답안 #64266 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
64266	2018-08-03T19:41:53 Z	kingpig9	Bali Sculptures (APIO15_sculpture)	C++11	100 / 100	123 ms	2468 KB

sculpture

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 2018;

#define debug(...) fprintf(stderr, __VA_ARGS__)
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define fillchar(a, s) memset((a), (s), sizeof(a))

int N, A, B;
ll P[MAXN];
int dp[MAXN];
bitset<MAXN> msk[MAXN];

bool can (ll cur, int pos, ll s) {
	return (s ^ (s & cur)) < (1ll << pos);
}

bool moo (ll cur, int pos) {
	//try NOT to add pos.
	//But at the same time, keep the leading bits.

	//is it possible to do it in this amount?
	if (A == 1) {
		//need N^2, not N^3 / 32.
		dp[0] = 0;
		for (int i = 1; i <= N; i++) {
			dp[i] = MAXN;
			for (int j = 0; j < i; j++) {
				ll s = P[i] - P[j];
				//s, cur, pos are what matter.
				//whatever s has and cur does not have.
				//110101........	(cur)
				//      p        
				//  c c c
				//"c"s indicate the bits that can't be set
				//note that c is also at the first dot.
				if (can(cur, pos, s)) {
					dp[i] = min(dp[i], dp[j] + 1);
				}
			}
		}
		return dp[N] <= B;
	} else {
		msk[0][0] = 1;
		for (int i = 1; i <= N; i++) {
			msk[i].reset();
			for (int j = 0; j < i; j++) {
				ll s = P[i] - P[j];
				if (can(cur, pos, s)) {
					msk[i] |= (msk[j] << 1);
				}
			}
		}

		for (int i = A; i <= B; i++) {
			if (msk[N][i]) {
				return true;
			}
		}
		return false;
	}
}

int main() {
	scanf("%d %d %d", &N, &A, &B);
	for (int i = 1; i <= N; i++) {
		scanf("%lld", &P[i]);
		P[i] += P[i - 1];
	}

	ll ans = 0;
	for (int i = 42; i >= 0; i--) {
		if (!moo(ans, i)) {
			ans ^= (1ll << i);
		}
	}
	printf("%lld\n", ans);
}

Compilation message

sculpture.cpp: In function 'int main()':
sculpture.cpp:72:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &N, &A, &B);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:74:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &P[i]);
   ~~~~~^~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	548 KB	Output is correct
4	Correct	3 ms	656 KB	Output is correct
5	Correct	2 ms	656 KB	Output is correct
6	Correct	3 ms	680 KB	Output is correct
7	Correct	4 ms	684 KB	Output is correct
8	Correct	4 ms	688 KB	Output is correct
9	Correct	27 ms	692 KB	Output is correct
10	Correct	2 ms	696 KB	Output is correct
11	Correct	2 ms	700 KB	Output is correct
12	Correct	3 ms	704 KB	Output is correct
13	Correct	3 ms	704 KB	Output is correct
14	Correct	3 ms	712 KB	Output is correct
15	Correct	2 ms	716 KB	Output is correct
16	Correct	4 ms	720 KB	Output is correct
17	Correct	2 ms	724 KB	Output is correct
18	Correct	2 ms	748 KB	Output is correct
19	Correct	3 ms	752 KB	Output is correct
20	Correct	3 ms	756 KB	Output is correct
21	Correct	4 ms	760 KB	Output is correct
22	Correct	4 ms	768 KB	Output is correct
23	Correct	3 ms	768 KB	Output is correct
24	Correct	4 ms	776 KB	Output is correct
25	Correct	3 ms	776 KB	Output is correct
26	Correct	2 ms	780 KB	Output is correct
27	Correct	2 ms	784 KB	Output is correct
28	Correct	2 ms	788 KB	Output is correct
29	Correct	2 ms	792 KB	Output is correct
30	Correct	2 ms	796 KB	Output is correct
31	Correct	2 ms	916 KB	Output is correct
32	Correct	3 ms	916 KB	Output is correct
33	Correct	3 ms	916 KB	Output is correct
34	Correct	2 ms	916 KB	Output is correct
35	Correct	2 ms	916 KB	Output is correct
36	Correct	2 ms	916 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	916 KB	Output is correct
2	Correct	3 ms	916 KB	Output is correct
3	Correct	2 ms	944 KB	Output is correct
4	Correct	3 ms	944 KB	Output is correct
5	Correct	3 ms	944 KB	Output is correct
6	Correct	2 ms	944 KB	Output is correct
7	Correct	3 ms	944 KB	Output is correct
8	Correct	2 ms	944 KB	Output is correct
9	Correct	2 ms	944 KB	Output is correct
10	Correct	4 ms	944 KB	Output is correct
11	Correct	2 ms	944 KB	Output is correct
12	Correct	3 ms	944 KB	Output is correct
13	Correct	3 ms	944 KB	Output is correct
14	Correct	3 ms	944 KB	Output is correct
15	Correct	3 ms	944 KB	Output is correct
16	Correct	3 ms	944 KB	Output is correct
17	Correct	2 ms	944 KB	Output is correct
18	Correct	3 ms	1004 KB	Output is correct
19	Correct	3 ms	1004 KB	Output is correct
20	Correct	4 ms	1004 KB	Output is correct
21	Correct	4 ms	1004 KB	Output is correct
22	Correct	3 ms	1004 KB	Output is correct
23	Correct	3 ms	1004 KB	Output is correct
24	Correct	4 ms	1120 KB	Output is correct
25	Correct	3 ms	1120 KB	Output is correct
26	Correct	3 ms	1120 KB	Output is correct
27	Correct	3 ms	1120 KB	Output is correct
28	Correct	3 ms	1140 KB	Output is correct
29	Correct	3 ms	1140 KB	Output is correct
30	Correct	3 ms	1144 KB	Output is correct
31	Correct	3 ms	1144 KB	Output is correct
32	Correct	3 ms	1144 KB	Output is correct
33	Correct	2 ms	1144 KB	Output is correct
34	Correct	3 ms	1144 KB	Output is correct
35	Correct	3 ms	1144 KB	Output is correct
36	Correct	3 ms	1144 KB	Output is correct

Subtask #3
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1188 KB	Output is correct
2	Correct	2 ms	1196 KB	Output is correct
3	Correct	2 ms	1200 KB	Output is correct
4	Correct	3 ms	1204 KB	Output is correct
5	Correct	3 ms	1208 KB	Output is correct
6	Correct	3 ms	1324 KB	Output is correct
7	Correct	3 ms	1324 KB	Output is correct
8	Correct	3 ms	1324 KB	Output is correct
9	Correct	2 ms	1324 KB	Output is correct
10	Correct	3 ms	1324 KB	Output is correct
11	Correct	2 ms	1324 KB	Output is correct
12	Correct	3 ms	1324 KB	Output is correct
13	Correct	2 ms	1356 KB	Output is correct
14	Correct	3 ms	1360 KB	Output is correct
15	Correct	2 ms	1408 KB	Output is correct
16	Correct	3 ms	1408 KB	Output is correct
17	Correct	3 ms	1408 KB	Output is correct
18	Correct	4 ms	1408 KB	Output is correct
19	Correct	4 ms	1408 KB	Output is correct
20	Correct	3 ms	1408 KB	Output is correct
21	Correct	3 ms	1408 KB	Output is correct
22	Correct	4 ms	1408 KB	Output is correct
23	Correct	2 ms	1408 KB	Output is correct
24	Correct	3 ms	1408 KB	Output is correct
25	Correct	3 ms	1408 KB	Output is correct
26	Correct	4 ms	1408 KB	Output is correct
27	Correct	3 ms	1408 KB	Output is correct
28	Correct	4 ms	1408 KB	Output is correct
29	Correct	4 ms	1408 KB	Output is correct
30	Correct	3 ms	1408 KB	Output is correct
31	Correct	4 ms	1440 KB	Output is correct
32	Correct	3 ms	1440 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1440 KB	Output is correct
2	Correct	2 ms	1440 KB	Output is correct
3	Correct	3 ms	1440 KB	Output is correct
4	Correct	3 ms	1440 KB	Output is correct
5	Correct	3 ms	1440 KB	Output is correct
6	Correct	3 ms	1440 KB	Output is correct
7	Correct	4 ms	1440 KB	Output is correct
8	Correct	4 ms	1440 KB	Output is correct
9	Correct	3 ms	1440 KB	Output is correct
10	Correct	3 ms	1440 KB	Output is correct
11	Correct	3 ms	1440 KB	Output is correct
12	Correct	3 ms	1520 KB	Output is correct
13	Correct	4 ms	1520 KB	Output is correct
14	Correct	2 ms	1520 KB	Output is correct
15	Correct	2 ms	1520 KB	Output is correct
16	Correct	4 ms	1520 KB	Output is correct
17	Correct	3 ms	1520 KB	Output is correct
18	Correct	3 ms	1520 KB	Output is correct
19	Correct	3 ms	1544 KB	Output is correct
20	Correct	2 ms	1544 KB	Output is correct
21	Correct	3 ms	1544 KB	Output is correct
22	Correct	3 ms	1544 KB	Output is correct
23	Correct	2 ms	1544 KB	Output is correct
24	Correct	3 ms	1544 KB	Output is correct
25	Correct	3 ms	1544 KB	Output is correct
26	Correct	3 ms	1544 KB	Output is correct
27	Correct	3 ms	1544 KB	Output is correct
28	Correct	2 ms	1544 KB	Output is correct
29	Correct	3 ms	1544 KB	Output is correct
30	Correct	3 ms	1544 KB	Output is correct
31	Correct	3 ms	1544 KB	Output is correct
32	Correct	3 ms	1544 KB	Output is correct
33	Correct	3 ms	1544 KB	Output is correct
34	Correct	3 ms	1544 KB	Output is correct
35	Correct	3 ms	1544 KB	Output is correct
36	Correct	3 ms	1544 KB	Output is correct
37	Correct	3 ms	1544 KB	Output is correct
38	Correct	3 ms	1544 KB	Output is correct
39	Correct	2 ms	1544 KB	Output is correct
40	Correct	2 ms	1544 KB	Output is correct
41	Correct	2 ms	1544 KB	Output is correct
42	Correct	3 ms	1544 KB	Output is correct
43	Correct	3 ms	1544 KB	Output is correct
44	Correct	2 ms	1544 KB	Output is correct
45	Correct	3 ms	1544 KB	Output is correct
46	Correct	3 ms	1544 KB	Output is correct
47	Correct	3 ms	1548 KB	Output is correct
48	Correct	3 ms	1668 KB	Output is correct
49	Correct	3 ms	1668 KB	Output is correct
50	Correct	4 ms	1668 KB	Output is correct
51	Correct	3 ms	1668 KB	Output is correct
52	Correct	4 ms	1668 KB	Output is correct
53	Correct	3 ms	1668 KB	Output is correct
54	Correct	4 ms	1668 KB	Output is correct
55	Correct	3 ms	1668 KB	Output is correct
56	Correct	4 ms	1668 KB	Output is correct
57	Correct	3 ms	1668 KB	Output is correct
58	Correct	4 ms	1668 KB	Output is correct
59	Correct	4 ms	1668 KB	Output is correct
60	Correct	3 ms	1668 KB	Output is correct
61	Correct	3 ms	1668 KB	Output is correct
62	Correct	3 ms	1668 KB	Output is correct
63	Correct	4 ms	1668 KB	Output is correct
64	Correct	16 ms	1748 KB	Output is correct
65	Correct	5 ms	1752 KB	Output is correct
66	Correct	5 ms	1760 KB	Output is correct
67	Correct	5 ms	1760 KB	Output is correct
68	Correct	7 ms	1796 KB	Output is correct
69	Correct	7 ms	1796 KB	Output is correct
70	Correct	8 ms	1796 KB	Output is correct
71	Correct	7 ms	1796 KB	Output is correct
72	Correct	10 ms	1796 KB	Output is correct
73	Correct	8 ms	1796 KB	Output is correct
74	Correct	12 ms	1796 KB	Output is correct

Subtask #5
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1796 KB	Output is correct
2	Correct	3 ms	1796 KB	Output is correct
3	Correct	2 ms	1796 KB	Output is correct
4	Correct	2 ms	1796 KB	Output is correct
5	Correct	4 ms	1796 KB	Output is correct
6	Correct	3 ms	1796 KB	Output is correct
7	Correct	2 ms	1796 KB	Output is correct
8	Correct	2 ms	1796 KB	Output is correct
9	Correct	3 ms	1796 KB	Output is correct
10	Correct	4 ms	1800 KB	Output is correct
11	Correct	3 ms	1804 KB	Output is correct
12	Correct	2 ms	1808 KB	Output is correct
13	Correct	3 ms	1812 KB	Output is correct
14	Correct	2 ms	1816 KB	Output is correct
15	Correct	2 ms	1816 KB	Output is correct
16	Correct	3 ms	1820 KB	Output is correct
17	Correct	4 ms	1828 KB	Output is correct
18	Correct	3 ms	1832 KB	Output is correct
19	Correct	3 ms	1836 KB	Output is correct
20	Correct	2 ms	1840 KB	Output is correct
21	Correct	2 ms	1844 KB	Output is correct
22	Correct	3 ms	1848 KB	Output is correct
23	Correct	3 ms	1852 KB	Output is correct
24	Correct	3 ms	1976 KB	Output is correct
25	Correct	3 ms	1976 KB	Output is correct
26	Correct	3 ms	1976 KB	Output is correct
27	Correct	2 ms	1976 KB	Output is correct
28	Correct	2 ms	1976 KB	Output is correct
29	Correct	3 ms	1976 KB	Output is correct
30	Correct	3 ms	1976 KB	Output is correct
31	Correct	3 ms	1976 KB	Output is correct
32	Correct	3 ms	1976 KB	Output is correct
33	Correct	2 ms	1976 KB	Output is correct
34	Correct	3 ms	1976 KB	Output is correct
35	Correct	3 ms	1976 KB	Output is correct
36	Correct	3 ms	2016 KB	Output is correct
37	Correct	5 ms	2016 KB	Output is correct
38	Correct	4 ms	2016 KB	Output is correct
39	Correct	5 ms	2016 KB	Output is correct
40	Correct	3 ms	2016 KB	Output is correct
41	Correct	4 ms	2016 KB	Output is correct
42	Correct	4 ms	2060 KB	Output is correct
43	Correct	3 ms	2060 KB	Output is correct
44	Correct	4 ms	2060 KB	Output is correct
45	Correct	3 ms	2060 KB	Output is correct
46	Correct	3 ms	2060 KB	Output is correct
47	Correct	3 ms	2064 KB	Output is correct
48	Correct	4 ms	2120 KB	Output is correct
49	Correct	3 ms	2120 KB	Output is correct
50	Correct	4 ms	2120 KB	Output is correct
51	Correct	3 ms	2120 KB	Output is correct
52	Correct	13 ms	2120 KB	Output is correct
53	Correct	18 ms	2148 KB	Output is correct
54	Correct	33 ms	2148 KB	Output is correct
55	Correct	37 ms	2148 KB	Output is correct
56	Correct	118 ms	2148 KB	Output is correct
57	Correct	116 ms	2232 KB	Output is correct
58	Correct	111 ms	2232 KB	Output is correct
59	Correct	116 ms	2232 KB	Output is correct
60	Correct	123 ms	2232 KB	Output is correct
61	Correct	3 ms	2232 KB	Output is correct
62	Correct	20 ms	2232 KB	Output is correct
63	Correct	36 ms	2320 KB	Output is correct
64	Correct	32 ms	2320 KB	Output is correct
65	Correct	59 ms	2320 KB	Output is correct
66	Correct	93 ms	2352 KB	Output is correct
67	Correct	116 ms	2352 KB	Output is correct
68	Correct	122 ms	2352 KB	Output is correct
69	Correct	114 ms	2468 KB	Output is correct

답안 #64266

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 21.0 / 21.0

Subtask #4 25.0 / 25.0

Subtask #5 29.0 / 29.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
21.0 / 21.0

Subtask #4
25.0 / 25.0

Subtask #5
29.0 / 29.0