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Submission #329265

# Submission time Handle Problem Language Result Execution time Memory
329265 2020-11-20T01:51:18 Z seedkin Key of Impassable Doors (FXCUP3_key) C
100 / 100
 23 ms 10220 KB 
#include "key.h"

#include <stdio.h>



int dir[1005];

int count[1005][1005]; // [i][j]: i개 들어갈수있는 j번째 방

int countIdx[1005]; // i개 들어갈수있는 방의 갯수

int maxCount; // 가장 많이 들어갈수있는 방의 수

int report[1005][1005];



void EnsureKeyInfo(int N) {

	for(int i = 0; i<= N; i++) {

		dir[i] = -1;

		countIdx[i] = 0;

		for(int j =0; j<= N; j++) {

			report[i][j] = 0;

		}

	}	

	maxCount = 0;

	for(int i = 1; i <= N; i++) {

		TakeKey(i);

		int cnt = Explore();

		count[cnt][countIdx[cnt]] = i;

		countIdx[cnt]++;

		if(cnt > maxCount) maxCount = cnt;

	}

	// printf("%d\n", maxCount);

	for(int i = 2; i <= maxCount; i++) {

		int with[1005] = {0,};

		int withCnt = 0;

		for(int j = 0; j < countIdx[i]; j++) {

			int now = count[i][j];			

			if(dir[now] != -1) continue;



			int low = 0;

			int high = countIdx[i-1];

			int mid = (low + high) / 2;

			int flag = 0;



			{

				int visit[1005] = {0,};

				int cnt = 0;

				TakeKey(now);

				for(int j = low; j < high; j++) {

					int room = count[i-1][j];

					TakeKey(room);

					while(room != -1) {

						if(visit[room] == 0) {

							visit[room] = 1;

							cnt++;

						} else {

							break;

						}

						room = dir[room];

					}

				}

				int r = Explore();

				if( r == cnt+1) {

					flag = 1;

				}

			}



			if(flag) {

				while(low != mid) {

					int visit[1005] = {0,};

					int cnt = 0;

					TakeKey(now);

					for(int j = low; j < mid; j++) {

						int room = count[i-1][j];

						TakeKey(room);

						while(room != -1) {

							if(visit[room] == 0) {

								visit[room] = 1;

								cnt++;

							} else {

								break;

							}

							room = dir[room];

						}

					}

					int r = Explore();

					if( r == cnt+1) {

						high = mid;

						mid = (low + high) / 2;

					} else {

						low = mid;

						mid = (low + high) / 2;

					}

				}

				dir[now] = count[i-1][low];

				continue;

			} else {

				with[withCnt++] = now;

			}		

		}



		// for(int j= 0; j< withCnt; j++) printf("%d ", with[j]);

		int head[1005];

		int headCnt = 0;

		for(int j = 0; j < withCnt; j++) {

			// printf("%d ", headCnt);

			int now = with[j];

			if(headCnt == 0) head[headCnt++] = now;

			else {				

				int low = 0;

				int high = headCnt;

				int mid = (low + high) / 2;

				int cnt = 0;



				{

					TakeKey(now);

					for(int k = low; k < high; k++) {

						TakeKey(head[k]);

						cnt += i;

					}

					int r = Explore();

					if(r != cnt) {

						head[headCnt++] = now;

						continue;

					} 

				}

				

				// printf("this");

				while(low != mid) {

					cnt = 0;

					TakeKey(now);

					for(int k = low; k < mid; k++) {

						TakeKey(head[k]);

						cnt += i;

					}

					int r = Explore();

					// printf("%d %d %d %d %d\n", now, cnt, r, low, high);

					if(r == cnt) {

						high = mid;

						mid = (low + high) / 2;

					} else {

						low = mid;

						mid = (low + high) / 2;

					}

				}

				// printf("this");				

				dir[now] = dir[head[low]];

				if(dir[now] == -1) dir[now] = head[low];

				dir[head[low]] = now;

				// printf("%d %d %d %d\n", now, dir[now], head[low], dir[head[low]]);

			}

		}

		// for(int j =0; j < headCnt; j++) printf("%d ", head[j]);

		// printf("\n");

	}



	



	for(int i = 1; i <= N; i++) {

		int room = i;

		while(room != -1 && report[i][room] == 0) {

			// printf("%d %d\n", i, room);

			Report(i, room);

			report[i][room] = 1;

			room = dir[room];

		}

	}

}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 876 KB Output is correct
4 Correct 1 ms 896 KB Output is correct
5 Correct 1 ms 876 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1260 KB Output is correct
8 Correct 1 ms 1260 KB Output is correct
9 Correct 1 ms 1132 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 1 ms 1132 KB Output is correct
12 Correct 1 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 1 ms 1260 KB Output is correct
15 Correct 1 ms 1260 KB Output is correct
16 Correct 1 ms 1132 KB Output is correct
17 Correct 2 ms 1408 KB Output is correct

Subtask #2
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 876 KB Output is correct
4 Correct 1 ms 896 KB Output is correct
5 Correct 1 ms 876 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1260 KB Output is correct
8 Correct 1 ms 1260 KB Output is correct
9 Correct 1 ms 1132 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 1 ms 1132 KB Output is correct
12 Correct 1 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 1 ms 1260 KB Output is correct
15 Correct 1 ms 1260 KB Output is correct
16 Correct 1 ms 1132 KB Output is correct
17 Correct 2 ms 1408 KB Output is correct
18 Correct 3 ms 3052 KB Output is correct
19 Correct 4 ms 2924 KB Output is correct
20 Correct 4 ms 2924 KB Output is correct
21 Correct 4 ms 3052 KB Output is correct
22 Correct 3 ms 3564 KB Output is correct
23 Correct 6 ms 4460 KB Output is correct
24 Correct 6 ms 4460 KB Output is correct
25 Correct 7 ms 4332 KB Output is correct
26 Correct 6 ms 4332 KB Output is correct
27 Correct 6 ms 4460 KB Output is correct
28 Correct 5 ms 4332 KB Output is correct
29 Correct 5 ms 4352 KB Output is correct
30 Correct 6 ms 4332 KB Output is correct
31 Correct 6 ms 4352 KB Output is correct
32 Correct 7 ms 4460 KB Output is correct
33 Correct 6 ms 5228 KB Output is correct

Subtask #3
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 876 KB Output is correct
4 Correct 1 ms 896 KB Output is correct
5 Correct 1 ms 876 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1260 KB Output is correct
8 Correct 1 ms 1260 KB Output is correct
9 Correct 1 ms 1132 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 1 ms 1132 KB Output is correct
12 Correct 1 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 1 ms 1260 KB Output is correct
15 Correct 1 ms 1260 KB Output is correct
16 Correct 1 ms 1132 KB Output is correct
17 Correct 2 ms 1408 KB Output is correct
18 Correct 3 ms 3052 KB Output is correct
19 Correct 4 ms 2924 KB Output is correct
20 Correct 4 ms 2924 KB Output is correct
21 Correct 4 ms 3052 KB Output is correct
22 Correct 3 ms 3564 KB Output is correct
23 Correct 6 ms 4460 KB Output is correct
24 Correct 6 ms 4460 KB Output is correct
25 Correct 7 ms 4332 KB Output is correct
26 Correct 6 ms 4332 KB Output is correct
27 Correct 6 ms 4460 KB Output is correct
28 Correct 5 ms 4332 KB Output is correct
29 Correct 5 ms 4352 KB Output is correct
30 Correct 6 ms 4332 KB Output is correct
31 Correct 6 ms 4352 KB Output is correct
32 Correct 7 ms 4460 KB Output is correct
33 Correct 6 ms 5228 KB Output is correct
34 Correct 14 ms 7404 KB Output is correct
35 Correct 18 ms 7148 KB Output is correct
36 Correct 13 ms 7148 KB Output is correct
37 Correct 12 ms 7148 KB Output is correct
38 Correct 14 ms 8812 KB Output is correct
39 Correct 18 ms 8428 KB Output is correct
40 Correct 19 ms 8428 KB Output is correct
41 Correct 23 ms 8300 KB Output is correct
42 Correct 20 ms 8300 KB Output is correct
43 Correct 22 ms 8300 KB Output is correct
44 Correct 17 ms 8300 KB Output is correct
45 Correct 16 ms 8300 KB Output is correct
46 Correct 19 ms 8300 KB Output is correct
47 Correct 19 ms 8428 KB Output is correct
48 Correct 17 ms 8428 KB Output is correct
49 Correct 18 ms 10220 KB Output is correct