oj.uz

Submission #207646

# Submission time Handle Problem Language Result Execution time Memory
207646 2020-03-08T09:15:25 Z DystoriaX Bali Sculptures (APIO15_sculpture) C++14
100 / 100
 394 ms 504 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
int n, a, b;
int y[2010];
bool dp[110][110];
int dp2[2010];

long long pref[2010], mx;
const int lgmx = 41;

long long lsb(long long x){
    return x & (-x);
}

bool check(){
    for(int i = 0; i <= n; i++)
        for(int j = 0; j <= n; j++)
            dp[i][j] = false;
 
    dp[0][0] = true;
 
    for(int j = 1; j <= n; j++){
        for(int i = j; i <= n; i++){
            for(int k = j - 1; k < i; k++){
                long long sum = pref[i] - pref[k];

                if(lsb(mx & sum) != lsb(mx) && (sum & (~mx)) <= lsb(mx)){
                    dp[i][j] |= dp[k][j - 1];
                }
            }
        }
    }

    bool ret = false;

    for(int i = a; i <= b; i++){
        ret |= dp[n][i];
    }

    return ret;
}

void solve1(){
    for(int i = lgmx; i >= 0; i--){
        long long tmp = mx;

        mx |= (1LL << i);

        if(check()) mx = tmp;
    }
 
    printf("%lld\n", mx);
}

bool check2(){
    for(int i = 0; i <= 2000; i++) dp2[i] = 1e9;

    dp2[0] = 0;

    for(int i = 0; i <= n; i++){
        for(int k = i + 1; k <= n; k++){
            long long sum = pref[k] - pref[i];

            if(lsb(mx & sum) != lsb(mx) && (sum & (~mx)) <= lsb(mx)){
                dp2[k] = min(dp2[k], dp2[i] + 1);
            }
        }
    }

    return dp2[n] <= b;
}

void solve2(){
    for(int i = lgmx; i >= 0; i--){
        long long tmp = mx;

        mx |= (1LL << i);

        if(check2()) mx = tmp;
    }

    printf("%lld\n", mx);
}
 
int main(){
    // freopen("input.txt", "r", stdin);

    scanf("%d%d%d", &n, &a, &b);
 
    for(int i = 1; i <= n; i++){
        scanf("%d", &y[i]);
        pref[i] = y[i] + pref[i - 1];
    }

    if(n <= 100) solve1();
    else solve2();
    
    return 0;
}

Compilation message

sculpture.cpp: In function 'int main()':
sculpture.cpp:90:10: 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:93:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &y[i]);
         ~~~~~^~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 256 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 256 KB Output is correct
28 Correct 5 ms 256 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 256 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 256 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 380 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 352 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 4 ms 256 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 256 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 6 ms 376 KB Output is correct
30 Correct 6 ms 256 KB Output is correct
31 Correct 7 ms 376 KB Output is correct
32 Correct 7 ms 376 KB Output is correct
33 Correct 7 ms 376 KB Output is correct
34 Correct 7 ms 376 KB Output is correct
35 Correct 8 ms 376 KB Output is correct
36 Correct 7 ms 376 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 6 ms 376 KB Output is correct
17 Correct 6 ms 376 KB Output is correct
18 Correct 7 ms 376 KB Output is correct
19 Correct 7 ms 376 KB Output is correct
20 Correct 7 ms 376 KB Output is correct
21 Correct 7 ms 376 KB Output is correct
22 Correct 7 ms 376 KB Output is correct
23 Correct 7 ms 376 KB Output is correct
24 Correct 8 ms 376 KB Output is correct
25 Correct 10 ms 376 KB Output is correct
26 Correct 14 ms 380 KB Output is correct
27 Correct 19 ms 376 KB Output is correct
28 Correct 24 ms 376 KB Output is correct
29 Correct 22 ms 376 KB Output is correct
30 Correct 23 ms 376 KB Output is correct
31 Correct 24 ms 376 KB Output is correct
32 Correct 25 ms 376 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 380 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 256 KB Output is correct
27 Correct 4 ms 256 KB Output is correct
28 Correct 5 ms 256 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 248 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 6 ms 376 KB Output is correct
40 Correct 6 ms 256 KB Output is correct
41 Correct 7 ms 376 KB Output is correct
42 Correct 7 ms 380 KB Output is correct
43 Correct 7 ms 376 KB Output is correct
44 Correct 7 ms 376 KB Output is correct
45 Correct 7 ms 376 KB Output is correct
46 Correct 7 ms 376 KB Output is correct
47 Correct 7 ms 376 KB Output is correct
48 Correct 10 ms 376 KB Output is correct
49 Correct 14 ms 376 KB Output is correct
50 Correct 19 ms 376 KB Output is correct
51 Correct 24 ms 376 KB Output is correct
52 Correct 21 ms 376 KB Output is correct
53 Correct 21 ms 376 KB Output is correct
54 Correct 25 ms 376 KB Output is correct
55 Correct 25 ms 376 KB Output is correct
56 Correct 10 ms 376 KB Output is correct
57 Correct 20 ms 380 KB Output is correct
58 Correct 27 ms 376 KB Output is correct
59 Correct 34 ms 376 KB Output is correct
60 Correct 21 ms 380 KB Output is correct
61 Correct 18 ms 376 KB Output is correct
62 Correct 28 ms 376 KB Output is correct
63 Correct 28 ms 380 KB Output is correct
64 Correct 18 ms 376 KB Output is correct
65 Correct 10 ms 376 KB Output is correct
66 Correct 14 ms 376 KB Output is correct
67 Correct 20 ms 376 KB Output is correct
68 Correct 28 ms 376 KB Output is correct
69 Correct 34 ms 376 KB Output is correct
70 Correct 19 ms 376 KB Output is correct
71 Correct 26 ms 376 KB Output is correct
72 Correct 28 ms 376 KB Output is correct
73 Correct 28 ms 376 KB Output is correct
74 Correct 28 ms 376 KB Output is correct

Subtask #5
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 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 5 ms 256 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 256 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 6 ms 256 KB Output is correct
27 Correct 6 ms 256 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 7 ms 376 KB Output is correct
30 Correct 7 ms 376 KB Output is correct
31 Correct 7 ms 376 KB Output is correct
32 Correct 7 ms 376 KB Output is correct
33 Correct 7 ms 376 KB Output is correct
34 Correct 7 ms 376 KB Output is correct
35 Correct 10 ms 376 KB Output is correct
36 Correct 14 ms 376 KB Output is correct
37 Correct 19 ms 376 KB Output is correct
38 Correct 24 ms 376 KB Output is correct
39 Correct 22 ms 504 KB Output is correct
40 Correct 21 ms 380 KB Output is correct
41 Correct 24 ms 376 KB Output is correct
42 Correct 24 ms 376 KB Output is correct
43 Correct 9 ms 376 KB Output is correct
44 Correct 20 ms 376 KB Output is correct
45 Correct 27 ms 376 KB Output is correct
46 Correct 34 ms 296 KB Output is correct
47 Correct 19 ms 376 KB Output is correct
48 Correct 19 ms 376 KB Output is correct
49 Correct 29 ms 376 KB Output is correct
50 Correct 29 ms 376 KB Output is correct
51 Correct 6 ms 376 KB Output is correct
52 Correct 34 ms 376 KB Output is correct
53 Correct 54 ms 376 KB Output is correct
54 Correct 98 ms 376 KB Output is correct
55 Correct 95 ms 392 KB Output is correct
56 Correct 394 ms 376 KB Output is correct
57 Correct 392 ms 380 KB Output is correct
58 Correct 219 ms 376 KB Output is correct
59 Correct 126 ms 504 KB Output is correct
60 Correct 128 ms 376 KB Output is correct
61 Correct 5 ms 376 KB Output is correct
62 Correct 53 ms 376 KB Output is correct
63 Correct 96 ms 376 KB Output is correct
64 Correct 91 ms 376 KB Output is correct
65 Correct 172 ms 376 KB Output is correct
66 Correct 245 ms 504 KB Output is correct
67 Correct 304 ms 376 KB Output is correct
68 Correct 303 ms 376 KB Output is correct
69 Correct 299 ms 376 KB Output is correct