oj.uz

Submission #916468

# Submission time Handle Problem Language Result Execution time Memory
916468 2024-01-26T01:19:46 Z GusterGoose27 Copy and Paste 3 (JOI22_copypaste3) C++17
100 / 100
 577 ms 112304 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 2505;
int n;
int arr[MAXN];
int match[MAXN][MAXN];
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
int a, b, c;
vvi substrings[MAXN]; // at each length, equiv classes at that length
int max_account[MAXN];
ll dp[MAXN][MAXN];
int nxt[MAXN];

int main() {
	ios_base::sync_with_stdio(false); cin.tie(NULL);
	string s; cin >> n >> s >> a >> b >> c;
	for (int i = 0; i < n; i++) arr[i] = s[i]-'a';
	for (int i = n-1; i >= 0; i--) {
		for (int j = i-1; j >= 0; j--) {
			match[i][j] = match[j][i] = (arr[i] == arr[j] ? 1+match[i+1][j+1] : 0);
		}
	}
	for (int i = 0; i < n; i++) {
		vvi cur_matches(n+1, vi({i}));
		for (int j = i+1; j < n; j++) {
			for (int v = max_account[i]+1; v <= match[i][j]; v++)
				cur_matches[v].push_back(j);
			max_account[j] = max(max_account[j], match[i][j]);
		}
		for (int v = 0; v <= n; v++) {
			if (cur_matches[v].size() > 1) {
				sort(cur_matches[v].begin(), cur_matches[v].end());
				substrings[v].push_back(cur_matches[v]);
			}
		}
	}
	for (int i = 0; i < n; i++) {
		for (int j = i; j < n; j++) dp[i][j] = (ll)a*(j-i+1);
	}
	for (int v = 1; v <= n; v++) {
		for (vector<int> p: substrings[v]) {
			ll cur_cost = dp[p[0]][p[0]+v-1]+b;
			int j = p.size();
			for (int i = p.size()-1; i >= 0; i--) {
				while (j && p[j-1] >= p[i]+v) j--;
				nxt[i] = j;
				int e = i;
				int num = 1;
				while (e < p.size()) {
					int l = p[i], r = p[e]+v-1;
					dp[l][r] = min(dp[l][r], (ll)a*(r-l+1-num*v) + cur_cost + (ll)c*num);
					num++;
					e = nxt[e];
				}
			}
		}
		// add expansion
		for (int i = 0; i < n; i++) {
			int j = i+v-1;
			if (j >= n) continue;
			if (j < n-1) dp[i][j+1] = min(dp[i][j+1], dp[i][j]+a);
			if (i) dp[i-1][j] = min(dp[i-1][j], dp[i][j]+a);
		}
	}
	cout << dp[0][n-1] << '\n';
}

Compilation message

copypaste3.cpp: In function 'int main()':
copypaste3.cpp:54:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     while (e < p.size()) {
      |            ~~^~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2516 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 265 ms 73172 KB Output is correct
4 Correct 334 ms 79040 KB Output is correct
5 Correct 398 ms 87796 KB Output is correct
6 Correct 468 ms 97616 KB Output is correct
7 Correct 577 ms 104276 KB Output is correct
8 Correct 564 ms 104192 KB Output is correct
9 Correct 553 ms 104188 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2516 KB Output is correct
12 Correct 1 ms 2512 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2476 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 2408 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2516 KB Output is correct
11 Correct 1 ms 4696 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 2520 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4448 KB Output is correct
24 Correct 1 ms 6488 KB Output is correct
25 Correct 1 ms 6500 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 1 ms 6612 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 2 ms 6752 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 4440 KB Output is correct
39 Correct 1 ms 4724 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2516 KB Output is correct
11 Correct 1 ms 4696 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 2520 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4448 KB Output is correct
24 Correct 1 ms 6488 KB Output is correct
25 Correct 1 ms 6500 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 1 ms 6612 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 2 ms 6752 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 4440 KB Output is correct
39 Correct 1 ms 4724 KB Output is correct
40 Correct 1 ms 4700 KB Output is correct
41 Correct 3 ms 7512 KB Output is correct
42 Correct 3 ms 7516 KB Output is correct
43 Correct 3 ms 8540 KB Output is correct
44 Correct 3 ms 8540 KB Output is correct
45 Correct 3 ms 8540 KB Output is correct
46 Correct 3 ms 8540 KB Output is correct
47 Correct 4 ms 8796 KB Output is correct
48 Correct 4 ms 9052 KB Output is correct
49 Correct 3 ms 8796 KB Output is correct
50 Correct 4 ms 8792 KB Output is correct
51 Correct 4 ms 8796 KB Output is correct
52 Correct 5 ms 8796 KB Output is correct
53 Correct 3 ms 8540 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2516 KB Output is correct
11 Correct 1 ms 4696 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 2520 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4448 KB Output is correct
24 Correct 1 ms 6488 KB Output is correct
25 Correct 1 ms 6500 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 1 ms 6612 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 2 ms 6752 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 4440 KB Output is correct
39 Correct 1 ms 4724 KB Output is correct
40 Correct 1 ms 4700 KB Output is correct
41 Correct 3 ms 7512 KB Output is correct
42 Correct 3 ms 7516 KB Output is correct
43 Correct 3 ms 8540 KB Output is correct
44 Correct 3 ms 8540 KB Output is correct
45 Correct 3 ms 8540 KB Output is correct
46 Correct 3 ms 8540 KB Output is correct
47 Correct 4 ms 8796 KB Output is correct
48 Correct 4 ms 9052 KB Output is correct
49 Correct 3 ms 8796 KB Output is correct
50 Correct 4 ms 8792 KB Output is correct
51 Correct 4 ms 8796 KB Output is correct
52 Correct 5 ms 8796 KB Output is correct
53 Correct 3 ms 8540 KB Output is correct
54 Correct 12 ms 19036 KB Output is correct
55 Correct 59 ms 36944 KB Output is correct
56 Correct 46 ms 32592 KB Output is correct
57 Correct 44 ms 33360 KB Output is correct
58 Correct 43 ms 33340 KB Output is correct
59 Correct 43 ms 33368 KB Output is correct
60 Correct 41 ms 33360 KB Output is correct
61 Correct 74 ms 42220 KB Output is correct
62 Correct 52 ms 36436 KB Output is correct
63 Correct 59 ms 37712 KB Output is correct
64 Correct 56 ms 37008 KB Output is correct
65 Correct 63 ms 39184 KB Output is correct
66 Correct 64 ms 39248 KB Output is correct
67 Correct 41 ms 33360 KB Output is correct

Subtask #6
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2516 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 265 ms 73172 KB Output is correct
14 Correct 334 ms 79040 KB Output is correct
15 Correct 398 ms 87796 KB Output is correct
16 Correct 468 ms 97616 KB Output is correct
17 Correct 577 ms 104276 KB Output is correct
18 Correct 564 ms 104192 KB Output is correct
19 Correct 553 ms 104188 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2516 KB Output is correct
22 Correct 1 ms 2512 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2476 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4440 KB Output is correct
27 Correct 1 ms 2408 KB Output is correct
28 Correct 1 ms 4696 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 2520 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 4440 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4448 KB Output is correct
41 Correct 1 ms 6488 KB Output is correct
42 Correct 1 ms 6500 KB Output is correct
43 Correct 1 ms 6492 KB Output is correct
44 Correct 1 ms 6492 KB Output is correct
45 Correct 1 ms 6612 KB Output is correct
46 Correct 1 ms 6492 KB Output is correct
47 Correct 1 ms 6492 KB Output is correct
48 Correct 1 ms 6492 KB Output is correct
49 Correct 1 ms 6492 KB Output is correct
50 Correct 2 ms 6752 KB Output is correct
51 Correct 1 ms 2396 KB Output is correct
52 Correct 1 ms 2396 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 1 ms 4440 KB Output is correct
56 Correct 1 ms 4724 KB Output is correct
57 Correct 1 ms 4700 KB Output is correct
58 Correct 3 ms 7512 KB Output is correct
59 Correct 3 ms 7516 KB Output is correct
60 Correct 3 ms 8540 KB Output is correct
61 Correct 3 ms 8540 KB Output is correct
62 Correct 3 ms 8540 KB Output is correct
63 Correct 3 ms 8540 KB Output is correct
64 Correct 4 ms 8796 KB Output is correct
65 Correct 4 ms 9052 KB Output is correct
66 Correct 3 ms 8796 KB Output is correct
67 Correct 4 ms 8792 KB Output is correct
68 Correct 4 ms 8796 KB Output is correct
69 Correct 5 ms 8796 KB Output is correct
70 Correct 3 ms 8540 KB Output is correct
71 Correct 12 ms 19036 KB Output is correct
72 Correct 59 ms 36944 KB Output is correct
73 Correct 46 ms 32592 KB Output is correct
74 Correct 44 ms 33360 KB Output is correct
75 Correct 43 ms 33340 KB Output is correct
76 Correct 43 ms 33368 KB Output is correct
77 Correct 41 ms 33360 KB Output is correct
78 Correct 74 ms 42220 KB Output is correct
79 Correct 52 ms 36436 KB Output is correct
80 Correct 59 ms 37712 KB Output is correct
81 Correct 56 ms 37008 KB Output is correct
82 Correct 63 ms 39184 KB Output is correct
83 Correct 64 ms 39248 KB Output is correct
84 Correct 41 ms 33360 KB Output is correct
85 Correct 109 ms 50820 KB Output is correct
86 Correct 312 ms 74488 KB Output is correct
87 Correct 285 ms 74500 KB Output is correct
88 Correct 281 ms 74320 KB Output is correct
89 Correct 341 ms 74324 KB Output is correct
90 Correct 272 ms 74320 KB Output is correct
91 Correct 484 ms 92616 KB Output is correct
92 Correct 485 ms 89680 KB Output is correct
93 Correct 427 ms 111184 KB Output is correct
94 Correct 381 ms 92496 KB Output is correct
95 Correct 550 ms 112224 KB Output is correct
96 Correct 523 ms 112304 KB Output is correct
97 Correct 263 ms 74324 KB Output is correct