oj.uz

Submission #586729

# Submission time Handle Problem Language Result Execution time Memory
586729 2022-06-30T15:18:42 Z AlperenT Art Class (IOI13_artclass) C++17
80 / 100
 116 ms 9200 KB 
#include <bits/stdc++.h>
#include "artclass.h"
 
using namespace std;
 
const int N = 500;
const int ISSAME_THRESHOLD = 25;
const int ISGREEN_THRESHOLD = 30;
const bool IS_MAX = true;
 
const int GREEN = 31;
const int CNTMIN = 10;
const int CNTMAX = 800;
 
const int K = 8;
const int xd[K] = {-1, -1, 0, 1, 1, 1, 0, -1};
const int yd[K] = {0, 1, 1, 1, 0, -1, -1, -1};
 
int h, w, greencnt;
 
array<int, 3> color[N][N];
 
struct DSU{
	pair<int, int> par[N][N];
	int setsize[N][N];
 
	int setcnt;
 
	void reset(int n, int m){
		for(int i = 0; i < n; i++){
			for(int j = 0; j < m; j++){
				par[i][j] = {i, j};
				setsize[i][j] = 1;
			}
		}
 
		setcnt = n * m;
	}
 
	pair<int, int> setfind(pair<int, int> a){
		if(par[a.first][a.second] == a) return a;
		else return par[a.first][a.second] = setfind(par[a.first][a.second]);
	}
 
	void setunion(pair<int, int> a, pair<int, int> b){
		a = setfind(a), b = setfind(b);
 
		if(a != b){
			if(setsize[b.first][b.second] > setsize[a.first][a.second]) swap(a, b);
 
			par[b.first][b.second] = a;
			setsize[a.first][a.second] += setsize[b.first][b.second];
 
			setcnt--;
		}
	}
};
 
DSU dsu;
 
bool issame(array<int, 3> a, array<int, 3> b){
	int diff;
 
	if(IS_MAX) diff = max({abs(a[0] - b[0]), abs(a[1] - b[1]), abs(a[2] - b[2])});
	else diff = abs(a[0] - b[0]) + abs(a[1] - b[1]) + abs(a[2] - b[2]);
 
	return diff <= ISSAME_THRESHOLD;
}
 
bool isgreen(array<int, 3> a){
	// return (a[1] - max(a[0], a[2])) >= ISGREEN_THRESHOLD;
 
	return (a[1] - a[2]) >= ISGREEN_THRESHOLD && ((a[1] - a[0] >= ISGREEN_THRESHOLD) || (a[0] - a[1] <= ISGREEN_THRESHOLD));
}
 
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++){
			color[i][j] = {R[i][j], G[i][j], B[i][j]};
		}
	}
 
	dsu.reset(h, w);
 
	for(int i = 0; i < h; i++){
		for(int j = 0; j < w; j++){
			for(int k = 0; k < K; k++){
				int x = i + xd[k], y = j + yd[k];
 
				if(x >= 0 && x < h && y >= 0 && y < w && issame(color[i][j], color[x][y])){
					dsu.setunion({i, j}, {x, y});
				}
			}
 
			greencnt += isgreen(color[i][j]);
		}
	}
 
	if(greencnt * 100 / (h * w) >= GREEN) return 2;
	else if(dsu.setcnt <= CNTMIN) return 4;
	else if(dsu.setcnt <= CNTMAX) return 1;
	else return 3;
 
    return -1;
}

Subtask #1
80.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 95 ms 9028 KB Output isn't correct
2 Correct 85 ms 8908 KB Output is correct
3 Correct 58 ms 8984 KB Output is correct
4 Correct 22 ms 8800 KB Output is correct
5 Correct 83 ms 8988 KB Output is correct
6 Correct 63 ms 9088 KB Output is correct
7 Incorrect 86 ms 8940 KB Output isn't correct
8 Correct 73 ms 8128 KB Output is correct
9 Correct 33 ms 5024 KB Output is correct
10 Correct 70 ms 9084 KB Output is correct
11 Correct 93 ms 8968 KB Output is correct
12 Correct 71 ms 7928 KB Output is correct
13 Correct 68 ms 7672 KB Output is correct
14 Correct 81 ms 8616 KB Output is correct
15 Correct 56 ms 9200 KB Output is correct
16 Incorrect 60 ms 9080 KB Output isn't correct
17 Correct 68 ms 6488 KB Output is correct
18 Correct 70 ms 7392 KB Output is correct
19 Correct 51 ms 6380 KB Output is correct
20 Correct 83 ms 7216 KB Output is correct
21 Incorrect 88 ms 8268 KB Output isn't correct
22 Correct 67 ms 7448 KB Output is correct
23 Incorrect 78 ms 7448 KB Output isn't correct
24 Correct 73 ms 8996 KB Output is correct
25 Correct 69 ms 9040 KB Output is correct
26 Correct 91 ms 9036 KB Output is correct
27 Correct 65 ms 9036 KB Output is correct
28 Correct 72 ms 7816 KB Output is correct
29 Correct 67 ms 7336 KB Output is correct
30 Correct 69 ms 7720 KB Output is correct
31 Incorrect 81 ms 9080 KB Output isn't correct
32 Correct 48 ms 5972 KB Output is correct
33 Correct 51 ms 8964 KB Output is correct
34 Correct 69 ms 9036 KB Output is correct
35 Incorrect 76 ms 9068 KB Output isn't correct
36 Correct 51 ms 9088 KB Output is correct
37 Incorrect 70 ms 6676 KB Output isn't correct
38 Correct 67 ms 7500 KB Output is correct
39 Correct 54 ms 9080 KB Output is correct
40 Correct 75 ms 8964 KB Output is correct
41 Correct 83 ms 9016 KB Output is correct
42 Correct 39 ms 5140 KB Output is correct
43 Incorrect 75 ms 9084 KB Output isn't correct
44 Correct 65 ms 7412 KB Output is correct
45 Correct 74 ms 8036 KB Output is correct
46 Correct 70 ms 9044 KB Output is correct
47 Correct 47 ms 5800 KB Output is correct
48 Correct 70 ms 7932 KB Output is correct
49 Correct 69 ms 7480 KB Output is correct
50 Correct 80 ms 7952 KB Output is correct
51 Correct 73 ms 8968 KB Output is correct
52 Correct 87 ms 9084 KB Output is correct
53 Incorrect 61 ms 7292 KB Output isn't correct
54 Incorrect 57 ms 9084 KB Output isn't correct
55 Correct 83 ms 9080 KB Output is correct
56 Correct 76 ms 8008 KB Output is correct
57 Correct 55 ms 9084 KB Output is correct
58 Correct 68 ms 9056 KB Output is correct
59 Correct 69 ms 9088 KB Output is correct
60 Correct 66 ms 7660 KB Output is correct
61 Correct 102 ms 9088 KB Output is correct
62 Correct 39 ms 5724 KB Output is correct
63 Correct 68 ms 9056 KB Output is correct
64 Correct 72 ms 9068 KB Output is correct
65 Incorrect 95 ms 9068 KB Output isn't correct
66 Correct 53 ms 6576 KB Output is correct
67 Correct 55 ms 6692 KB Output is correct
68 Correct 45 ms 5708 KB Output is correct
69 Correct 69 ms 7456 KB Output is correct
70 Correct 71 ms 7692 KB Output is correct
71 Correct 69 ms 8992 KB Output is correct
72 Correct 67 ms 9036 KB Output is correct
73 Correct 60 ms 9048 KB Output is correct
74 Incorrect 54 ms 9016 KB Output isn't correct
75 Correct 68 ms 9084 KB Output is correct
76 Correct 68 ms 9084 KB Output is correct
77 Correct 71 ms 7884 KB Output is correct
78 Incorrect 71 ms 9080 KB Output isn't correct
79 Incorrect 85 ms 8980 KB Output isn't correct
80 Incorrect 68 ms 9072 KB Output isn't correct
81 Incorrect 67 ms 7756 KB Output isn't correct
82 Correct 76 ms 9064 KB Output is correct
83 Correct 116 ms 9064 KB Output is correct
84 Correct 54 ms 9084 KB Output is correct
85 Correct 73 ms 8972 KB Output is correct
86 Correct 67 ms 9088 KB Output is correct
87 Correct 82 ms 9040 KB Output is correct
88 Correct 64 ms 7244 KB Output is correct
89 Correct 76 ms 8996 KB Output is correct
90 Correct 71 ms 7740 KB Output is correct
91 Correct 86 ms 9028 KB Output is correct
92 Correct 70 ms 8012 KB Output is correct
93 Correct 46 ms 4928 KB Output is correct
94 Correct 85 ms 8916 KB Output is correct
95 Correct 79 ms 9084 KB Output is correct
96 Correct 83 ms 9020 KB Output is correct
97 Incorrect 76 ms 9064 KB Output isn't correct
98 Correct 18 ms 3652 KB Output is correct
99 Correct 74 ms 8308 KB Output is correct
100 Correct 72 ms 9088 KB Output is correct
101 Incorrect 44 ms 5716 KB Output isn't correct
102 Correct 48 ms 9084 KB Output is correct