oj.uz

Submission #109832

# Submission time Handle Problem Language Result Execution time Memory
109832 2019-05-08T06:52:52 Z PeppaPig Bali Sculptures (APIO15_sculpture) C++14
21 / 100
 1000 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];

bool chk(long mid) {
    if(A == 1) {
        long ans = 0;
        for(int bit = 62; ~bit; bit--) {
            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 >> bit & 1) && ((sum | ans) >> (bit + 1)) == (ans >> (bit + 1)))
                    dp[j] = min(dp[j], dp[i-1] + 1);
            }
            if(dp[n] > B) ans |= (1ll << bit);
        }
        return (ans <= mid);
    } else {
        memset(C, 0, sizeof C);
        C[0][0] = true;
        for(int k = 1; k <= n; k++) for(int i = 1; i <= n; i++) for(int j = i; j <= n; j++) {
            long sum = pref[j] - pref[i-1];
            if((sum & mid) == sum) C[j][k] |= C[i-1][k-1]; 
        }
        for(int j = A; j <= B; j++) if(C[n][j]) return true;
        return false;
    }
}

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];

    long l = 0, r = 2e12;
    while(l < r) {
        long mid = (l + r) >> 1;
        if(chk(mid)) r = mid;
        else l = mid + 1;
    }
    printf("%lld\n", r);

    return 0;
}

Compilation message

sculpture.cpp: In function 'int main()':
sculpture.cpp:40:10: 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:41:54: 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 5 ms 384 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 7 ms 384 KB Output is correct
5 Correct 7 ms 384 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 6 ms 384 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 7 ms 384 KB Output is correct
11 Correct 9 ms 384 KB Output is correct
12 Correct 9 ms 384 KB Output is correct
13 Correct 8 ms 384 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 5 ms 384 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 6 ms 256 KB Output is correct
7 Correct 7 ms 384 KB Output is correct
8 Correct 6 ms 256 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 9 ms 256 KB Output is correct
14 Incorrect 20 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 5 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 6 ms 384 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 9 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 6 ms 256 KB Output is correct
15 Correct 6 ms 256 KB Output is correct
16 Correct 10 ms 384 KB Output is correct
17 Correct 12 ms 384 KB Output is correct
18 Correct 20 ms 256 KB Output is correct
19 Correct 18 ms 384 KB Output is correct
20 Correct 11 ms 384 KB Output is correct
21 Correct 13 ms 256 KB Output is correct
22 Correct 15 ms 256 KB Output is correct
23 Correct 15 ms 384 KB Output is correct
24 Correct 17 ms 256 KB Output is correct
25 Correct 18 ms 384 KB Output is correct
26 Correct 32 ms 256 KB Output is correct
27 Correct 29 ms 384 KB Output is correct
28 Correct 36 ms 384 KB Output is correct
29 Correct 31 ms 384 KB Output is correct
30 Correct 40 ms 504 KB Output is correct
31 Correct 39 ms 504 KB Output is correct
32 Correct 40 ms 384 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 6 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 7 ms 256 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 8 ms 256 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 6 ms 256 KB Output is correct
14 Incorrect 16 ms 4224 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 6 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 6 ms 384 KB Output is correct
9 Correct 6 ms 256 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 8 ms 384 KB Output is correct
12 Correct 7 ms 384 KB Output is correct
13 Correct 6 ms 256 KB Output is correct
14 Correct 5 ms 356 KB Output is correct
15 Correct 6 ms 384 KB Output is correct
16 Correct 7 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 8 ms 256 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 6 ms 384 KB Output is correct
22 Correct 7 ms 384 KB Output is correct
23 Correct 6 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 7 ms 384 KB Output is correct
26 Correct 9 ms 384 KB Output is correct
27 Correct 11 ms 384 KB Output is correct
28 Correct 13 ms 256 KB Output is correct
29 Correct 12 ms 256 KB Output is correct
30 Correct 11 ms 256 KB Output is correct
31 Correct 11 ms 256 KB Output is correct
32 Correct 14 ms 256 KB Output is correct
33 Correct 11 ms 384 KB Output is correct
34 Correct 12 ms 384 KB Output is correct
35 Correct 18 ms 256 KB Output is correct
36 Correct 21 ms 256 KB Output is correct
37 Correct 30 ms 384 KB Output is correct
38 Correct 34 ms 384 KB Output is correct
39 Correct 31 ms 384 KB Output is correct
40 Correct 45 ms 256 KB Output is correct
41 Correct 42 ms 508 KB Output is correct
42 Correct 44 ms 384 KB Output is correct
43 Correct 23 ms 384 KB Output is correct
44 Correct 35 ms 384 KB Output is correct
45 Correct 57 ms 384 KB Output is correct
46 Correct 54 ms 384 KB Output is correct
47 Correct 31 ms 384 KB Output is correct
48 Correct 29 ms 384 KB Output is correct
49 Correct 39 ms 256 KB Output is correct
50 Correct 39 ms 256 KB Output is correct
51 Correct 59 ms 368 KB Output is correct
52 Execution timed out 1075 ms 256 KB Time limit exceeded
53 Halted 0 ms 0 KB -