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Submission #109849

# Submission time Handle Problem Language Result Execution time Memory
109849 2019-05-08T07:23:13 Z PeppaPig Bali Sculptures (APIO15_sculpture) C++14
50 / 100
 447 ms 4224 KB 
#include <bits/stdc++.h>

#define long long long

using namespace std;

const int N = 2e3+5;

int n, A, B;
long pref[N];
bool C[N][N];

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

    if(A == 1) {
        long ans = 0;
        for(int b = 62; ~b; b--) {
            int dp[N]; fill_n(dp, N, 1e9);
            dp[0] = 0;
            for(int i = 1; i <= n; i++) for(int j = i; j <= n; j++) {
                long sum = pref[j] - pref[i-1];
                if(!(sum >> b & 1) && ((sum | ans) >> (b + 1)) == (ans >> (b + 1)))
                    dp[j] = min(dp[j], dp[i-1] + 1);
            }
            if(dp[n] > B) ans |= 1ll << b;
        }
        printf("%lld\n", ans);
    } else {
        long l = 0, r = 1e13;
        while(l < r) {
            long mid = (l + r) >> 1;
            memset(C, false, sizeof C);
            C[0][0] = true;
            for(int i = 1; i <= n; i++) for(int k = 1; k <= i; k++) for(int j = 1; j <= i; j++) {
                long sum = pref[i] - pref[j-1];
                if((sum & mid) == sum) C[i][k] |= C[j-1][k-1];
            }

            bool valid = false;
            for(int i = A; i <= B; i++) valid |= C[n][i];
            if(valid) r = mid;
            else l = mid + 1;
        }
        printf("%lld\n", r);
    }

    return 0;
}

Compilation message

sculpture.cpp: In function 'int main()':
sculpture.cpp:14:10: 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:15:54: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= n; i++) scanf("%lld", pref+i), pref[i] += pref[i-1];
                                 ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 3 ms 256 KB Output is correct
14 Incorrect 14 ms 4224 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 3 ms 256 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Incorrect 15 ms 4224 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 460 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 4 ms 256 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 3 ms 384 KB Output is correct
31 Correct 4 ms 384 KB Output is correct
32 Correct 3 ms 384 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Incorrect 13 ms 4196 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #5
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 3 ms 256 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 3 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 2 ms 384 KB Output is correct
36 Correct 3 ms 256 KB Output is correct
37 Correct 3 ms 256 KB Output is correct
38 Correct 3 ms 256 KB Output is correct
39 Correct 3 ms 256 KB Output is correct
40 Correct 3 ms 384 KB Output is correct
41 Correct 3 ms 384 KB Output is correct
42 Correct 4 ms 256 KB Output is correct
43 Correct 3 ms 384 KB Output is correct
44 Correct 4 ms 256 KB Output is correct
45 Correct 4 ms 384 KB Output is correct
46 Correct 4 ms 256 KB Output is correct
47 Correct 3 ms 256 KB Output is correct
48 Correct 3 ms 384 KB Output is correct
49 Correct 3 ms 356 KB Output is correct
50 Correct 3 ms 428 KB Output is correct
51 Correct 3 ms 256 KB Output is correct
52 Correct 41 ms 372 KB Output is correct
53 Correct 62 ms 384 KB Output is correct
54 Correct 117 ms 384 KB Output is correct
55 Correct 109 ms 376 KB Output is correct
56 Correct 437 ms 384 KB Output is correct
57 Correct 447 ms 504 KB Output is correct
58 Correct 334 ms 384 KB Output is correct
59 Correct 202 ms 384 KB Output is correct
60 Correct 203 ms 384 KB Output is correct
61 Correct 3 ms 256 KB Output is correct
62 Correct 60 ms 376 KB Output is correct
63 Correct 117 ms 384 KB Output is correct
64 Correct 112 ms 504 KB Output is correct
65 Correct 212 ms 504 KB Output is correct
66 Correct 295 ms 504 KB Output is correct
67 Correct 359 ms 384 KB Output is correct
68 Correct 406 ms 384 KB Output is correct
69 Correct 354 ms 376 KB Output is correct