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Submission #552601

# Submission time Handle Problem Language Result Execution time Memory
552601 2022-04-23T11:53:15 Z QwertyPi Bali Sculptures (APIO15_sculpture) C++14
37 / 100
 80 ms 95008 KB 
#include <bits/stdc++.h>
#define int long long
#define INF (1LL << 60)
using namespace std;
const int N = 2001;
int dp[N][N], dp2[N];
int s[N], A[N];
vector<int> vals[N][N];
typedef uint32_t uint;
bool valid[N][N];
int n, a, b;
bool check(int mask){
	for(int i = 0; i < n; i++){
		for(int j = i; j < n; j++){
			int v = s[j + 1] - s[i];
			valid[i][j] = (v | mask) == mask;
		}
	}
	if(n < -100){
		fill(dp2 + 1, dp2 + n + 1, INF);
		for(int i = 0; i < n; i++){
			for(int j = 0; j <= i; j++){
				dp2[i + 1] = min(dp2[i + 1], dp2[j] + valid[j][i]);
			}
		}
		return dp2[n] <= b;
	}else{
		for(int i = 0; i <= n; i++){
			for(int j = 0; j <= n; j++){
				dp[i][j] = false;
			}
		}
		dp[0][0] = true;
		for(int tr = 0; tr < n; tr++){
			for(int i = 0; i < n; i++){
				for(int j = i; j < n; j++){
					dp[tr + 1][j + 1] |= dp[tr][i] & valid[i][j];
				}
			}
		}
		bool ans = false;
		for(int i = a; i <= b; i++){
			ans |= dp[i][n];
		}
		return ans;
	}
}

int32_t main(){
	cin >> n >> a >> b;
	vals[0][0].push_back(0);
	for(int i = 1; i <= n; i++) cin >> A[i], s[i] = s[i - 1] + A[i];
	uint mask = 0;
	for(int j = 60; j >= 0; j--){
		if(!check(mask + (1LL << j) - 1)){
			mask += 1LL << j;
		}
	}
	cout << mask << endl;
}

Compilation message

sculpture.cpp: In function 'bool check(long long int)':
sculpture.cpp:26:15: warning: array subscript -101 is below array bounds of 'long long int [2001]' [-Warray-bounds]
   26 |   return dp2[n] <= b;
      |          ~~~~~^
sculpture.cpp:6:15: note: while referencing 'dp2'
    6 | int dp[N][N], dp2[N];
      |               ^~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 94292 KB Output is correct
2 Correct 43 ms 94260 KB Output is correct
3 Correct 45 ms 94272 KB Output is correct
4 Correct 48 ms 94368 KB Output is correct
5 Correct 46 ms 94292 KB Output is correct
6 Correct 47 ms 94308 KB Output is correct
7 Correct 53 ms 94380 KB Output is correct
8 Correct 51 ms 94348 KB Output is correct
9 Correct 44 ms 94420 KB Output is correct
10 Correct 44 ms 94412 KB Output is correct
11 Correct 45 ms 94416 KB Output is correct
12 Correct 46 ms 94324 KB Output is correct
13 Correct 45 ms 94412 KB Output is correct
14 Correct 46 ms 94284 KB Output is correct
15 Correct 48 ms 94288 KB Output is correct
16 Correct 47 ms 94320 KB Output is correct
17 Correct 46 ms 94300 KB Output is correct
18 Correct 43 ms 94316 KB Output is correct
19 Correct 44 ms 94524 KB Output is correct
20 Correct 45 ms 94376 KB Output is correct
21 Correct 47 ms 94420 KB Output is correct
22 Correct 46 ms 94360 KB Output is correct
23 Correct 53 ms 94400 KB Output is correct
24 Correct 47 ms 94412 KB Output is correct
25 Correct 43 ms 94420 KB Output is correct
26 Correct 47 ms 94364 KB Output is correct
27 Correct 45 ms 94272 KB Output is correct
28 Correct 46 ms 94316 KB Output is correct
29 Correct 47 ms 94324 KB Output is correct
30 Correct 47 ms 94412 KB Output is correct
31 Correct 54 ms 94376 KB Output is correct
32 Incorrect 49 ms 94500 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 94352 KB Output is correct
2 Correct 45 ms 94376 KB Output is correct
3 Correct 54 ms 94284 KB Output is correct
4 Correct 46 ms 94304 KB Output is correct
5 Correct 48 ms 94292 KB Output is correct
6 Correct 45 ms 94376 KB Output is correct
7 Correct 52 ms 94412 KB Output is correct
8 Correct 56 ms 94336 KB Output is correct
9 Correct 46 ms 94412 KB Output is correct
10 Correct 52 ms 94356 KB Output is correct
11 Correct 46 ms 94408 KB Output is correct
12 Correct 44 ms 94396 KB Output is correct
13 Correct 47 ms 94420 KB Output is correct
14 Correct 45 ms 94292 KB Output is correct
15 Correct 46 ms 94416 KB Output is correct
16 Correct 50 ms 94304 KB Output is correct
17 Correct 46 ms 94332 KB Output is correct
18 Correct 45 ms 94336 KB Output is correct
19 Correct 45 ms 94376 KB Output is correct
20 Correct 45 ms 94388 KB Output is correct
21 Correct 45 ms 94348 KB Output is correct
22 Correct 45 ms 94340 KB Output is correct
23 Correct 47 ms 94428 KB Output is correct
24 Correct 48 ms 94396 KB Output is correct
25 Correct 46 ms 94420 KB Output is correct
26 Correct 45 ms 94356 KB Output is correct
27 Correct 44 ms 94448 KB Output is correct
28 Correct 46 ms 94424 KB Output is correct
29 Correct 46 ms 94464 KB Output is correct
30 Correct 48 ms 94540 KB Output is correct
31 Correct 49 ms 94624 KB Output is correct
32 Correct 48 ms 94628 KB Output is correct
33 Correct 47 ms 94564 KB Output is correct
34 Correct 48 ms 94640 KB Output is correct
35 Correct 47 ms 94540 KB Output is correct
36 Correct 47 ms 94528 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 94316 KB Output is correct
2 Correct 45 ms 94292 KB Output is correct
3 Correct 46 ms 94344 KB Output is correct
4 Correct 51 ms 94304 KB Output is correct
5 Correct 52 ms 94396 KB Output is correct
6 Correct 46 ms 94336 KB Output is correct
7 Correct 47 ms 94356 KB Output is correct
8 Correct 53 ms 94420 KB Output is correct
9 Correct 47 ms 94412 KB Output is correct
10 Correct 46 ms 94428 KB Output is correct
11 Correct 56 ms 94436 KB Output is correct
12 Correct 45 ms 94348 KB Output is correct
13 Correct 54 ms 94400 KB Output is correct
14 Correct 45 ms 94432 KB Output is correct
15 Correct 50 ms 94484 KB Output is correct
16 Correct 47 ms 94456 KB Output is correct
17 Correct 46 ms 94536 KB Output is correct
18 Correct 51 ms 94552 KB Output is correct
19 Correct 49 ms 94556 KB Output is correct
20 Correct 56 ms 94572 KB Output is correct
21 Correct 54 ms 94556 KB Output is correct
22 Correct 58 ms 94548 KB Output is correct
23 Correct 52 ms 94540 KB Output is correct
24 Correct 49 ms 94536 KB Output is correct
25 Correct 55 ms 94668 KB Output is correct
26 Correct 62 ms 94804 KB Output is correct
27 Correct 66 ms 94856 KB Output is correct
28 Correct 67 ms 94972 KB Output is correct
29 Correct 72 ms 95008 KB Output is correct
30 Correct 74 ms 94996 KB Output is correct
31 Correct 80 ms 94928 KB Output is correct
32 Correct 79 ms 95008 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 94272 KB Output is correct
2 Correct 47 ms 94284 KB Output is correct
3 Correct 48 ms 94348 KB Output is correct
4 Correct 44 ms 94284 KB Output is correct
5 Correct 50 ms 94412 KB Output is correct
6 Correct 50 ms 94320 KB Output is correct
7 Correct 57 ms 94404 KB Output is correct
8 Correct 57 ms 94400 KB Output is correct
9 Correct 50 ms 94420 KB Output is correct
10 Correct 46 ms 94412 KB Output is correct
11 Correct 46 ms 94332 KB Output is correct
12 Correct 46 ms 94360 KB Output is correct
13 Correct 46 ms 94380 KB Output is correct
14 Correct 45 ms 94284 KB Output is correct
15 Correct 47 ms 94284 KB Output is correct
16 Correct 45 ms 94360 KB Output is correct
17 Correct 49 ms 94320 KB Output is correct
18 Correct 47 ms 94408 KB Output is correct
19 Correct 54 ms 94356 KB Output is correct
20 Correct 44 ms 94312 KB Output is correct
21 Correct 51 ms 94368 KB Output is correct
22 Correct 46 ms 94436 KB Output is correct
23 Correct 47 ms 94496 KB Output is correct
24 Correct 54 ms 94360 KB Output is correct
25 Correct 46 ms 94328 KB Output is correct
26 Correct 52 ms 94428 KB Output is correct
27 Correct 54 ms 94296 KB Output is correct
28 Correct 52 ms 94308 KB Output is correct
29 Correct 48 ms 94408 KB Output is correct
30 Correct 48 ms 94356 KB Output is correct
31 Correct 45 ms 94408 KB Output is correct
32 Incorrect 47 ms 94416 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 94368 KB Output is correct
2 Correct 48 ms 94380 KB Output is correct
3 Correct 47 ms 94320 KB Output is correct
4 Correct 47 ms 94288 KB Output is correct
5 Correct 51 ms 94388 KB Output is correct
6 Correct 55 ms 94408 KB Output is correct
7 Correct 50 ms 94380 KB Output is correct
8 Correct 44 ms 94412 KB Output is correct
9 Correct 44 ms 94420 KB Output is correct
10 Correct 45 ms 94352 KB Output is correct
11 Correct 50 ms 94456 KB Output is correct
12 Correct 53 ms 94412 KB Output is correct
13 Correct 45 ms 94380 KB Output is correct
14 Correct 46 ms 94304 KB Output is correct
15 Correct 44 ms 94336 KB Output is correct
16 Correct 47 ms 94420 KB Output is correct
17 Correct 46 ms 94392 KB Output is correct
18 Correct 50 ms 94444 KB Output is correct
19 Incorrect 49 ms 94452 KB Output isn't correct
20 Halted 0 ms 0 KB -