oj.uz

Submission #164746

# Submission time Handle Problem Language Result Execution time Memory
164746 2019-11-23T06:51:10 Z quocnguyen1012 Bali Sculptures (APIO15_sculpture) C++14
50 / 100
 328 ms 504 KB 
#include <bits/stdc++.h>

#define Task "or"
#define pb push_back
#define int long long

using namespace std;
typedef long long ll;

mt19937 rng (chrono::steady_clock::now().time_since_epoch().count());

const int maxn = 2005;

int testbit (ll x, int n){
    return x >> n & 1;
}

int N;
int a[maxn];
ll sum[maxn];
ll f[maxn];
int P, Q;

bool submask (ll mask1, ll mask2){
    return (mask1 & mask2) == mask1;
}

bool check (ll mask){
    for (int i=1; i<=N; ++i) f[i] = 1e9;
    for (int i=1; i<=N; ++i){
        for (int j=i-1; j>=0; --j){
            if (f[j] < 1e9 && submask (sum[i] - sum[j], mask)){
                f[i] = min(f[i], f[j] + 1);
            }
        }
    }
    //cerr << f[N];
    return f[N] <= Q;
}

signed main (void){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    if (fopen (Task".in", "r")){
        freopen (Task".in", "r", stdin);
        freopen (Task".out", "w", stdout);
    }
    cin >> N >> P >> Q;
    for (int i=1; i<=N; ++i){
        cin >> a[i];
        sum[i] = sum[i-1] + a[i];
    }
    
    ll ans = (1ll << 62) - 1;
    for (int i=61; i>=0; --i){
        if (check (ans -(1ll << i)))
            ans -= (1ll << i);
        ///cerr << ans << '\n';
    }
    cout << ans;
}

Compilation message

sculpture.cpp: In function 'int main()':
sculpture.cpp:44:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen (Task".in", "r", stdin);
         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:45:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen (Task".out", "w", stdout);
         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 276 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Incorrect 2 ms 376 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 372 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 7 ms 376 KB Output is correct
15 Incorrect 2 ms 376 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #3
21.0 / 21.0

# 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 372 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 2 ms 380 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 3 ms 380 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 3 ms 376 KB Output is correct

Subtask #4
0 / 25.0

# 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Incorrect 2 ms 376 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5
29.0 / 29.0

# 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 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 380 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 380 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 3 ms 376 KB Output is correct
36 Correct 3 ms 376 KB Output is correct
37 Correct 3 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 3 ms 396 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 3 ms 376 KB Output is correct
43 Correct 3 ms 376 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 3 ms 376 KB Output is correct
46 Correct 3 ms 380 KB Output is correct
47 Correct 3 ms 376 KB Output is correct
48 Correct 3 ms 376 KB Output is correct
49 Correct 3 ms 376 KB Output is correct
50 Correct 3 ms 376 KB Output is correct
51 Correct 3 ms 380 KB Output is correct
52 Correct 31 ms 376 KB Output is correct
53 Correct 38 ms 376 KB Output is correct
54 Correct 82 ms 504 KB Output is correct
55 Correct 99 ms 376 KB Output is correct
56 Correct 251 ms 504 KB Output is correct
57 Correct 247 ms 376 KB Output is correct
58 Correct 247 ms 376 KB Output is correct
59 Correct 255 ms 376 KB Output is correct
60 Correct 265 ms 376 KB Output is correct
61 Correct 3 ms 376 KB Output is correct
62 Correct 39 ms 380 KB Output is correct
63 Correct 79 ms 376 KB Output is correct
64 Correct 65 ms 376 KB Output is correct
65 Correct 122 ms 376 KB Output is correct
66 Correct 199 ms 380 KB Output is correct
67 Correct 245 ms 500 KB Output is correct
68 Correct 294 ms 376 KB Output is correct
69 Correct 328 ms 380 KB Output is correct