oj.uz

Submission #78028

# Submission time Handle Problem Language Result Execution time Memory
78028 2018-10-02T00:15:34 Z xiaowuc1 Bali Sculptures (APIO15_sculpture) C++14
71 / 100
 1000 ms 1672 KB 
#include <bits/stdc++.h>

/*
unsigned seed1 = std::chrono::system_clock::now().time_since_epoch().count();
mt19937 g1.seed(seed1);

ios_base::sync_with_stdio(false);
cin.tie(NULL);
*/
using namespace std;

const double PI = 2 * acos(0);

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<int, ll> pill;
typedef pair<ll, ll> pll;
typedef long double ld;
typedef vector<vector<ll>> matrix;

ll pref[2001];

int n, lhs, rhs;
bool valid[2001];
bool nextValid[2001];

bool can(ll mask) {
  memset(valid, 0, sizeof(valid));
  valid[0] = true;
  for(int x = 1; x <= rhs; x++) {
    memset(nextValid, 0, sizeof(nextValid));
    for(int a = 0; a <= n; a++) {
      if(!valid[a]) continue;
      for(int b = a+1; b <= n; b++) {
        ll vv = pref[b] - pref[a];
        nextValid[b] |= (vv&mask)==vv;
      }
    }
    if(x >= lhs && nextValid[n]) return true;
    memcpy(valid, nextValid, sizeof(valid));
  }
  return false;
}

int main() {
  scanf("%d%d%d", &n, &lhs, &rhs);
  for(int i = 0; i < n; i++) {
    scanf("%lld", &pref[i+1]);
    pref[i+1] += pref[i];
  }
  ll ret = 1LL << 60;
  ret--;
  for(int i = 59; i >= 0; i--) {
    ll ans = ret ^ (1LL << (i));
    if(can(ans)) {
      ret = ans;
    }
  }
  printf("%lld\n", ret);
}

Compilation message

sculpture.cpp: In function 'int main()':
sculpture.cpp:47:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &n, &lhs, &rhs);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:49:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld", &pref[i+1]);
     ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 372 KB Output is correct
3 Correct 2 ms 408 KB Output is correct
4 Correct 2 ms 464 KB Output is correct
5 Correct 2 ms 608 KB Output is correct
6 Correct 2 ms 648 KB Output is correct
7 Correct 2 ms 648 KB Output is correct
8 Correct 2 ms 708 KB Output is correct
9 Correct 2 ms 708 KB Output is correct
10 Correct 2 ms 708 KB Output is correct
11 Correct 2 ms 708 KB Output is correct
12 Correct 3 ms 708 KB Output is correct
13 Correct 3 ms 708 KB Output is correct
14 Correct 2 ms 708 KB Output is correct
15 Correct 3 ms 708 KB Output is correct
16 Correct 3 ms 708 KB Output is correct
17 Correct 2 ms 708 KB Output is correct
18 Correct 7 ms 708 KB Output is correct
19 Correct 2 ms 708 KB Output is correct
20 Correct 2 ms 708 KB Output is correct
21 Correct 2 ms 708 KB Output is correct
22 Correct 2 ms 708 KB Output is correct
23 Correct 2 ms 708 KB Output is correct
24 Correct 2 ms 708 KB Output is correct
25 Correct 2 ms 708 KB Output is correct
26 Correct 3 ms 708 KB Output is correct
27 Correct 2 ms 708 KB Output is correct
28 Correct 2 ms 708 KB Output is correct
29 Correct 2 ms 712 KB Output is correct
30 Correct 2 ms 720 KB Output is correct
31 Correct 2 ms 720 KB Output is correct
32 Correct 2 ms 728 KB Output is correct
33 Correct 2 ms 732 KB Output is correct
34 Correct 2 ms 732 KB Output is correct
35 Correct 2 ms 740 KB Output is correct
36 Correct 2 ms 740 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 740 KB Output is correct
2 Correct 2 ms 740 KB Output is correct
3 Correct 2 ms 748 KB Output is correct
4 Correct 2 ms 748 KB Output is correct
5 Correct 2 ms 756 KB Output is correct
6 Correct 2 ms 756 KB Output is correct
7 Correct 2 ms 756 KB Output is correct
8 Correct 2 ms 756 KB Output is correct
9 Correct 2 ms 772 KB Output is correct
10 Correct 2 ms 776 KB Output is correct
11 Correct 2 ms 776 KB Output is correct
12 Correct 2 ms 776 KB Output is correct
13 Correct 2 ms 776 KB Output is correct
14 Correct 2 ms 792 KB Output is correct
15 Correct 2 ms 796 KB Output is correct
16 Correct 2 ms 796 KB Output is correct
17 Correct 2 ms 800 KB Output is correct
18 Correct 2 ms 940 KB Output is correct
19 Correct 2 ms 940 KB Output is correct
20 Correct 2 ms 940 KB Output is correct
21 Correct 2 ms 940 KB Output is correct
22 Correct 2 ms 940 KB Output is correct
23 Correct 2 ms 940 KB Output is correct
24 Correct 4 ms 940 KB Output is correct
25 Correct 2 ms 940 KB Output is correct
26 Correct 2 ms 980 KB Output is correct
27 Correct 2 ms 980 KB Output is correct
28 Correct 2 ms 980 KB Output is correct
29 Correct 2 ms 980 KB Output is correct
30 Correct 3 ms 980 KB Output is correct
31 Correct 2 ms 980 KB Output is correct
32 Correct 2 ms 980 KB Output is correct
33 Correct 2 ms 980 KB Output is correct
34 Correct 2 ms 980 KB Output is correct
35 Correct 2 ms 980 KB Output is correct
36 Correct 2 ms 980 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 980 KB Output is correct
2 Correct 2 ms 980 KB Output is correct
3 Correct 2 ms 980 KB Output is correct
4 Correct 2 ms 980 KB Output is correct
5 Correct 2 ms 980 KB Output is correct
6 Correct 2 ms 1048 KB Output is correct
7 Correct 2 ms 1048 KB Output is correct
8 Correct 2 ms 1048 KB Output is correct
9 Correct 2 ms 1048 KB Output is correct
10 Correct 2 ms 1048 KB Output is correct
11 Correct 2 ms 1048 KB Output is correct
12 Correct 2 ms 1048 KB Output is correct
13 Correct 3 ms 1048 KB Output is correct
14 Correct 2 ms 1048 KB Output is correct
15 Correct 2 ms 1048 KB Output is correct
16 Correct 2 ms 1092 KB Output is correct
17 Correct 2 ms 1092 KB Output is correct
18 Correct 2 ms 1092 KB Output is correct
19 Correct 2 ms 1092 KB Output is correct
20 Correct 2 ms 1092 KB Output is correct
21 Correct 2 ms 1092 KB Output is correct
22 Correct 2 ms 1092 KB Output is correct
23 Correct 2 ms 1092 KB Output is correct
24 Correct 2 ms 1092 KB Output is correct
25 Correct 2 ms 1092 KB Output is correct
26 Correct 2 ms 1092 KB Output is correct
27 Correct 2 ms 1092 KB Output is correct
28 Correct 3 ms 1092 KB Output is correct
29 Correct 2 ms 1092 KB Output is correct
30 Correct 2 ms 1092 KB Output is correct
31 Correct 2 ms 1092 KB Output is correct
32 Correct 3 ms 1092 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1092 KB Output is correct
2 Correct 2 ms 1092 KB Output is correct
3 Correct 2 ms 1092 KB Output is correct
4 Correct 2 ms 1092 KB Output is correct
5 Correct 3 ms 1092 KB Output is correct
6 Correct 2 ms 1092 KB Output is correct
7 Correct 2 ms 1092 KB Output is correct
8 Correct 2 ms 1092 KB Output is correct
9 Correct 2 ms 1092 KB Output is correct
10 Correct 2 ms 1092 KB Output is correct
11 Correct 2 ms 1092 KB Output is correct
12 Correct 2 ms 1092 KB Output is correct
13 Correct 2 ms 1200 KB Output is correct
14 Correct 2 ms 1204 KB Output is correct
15 Correct 2 ms 1204 KB Output is correct
16 Correct 2 ms 1204 KB Output is correct
17 Correct 2 ms 1204 KB Output is correct
18 Correct 2 ms 1204 KB Output is correct
19 Correct 2 ms 1204 KB Output is correct
20 Correct 2 ms 1204 KB Output is correct
21 Correct 2 ms 1204 KB Output is correct
22 Correct 2 ms 1204 KB Output is correct
23 Correct 2 ms 1204 KB Output is correct
24 Correct 2 ms 1204 KB Output is correct
25 Correct 2 ms 1204 KB Output is correct
26 Correct 4 ms 1204 KB Output is correct
27 Correct 2 ms 1204 KB Output is correct
28 Correct 2 ms 1204 KB Output is correct
29 Correct 2 ms 1204 KB Output is correct
30 Correct 2 ms 1204 KB Output is correct
31 Correct 2 ms 1236 KB Output is correct
32 Correct 2 ms 1236 KB Output is correct
33 Correct 2 ms 1236 KB Output is correct
34 Correct 2 ms 1236 KB Output is correct
35 Correct 2 ms 1236 KB Output is correct
36 Correct 2 ms 1236 KB Output is correct
37 Correct 2 ms 1236 KB Output is correct
38 Correct 2 ms 1300 KB Output is correct
39 Correct 2 ms 1300 KB Output is correct
40 Correct 2 ms 1300 KB Output is correct
41 Correct 2 ms 1300 KB Output is correct
42 Correct 2 ms 1300 KB Output is correct
43 Correct 2 ms 1300 KB Output is correct
44 Correct 2 ms 1300 KB Output is correct
45 Correct 2 ms 1300 KB Output is correct
46 Correct 2 ms 1300 KB Output is correct
47 Correct 2 ms 1300 KB Output is correct
48 Correct 3 ms 1300 KB Output is correct
49 Correct 2 ms 1300 KB Output is correct
50 Correct 2 ms 1300 KB Output is correct
51 Correct 3 ms 1300 KB Output is correct
52 Correct 2 ms 1300 KB Output is correct
53 Correct 2 ms 1300 KB Output is correct
54 Correct 3 ms 1300 KB Output is correct
55 Correct 2 ms 1300 KB Output is correct
56 Correct 2 ms 1376 KB Output is correct
57 Correct 3 ms 1376 KB Output is correct
58 Correct 2 ms 1376 KB Output is correct
59 Correct 3 ms 1376 KB Output is correct
60 Correct 3 ms 1376 KB Output is correct
61 Correct 2 ms 1376 KB Output is correct
62 Correct 3 ms 1376 KB Output is correct
63 Correct 4 ms 1376 KB Output is correct
64 Correct 12 ms 1376 KB Output is correct
65 Correct 3 ms 1376 KB Output is correct
66 Correct 3 ms 1376 KB Output is correct
67 Correct 3 ms 1376 KB Output is correct
68 Correct 5 ms 1376 KB Output is correct
69 Correct 20 ms 1376 KB Output is correct
70 Correct 10 ms 1376 KB Output is correct
71 Correct 3 ms 1376 KB Output is correct
72 Correct 3 ms 1376 KB Output is correct
73 Correct 10 ms 1376 KB Output is correct
74 Correct 8 ms 1376 KB Output is correct

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1376 KB Output is correct
2 Correct 2 ms 1376 KB Output is correct
3 Correct 2 ms 1376 KB Output is correct
4 Correct 2 ms 1376 KB Output is correct
5 Correct 2 ms 1376 KB Output is correct
6 Correct 2 ms 1376 KB Output is correct
7 Correct 3 ms 1376 KB Output is correct
8 Correct 2 ms 1376 KB Output is correct
9 Correct 2 ms 1376 KB Output is correct
10 Correct 2 ms 1376 KB Output is correct
11 Correct 2 ms 1376 KB Output is correct
12 Correct 2 ms 1376 KB Output is correct
13 Correct 2 ms 1492 KB Output is correct
14 Correct 2 ms 1492 KB Output is correct
15 Correct 2 ms 1492 KB Output is correct
16 Correct 3 ms 1492 KB Output is correct
17 Correct 2 ms 1492 KB Output is correct
18 Correct 2 ms 1492 KB Output is correct
19 Correct 2 ms 1492 KB Output is correct
20 Correct 2 ms 1492 KB Output is correct
21 Correct 2 ms 1492 KB Output is correct
22 Correct 2 ms 1492 KB Output is correct
23 Correct 2 ms 1492 KB Output is correct
24 Correct 2 ms 1492 KB Output is correct
25 Correct 2 ms 1492 KB Output is correct
26 Correct 2 ms 1492 KB Output is correct
27 Correct 2 ms 1492 KB Output is correct
28 Correct 2 ms 1492 KB Output is correct
29 Correct 2 ms 1492 KB Output is correct
30 Correct 2 ms 1492 KB Output is correct
31 Correct 2 ms 1492 KB Output is correct
32 Correct 2 ms 1492 KB Output is correct
33 Correct 2 ms 1492 KB Output is correct
34 Correct 2 ms 1492 KB Output is correct
35 Correct 2 ms 1492 KB Output is correct
36 Correct 2 ms 1492 KB Output is correct
37 Correct 2 ms 1492 KB Output is correct
38 Correct 2 ms 1492 KB Output is correct
39 Correct 2 ms 1492 KB Output is correct
40 Correct 2 ms 1492 KB Output is correct
41 Correct 2 ms 1492 KB Output is correct
42 Correct 2 ms 1492 KB Output is correct
43 Correct 2 ms 1492 KB Output is correct
44 Correct 3 ms 1492 KB Output is correct
45 Correct 3 ms 1492 KB Output is correct
46 Correct 3 ms 1492 KB Output is correct
47 Correct 3 ms 1492 KB Output is correct
48 Correct 2 ms 1492 KB Output is correct
49 Correct 3 ms 1500 KB Output is correct
50 Correct 3 ms 1504 KB Output is correct
51 Correct 3 ms 1508 KB Output is correct
52 Correct 131 ms 1508 KB Output is correct
53 Correct 116 ms 1512 KB Output is correct
54 Correct 230 ms 1520 KB Output is correct
55 Correct 269 ms 1520 KB Output is correct
56 Execution timed out 1076 ms 1672 KB Time limit exceeded
57 Halted 0 ms 0 KB -