답안 #1061827

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1061827	2024-08-16T14:02:42 Z	sleepntsheep	Copy and Paste 3 (JOI22_copypaste3)	C++17	100 / 100	1469 ms	76484 KB

copypaste3

#pragma GCC optimize("O3,unroll-loops")

#include <deque>
#include <string>
#include <iostream>
#include <map>
#include <cstring>
#include <vector>
#include <algorithm>
using namespace std;
using ll = long long;
template <typename T>
using ve = vector<T>;
template <typename T>
using bs = basic_string<T>;

const int N = 2505;
const ll B = 137, M = 1000000007,
      B2 = 141, M2 = 1000000009;

int n, nxt[N][N];
ll dp[N][N], a, b, c;
char s[N];

ll hs[N], bp[N], ibp[N], bp2[N], ibp2[N], hs2[N], x;

ll bpow(ll a, ll b, ll m) {
    if (!b) return 1;
    ll r { bpow(a, b / 2, m) };
    if (b & 1) return r * r % m * a % m;
    return r * r % m;
}

void do_hash() {
    bp[0] = ibp[0] = bp2[0] = ibp2[0] = 1;
    for (int i = 1; i <= n; ++i) bp[i] = bp[i - 1] * B % M, ibp[i] = bpow(bp[i], M - 2, M);
    for (int i = 1; i <= n; ++i) hs[i] = bp[i] * (s[i] - 'a' + 1) % M, hs[i] = (hs[i] + hs[i - 1]) % M;

    for (int i = 1; i <= n; ++i) bp2[i] = bp2[i - 1] * B2 % M2, ibp2[i] = bpow(bp2[i], M2 - 2, M2);
    for (int i = 1; i <= n; ++i) hs2[i] = bp2[i] * (s[i] - 'a' + 1) % M2, hs2[i] = (hs2[i] + hs2[i - 1]) % M2;
}

inline ll get_hash(int l, int r) {
    return (ibp[l] * (hs[r] - hs[l - 1] + M) % M) * (ibp2[l] * (hs2[r] - hs2[l - 1] + M2) % M2);
}

ve<bs<int>> oo;

void init() {
    do_hash();
    memset(dp, 63, sizeof dp);

    for (int i = 1; i <= n; ++i)
        dp[i][i] = a;

    for (int l = 1; l <= n; ++l) {
        map<ll, deque<int>> w;
        for (int i = n - l + 1, j = n; i >= 1; --i, --j) {
            x = get_hash(i, j);
            auto it = lower_bound(w[x].begin(), w[x].end(), i + l);
            if (it == w[x].end()) nxt[i][j] = -1;
            else nxt[i][j] = *it;
            w[x].push_front(i);
        }
    }
}

int main() {
    scanf("%d%s%lld%lld%lld", &n, s + 1, &a, &b, &c);

    init();

    for (int l = 1; l <= n; ++l) {
        for (int i = 1, j = l; j <= n; ++i, ++j) {
            dp[i][j] = min(dp[i][j], dp[i + 1][j] + a);
            dp[i][j] = min(dp[i][j], dp[i][j - 1] + a);
            for (int at = i, cnt = 1; ~at; ++cnt, at = nxt[at][at + l - 1]) {
                int jj = at + l - 1;
                dp[i][jj] = min(dp[i][jj], dp[i][j] + b + cnt * c + (jj - i + 1 - cnt * l) * a);
            }
        }
    }

    printf("%lld", dp[1][n]);
}

Compilation message

copypaste3.cpp: In function 'int main()':
copypaste3.cpp:69:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |     scanf("%d%s%lld%lld%lld", &n, s + 1, &a, &b, &c);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	49756 KB	Output is correct
2	Correct	5 ms	49728 KB	Output is correct
3	Correct	5 ms	49756 KB	Output is correct
4	Correct	6 ms	49756 KB	Output is correct
5	Correct	5 ms	49756 KB	Output is correct
6	Correct	5 ms	49684 KB	Output is correct
7	Correct	6 ms	49756 KB	Output is correct
8	Correct	6 ms	49756 KB	Output is correct
9	Correct	6 ms	49756 KB	Output is correct
10	Correct	6 ms	49732 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	49756 KB	Output is correct
2	Correct	7 ms	49756 KB	Output is correct
3	Correct	109 ms	68188 KB	Output is correct
4	Correct	131 ms	70236 KB	Output is correct
5	Correct	196 ms	72284 KB	Output is correct
6	Correct	223 ms	72284 KB	Output is correct
7	Correct	230 ms	73196 KB	Output is correct
8	Correct	232 ms	73200 KB	Output is correct
9	Correct	252 ms	73204 KB	Output is correct
10	Correct	6 ms	49756 KB	Output is correct
11	Correct	6 ms	49756 KB	Output is correct
12	Correct	5 ms	49696 KB	Output is correct
13	Correct	6 ms	49756 KB	Output is correct
14	Correct	6 ms	49756 KB	Output is correct
15	Correct	6 ms	49756 KB	Output is correct
16	Correct	6 ms	51804 KB	Output is correct
17	Correct	5 ms	49752 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	49756 KB	Output is correct
2	Correct	5 ms	49728 KB	Output is correct
3	Correct	5 ms	49756 KB	Output is correct
4	Correct	6 ms	49756 KB	Output is correct
5	Correct	5 ms	49756 KB	Output is correct
6	Correct	5 ms	49684 KB	Output is correct
7	Correct	6 ms	49756 KB	Output is correct
8	Correct	6 ms	49756 KB	Output is correct
9	Correct	6 ms	49756 KB	Output is correct
10	Correct	6 ms	49732 KB	Output is correct
11	Correct	6 ms	49752 KB	Output is correct
12	Correct	5 ms	49756 KB	Output is correct
13	Correct	6 ms	51800 KB	Output is correct
14	Correct	5 ms	49756 KB	Output is correct
15	Correct	6 ms	51804 KB	Output is correct
16	Correct	6 ms	49756 KB	Output is correct
17	Correct	7 ms	49756 KB	Output is correct
18	Correct	5 ms	49692 KB	Output is correct
19	Correct	5 ms	49708 KB	Output is correct
20	Correct	6 ms	49728 KB	Output is correct
21	Correct	6 ms	51804 KB	Output is correct
22	Correct	6 ms	51804 KB	Output is correct
23	Correct	6 ms	51804 KB	Output is correct
24	Correct	7 ms	51744 KB	Output is correct
25	Correct	6 ms	51804 KB	Output is correct
26	Correct	6 ms	51804 KB	Output is correct
27	Correct	7 ms	51804 KB	Output is correct
28	Correct	6 ms	51804 KB	Output is correct
29	Correct	6 ms	51804 KB	Output is correct
30	Correct	6 ms	51804 KB	Output is correct
31	Correct	5 ms	51804 KB	Output is correct
32	Correct	6 ms	51796 KB	Output is correct
33	Correct	6 ms	51804 KB	Output is correct
34	Correct	5 ms	49696 KB	Output is correct
35	Correct	6 ms	49696 KB	Output is correct
36	Correct	5 ms	49756 KB	Output is correct
37	Correct	5 ms	49756 KB	Output is correct
38	Correct	7 ms	49756 KB	Output is correct
39	Correct	5 ms	51804 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	49756 KB	Output is correct
2	Correct	5 ms	49728 KB	Output is correct
3	Correct	5 ms	49756 KB	Output is correct
4	Correct	6 ms	49756 KB	Output is correct
5	Correct	5 ms	49756 KB	Output is correct
6	Correct	5 ms	49684 KB	Output is correct
7	Correct	6 ms	49756 KB	Output is correct
8	Correct	6 ms	49756 KB	Output is correct
9	Correct	6 ms	49756 KB	Output is correct
10	Correct	6 ms	49732 KB	Output is correct
11	Correct	6 ms	49752 KB	Output is correct
12	Correct	5 ms	49756 KB	Output is correct
13	Correct	6 ms	51800 KB	Output is correct
14	Correct	5 ms	49756 KB	Output is correct
15	Correct	6 ms	51804 KB	Output is correct
16	Correct	6 ms	49756 KB	Output is correct
17	Correct	7 ms	49756 KB	Output is correct
18	Correct	5 ms	49692 KB	Output is correct
19	Correct	5 ms	49708 KB	Output is correct
20	Correct	6 ms	49728 KB	Output is correct
21	Correct	6 ms	51804 KB	Output is correct
22	Correct	6 ms	51804 KB	Output is correct
23	Correct	6 ms	51804 KB	Output is correct
24	Correct	7 ms	51744 KB	Output is correct
25	Correct	6 ms	51804 KB	Output is correct
26	Correct	6 ms	51804 KB	Output is correct
27	Correct	7 ms	51804 KB	Output is correct
28	Correct	6 ms	51804 KB	Output is correct
29	Correct	6 ms	51804 KB	Output is correct
30	Correct	6 ms	51804 KB	Output is correct
31	Correct	5 ms	51804 KB	Output is correct
32	Correct	6 ms	51796 KB	Output is correct
33	Correct	6 ms	51804 KB	Output is correct
34	Correct	5 ms	49696 KB	Output is correct
35	Correct	6 ms	49696 KB	Output is correct
36	Correct	5 ms	49756 KB	Output is correct
37	Correct	5 ms	49756 KB	Output is correct
38	Correct	7 ms	49756 KB	Output is correct
39	Correct	5 ms	51804 KB	Output is correct
40	Correct	8 ms	51804 KB	Output is correct
41	Correct	6 ms	51804 KB	Output is correct
42	Correct	10 ms	51804 KB	Output is correct
43	Correct	11 ms	52056 KB	Output is correct
44	Correct	11 ms	52060 KB	Output is correct
45	Correct	11 ms	52020 KB	Output is correct
46	Correct	11 ms	52064 KB	Output is correct
47	Correct	7 ms	51804 KB	Output is correct
48	Correct	14 ms	51804 KB	Output is correct
49	Correct	14 ms	51804 KB	Output is correct
50	Correct	11 ms	51888 KB	Output is correct
51	Correct	10 ms	51804 KB	Output is correct
52	Correct	11 ms	51804 KB	Output is correct
53	Correct	10 ms	52056 KB	Output is correct

Subtask #5
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	49756 KB	Output is correct
2	Correct	5 ms	49728 KB	Output is correct
3	Correct	5 ms	49756 KB	Output is correct
4	Correct	6 ms	49756 KB	Output is correct
5	Correct	5 ms	49756 KB	Output is correct
6	Correct	5 ms	49684 KB	Output is correct
7	Correct	6 ms	49756 KB	Output is correct
8	Correct	6 ms	49756 KB	Output is correct
9	Correct	6 ms	49756 KB	Output is correct
10	Correct	6 ms	49732 KB	Output is correct
11	Correct	6 ms	49752 KB	Output is correct
12	Correct	5 ms	49756 KB	Output is correct
13	Correct	6 ms	51800 KB	Output is correct
14	Correct	5 ms	49756 KB	Output is correct
15	Correct	6 ms	51804 KB	Output is correct
16	Correct	6 ms	49756 KB	Output is correct
17	Correct	7 ms	49756 KB	Output is correct
18	Correct	5 ms	49692 KB	Output is correct
19	Correct	5 ms	49708 KB	Output is correct
20	Correct	6 ms	49728 KB	Output is correct
21	Correct	6 ms	51804 KB	Output is correct
22	Correct	6 ms	51804 KB	Output is correct
23	Correct	6 ms	51804 KB	Output is correct
24	Correct	7 ms	51744 KB	Output is correct
25	Correct	6 ms	51804 KB	Output is correct
26	Correct	6 ms	51804 KB	Output is correct
27	Correct	7 ms	51804 KB	Output is correct
28	Correct	6 ms	51804 KB	Output is correct
29	Correct	6 ms	51804 KB	Output is correct
30	Correct	6 ms	51804 KB	Output is correct
31	Correct	5 ms	51804 KB	Output is correct
32	Correct	6 ms	51796 KB	Output is correct
33	Correct	6 ms	51804 KB	Output is correct
34	Correct	5 ms	49696 KB	Output is correct
35	Correct	6 ms	49696 KB	Output is correct
36	Correct	5 ms	49756 KB	Output is correct
37	Correct	5 ms	49756 KB	Output is correct
38	Correct	7 ms	49756 KB	Output is correct
39	Correct	5 ms	51804 KB	Output is correct
40	Correct	8 ms	51804 KB	Output is correct
41	Correct	6 ms	51804 KB	Output is correct
42	Correct	10 ms	51804 KB	Output is correct
43	Correct	11 ms	52056 KB	Output is correct
44	Correct	11 ms	52060 KB	Output is correct
45	Correct	11 ms	52020 KB	Output is correct
46	Correct	11 ms	52064 KB	Output is correct
47	Correct	7 ms	51804 KB	Output is correct
48	Correct	14 ms	51804 KB	Output is correct
49	Correct	14 ms	51804 KB	Output is correct
50	Correct	11 ms	51888 KB	Output is correct
51	Correct	10 ms	51804 KB	Output is correct
52	Correct	11 ms	51804 KB	Output is correct
53	Correct	10 ms	52056 KB	Output is correct
54	Correct	34 ms	56472 KB	Output is correct
55	Correct	35 ms	59992 KB	Output is correct
56	Correct	183 ms	61272 KB	Output is correct
57	Correct	181 ms	61276 KB	Output is correct
58	Correct	180 ms	61280 KB	Output is correct
59	Correct	195 ms	61276 KB	Output is correct
60	Correct	214 ms	61272 KB	Output is correct
61	Correct	119 ms	60352 KB	Output is correct
62	Correct	32 ms	59992 KB	Output is correct
63	Correct	160 ms	60752 KB	Output is correct
64	Correct	164 ms	60904 KB	Output is correct
65	Correct	117 ms	60420 KB	Output is correct
66	Correct	120 ms	60340 KB	Output is correct
67	Correct	175 ms	61272 KB	Output is correct

Subtask #6
38.0 / 38.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	49756 KB	Output is correct
2	Correct	5 ms	49728 KB	Output is correct
3	Correct	5 ms	49756 KB	Output is correct
4	Correct	6 ms	49756 KB	Output is correct
5	Correct	5 ms	49756 KB	Output is correct
6	Correct	5 ms	49684 KB	Output is correct
7	Correct	6 ms	49756 KB	Output is correct
8	Correct	6 ms	49756 KB	Output is correct
9	Correct	6 ms	49756 KB	Output is correct
10	Correct	6 ms	49732 KB	Output is correct
11	Correct	6 ms	49756 KB	Output is correct
12	Correct	7 ms	49756 KB	Output is correct
13	Correct	109 ms	68188 KB	Output is correct
14	Correct	131 ms	70236 KB	Output is correct
15	Correct	196 ms	72284 KB	Output is correct
16	Correct	223 ms	72284 KB	Output is correct
17	Correct	230 ms	73196 KB	Output is correct
18	Correct	232 ms	73200 KB	Output is correct
19	Correct	252 ms	73204 KB	Output is correct
20	Correct	6 ms	49756 KB	Output is correct
21	Correct	6 ms	49756 KB	Output is correct
22	Correct	5 ms	49696 KB	Output is correct
23	Correct	6 ms	49756 KB	Output is correct
24	Correct	6 ms	49756 KB	Output is correct
25	Correct	6 ms	49756 KB	Output is correct
26	Correct	6 ms	51804 KB	Output is correct
27	Correct	5 ms	49752 KB	Output is correct
28	Correct	6 ms	49752 KB	Output is correct
29	Correct	5 ms	49756 KB	Output is correct
30	Correct	6 ms	51800 KB	Output is correct
31	Correct	5 ms	49756 KB	Output is correct
32	Correct	6 ms	51804 KB	Output is correct
33	Correct	6 ms	49756 KB	Output is correct
34	Correct	7 ms	49756 KB	Output is correct
35	Correct	5 ms	49692 KB	Output is correct
36	Correct	5 ms	49708 KB	Output is correct
37	Correct	6 ms	49728 KB	Output is correct
38	Correct	6 ms	51804 KB	Output is correct
39	Correct	6 ms	51804 KB	Output is correct
40	Correct	6 ms	51804 KB	Output is correct
41	Correct	7 ms	51744 KB	Output is correct
42	Correct	6 ms	51804 KB	Output is correct
43	Correct	6 ms	51804 KB	Output is correct
44	Correct	7 ms	51804 KB	Output is correct
45	Correct	6 ms	51804 KB	Output is correct
46	Correct	6 ms	51804 KB	Output is correct
47	Correct	6 ms	51804 KB	Output is correct
48	Correct	5 ms	51804 KB	Output is correct
49	Correct	6 ms	51796 KB	Output is correct
50	Correct	6 ms	51804 KB	Output is correct
51	Correct	5 ms	49696 KB	Output is correct
52	Correct	6 ms	49696 KB	Output is correct
53	Correct	5 ms	49756 KB	Output is correct
54	Correct	5 ms	49756 KB	Output is correct
55	Correct	7 ms	49756 KB	Output is correct
56	Correct	5 ms	51804 KB	Output is correct
57	Correct	8 ms	51804 KB	Output is correct
58	Correct	6 ms	51804 KB	Output is correct
59	Correct	10 ms	51804 KB	Output is correct
60	Correct	11 ms	52056 KB	Output is correct
61	Correct	11 ms	52060 KB	Output is correct
62	Correct	11 ms	52020 KB	Output is correct
63	Correct	11 ms	52064 KB	Output is correct
64	Correct	7 ms	51804 KB	Output is correct
65	Correct	14 ms	51804 KB	Output is correct
66	Correct	14 ms	51804 KB	Output is correct
67	Correct	11 ms	51888 KB	Output is correct
68	Correct	10 ms	51804 KB	Output is correct
69	Correct	11 ms	51804 KB	Output is correct
70	Correct	10 ms	52056 KB	Output is correct
71	Correct	34 ms	56472 KB	Output is correct
72	Correct	35 ms	59992 KB	Output is correct
73	Correct	183 ms	61272 KB	Output is correct
74	Correct	181 ms	61276 KB	Output is correct
75	Correct	180 ms	61280 KB	Output is correct
76	Correct	195 ms	61276 KB	Output is correct
77	Correct	214 ms	61272 KB	Output is correct
78	Correct	119 ms	60352 KB	Output is correct
79	Correct	32 ms	59992 KB	Output is correct
80	Correct	160 ms	60752 KB	Output is correct
81	Correct	164 ms	60904 KB	Output is correct
82	Correct	117 ms	60420 KB	Output is correct
83	Correct	120 ms	60340 KB	Output is correct
84	Correct	175 ms	61272 KB	Output is correct
85	Correct	502 ms	68116 KB	Output is correct
86	Correct	1396 ms	76304 KB	Output is correct
87	Correct	1469 ms	76228 KB	Output is correct
88	Correct	1355 ms	76268 KB	Output is correct
89	Correct	1419 ms	76484 KB	Output is correct
90	Correct	1352 ms	76276 KB	Output is correct
91	Correct	297 ms	73272 KB	Output is correct
92	Correct	203 ms	73052 KB	Output is correct
93	Correct	1104 ms	74636 KB	Output is correct
94	Correct	1170 ms	75172 KB	Output is correct
95	Correct	960 ms	74252 KB	Output is correct
96	Correct	892 ms	74420 KB	Output is correct
97	Correct	1349 ms	76272 KB	Output is correct

답안 #1061827

Compilation message

Subtask #1 1.0 / 1.0

Subtask #2 5.0 / 5.0

Subtask #3 14.0 / 14.0

Subtask #4 10.0 / 10.0

Subtask #5 32.0 / 32.0

Subtask #6 38.0 / 38.0

Subtask #1
1.0 / 1.0

Subtask #2
5.0 / 5.0

Subtask #3
14.0 / 14.0

Subtask #4
10.0 / 10.0

Subtask #5
32.0 / 32.0

Subtask #6
38.0 / 38.0