
	for(int i = 0; i < 4; i++){
		score[i] = getPropOff(contrast_rang[i], contrast)+getPropOff(bright_rang[i], bright);
	}
 
	vector<pair<db, int>> sorted_scores;
	for(int i = 0; i < 4; i++){
		sorted_scores.pb(mp(score[i], i));
	}
	sort(sorted_scores.begin(), sorted_scores.end());

	// for(int i = 0; i < 4; i++){
	// 	cout << sorted_scores[i].f << " " << sorted_scores[i].s+1 << "\n";
	// }
 
	return sorted_scores[0].s+1;
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 69 ms 9992 KB Output isn't correct
2 Correct 63 ms 7608 KB Output is correct
3 Correct 72 ms 10032 KB Output is correct
4 Correct 71 ms 8444 KB Output is correct
5 Correct 78 ms 10000 KB Output is correct
6 Correct 79 ms 8268 KB Output is correct
7 Correct 78 ms 10052 KB Output is correct
8 Correct 79 ms 9484 KB Output is correct
9 Correct 62 ms 7308 KB Output is correct
10 Correct 84 ms 10020 KB Output is correct
11 Correct 70 ms 8416 KB Output is correct
12 Correct 72 ms 9932 KB Output is correct
13 Correct 63 ms 9960 KB Output is correct
14 Correct 68 ms 10024 KB Output is correct
15 Correct 54 ms 10040 KB Output is correct
16 Correct 81 ms 10076 KB Output is correct
17 Correct 66 ms 10056 KB Output is correct
18 Correct 56 ms 10040 KB Output is correct
19 Correct 57 ms 6236 KB Output is correct
20 Correct 76 ms 10052 KB Output is correct
21 Correct 18 ms 2252 KB Output is correct
22 Correct 44 ms 5152 KB Output is correct
23 Correct 85 ms 9992 KB Output is correct
24 Correct 69 ms 10012 KB Output is correct
25 Correct 55 ms 9940 KB Output is correct
26 Correct 72 ms 10124 KB Output is correct
27 Correct 55 ms 9948 KB Output is correct
28 Incorrect 84 ms 9984 KB Output isn't correct
29 Correct 67 ms 10000 KB Output is correct
30 Correct 67 ms 7820 KB Output is correct
31 Correct 44 ms 5180 KB Output is correct
32 Correct 66 ms 7936 KB Output is correct
33 Correct 55 ms 6612 KB Output is correct
34 Correct 44 ms 5340 KB Output is correct
35 Correct 72 ms 10028 KB Output is correct
36 Correct 75 ms 10144 KB Output is correct
37 Correct 85 ms 10052 KB Output is correct
38 Correct 65 ms 7788 KB Output is correct
39 Correct 76 ms 8004 KB Output is correct
40 Correct 54 ms 6472 KB Output is correct
41 Incorrect 59 ms 10052 KB Output isn't correct
42 Correct 64 ms 7744 KB Output is correct
43 Incorrect 86 ms 9924 KB Output isn't correct
44 Correct 71 ms 10052 KB Output is correct
45 Correct 66 ms 9952 KB Output is correct
46 Incorrect 75 ms 10008 KB Output isn't correct
47 Correct 82 ms 9776 KB Output is correct
48 Correct 68 ms 8032 KB Output is correct
49 Correct 54 ms 9944 KB Output is correct
50 Correct 47 ms 5572 KB Output is correct
51 Correct 44 ms 9924 KB Output is correct
52 Correct 84 ms 10020 KB Output is correct
53 Correct 68 ms 9980 KB Output is correct
54 Correct 75 ms 8288 KB Output is correct
55 Correct 53 ms 10052 KB Output is correct
56 Correct 63 ms 7364 KB Output is correct
57 Correct 23 ms 8840 KB Output is correct
58 Correct 53 ms 9968 KB Output is correct
59 Correct 74 ms 8644 KB Output is correct
60 Correct 68 ms 10008 KB Output is correct
61 Correct 70 ms 10024 KB Output is correct
62 Correct 69 ms 10016 KB Output is correct
63 Correct 69 ms 8300 KB Output is correct
64 Incorrect 87 ms 9940 KB Output isn't correct
65 Correct 73 ms 8872 KB Output is correct
66 Correct 35 ms 4128 KB Output is correct
67 Correct 68 ms 10024 KB Output is correct
68 Correct 69 ms 10056 KB Output is correct
69 Incorrect 74 ms 9948 KB Output isn't correct
70 Correct 68 ms 10000 KB Output is correct
71 Correct 88 ms 10136 KB Output is correct
72 Correct 59 ms 10008 KB Output is correct
73 Incorrect 78 ms 8928 KB Output isn't correct
74 Correct 72 ms 8516 KB Output is correct
75 Correct 71 ms 10052 KB Output is correct
76 Correct 69 ms 8072 KB Output is correct
77 Correct 35 ms 4220 KB Output is correct
78 Correct 71 ms 9972 KB Output is correct
79 Correct 69 ms 8308 KB Output is correct
80 Correct 59 ms 6700 KB Output is correct
81 Correct 54 ms 6084 KB Output is correct
82 Incorrect 58 ms 10008 KB Output isn't correct
83 Correct 80 ms 10012 KB Output is correct
84 Correct 47 ms 5180 KB Output is correct
85 Correct 60 ms 10024 KB Output is correct
86 Correct 84 ms 9932 KB Output is correct
87 Correct 73 ms 8592 KB Output is correct
88 Correct 60 ms 10052 KB Output is correct
89 Correct 85 ms 9892 KB Output is correct
90 Correct 66 ms 8160 KB Output is correct
91 Correct 68 ms 7504 KB Output is correct
92 Incorrect 87 ms 10028 KB Output isn't correct
93 Correct 71 ms 8268 KB Output is correct
94 Correct 51 ms 9968 KB Output is correct
95 Correct 63 ms 7468 KB Output is correct
96 Correct 38 ms 4440 KB Output is correct
97 Correct 84 ms 9948 KB Output is correct
98 Correct 65 ms 7712 KB Output is correct
99 Correct 67 ms 8032 KB Output is correct
100 Correct 65 ms 7560 KB Output is correct
101 Correct 86 ms 9992 KB Output is correct
102 Correct 48 ms 9956 KB Output is correct