#include <bits/stdc++.h>
#define int long long
using namespace std;
typedef pair<int,int> ii;
const int INF = 1000000000000000000;
int n;
string s;
int a,b,c;
int dp[4505][4505];
int hsh[4505][4505];
int hsh2[4505][4505];
int nxt[4505][4505];
int mod = 1000000007, mod2 = 1000000009;
int H = 29, H2 = 31;
map<ii, vector<int> > groups;
main(){
scanf("%lld",&n);
cin >> s;
scanf("%lld%lld%lld",&a,&b,&c);
for (int i = 0; i < n; i++){
hsh[i][i] = hsh2[i][i] = 0;
for (int j = i+1; j <= n; j++){
hsh[i][j] = (hsh[i][j-1]*H + (s[j-1]-'a'+1))%mod;
hsh2[i][j] = (hsh2[i][j-1]*H2 + (s[j-1]-'a'+1))%mod2;
}
}
for (int i = 1; i <= n/2; i++){
groups.clear();
for (int j = 0; j+i <= n; j++){
groups[{hsh[j][j+i], hsh2[j][j+1]}].push_back(j);
}
for (auto it : groups){
auto V = it.second;
int cur = 0;
for (int k = 0; k < V.size(); k++){
int j = V[k];
while (cur < V.size() && V[cur] < j+i) cur++;
///printf("%d, length %d --> %d\n",j,i,cur);
if (cur == V.size()) nxt[i][j] = -1;
else nxt[i][j] = V[cur];
}
}
}
for (int i = 0; i <= n; i++){
dp[i][i] = 0;
for (int j = i+1; j <= n; j++){
dp[i][j] = INF;
}
}
for (int i = 1; i <= n; i++){
for (int j = 0; j+i <= n; j++){
dp[j][j+i] = min(dp[j][j+i], min(dp[j+1][j+i], dp[j][j+i-1]) + a);
}
if (i <= n/2){
for (int j = 0; j+i <= n; j++){
int cur = j;
int idx = 0;
int ct = 0;
int dpValue = dp[j][j+i];
while (true){
ct++;
int L = j;
int R = cur + i;
dp[L][R] = min(dp[L][R], dpValue + b + ct*c + (R-L - i*ct)*a);
cur = nxt[i][cur];
if (cur == -1) break;
}
}
}
}
printf("%lld\n",dp[0][n]);
}
Compilation message
copypaste3.cpp:16:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
16 | main(){
| ^~~~
copypaste3.cpp: In function 'int main()':
copypaste3.cpp:37:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
37 | for (int k = 0; k < V.size(); k++){
| ~~^~~~~~~~~~
copypaste3.cpp:39:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | while (cur < V.size() && V[cur] < j+i) cur++;
| ~~~~^~~~~~~~~~
copypaste3.cpp:41:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | if (cur == V.size()) nxt[i][j] = -1;
| ~~~~^~~~~~~~~~~
copypaste3.cpp:62:21: warning: unused variable 'idx' [-Wunused-variable]
62 | int idx = 0;
| ^~~
copypaste3.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
17 | scanf("%lld",&n);
| ~~~~~^~~~~~~~~~~
copypaste3.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
19 | scanf("%lld%lld%lld",&a,&b,&c);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
190 ms |
75388 KB |
Output is correct |
4 |
Correct |
226 ms |
85748 KB |
Output is correct |
5 |
Correct |
268 ms |
97792 KB |
Output is correct |
6 |
Correct |
323 ms |
111524 KB |
Output is correct |
7 |
Correct |
374 ms |
127516 KB |
Output is correct |
8 |
Correct |
384 ms |
127596 KB |
Output is correct |
9 |
Correct |
390 ms |
127512 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
468 KB |
Output is correct |
16 |
Correct |
1 ms |
724 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
0 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
468 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
724 KB |
Output is correct |
22 |
Correct |
1 ms |
724 KB |
Output is correct |
23 |
Correct |
1 ms |
724 KB |
Output is correct |
24 |
Correct |
1 ms |
724 KB |
Output is correct |
25 |
Correct |
1 ms |
724 KB |
Output is correct |
26 |
Correct |
1 ms |
724 KB |
Output is correct |
27 |
Correct |
1 ms |
724 KB |
Output is correct |
28 |
Correct |
1 ms |
724 KB |
Output is correct |
29 |
Correct |
1 ms |
724 KB |
Output is correct |
30 |
Correct |
1 ms |
724 KB |
Output is correct |
31 |
Correct |
1 ms |
724 KB |
Output is correct |
32 |
Correct |
1 ms |
724 KB |
Output is correct |
33 |
Correct |
1 ms |
724 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
0 ms |
468 KB |
Output is correct |
39 |
Correct |
1 ms |
724 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
0 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
468 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
724 KB |
Output is correct |
22 |
Correct |
1 ms |
724 KB |
Output is correct |
23 |
Correct |
1 ms |
724 KB |
Output is correct |
24 |
Correct |
1 ms |
724 KB |
Output is correct |
25 |
Correct |
1 ms |
724 KB |
Output is correct |
26 |
Correct |
1 ms |
724 KB |
Output is correct |
27 |
Correct |
1 ms |
724 KB |
Output is correct |
28 |
Correct |
1 ms |
724 KB |
Output is correct |
29 |
Correct |
1 ms |
724 KB |
Output is correct |
30 |
Correct |
1 ms |
724 KB |
Output is correct |
31 |
Correct |
1 ms |
724 KB |
Output is correct |
32 |
Correct |
1 ms |
724 KB |
Output is correct |
33 |
Correct |
1 ms |
724 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
0 ms |
468 KB |
Output is correct |
39 |
Correct |
1 ms |
724 KB |
Output is correct |
40 |
Correct |
2 ms |
1620 KB |
Output is correct |
41 |
Correct |
3 ms |
3796 KB |
Output is correct |
42 |
Correct |
5 ms |
3796 KB |
Output is correct |
43 |
Correct |
6 ms |
3788 KB |
Output is correct |
44 |
Correct |
6 ms |
3796 KB |
Output is correct |
45 |
Correct |
5 ms |
3796 KB |
Output is correct |
46 |
Correct |
6 ms |
3668 KB |
Output is correct |
47 |
Correct |
4 ms |
3668 KB |
Output is correct |
48 |
Correct |
5 ms |
3668 KB |
Output is correct |
49 |
Correct |
5 ms |
3668 KB |
Output is correct |
50 |
Correct |
5 ms |
3668 KB |
Output is correct |
51 |
Correct |
5 ms |
3668 KB |
Output is correct |
52 |
Correct |
4 ms |
3668 KB |
Output is correct |
53 |
Correct |
6 ms |
3796 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
0 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
468 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
724 KB |
Output is correct |
22 |
Correct |
1 ms |
724 KB |
Output is correct |
23 |
Correct |
1 ms |
724 KB |
Output is correct |
24 |
Correct |
1 ms |
724 KB |
Output is correct |
25 |
Correct |
1 ms |
724 KB |
Output is correct |
26 |
Correct |
1 ms |
724 KB |
Output is correct |
27 |
Correct |
1 ms |
724 KB |
Output is correct |
28 |
Correct |
1 ms |
724 KB |
Output is correct |
29 |
Correct |
1 ms |
724 KB |
Output is correct |
30 |
Correct |
1 ms |
724 KB |
Output is correct |
31 |
Correct |
1 ms |
724 KB |
Output is correct |
32 |
Correct |
1 ms |
724 KB |
Output is correct |
33 |
Correct |
1 ms |
724 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
0 ms |
468 KB |
Output is correct |
39 |
Correct |
1 ms |
724 KB |
Output is correct |
40 |
Correct |
2 ms |
1620 KB |
Output is correct |
41 |
Correct |
3 ms |
3796 KB |
Output is correct |
42 |
Correct |
5 ms |
3796 KB |
Output is correct |
43 |
Correct |
6 ms |
3788 KB |
Output is correct |
44 |
Correct |
6 ms |
3796 KB |
Output is correct |
45 |
Correct |
5 ms |
3796 KB |
Output is correct |
46 |
Correct |
6 ms |
3668 KB |
Output is correct |
47 |
Correct |
4 ms |
3668 KB |
Output is correct |
48 |
Correct |
5 ms |
3668 KB |
Output is correct |
49 |
Correct |
5 ms |
3668 KB |
Output is correct |
50 |
Correct |
5 ms |
3668 KB |
Output is correct |
51 |
Correct |
5 ms |
3668 KB |
Output is correct |
52 |
Correct |
4 ms |
3668 KB |
Output is correct |
53 |
Correct |
6 ms |
3796 KB |
Output is correct |
54 |
Correct |
27 ms |
9600 KB |
Output is correct |
55 |
Correct |
43 ms |
29140 KB |
Output is correct |
56 |
Correct |
145 ms |
29324 KB |
Output is correct |
57 |
Correct |
123 ms |
29340 KB |
Output is correct |
58 |
Correct |
121 ms |
29232 KB |
Output is correct |
59 |
Correct |
131 ms |
29212 KB |
Output is correct |
60 |
Correct |
118 ms |
29292 KB |
Output is correct |
61 |
Correct |
81 ms |
29152 KB |
Output is correct |
62 |
Correct |
47 ms |
29212 KB |
Output is correct |
63 |
Correct |
101 ms |
29164 KB |
Output is correct |
64 |
Correct |
102 ms |
29188 KB |
Output is correct |
65 |
Correct |
83 ms |
29168 KB |
Output is correct |
66 |
Correct |
86 ms |
29148 KB |
Output is correct |
67 |
Correct |
122 ms |
29292 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
190 ms |
75388 KB |
Output is correct |
14 |
Correct |
226 ms |
85748 KB |
Output is correct |
15 |
Correct |
268 ms |
97792 KB |
Output is correct |
16 |
Correct |
323 ms |
111524 KB |
Output is correct |
17 |
Correct |
374 ms |
127516 KB |
Output is correct |
18 |
Correct |
384 ms |
127596 KB |
Output is correct |
19 |
Correct |
390 ms |
127512 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
468 KB |
Output is correct |
26 |
Correct |
1 ms |
724 KB |
Output is correct |
27 |
Correct |
0 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
468 KB |
Output is correct |
29 |
Correct |
1 ms |
468 KB |
Output is correct |
30 |
Correct |
0 ms |
468 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
596 KB |
Output is correct |
33 |
Correct |
1 ms |
468 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
468 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
724 KB |
Output is correct |
39 |
Correct |
1 ms |
724 KB |
Output is correct |
40 |
Correct |
1 ms |
724 KB |
Output is correct |
41 |
Correct |
1 ms |
724 KB |
Output is correct |
42 |
Correct |
1 ms |
724 KB |
Output is correct |
43 |
Correct |
1 ms |
724 KB |
Output is correct |
44 |
Correct |
1 ms |
724 KB |
Output is correct |
45 |
Correct |
1 ms |
724 KB |
Output is correct |
46 |
Correct |
1 ms |
724 KB |
Output is correct |
47 |
Correct |
1 ms |
724 KB |
Output is correct |
48 |
Correct |
1 ms |
724 KB |
Output is correct |
49 |
Correct |
1 ms |
724 KB |
Output is correct |
50 |
Correct |
1 ms |
724 KB |
Output is correct |
51 |
Correct |
0 ms |
212 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
1 ms |
340 KB |
Output is correct |
55 |
Correct |
0 ms |
468 KB |
Output is correct |
56 |
Correct |
1 ms |
724 KB |
Output is correct |
57 |
Correct |
2 ms |
1620 KB |
Output is correct |
58 |
Correct |
3 ms |
3796 KB |
Output is correct |
59 |
Correct |
5 ms |
3796 KB |
Output is correct |
60 |
Correct |
6 ms |
3788 KB |
Output is correct |
61 |
Correct |
6 ms |
3796 KB |
Output is correct |
62 |
Correct |
5 ms |
3796 KB |
Output is correct |
63 |
Correct |
6 ms |
3668 KB |
Output is correct |
64 |
Correct |
4 ms |
3668 KB |
Output is correct |
65 |
Correct |
5 ms |
3668 KB |
Output is correct |
66 |
Correct |
5 ms |
3668 KB |
Output is correct |
67 |
Correct |
5 ms |
3668 KB |
Output is correct |
68 |
Correct |
5 ms |
3668 KB |
Output is correct |
69 |
Correct |
4 ms |
3668 KB |
Output is correct |
70 |
Correct |
6 ms |
3796 KB |
Output is correct |
71 |
Correct |
27 ms |
9600 KB |
Output is correct |
72 |
Correct |
43 ms |
29140 KB |
Output is correct |
73 |
Correct |
145 ms |
29324 KB |
Output is correct |
74 |
Correct |
123 ms |
29340 KB |
Output is correct |
75 |
Correct |
121 ms |
29232 KB |
Output is correct |
76 |
Correct |
131 ms |
29212 KB |
Output is correct |
77 |
Correct |
118 ms |
29292 KB |
Output is correct |
78 |
Correct |
81 ms |
29152 KB |
Output is correct |
79 |
Correct |
47 ms |
29212 KB |
Output is correct |
80 |
Correct |
101 ms |
29164 KB |
Output is correct |
81 |
Correct |
102 ms |
29188 KB |
Output is correct |
82 |
Correct |
83 ms |
29168 KB |
Output is correct |
83 |
Correct |
86 ms |
29148 KB |
Output is correct |
84 |
Correct |
122 ms |
29292 KB |
Output is correct |
85 |
Correct |
333 ms |
59644 KB |
Output is correct |
86 |
Correct |
865 ms |
127916 KB |
Output is correct |
87 |
Correct |
852 ms |
127796 KB |
Output is correct |
88 |
Correct |
864 ms |
127752 KB |
Output is correct |
89 |
Correct |
858 ms |
127864 KB |
Output is correct |
90 |
Correct |
871 ms |
127884 KB |
Output is correct |
91 |
Correct |
376 ms |
127676 KB |
Output is correct |
92 |
Correct |
344 ms |
127504 KB |
Output is correct |
93 |
Correct |
699 ms |
127836 KB |
Output is correct |
94 |
Correct |
738 ms |
127720 KB |
Output is correct |
95 |
Correct |
621 ms |
127560 KB |
Output is correct |
96 |
Correct |
621 ms |
127568 KB |
Output is correct |
97 |
Correct |
879 ms |
127880 KB |
Output is correct |