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답안 #386319

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
386319 2021-04-06T11:25:22 Z model_code Navigation 2 (JOI21_navigation2) C++17
100 / 100
 974 ms 1124 KB 
#include <vector>
#include <algorithm>
#include "Anna.h"

namespace {
	int encode(int dr, int dc) {
		if(dc >= +2) return 2;
		if(dc <= -2) return 3;
		if(dr >= +2) return 4;
		if(dr <= -2) return 5;
		return (dr + 1) * 3 + (dc + 1) + 6;
	}
}

void Anna(int N, int K, std::vector<int> R, std::vector<int> C) {
	// Step #1 : Decide placement of "flags with number 1"
	int optflag = 14; int optdelta = -1;
	for(int delta = 0; delta < 9; ++delta) {
		int maxflag = 1;
		for(int i = 0; i < N; ++i) {
			for(int j = 0; j < N; ++j) {
				int precinct = ((i - delta / 3 + 3) % 3) * 3 + ((j - delta % 3 + 3) % 3);
				if(precinct <= 6) {
					maxflag = std::max(maxflag, encode(R[precinct] - i, C[precinct] - j));
				}
			}
		}
		if(optflag > maxflag) {
			optflag = maxflag;
			optdelta = delta;
		}
	}
	
	// Step #2 : Make a provisional plan
	std::vector<std::vector<int> > F(N, std::vector<int>(N, -1));
	for(int i = 0; i < N; ++i) {
		for(int j = 0; j < N; ++j) {
			int precinct = ((i - optdelta / 3 + 3) % 3) * 3 + ((j - optdelta % 3 + 3) % 3);
			if(precinct <= 6) {
				F[i][j] = encode(R[precinct] - i, C[precinct] - j);
			}
			if(precinct == 8) {
				F[i][j] = 1;
			}
		}
	}
	
	// Step #3. Apply "decrease-by-1" operation and finalize the plan
	std::vector<bool> used(14, false);
	for(int i = 0; i < N; ++i) {
		for(int j = 0; j < N; ++j) {
			if(F[i][j] != -1) {
				used[F[i][j]] = true;
			}
		}
	}
	int non = std::find(used.begin() + 1, used.end(), false) - used.begin();
	for(int i = 0; i < N; ++i) {
		for(int j = 0; j < N; ++j) {
			if(F[i][j] == -1) {
				F[i][j] = non - 1;
			}
			else if(F[i][j] > non) {
				--F[i][j];
			}
			SetFlag(i, j, F[i][j]);
		}
	}
}
#include <vector>
#include <utility>
#include <algorithm>
#include "Bruno.h"

std::vector<int> Bruno(int K, std::vector<int> value) {
	// Step #1. Restore the plan before "decrease-by-1" operation
	int center = std::find(value.begin(), value.end(), 1) - value.begin();
	int rp = (center / 3 + 1) % 3, cp = (center % 3 + 1) % 3;
	std::vector<int> precinct(9);
	for(int i = 0; i < 9; ++i) {
		precinct[i] = ((i / 3 - rp + 3) % 3) * 3 + ((i % 3 - cp + 3) % 3);
	}
	int seventh = std::find(precinct.begin(), precinct.end(), 7) - precinct.begin();
	int non = value[seventh] + 1;
	for(int i = 0; i < 9; ++i) {
		if(value[i] >= non) {
			++value[i];
		}
	}
	
	// Step #2. Determine the next actions
	std::vector<int> res(K, -1);
	for(int i = 0; i < K; ++i) {
		int ptr = std::find(precinct.begin(), precinct.end(), i) - precinct.begin();
		int id = value[ptr] - 2;
		if(id <= 3) {
			res[i] = id;
		}
		else {
			int isor = ((id - 4) / 3 - 1) + (ptr / 3 - 1);
			int isoc = ((id - 4) % 3 - 1) + (ptr % 3 - 1);
			if(isoc > 0) res[i] = 0;
			else if(isoc < 0) res[i] = 1;
			else if(isor > 0) res[i] = 2;
			else if(isor < 0) res[i] = 3;
			else res[i] = 4;
		}
	}
	return res;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 512 KB Output is correct
2 Correct 13 ms 512 KB Output is correct
3 Correct 13 ms 512 KB Output is correct
4 Correct 12 ms 512 KB Output is correct
5 Correct 13 ms 512 KB Output is correct
6 Correct 14 ms 512 KB Output is correct
7 Correct 18 ms 620 KB Output is correct
8 Correct 17 ms 512 KB Output is correct
9 Correct 16 ms 512 KB Output is correct
10 Correct 16 ms 512 KB Output is correct
11 Correct 13 ms 512 KB Output is correct
12 Correct 16 ms 512 KB Output is correct
13 Correct 13 ms 512 KB Output is correct
14 Correct 13 ms 512 KB Output is correct
15 Correct 16 ms 512 KB Output is correct
16 Correct 18 ms 512 KB Output is correct
17 Correct 15 ms 512 KB Output is correct
18 Correct 14 ms 512 KB Output is correct
19 Correct 13 ms 512 KB Output is correct
20 Correct 14 ms 512 KB Output is correct
21 Correct 13 ms 512 KB Output is correct
22 Correct 16 ms 512 KB Output is correct
23 Correct 13 ms 512 KB Output is correct
24 Correct 15 ms 512 KB Output is correct
25 Correct 14 ms 512 KB Output is correct
26 Correct 14 ms 512 KB Output is correct
27 Correct 13 ms 512 KB Output is correct
28 Correct 14 ms 512 KB Output is correct
29 Correct 18 ms 512 KB Output is correct
30 Correct 14 ms 512 KB Output is correct
31 Correct 13 ms 512 KB Output is correct
32 Correct 16 ms 640 KB Output is correct
33 Correct 13 ms 512 KB Output is correct
34 Correct 13 ms 512 KB Output is correct
35 Correct 15 ms 620 KB Output is correct
36 Correct 17 ms 512 KB Output is correct
37 Correct 14 ms 512 KB Output is correct
38 Correct 16 ms 624 KB Output is correct
39 Correct 15 ms 512 KB Output is correct
40 Correct 17 ms 512 KB Output is correct
41 Correct 17 ms 512 KB Output is correct
42 Correct 14 ms 512 KB Output is correct
43 Correct 15 ms 620 KB Output is correct
44 Correct 15 ms 728 KB Output is correct
45 Correct 18 ms 728 KB Output is correct
46 Correct 16 ms 728 KB Output is correct
47 Correct 19 ms 728 KB Output is correct
48 Correct 15 ms 512 KB Output is correct
49 Correct 20 ms 512 KB Output is correct
50 Correct 20 ms 512 KB Output is correct
51 Correct 19 ms 512 KB Output is correct
52 Correct 20 ms 512 KB Output is correct
53 Correct 18 ms 620 KB Output is correct
54 Correct 19 ms 512 KB Output is correct
55 Correct 20 ms 512 KB Output is correct
56 Correct 20 ms 512 KB Output is correct
57 Correct 24 ms 512 KB Output is correct
58 Correct 23 ms 512 KB Output is correct
59 Correct 20 ms 512 KB Output is correct
60 Correct 22 ms 512 KB Output is correct
61 Correct 26 ms 512 KB Output is correct
62 Correct 19 ms 612 KB Output is correct
63 Correct 20 ms 512 KB Output is correct
64 Correct 19 ms 512 KB Output is correct
65 Correct 23 ms 512 KB Output is correct
66 Correct 22 ms 512 KB Output is correct
67 Correct 20 ms 512 KB Output is correct
68 Correct 23 ms 512 KB Output is correct
69 Correct 18 ms 612 KB Output is correct
70 Correct 26 ms 512 KB Output is correct
71 Correct 21 ms 512 KB Output is correct
72 Correct 20 ms 512 KB Output is correct
73 Correct 23 ms 512 KB Output is correct
74 Correct 24 ms 640 KB Output is correct
75 Correct 17 ms 512 KB Output is correct
76 Correct 19 ms 612 KB Output is correct
77 Correct 19 ms 512 KB Output is correct
78 Correct 19 ms 512 KB Output is correct
79 Correct 21 ms 512 KB Output is correct
80 Correct 23 ms 512 KB Output is correct
81 Correct 20 ms 512 KB Output is correct
82 Correct 22 ms 512 KB Output is correct
83 Correct 21 ms 512 KB Output is correct
84 Correct 19 ms 624 KB Output is correct
85 Correct 20 ms 512 KB Output is correct
86 Correct 21 ms 512 KB Output is correct
87 Correct 20 ms 512 KB Output is correct
88 Correct 19 ms 512 KB Output is correct
89 Correct 25 ms 612 KB Output is correct
90 Correct 24 ms 612 KB Output is correct
91 Correct 23 ms 512 KB Output is correct
92 Correct 21 ms 636 KB Output is correct
93 Correct 26 ms 512 KB Output is correct
94 Correct 20 ms 512 KB Output is correct
95 Correct 23 ms 512 KB Output is correct
96 Correct 18 ms 512 KB Output is correct
97 Correct 22 ms 512 KB Output is correct
98 Correct 24 ms 512 KB Output is correct
99 Correct 26 ms 512 KB Output is correct
100 Correct 20 ms 512 KB Output is correct
101 Correct 22 ms 512 KB Output is correct
102 Correct 24 ms 512 KB Output is correct
103 Correct 25 ms 612 KB Output is correct
104 Correct 27 ms 640 KB Output is correct
105 Correct 23 ms 512 KB Output is correct
106 Correct 20 ms 512 KB Output is correct
107 Correct 23 ms 512 KB Output is correct
108 Correct 20 ms 512 KB Output is correct
109 Correct 22 ms 512 KB Output is correct
110 Correct 20 ms 612 KB Output is correct
111 Correct 27 ms 512 KB Output is correct
112 Correct 21 ms 512 KB Output is correct
113 Correct 24 ms 512 KB Output is correct
114 Correct 20 ms 512 KB Output is correct
115 Correct 23 ms 512 KB Output is correct
116 Correct 26 ms 512 KB Output is correct
117 Correct 21 ms 512 KB Output is correct
118 Correct 19 ms 612 KB Output is correct
119 Correct 22 ms 512 KB Output is correct
120 Correct 848 ms 764 KB Output is correct
121 Correct 846 ms 1024 KB Output is correct
122 Correct 849 ms 788 KB Output is correct
123 Correct 908 ms 948 KB Output is correct
124 Correct 894 ms 928 KB Output is correct
125 Correct 839 ms 824 KB Output is correct
126 Correct 851 ms 812 KB Output is correct
127 Correct 825 ms 860 KB Output is correct
128 Correct 970 ms 912 KB Output is correct
129 Correct 842 ms 1008 KB Output is correct
130 Correct 816 ms 800 KB Output is correct
131 Correct 838 ms 764 KB Output is correct
132 Correct 853 ms 804 KB Output is correct
133 Correct 879 ms 784 KB Output is correct
134 Correct 831 ms 912 KB Output is correct
135 Correct 832 ms 796 KB Output is correct
136 Correct 818 ms 892 KB Output is correct
137 Correct 848 ms 920 KB Output is correct
138 Correct 858 ms 804 KB Output is correct
139 Correct 866 ms 1036 KB Output is correct
140 Correct 864 ms 908 KB Output is correct
141 Correct 856 ms 888 KB Output is correct
142 Correct 860 ms 1000 KB Output is correct
143 Correct 860 ms 900 KB Output is correct
144 Correct 858 ms 1032 KB Output is correct
145 Correct 821 ms 820 KB Output is correct
146 Correct 834 ms 1124 KB Output is correct
147 Correct 843 ms 860 KB Output is correct
148 Correct 855 ms 984 KB Output is correct
149 Correct 856 ms 780 KB Output is correct
150 Correct 862 ms 1012 KB Output is correct
151 Correct 824 ms 828 KB Output is correct
152 Correct 884 ms 900 KB Output is correct
153 Correct 833 ms 828 KB Output is correct
154 Correct 946 ms 872 KB Output is correct
155 Correct 918 ms 864 KB Output is correct
156 Correct 923 ms 868 KB Output is correct
157 Correct 842 ms 744 KB Output is correct
158 Correct 974 ms 804 KB Output is correct
159 Correct 857 ms 932 KB Output is correct
160 Correct 904 ms 844 KB Output is correct
161 Correct 885 ms 1060 KB Output is correct
162 Correct 901 ms 792 KB Output is correct
163 Correct 870 ms 760 KB Output is correct
164 Correct 955 ms 764 KB Output is correct
165 Correct 855 ms 808 KB Output is correct
166 Correct 861 ms 988 KB Output is correct
167 Correct 897 ms 848 KB Output is correct
168 Correct 848 ms 736 KB Output is correct
169 Correct 875 ms 1016 KB Output is correct
170 Correct 850 ms 776 KB Output is correct
171 Correct 879 ms 804 KB Output is correct
172 Correct 833 ms 780 KB Output is correct
173 Correct 904 ms 792 KB Output is correct
174 Correct 885 ms 960 KB Output is correct
175 Correct 938 ms 744 KB Output is correct
176 Correct 854 ms 932 KB Output is correct
177 Correct 817 ms 948 KB Output is correct
178 Correct 837 ms 816 KB Output is correct
179 Correct 832 ms 776 KB Output is correct
180 Correct 819 ms 1112 KB Output is correct
181 Correct 817 ms 952 KB Output is correct
182 Correct 825 ms 832 KB Output is correct
183 Correct 827 ms 788 KB Output is correct
184 Correct 836 ms 760 KB Output is correct
185 Correct 829 ms 892 KB Output is correct
186 Correct 834 ms 720 KB Output is correct
187 Correct 844 ms 940 KB Output is correct
188 Correct 822 ms 912 KB Output is correct
189 Correct 823 ms 960 KB Output is correct
190 Correct 818 ms 896 KB Output is correct
191 Correct 834 ms 776 KB Output is correct
192 Correct 843 ms 1020 KB Output is correct
193 Correct 868 ms 848 KB Output is correct
194 Correct 812 ms 804 KB Output is correct
195 Correct 899 ms 752 KB Output is correct
196 Correct 884 ms 736 KB Output is correct
197 Correct 818 ms 912 KB Output is correct
198 Correct 924 ms 708 KB Output is correct
199 Correct 824 ms 896 KB Output is correct
200 Correct 825 ms 988 KB Output is correct
201 Correct 889 ms 788 KB Output is correct
202 Correct 873 ms 868 KB Output is correct
203 Correct 819 ms 788 KB Output is correct
204 Correct 886 ms 892 KB Output is correct
205 Correct 859 ms 860 KB Output is correct
206 Correct 856 ms 892 KB Output is correct
207 Correct 896 ms 840 KB Output is correct
208 Correct 815 ms 888 KB Output is correct
209 Correct 881 ms 912 KB Output is correct
210 Correct 625 ms 940 KB Output is correct
211 Correct 628 ms 924 KB Output is correct
212 Correct 619 ms 952 KB Output is correct
213 Correct 667 ms 696 KB Output is correct
214 Correct 644 ms 912 KB Output is correct
215 Correct 679 ms 796 KB Output is correct
216 Correct 676 ms 904 KB Output is correct
217 Correct 703 ms 1084 KB Output is correct
218 Correct 668 ms 860 KB Output is correct
219 Correct 644 ms 1032 KB Output is correct
220 Correct 714 ms 880 KB Output is correct
221 Correct 644 ms 964 KB Output is correct
222 Correct 630 ms 724 KB Output is correct
223 Correct 682 ms 792 KB Output is correct
224 Correct 638 ms 928 KB Output is correct
225 Correct 637 ms 892 KB Output is correct
226 Correct 639 ms 876 KB Output is correct