oj.uz

Submission #64266

# Submission time Handle Problem Language Result Execution time Memory
64266 2018-08-03T19:41:53 Z kingpig9 Bali Sculptures (APIO15_sculpture) C++11
100 / 100
 123 ms 2468 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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