oj.uz

Submission #757288

# Submission time Handle Problem Language Result Execution time Memory
757288 2023-06-13T02:04:13 Z maomao90 Tortoise (CEOI21_tortoise) C++17
48 / 100
 3000 ms 392652 KB 
// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h> 
using namespace std;

#define REP(i, s, e) for (int i = (s); i < (e); i++)
#define RREP(i, s, e) for (int i = (s); i >= (e); i--)
template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define SZ(_a) (int) _a.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;

#ifndef DEBUG
#define cerr if (0) cerr
#endif

const int INF = 1000000005;
const ll LINF = 1000000000000000005ll;
const int MAXN = 5005;

int n;
int a[MAXN];
int lft[MAXN], rht[MAXN];
int dp[MAXN][MAXN * 4];
int ans;

int main() {
#ifndef DEBUG
    ios::sync_with_stdio(0), cin.tie(0);
#endif
    cin >> n;
    ll sm = 0;
    REP (i, 0, n) {
        cin >> a[i];
        sm += max(0, a[i]);
    }
    REP (i, 0, n) {
        if (a[i] == -1) {
            lft[i] = i;
        } else {
            lft[i] = i == 0 ? -INF : lft[i - 1];
        }
    }
    rht[n] = INF;
    RREP (i, n - 1, 0) {
        if (a[i] == -1) {
            rht[i] = i;
        } else {
            rht[i] = rht[i + 1];
        }
    }
    REP (i, 0, MAXN) {
        REP (j, 0, MAXN * 4) {
            dp[i][j] = -INF;
        }
    }
    dp[0][0] = 0;
    REP (i, 0, n) {
        REP (j, 0, n * 2 + 1) {
            mxto(dp[i + 1][j + 1], dp[i][j]);
            if (a[i] <= 0) {
                continue;
            }
            // j + near * 2 * (k - 1) <= i * 2
            // j + near * 2 * k - near * 2 <= i * 2
            // k <= (i * 2 + near * 2 - j) / near * 2
            int near = min(i - lft[i], rht[i] - i);
            int mk = min(a[i], (i * 2 + near * 2 - j) / (near * 2));
            REP (k, 1, mk + 1) {
                ll nj = j + (ll) near * 2 * (k - 1);
                mxto(ans, dp[i][j] + k);
                if (lft[i] != -INF) {
                    mxto(dp[i + 1][nj + i - lft[i] + i + 1 - lft[i]],
                            dp[i][j] + k);
                }
                if (rht[i] != INF) {
                    RREP (l, rht[i], i + 1) {
                        mxto(dp[l][nj + rht[i] - i + rht[i] - l], dp[i][j] + k);
                    }
                }
            }
        }
    }
    cout << sm - ans << '\n';
    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 178 ms 392440 KB Output is correct
2 Correct 174 ms 392416 KB Output is correct
3 Correct 197 ms 392420 KB Output is correct
4 Correct 177 ms 392592 KB Output is correct
5 Correct 183 ms 392524 KB Output is correct
6 Correct 176 ms 392396 KB Output is correct
7 Correct 175 ms 392384 KB Output is correct
8 Correct 181 ms 392416 KB Output is correct
9 Correct 179 ms 392464 KB Output is correct
10 Correct 172 ms 392568 KB Output is correct
11 Correct 179 ms 392380 KB Output is correct
12 Correct 177 ms 392420 KB Output is correct
13 Correct 179 ms 392532 KB Output is correct
14 Correct 179 ms 392428 KB Output is correct
15 Correct 180 ms 392452 KB Output is correct
16 Correct 179 ms 392568 KB Output is correct
17 Correct 178 ms 392408 KB Output is correct
18 Correct 177 ms 392456 KB Output is correct
19 Correct 182 ms 392396 KB Output is correct
20 Correct 174 ms 392420 KB Output is correct
21 Correct 176 ms 392384 KB Output is correct
22 Correct 196 ms 392412 KB Output is correct
23 Correct 176 ms 392388 KB Output is correct
24 Correct 177 ms 392388 KB Output is correct
25 Correct 177 ms 392412 KB Output is correct
26 Correct 181 ms 392492 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 178 ms 392440 KB Output is correct
2 Correct 174 ms 392416 KB Output is correct
3 Correct 197 ms 392420 KB Output is correct
4 Correct 177 ms 392592 KB Output is correct
5 Correct 183 ms 392524 KB Output is correct
6 Correct 176 ms 392396 KB Output is correct
7 Correct 175 ms 392384 KB Output is correct
8 Correct 181 ms 392416 KB Output is correct
9 Correct 179 ms 392464 KB Output is correct
10 Correct 172 ms 392568 KB Output is correct
11 Correct 179 ms 392380 KB Output is correct
12 Correct 177 ms 392420 KB Output is correct
13 Correct 179 ms 392532 KB Output is correct
14 Correct 179 ms 392428 KB Output is correct
15 Correct 180 ms 392452 KB Output is correct
16 Correct 179 ms 392568 KB Output is correct
17 Correct 178 ms 392408 KB Output is correct
18 Correct 177 ms 392456 KB Output is correct
19 Correct 182 ms 392396 KB Output is correct
20 Correct 174 ms 392420 KB Output is correct
21 Correct 176 ms 392384 KB Output is correct
22 Correct 196 ms 392412 KB Output is correct
23 Correct 176 ms 392388 KB Output is correct
24 Correct 177 ms 392388 KB Output is correct
25 Correct 177 ms 392412 KB Output is correct
26 Correct 181 ms 392492 KB Output is correct
27 Correct 181 ms 392404 KB Output is correct
28 Correct 179 ms 392416 KB Output is correct
29 Correct 176 ms 392524 KB Output is correct
30 Correct 179 ms 392440 KB Output is correct
31 Correct 178 ms 392468 KB Output is correct
32 Correct 179 ms 392400 KB Output is correct
33 Correct 182 ms 392428 KB Output is correct
34 Correct 180 ms 392488 KB Output is correct
35 Correct 180 ms 392492 KB Output is correct
36 Correct 177 ms 392384 KB Output is correct
37 Correct 178 ms 392472 KB Output is correct
38 Correct 187 ms 392500 KB Output is correct
39 Correct 205 ms 392556 KB Output is correct
40 Correct 181 ms 392432 KB Output is correct
41 Correct 174 ms 392436 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 178 ms 392440 KB Output is correct
2 Correct 174 ms 392416 KB Output is correct
3 Correct 197 ms 392420 KB Output is correct
4 Correct 177 ms 392592 KB Output is correct
5 Correct 183 ms 392524 KB Output is correct
6 Correct 176 ms 392396 KB Output is correct
7 Correct 175 ms 392384 KB Output is correct
8 Correct 181 ms 392416 KB Output is correct
9 Correct 179 ms 392464 KB Output is correct
10 Correct 172 ms 392568 KB Output is correct
11 Correct 179 ms 392380 KB Output is correct
12 Correct 177 ms 392420 KB Output is correct
13 Correct 179 ms 392532 KB Output is correct
14 Correct 179 ms 392428 KB Output is correct
15 Correct 180 ms 392452 KB Output is correct
16 Correct 179 ms 392568 KB Output is correct
17 Correct 178 ms 392408 KB Output is correct
18 Correct 177 ms 392456 KB Output is correct
19 Correct 182 ms 392396 KB Output is correct
20 Correct 174 ms 392420 KB Output is correct
21 Correct 176 ms 392384 KB Output is correct
22 Correct 196 ms 392412 KB Output is correct
23 Correct 176 ms 392388 KB Output is correct
24 Correct 177 ms 392388 KB Output is correct
25 Correct 177 ms 392412 KB Output is correct
26 Correct 181 ms 392492 KB Output is correct
27 Correct 181 ms 392404 KB Output is correct
28 Correct 179 ms 392416 KB Output is correct
29 Correct 176 ms 392524 KB Output is correct
30 Correct 179 ms 392440 KB Output is correct
31 Correct 178 ms 392468 KB Output is correct
32 Correct 179 ms 392400 KB Output is correct
33 Correct 182 ms 392428 KB Output is correct
34 Correct 180 ms 392488 KB Output is correct
35 Correct 180 ms 392492 KB Output is correct
36 Correct 177 ms 392384 KB Output is correct
37 Correct 178 ms 392472 KB Output is correct
38 Correct 187 ms 392500 KB Output is correct
39 Correct 205 ms 392556 KB Output is correct
40 Correct 181 ms 392432 KB Output is correct
41 Correct 174 ms 392436 KB Output is correct
42 Correct 180 ms 392460 KB Output is correct
43 Correct 181 ms 392588 KB Output is correct
44 Correct 175 ms 392448 KB Output is correct
45 Correct 175 ms 392500 KB Output is correct
46 Correct 185 ms 392488 KB Output is correct
47 Correct 180 ms 392524 KB Output is correct
48 Correct 181 ms 392528 KB Output is correct
49 Correct 183 ms 392428 KB Output is correct
50 Correct 184 ms 392500 KB Output is correct
51 Correct 186 ms 392440 KB Output is correct
52 Correct 179 ms 392592 KB Output is correct
53 Correct 206 ms 392464 KB Output is correct
54 Correct 196 ms 392396 KB Output is correct
55 Correct 199 ms 392464 KB Output is correct
56 Correct 175 ms 392396 KB Output is correct
57 Correct 197 ms 392380 KB Output is correct
58 Correct 180 ms 392396 KB Output is correct
59 Correct 182 ms 392484 KB Output is correct
60 Correct 195 ms 392476 KB Output is correct
61 Correct 181 ms 392456 KB Output is correct
62 Correct 180 ms 392432 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 178 ms 392440 KB Output is correct
2 Correct 174 ms 392416 KB Output is correct
3 Correct 197 ms 392420 KB Output is correct
4 Correct 177 ms 392592 KB Output is correct
5 Correct 183 ms 392524 KB Output is correct
6 Correct 176 ms 392396 KB Output is correct
7 Correct 175 ms 392384 KB Output is correct
8 Correct 181 ms 392416 KB Output is correct
9 Correct 179 ms 392464 KB Output is correct
10 Correct 172 ms 392568 KB Output is correct
11 Correct 179 ms 392380 KB Output is correct
12 Correct 177 ms 392420 KB Output is correct
13 Correct 179 ms 392532 KB Output is correct
14 Correct 179 ms 392428 KB Output is correct
15 Correct 180 ms 392452 KB Output is correct
16 Correct 179 ms 392568 KB Output is correct
17 Correct 178 ms 392408 KB Output is correct
18 Correct 177 ms 392456 KB Output is correct
19 Correct 182 ms 392396 KB Output is correct
20 Correct 174 ms 392420 KB Output is correct
21 Correct 176 ms 392384 KB Output is correct
22 Correct 196 ms 392412 KB Output is correct
23 Correct 176 ms 392388 KB Output is correct
24 Correct 177 ms 392388 KB Output is correct
25 Correct 177 ms 392412 KB Output is correct
26 Correct 181 ms 392492 KB Output is correct
27 Correct 181 ms 392404 KB Output is correct
28 Correct 179 ms 392416 KB Output is correct
29 Correct 176 ms 392524 KB Output is correct
30 Correct 179 ms 392440 KB Output is correct
31 Correct 178 ms 392468 KB Output is correct
32 Correct 179 ms 392400 KB Output is correct
33 Correct 182 ms 392428 KB Output is correct
34 Correct 180 ms 392488 KB Output is correct
35 Correct 180 ms 392492 KB Output is correct
36 Correct 177 ms 392384 KB Output is correct
37 Correct 178 ms 392472 KB Output is correct
38 Correct 187 ms 392500 KB Output is correct
39 Correct 205 ms 392556 KB Output is correct
40 Correct 181 ms 392432 KB Output is correct
41 Correct 174 ms 392436 KB Output is correct
42 Correct 180 ms 392460 KB Output is correct
43 Correct 181 ms 392588 KB Output is correct
44 Correct 175 ms 392448 KB Output is correct
45 Correct 175 ms 392500 KB Output is correct
46 Correct 185 ms 392488 KB Output is correct
47 Correct 180 ms 392524 KB Output is correct
48 Correct 181 ms 392528 KB Output is correct
49 Correct 183 ms 392428 KB Output is correct
50 Correct 184 ms 392500 KB Output is correct
51 Correct 186 ms 392440 KB Output is correct
52 Correct 179 ms 392592 KB Output is correct
53 Correct 206 ms 392464 KB Output is correct
54 Correct 196 ms 392396 KB Output is correct
55 Correct 199 ms 392464 KB Output is correct
56 Correct 175 ms 392396 KB Output is correct
57 Correct 197 ms 392380 KB Output is correct
58 Correct 180 ms 392396 KB Output is correct
59 Correct 182 ms 392484 KB Output is correct
60 Correct 195 ms 392476 KB Output is correct
61 Correct 181 ms 392456 KB Output is correct
62 Correct 180 ms 392432 KB Output is correct
63 Correct 416 ms 392524 KB Output is correct
64 Correct 954 ms 392652 KB Output is correct
65 Correct 496 ms 392584 KB Output is correct
66 Correct 571 ms 392548 KB Output is correct
67 Correct 940 ms 392552 KB Output is correct
68 Correct 497 ms 392452 KB Output is correct
69 Correct 574 ms 392632 KB Output is correct
70 Correct 742 ms 392544 KB Output is correct
71 Execution timed out 3082 ms 392480 KB Time limit exceeded
72 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 178 ms 392440 KB Output is correct
2 Correct 174 ms 392416 KB Output is correct
3 Correct 197 ms 392420 KB Output is correct
4 Correct 177 ms 392592 KB Output is correct
5 Correct 183 ms 392524 KB Output is correct
6 Correct 176 ms 392396 KB Output is correct
7 Correct 175 ms 392384 KB Output is correct
8 Correct 181 ms 392416 KB Output is correct
9 Correct 179 ms 392464 KB Output is correct
10 Correct 172 ms 392568 KB Output is correct
11 Correct 179 ms 392380 KB Output is correct
12 Correct 177 ms 392420 KB Output is correct
13 Correct 179 ms 392532 KB Output is correct
14 Correct 179 ms 392428 KB Output is correct
15 Correct 180 ms 392452 KB Output is correct
16 Correct 179 ms 392568 KB Output is correct
17 Correct 178 ms 392408 KB Output is correct
18 Correct 177 ms 392456 KB Output is correct
19 Correct 182 ms 392396 KB Output is correct
20 Correct 174 ms 392420 KB Output is correct
21 Correct 176 ms 392384 KB Output is correct
22 Correct 196 ms 392412 KB Output is correct
23 Correct 176 ms 392388 KB Output is correct
24 Correct 177 ms 392388 KB Output is correct
25 Correct 177 ms 392412 KB Output is correct
26 Correct 181 ms 392492 KB Output is correct
27 Correct 181 ms 392404 KB Output is correct
28 Correct 179 ms 392416 KB Output is correct
29 Correct 176 ms 392524 KB Output is correct
30 Correct 179 ms 392440 KB Output is correct
31 Correct 178 ms 392468 KB Output is correct
32 Correct 179 ms 392400 KB Output is correct
33 Correct 182 ms 392428 KB Output is correct
34 Correct 180 ms 392488 KB Output is correct
35 Correct 180 ms 392492 KB Output is correct
36 Correct 177 ms 392384 KB Output is correct
37 Correct 178 ms 392472 KB Output is correct
38 Correct 187 ms 392500 KB Output is correct
39 Correct 205 ms 392556 KB Output is correct
40 Correct 181 ms 392432 KB Output is correct
41 Correct 174 ms 392436 KB Output is correct
42 Correct 180 ms 392460 KB Output is correct
43 Correct 181 ms 392588 KB Output is correct
44 Correct 175 ms 392448 KB Output is correct
45 Correct 175 ms 392500 KB Output is correct
46 Correct 185 ms 392488 KB Output is correct
47 Correct 180 ms 392524 KB Output is correct
48 Correct 181 ms 392528 KB Output is correct
49 Correct 183 ms 392428 KB Output is correct
50 Correct 184 ms 392500 KB Output is correct
51 Correct 186 ms 392440 KB Output is correct
52 Correct 179 ms 392592 KB Output is correct
53 Correct 206 ms 392464 KB Output is correct
54 Correct 196 ms 392396 KB Output is correct
55 Correct 199 ms 392464 KB Output is correct
56 Correct 175 ms 392396 KB Output is correct
57 Correct 197 ms 392380 KB Output is correct
58 Correct 180 ms 392396 KB Output is correct
59 Correct 182 ms 392484 KB Output is correct
60 Correct 195 ms 392476 KB Output is correct
61 Correct 181 ms 392456 KB Output is correct
62 Correct 180 ms 392432 KB Output is correct
63 Correct 416 ms 392524 KB Output is correct
64 Correct 954 ms 392652 KB Output is correct
65 Correct 496 ms 392584 KB Output is correct
66 Correct 571 ms 392548 KB Output is correct
67 Correct 940 ms 392552 KB Output is correct
68 Correct 497 ms 392452 KB Output is correct
69 Correct 574 ms 392632 KB Output is correct
70 Correct 742 ms 392544 KB Output is correct
71 Execution timed out 3082 ms 392480 KB Time limit exceeded
72 Halted 0 ms 0 KB -