답안 #720512

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
720512	2023-04-08T11:32:42 Z	Abrar_Al_Samit	Copy and Paste 3 (JOI22_copypaste3)	C++17	57 / 100	85 ms	16400 KB

copypaste3

#include<bits/stdc++.h>
using namespace std;

const int nax = 1002;
const long long INF = 1e18;
const int P = 31;
const int M = 1e9 + 9;

int n;
string s;
long long A, B, C;
long long dp[nax][nax];
long long hv[nax];
long long pw[nax];
int nxt[nax];

int get(int l, int r) {
	long long ret = hv[r] - hv[l-1];
	if(ret<0) ret += M;
	ret = (ret * pw[n-r]) % M;
	return ret;
}
void PlayGround() {
	cin>>n>>s>>A>>B>>C;

	s = '@' + s;

	pw[0] = 1;
	for(int i=1; i<=n; ++i) {
		pw[i] = (pw[i-1] * P) % M;
		hv[i] = (pw[i] * (s[i]-'a'+1)) + hv[i-1];
		hv[i] %= M;
	}

	for(int i=1; i<=n; ++i) {
		for(int j=1; j<=n; ++j) {
			dp[i][j] = INF;
		}
		dp[i][i] = A;
	}

	for(int un=1; un<=n; ++un) {
		memset(nxt, -1, sizeof nxt);
		unordered_map<int, vector<int>>app;
		for(int i=1; i+un-1<=n; ++i) if(un>1) {
			dp[i][i+un-1] = min(dp[i][i+un-1], min(dp[i+1][i+un-1], dp[i][i+un-2]) + A);
		}
		for(int i=n-un+1; i>0; --i) { // not optimal
			int crval = get(i, i+un-1);
			app[crval].push_back(i);

			if(app[crval][0]<=i+un-1) {
				nxt[i] = -1;
				continue;
			}

			int lo = 0, hi = app[crval].size()-1;
			while(lo<hi) {
				int mid = (lo+hi+1)/2;
				if(app[crval][mid]>i+un-1) lo = mid;
				else hi = mid-1;
			}
			nxt[i] = app[crval][lo];
		}

		for(int i=1; i<=n; ++i) {
			for(int j=nxt[i], cnt=2; j!=-1; j=nxt[j], ++cnt) {
				dp[i][j+un-1] = min(dp[i][j+un-1], 
					dp[i][i+un-1]+B+cnt*C + (j+un-1-i+1 - cnt*un) * A);
			}
		}
	}
	cout<<dp[1][n]<<'\n';
	// cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
}
int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	PlayGround();
	return 0;
}

Subtask #1
1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	320 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct

Subtask #2
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Runtime error	11 ms	16400 KB	Execution killed with signal 11
4	Halted	0 ms	0 KB	-

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	320 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	328 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	456 KB	Output is correct
22	Correct	1 ms	468 KB	Output is correct
23	Correct	1 ms	460 KB	Output is correct
24	Correct	1 ms	468 KB	Output is correct
25	Correct	1 ms	468 KB	Output is correct
26	Correct	1 ms	460 KB	Output is correct
27	Correct	1 ms	468 KB	Output is correct
28	Correct	1 ms	468 KB	Output is correct
29	Correct	1 ms	468 KB	Output is correct
30	Correct	1 ms	468 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	452 KB	Output is correct
33	Correct	1 ms	452 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	0 ms	340 KB	Output is correct
37	Correct	0 ms	340 KB	Output is correct
38	Correct	0 ms	324 KB	Output is correct
39	Correct	1 ms	468 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	320 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	328 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	456 KB	Output is correct
22	Correct	1 ms	468 KB	Output is correct
23	Correct	1 ms	460 KB	Output is correct
24	Correct	1 ms	468 KB	Output is correct
25	Correct	1 ms	468 KB	Output is correct
26	Correct	1 ms	460 KB	Output is correct
27	Correct	1 ms	468 KB	Output is correct
28	Correct	1 ms	468 KB	Output is correct
29	Correct	1 ms	468 KB	Output is correct
30	Correct	1 ms	468 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	452 KB	Output is correct
33	Correct	1 ms	452 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	0 ms	340 KB	Output is correct
37	Correct	0 ms	340 KB	Output is correct
38	Correct	0 ms	324 KB	Output is correct
39	Correct	1 ms	468 KB	Output is correct
40	Correct	1 ms	704 KB	Output is correct
41	Correct	4 ms	1352 KB	Output is correct
42	Correct	4 ms	1480 KB	Output is correct
43	Correct	4 ms	1364 KB	Output is correct
44	Correct	4 ms	1364 KB	Output is correct
45	Correct	4 ms	1484 KB	Output is correct
46	Correct	4 ms	1392 KB	Output is correct
47	Correct	3 ms	1364 KB	Output is correct
48	Correct	3 ms	1364 KB	Output is correct
49	Correct	4 ms	1352 KB	Output is correct
50	Correct	3 ms	1352 KB	Output is correct
51	Correct	4 ms	1348 KB	Output is correct
52	Correct	3 ms	1464 KB	Output is correct
53	Correct	4 ms	1364 KB	Output is correct

Subtask #5
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	320 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	328 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	456 KB	Output is correct
22	Correct	1 ms	468 KB	Output is correct
23	Correct	1 ms	460 KB	Output is correct
24	Correct	1 ms	468 KB	Output is correct
25	Correct	1 ms	468 KB	Output is correct
26	Correct	1 ms	460 KB	Output is correct
27	Correct	1 ms	468 KB	Output is correct
28	Correct	1 ms	468 KB	Output is correct
29	Correct	1 ms	468 KB	Output is correct
30	Correct	1 ms	468 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	452 KB	Output is correct
33	Correct	1 ms	452 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	0 ms	340 KB	Output is correct
37	Correct	0 ms	340 KB	Output is correct
38	Correct	0 ms	324 KB	Output is correct
39	Correct	1 ms	468 KB	Output is correct
40	Correct	1 ms	704 KB	Output is correct
41	Correct	4 ms	1352 KB	Output is correct
42	Correct	4 ms	1480 KB	Output is correct
43	Correct	4 ms	1364 KB	Output is correct
44	Correct	4 ms	1364 KB	Output is correct
45	Correct	4 ms	1484 KB	Output is correct
46	Correct	4 ms	1392 KB	Output is correct
47	Correct	3 ms	1364 KB	Output is correct
48	Correct	3 ms	1364 KB	Output is correct
49	Correct	4 ms	1352 KB	Output is correct
50	Correct	3 ms	1352 KB	Output is correct
51	Correct	4 ms	1348 KB	Output is correct
52	Correct	3 ms	1464 KB	Output is correct
53	Correct	4 ms	1364 KB	Output is correct
54	Correct	17 ms	3740 KB	Output is correct
55	Correct	75 ms	8136 KB	Output is correct
56	Correct	85 ms	8276 KB	Output is correct
57	Correct	84 ms	8304 KB	Output is correct
58	Correct	81 ms	8280 KB	Output is correct
59	Correct	80 ms	8304 KB	Output is correct
60	Correct	82 ms	8276 KB	Output is correct
61	Correct	63 ms	8204 KB	Output is correct
62	Correct	67 ms	8192 KB	Output is correct
63	Correct	78 ms	8240 KB	Output is correct
64	Correct	83 ms	8364 KB	Output is correct
65	Correct	78 ms	8132 KB	Output is correct
66	Correct	74 ms	8148 KB	Output is correct
67	Correct	81 ms	8276 KB	Output is correct

Subtask #6
0 / 38.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	320 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Runtime error	11 ms	16400 KB	Execution killed with signal 11
14	Halted	0 ms	0 KB	-

답안 #720512

Compilation message

Subtask #1 1.0 / 1.0

Subtask #2 0 / 5.0

Subtask #3 14.0 / 14.0

Subtask #4 10.0 / 10.0

Subtask #5 32.0 / 32.0

Subtask #6 0 / 38.0

Subtask #1
1.0 / 1.0

Subtask #2
0 / 5.0

Subtask #3
14.0 / 14.0

Subtask #4
10.0 / 10.0

Subtask #5
32.0 / 32.0

Subtask #6
0 / 38.0