답안 #810606

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
810606	2023-08-06T12:10:02 Z	rainboy	Netrpeljivost (COI23_netrpeljivost)	C	100 / 100	861 ms	95400 KB

Main

#include <stdio.h>
#include <string.h>

#define N	2048
#define INF	0x3f3f3f3f3f3f3f3fLL

long long min(long long a, long long b) { return a < b ? a : b; }

int main() {
	static int ww[N][N];
	static long long dp[N][N], dq[N][N], xx[N];
	int n, h, i, j, k, l, m, r, lm, mr;
	long long ans;

	scanf("%d", &n);
	for (i = 0; i < n; i++)
		for (j = 0; j < n; j++)
			scanf("%d", &ww[i][j]);
	if (n == 1) {
		printf("0\n");
		return 0;
	}
	if (n == 2) {
		printf("%d\n", ww[0][1]);
		return 0;
	}
	for (h = 0; 1 << h < n / 2; h++)
		if (h == 0)
			for (i = 0; i < n; i += 2) {
				j = i + 1;
				dp[i][j] = ww[i][j];
			}
		else
			for (l = 0; l < n; l = r) {
				r = l + (1 << h + 1), m = l + (1 << h), lm = l + (1 << h - 1), mr = m + (1 << h - 1);
				for (i = l; i < m; i++)
					memset(dq[i] + m, 0x3f, (r - m) * sizeof *dq[i]);
				for (i = l; i < lm; i++)
					for (j = lm; j < m; j++)
						for (k = m; k < r; k++) {
							dq[i][k] = min(dq[i][k], dp[i][j] + ww[j][k]);
							dq[j][k] = min(dq[j][k], dp[i][j] + ww[i][k]);
						}
				for (i = l; i < m; i++)
					memset(dp[i] + m, 0x3f, (r - m) * sizeof *dp[i]);
				for (i = l; i < m; i++)
					for (j = m; j < mr; j++)
						for (k = mr; k < r; k++) {
							dp[i][k] = min(dp[i][k], dq[i][j] + dp[j][k]);
							dp[i][j] = min(dp[i][j], dq[i][k] + dp[j][k]);
						}
			}
	l = 0, r = l + (1 << h + 1), m = l + (1 << h), lm = l + (1 << h - 1), mr = m + (1 << h - 1);
	memset(xx + l, 0x3f, (r - l) * sizeof *xx);
	for (i = l; i < lm; i++)
		for (j = lm; j < m; j++) {
			xx[i] = min(xx[i], dp[i][j]);
			xx[j] = min(xx[j], dp[i][j]);
		}
	for (i = m; i < mr; i++)
		for (j = mr; j < r; j++) {
			xx[i] = min(xx[i], dp[i][j]);
			xx[j] = min(xx[j], dp[i][j]);
		}
	ans = INF;
	for (i = l; i < m; i++)
		for (j = m; j < r; j++)
			ans = min(ans, xx[i] + ww[i][j] + xx[j]);
	printf("%lld\n", ans);
	return 0;
}

Compilation message

Main.c: In function 'main':
Main.c:35:21: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
   35 |     r = l + (1 << h + 1), m = l + (1 << h), lm = l + (1 << h - 1), mr = m + (1 << h - 1);
      |                   ~~^~~
Main.c:35:62: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   35 |     r = l + (1 << h + 1), m = l + (1 << h), lm = l + (1 << h - 1), mr = m + (1 << h - 1);
      |                                                            ~~^~~
Main.c:35:85: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   35 |     r = l + (1 << h + 1), m = l + (1 << h), lm = l + (1 << h - 1), mr = m + (1 << h - 1);
      |                                                                                   ~~^~~
Main.c:53:25: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
   53 |  l = 0, r = l + (1 << h + 1), m = l + (1 << h), lm = l + (1 << h - 1), mr = m + (1 << h - 1);
      |                       ~~^~~
Main.c:53:66: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   53 |  l = 0, r = l + (1 << h + 1), m = l + (1 << h), lm = l + (1 << h - 1), mr = m + (1 << h - 1);
      |                                                                ~~^~~
Main.c:53:89: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   53 |  l = 0, r = l + (1 << h + 1), m = l + (1 << h), lm = l + (1 << h - 1), mr = m + (1 << h - 1);
      |                                                                                       ~~^~~
Main.c:15:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
Main.c:18:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |    scanf("%d", &ww[i][j]);
      |    ^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	0 ms	420 KB	Output is correct
3	Correct	1 ms	424 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	420 KB	Output is correct
7	Correct	1 ms	420 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	0 ms	468 KB	Output is correct
10	Correct	0 ms	468 KB	Output is correct
11	Correct	0 ms	464 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	352 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	468 KB	Output is correct
16	Correct	1 ms	468 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	420 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct

Subtask #2
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	0 ms	420 KB	Output is correct
3	Correct	1 ms	424 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	420 KB	Output is correct
7	Correct	1 ms	420 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	0 ms	468 KB	Output is correct
10	Correct	0 ms	468 KB	Output is correct
11	Correct	0 ms	464 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	352 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	468 KB	Output is correct
16	Correct	1 ms	468 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	420 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	5 ms	1780 KB	Output is correct
22	Correct	5 ms	1812 KB	Output is correct
23	Correct	4 ms	1804 KB	Output is correct
24	Correct	2 ms	980 KB	Output is correct
25	Correct	2 ms	996 KB	Output is correct
26	Correct	4 ms	1876 KB	Output is correct
27	Correct	5 ms	1852 KB	Output is correct
28	Correct	4 ms	1880 KB	Output is correct
29	Correct	3 ms	1876 KB	Output is correct
30	Correct	6 ms	1808 KB	Output is correct
31	Correct	5 ms	1920 KB	Output is correct
32	Correct	4 ms	1856 KB	Output is correct
33	Correct	4 ms	1876 KB	Output is correct
34	Correct	4 ms	1876 KB	Output is correct
35	Correct	5 ms	1840 KB	Output is correct
36	Correct	5 ms	1844 KB	Output is correct
37	Correct	3 ms	1876 KB	Output is correct
38	Correct	8 ms	1748 KB	Output is correct
39	Correct	5 ms	1832 KB	Output is correct
40	Correct	5 ms	1876 KB	Output is correct

Subtask #3
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	0 ms	420 KB	Output is correct
3	Correct	1 ms	424 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	420 KB	Output is correct
7	Correct	1 ms	420 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	0 ms	468 KB	Output is correct
10	Correct	0 ms	468 KB	Output is correct
11	Correct	0 ms	464 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	352 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	468 KB	Output is correct
16	Correct	1 ms	468 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	420 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	5 ms	1780 KB	Output is correct
22	Correct	5 ms	1812 KB	Output is correct
23	Correct	4 ms	1804 KB	Output is correct
24	Correct	2 ms	980 KB	Output is correct
25	Correct	2 ms	996 KB	Output is correct
26	Correct	4 ms	1876 KB	Output is correct
27	Correct	5 ms	1852 KB	Output is correct
28	Correct	4 ms	1880 KB	Output is correct
29	Correct	3 ms	1876 KB	Output is correct
30	Correct	6 ms	1808 KB	Output is correct
31	Correct	5 ms	1920 KB	Output is correct
32	Correct	4 ms	1856 KB	Output is correct
33	Correct	4 ms	1876 KB	Output is correct
34	Correct	4 ms	1876 KB	Output is correct
35	Correct	5 ms	1840 KB	Output is correct
36	Correct	5 ms	1844 KB	Output is correct
37	Correct	3 ms	1876 KB	Output is correct
38	Correct	8 ms	1748 KB	Output is correct
39	Correct	5 ms	1832 KB	Output is correct
40	Correct	5 ms	1876 KB	Output is correct
41	Correct	48 ms	9084 KB	Output is correct
42	Correct	51 ms	9620 KB	Output is correct
43	Correct	48 ms	9132 KB	Output is correct
44	Correct	97 ms	7940 KB	Output is correct
45	Correct	67 ms	8408 KB	Output is correct
46	Correct	40 ms	9708 KB	Output is correct
47	Correct	85 ms	8168 KB	Output is correct
48	Correct	48 ms	9768 KB	Output is correct
49	Correct	61 ms	8584 KB	Output is correct
50	Correct	87 ms	7744 KB	Output is correct
51	Correct	77 ms	7804 KB	Output is correct
52	Correct	73 ms	7752 KB	Output is correct
53	Correct	62 ms	7756 KB	Output is correct
54	Correct	81 ms	7804 KB	Output is correct
55	Correct	108 ms	7788 KB	Output is correct
56	Correct	56 ms	10008 KB	Output is correct
57	Correct	39 ms	10232 KB	Output is correct
58	Correct	37 ms	10188 KB	Output is correct
59	Correct	30 ms	10264 KB	Output is correct
60	Correct	35 ms	10168 KB	Output is correct

Subtask #4
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	0 ms	420 KB	Output is correct
3	Correct	1 ms	424 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	420 KB	Output is correct
7	Correct	1 ms	420 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	0 ms	468 KB	Output is correct
10	Correct	0 ms	468 KB	Output is correct
11	Correct	0 ms	464 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	352 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	468 KB	Output is correct
16	Correct	1 ms	468 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	420 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	5 ms	1780 KB	Output is correct
22	Correct	5 ms	1812 KB	Output is correct
23	Correct	4 ms	1804 KB	Output is correct
24	Correct	2 ms	980 KB	Output is correct
25	Correct	2 ms	996 KB	Output is correct
26	Correct	4 ms	1876 KB	Output is correct
27	Correct	5 ms	1852 KB	Output is correct
28	Correct	4 ms	1880 KB	Output is correct
29	Correct	3 ms	1876 KB	Output is correct
30	Correct	6 ms	1808 KB	Output is correct
31	Correct	5 ms	1920 KB	Output is correct
32	Correct	4 ms	1856 KB	Output is correct
33	Correct	4 ms	1876 KB	Output is correct
34	Correct	4 ms	1876 KB	Output is correct
35	Correct	5 ms	1840 KB	Output is correct
36	Correct	5 ms	1844 KB	Output is correct
37	Correct	3 ms	1876 KB	Output is correct
38	Correct	8 ms	1748 KB	Output is correct
39	Correct	5 ms	1832 KB	Output is correct
40	Correct	5 ms	1876 KB	Output is correct
41	Correct	48 ms	9084 KB	Output is correct
42	Correct	51 ms	9620 KB	Output is correct
43	Correct	48 ms	9132 KB	Output is correct
44	Correct	97 ms	7940 KB	Output is correct
45	Correct	67 ms	8408 KB	Output is correct
46	Correct	40 ms	9708 KB	Output is correct
47	Correct	85 ms	8168 KB	Output is correct
48	Correct	48 ms	9768 KB	Output is correct
49	Correct	61 ms	8584 KB	Output is correct
50	Correct	87 ms	7744 KB	Output is correct
51	Correct	77 ms	7804 KB	Output is correct
52	Correct	73 ms	7752 KB	Output is correct
53	Correct	62 ms	7756 KB	Output is correct
54	Correct	81 ms	7804 KB	Output is correct
55	Correct	108 ms	7788 KB	Output is correct
56	Correct	56 ms	10008 KB	Output is correct
57	Correct	39 ms	10232 KB	Output is correct
58	Correct	37 ms	10188 KB	Output is correct
59	Correct	30 ms	10264 KB	Output is correct
60	Correct	35 ms	10168 KB	Output is correct
61	Correct	776 ms	94976 KB	Output is correct
62	Correct	741 ms	95400 KB	Output is correct
63	Correct	717 ms	95400 KB	Output is correct
64	Correct	755 ms	95324 KB	Output is correct
65	Correct	780 ms	93436 KB	Output is correct
66	Correct	727 ms	92236 KB	Output is correct
67	Correct	724 ms	95180 KB	Output is correct
68	Correct	754 ms	95216 KB	Output is correct
69	Correct	757 ms	95384 KB	Output is correct
70	Correct	751 ms	95192 KB	Output is correct
71	Correct	781 ms	95064 KB	Output is correct
72	Correct	756 ms	93464 KB	Output is correct
73	Correct	803 ms	92416 KB	Output is correct
74	Correct	793 ms	93912 KB	Output is correct
75	Correct	742 ms	95140 KB	Output is correct
76	Correct	794 ms	94760 KB	Output is correct
77	Correct	861 ms	91220 KB	Output is correct
78	Correct	836 ms	93112 KB	Output is correct
79	Correct	826 ms	92732 KB	Output is correct
80	Correct	806 ms	92024 KB	Output is correct

답안 #810606

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 17.0 / 17.0

Subtask #3 32.0 / 32.0

Subtask #4 41.0 / 41.0

Subtask #1
10.0 / 10.0

Subtask #2
17.0 / 17.0

Subtask #3
32.0 / 32.0

Subtask #4
41.0 / 41.0