#include<bits/stdc++.h>
#define MAXN 2507
using namespace std;
const long long inf=1e15;
const long long mod=1000000000100011;
int n,len;
long long a,b,c,curr;
char s[MAXN];
long long dp[MAXN][MAXN];
bool li[MAXN][MAXN];
long long hesh,power;
int nxt[MAXN][MAXN];
long long cost(long long len,long long cnt,long long sz){
return (len-cnt*sz)*a+cnt*c;
}
unordered_map<long long, vector<int> > last;
unordered_map<long long, int > pt;
void calc_dp(){
for(int i=1;i<=n;i++){
for(int f=1;f<=n;f++){
dp[i][f]=inf;
}
}
for(int len=1;len<=n;len++){
for(int s=1;s+len-1<=n;s++){
int l=s,r=s+len-1;
if(len==1)dp[l][r]=a;
dp[l-1][r]=min(dp[l-1][r],dp[l][r]+a);
dp[l][r+1]=min(dp[l][r+1],dp[l][r]+a);
long long cnt=0;
for(int k=s;k<=n;k=nxt[k][k+len-1]){
cnt++;
dp[l][k+len-1]=min(dp[l][k+len-1],dp[l][r]+cost(k+len-1-l+1,cnt,r-l+1)+b );
}
}
}
}
int main(){
cin>>n>>(s+1);
cin>>a>>b>>c;
power=1;
for(int len=1;len<=n;len++){
last.clear(); hesh=0;
for(int t=n;t>=n-len+1;t--){
hesh*=26; hesh+=s[t]-'a'; hesh%=mod;
}
power*=26; power%=mod;
for(int t=n-len+1;t>=1;t--){
if(!last[hesh].empty()){
while(pt[hesh]+1<last[hesh].size() and last[hesh][pt[hesh]+1]>t+len-1){
pt[hesh]++;
}
if(pt[hesh]!=-1){
nxt[t][t+len-1]=last[hesh][pt[hesh]];
}else{
nxt[t][t+len-1]=n+1;
}
}else{
nxt[t][t+len-1]=n+1;
pt[hesh]=-1;
}
last[hesh].push_back(t);
hesh*=26; hesh+=s[t-1]-'a'; hesh%=mod;
hesh-=(long long) ((s[t+len-1]-'a')*power)%mod;
hesh+=mod; hesh%=mod;
}
}
calc_dp();
cout<<dp[1][n]<<"\n";
return 0;
}
Compilation message
copypaste3.cpp: In function 'int main()':
copypaste3.cpp:69:33: warning: comparison of integer expressions of different signedness: 'std::unordered_map<long long int, int>::mapped_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
69 | while(pt[hesh]+1<last[hesh].size() and last[hesh][pt[hesh]+1]>t+len-1){
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4884 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4560 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
227 ms |
60212 KB |
Output is correct |
4 |
Correct |
287 ms |
64052 KB |
Output is correct |
5 |
Correct |
366 ms |
70548 KB |
Output is correct |
6 |
Correct |
397 ms |
74492 KB |
Output is correct |
7 |
Correct |
473 ms |
76372 KB |
Output is correct |
8 |
Correct |
484 ms |
76140 KB |
Output is correct |
9 |
Correct |
482 ms |
76112 KB |
Output is correct |
10 |
Correct |
1 ms |
4440 KB |
Output is correct |
11 |
Correct |
1 ms |
4440 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 |
4440 KB |
Output is correct |
15 |
Correct |
1 ms |
6688 KB |
Output is correct |
16 |
Correct |
1 ms |
8540 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4884 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4560 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
8540 KB |
Output is correct |
14 |
Correct |
1 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
8540 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4440 KB |
Output is correct |
19 |
Correct |
1 ms |
6496 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
8540 KB |
Output is correct |
22 |
Correct |
1 ms |
8540 KB |
Output is correct |
23 |
Correct |
1 ms |
8540 KB |
Output is correct |
24 |
Correct |
2 ms |
8540 KB |
Output is correct |
25 |
Correct |
2 ms |
8536 KB |
Output is correct |
26 |
Correct |
1 ms |
8540 KB |
Output is correct |
27 |
Correct |
1 ms |
8540 KB |
Output is correct |
28 |
Correct |
2 ms |
8540 KB |
Output is correct |
29 |
Correct |
1 ms |
8540 KB |
Output is correct |
30 |
Correct |
1 ms |
8540 KB |
Output is correct |
31 |
Correct |
1 ms |
8540 KB |
Output is correct |
32 |
Correct |
1 ms |
8540 KB |
Output is correct |
33 |
Correct |
1 ms |
8536 KB |
Output is correct |
34 |
Correct |
1 ms |
4444 KB |
Output is correct |
35 |
Correct |
1 ms |
4444 KB |
Output is correct |
36 |
Correct |
1 ms |
4444 KB |
Output is correct |
37 |
Correct |
1 ms |
4444 KB |
Output is correct |
38 |
Correct |
1 ms |
6492 KB |
Output is correct |
39 |
Correct |
1 ms |
8540 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4884 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4560 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
8540 KB |
Output is correct |
14 |
Correct |
1 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
8540 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4440 KB |
Output is correct |
19 |
Correct |
1 ms |
6496 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
8540 KB |
Output is correct |
22 |
Correct |
1 ms |
8540 KB |
Output is correct |
23 |
Correct |
1 ms |
8540 KB |
Output is correct |
24 |
Correct |
2 ms |
8540 KB |
Output is correct |
25 |
Correct |
2 ms |
8536 KB |
Output is correct |
26 |
Correct |
1 ms |
8540 KB |
Output is correct |
27 |
Correct |
1 ms |
8540 KB |
Output is correct |
28 |
Correct |
2 ms |
8540 KB |
Output is correct |
29 |
Correct |
1 ms |
8540 KB |
Output is correct |
30 |
Correct |
1 ms |
8540 KB |
Output is correct |
31 |
Correct |
1 ms |
8540 KB |
Output is correct |
32 |
Correct |
1 ms |
8540 KB |
Output is correct |
33 |
Correct |
1 ms |
8536 KB |
Output is correct |
34 |
Correct |
1 ms |
4444 KB |
Output is correct |
35 |
Correct |
1 ms |
4444 KB |
Output is correct |
36 |
Correct |
1 ms |
4444 KB |
Output is correct |
37 |
Correct |
1 ms |
4444 KB |
Output is correct |
38 |
Correct |
1 ms |
6492 KB |
Output is correct |
39 |
Correct |
1 ms |
8540 KB |
Output is correct |
40 |
Correct |
2 ms |
8792 KB |
Output is correct |
41 |
Correct |
4 ms |
10584 KB |
Output is correct |
42 |
Correct |
6 ms |
11356 KB |
Output is correct |
43 |
Correct |
5 ms |
11356 KB |
Output is correct |
44 |
Correct |
5 ms |
11356 KB |
Output is correct |
45 |
Correct |
5 ms |
11436 KB |
Output is correct |
46 |
Correct |
6 ms |
11360 KB |
Output is correct |
47 |
Correct |
5 ms |
10844 KB |
Output is correct |
48 |
Correct |
5 ms |
11356 KB |
Output is correct |
49 |
Correct |
5 ms |
11356 KB |
Output is correct |
50 |
Correct |
5 ms |
11356 KB |
Output is correct |
51 |
Correct |
5 ms |
11356 KB |
Output is correct |
52 |
Correct |
5 ms |
11356 KB |
Output is correct |
53 |
Correct |
5 ms |
11356 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4884 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4560 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
8540 KB |
Output is correct |
14 |
Correct |
1 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
8540 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4440 KB |
Output is correct |
19 |
Correct |
1 ms |
6496 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
8540 KB |
Output is correct |
22 |
Correct |
1 ms |
8540 KB |
Output is correct |
23 |
Correct |
1 ms |
8540 KB |
Output is correct |
24 |
Correct |
2 ms |
8540 KB |
Output is correct |
25 |
Correct |
2 ms |
8536 KB |
Output is correct |
26 |
Correct |
1 ms |
8540 KB |
Output is correct |
27 |
Correct |
1 ms |
8540 KB |
Output is correct |
28 |
Correct |
2 ms |
8540 KB |
Output is correct |
29 |
Correct |
1 ms |
8540 KB |
Output is correct |
30 |
Correct |
1 ms |
8540 KB |
Output is correct |
31 |
Correct |
1 ms |
8540 KB |
Output is correct |
32 |
Correct |
1 ms |
8540 KB |
Output is correct |
33 |
Correct |
1 ms |
8536 KB |
Output is correct |
34 |
Correct |
1 ms |
4444 KB |
Output is correct |
35 |
Correct |
1 ms |
4444 KB |
Output is correct |
36 |
Correct |
1 ms |
4444 KB |
Output is correct |
37 |
Correct |
1 ms |
4444 KB |
Output is correct |
38 |
Correct |
1 ms |
6492 KB |
Output is correct |
39 |
Correct |
1 ms |
8540 KB |
Output is correct |
40 |
Correct |
2 ms |
8792 KB |
Output is correct |
41 |
Correct |
4 ms |
10584 KB |
Output is correct |
42 |
Correct |
6 ms |
11356 KB |
Output is correct |
43 |
Correct |
5 ms |
11356 KB |
Output is correct |
44 |
Correct |
5 ms |
11356 KB |
Output is correct |
45 |
Correct |
5 ms |
11436 KB |
Output is correct |
46 |
Correct |
6 ms |
11360 KB |
Output is correct |
47 |
Correct |
5 ms |
10844 KB |
Output is correct |
48 |
Correct |
5 ms |
11356 KB |
Output is correct |
49 |
Correct |
5 ms |
11356 KB |
Output is correct |
50 |
Correct |
5 ms |
11356 KB |
Output is correct |
51 |
Correct |
5 ms |
11356 KB |
Output is correct |
52 |
Correct |
5 ms |
11356 KB |
Output is correct |
53 |
Correct |
5 ms |
11356 KB |
Output is correct |
54 |
Correct |
25 ms |
25292 KB |
Output is correct |
55 |
Correct |
85 ms |
35480 KB |
Output is correct |
56 |
Correct |
185 ms |
56732 KB |
Output is correct |
57 |
Correct |
154 ms |
56576 KB |
Output is correct |
58 |
Correct |
155 ms |
56768 KB |
Output is correct |
59 |
Correct |
165 ms |
55624 KB |
Output is correct |
60 |
Correct |
151 ms |
56564 KB |
Output is correct |
61 |
Correct |
119 ms |
44416 KB |
Output is correct |
62 |
Correct |
85 ms |
35576 KB |
Output is correct |
63 |
Correct |
143 ms |
52136 KB |
Output is correct |
64 |
Correct |
137 ms |
52676 KB |
Output is correct |
65 |
Correct |
117 ms |
45764 KB |
Output is correct |
66 |
Correct |
117 ms |
45696 KB |
Output is correct |
67 |
Correct |
152 ms |
56224 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4884 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4560 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
227 ms |
60212 KB |
Output is correct |
14 |
Correct |
287 ms |
64052 KB |
Output is correct |
15 |
Correct |
366 ms |
70548 KB |
Output is correct |
16 |
Correct |
397 ms |
74492 KB |
Output is correct |
17 |
Correct |
473 ms |
76372 KB |
Output is correct |
18 |
Correct |
484 ms |
76140 KB |
Output is correct |
19 |
Correct |
482 ms |
76112 KB |
Output is correct |
20 |
Correct |
1 ms |
4440 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 |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4440 KB |
Output is correct |
25 |
Correct |
1 ms |
6688 KB |
Output is correct |
26 |
Correct |
1 ms |
8540 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
6492 KB |
Output is correct |
29 |
Correct |
1 ms |
6492 KB |
Output is correct |
30 |
Correct |
1 ms |
8540 KB |
Output is correct |
31 |
Correct |
1 ms |
4444 KB |
Output is correct |
32 |
Correct |
1 ms |
8540 KB |
Output is correct |
33 |
Correct |
1 ms |
6492 KB |
Output is correct |
34 |
Correct |
1 ms |
4444 KB |
Output is correct |
35 |
Correct |
1 ms |
4440 KB |
Output is correct |
36 |
Correct |
1 ms |
6496 KB |
Output is correct |
37 |
Correct |
1 ms |
4444 KB |
Output is correct |
38 |
Correct |
1 ms |
8540 KB |
Output is correct |
39 |
Correct |
1 ms |
8540 KB |
Output is correct |
40 |
Correct |
1 ms |
8540 KB |
Output is correct |
41 |
Correct |
2 ms |
8540 KB |
Output is correct |
42 |
Correct |
2 ms |
8536 KB |
Output is correct |
43 |
Correct |
1 ms |
8540 KB |
Output is correct |
44 |
Correct |
1 ms |
8540 KB |
Output is correct |
45 |
Correct |
2 ms |
8540 KB |
Output is correct |
46 |
Correct |
1 ms |
8540 KB |
Output is correct |
47 |
Correct |
1 ms |
8540 KB |
Output is correct |
48 |
Correct |
1 ms |
8540 KB |
Output is correct |
49 |
Correct |
1 ms |
8540 KB |
Output is correct |
50 |
Correct |
1 ms |
8536 KB |
Output is correct |
51 |
Correct |
1 ms |
4444 KB |
Output is correct |
52 |
Correct |
1 ms |
4444 KB |
Output is correct |
53 |
Correct |
1 ms |
4444 KB |
Output is correct |
54 |
Correct |
1 ms |
4444 KB |
Output is correct |
55 |
Correct |
1 ms |
6492 KB |
Output is correct |
56 |
Correct |
1 ms |
8540 KB |
Output is correct |
57 |
Correct |
2 ms |
8792 KB |
Output is correct |
58 |
Correct |
4 ms |
10584 KB |
Output is correct |
59 |
Correct |
6 ms |
11356 KB |
Output is correct |
60 |
Correct |
5 ms |
11356 KB |
Output is correct |
61 |
Correct |
5 ms |
11356 KB |
Output is correct |
62 |
Correct |
5 ms |
11436 KB |
Output is correct |
63 |
Correct |
6 ms |
11360 KB |
Output is correct |
64 |
Correct |
5 ms |
10844 KB |
Output is correct |
65 |
Correct |
5 ms |
11356 KB |
Output is correct |
66 |
Correct |
5 ms |
11356 KB |
Output is correct |
67 |
Correct |
5 ms |
11356 KB |
Output is correct |
68 |
Correct |
5 ms |
11356 KB |
Output is correct |
69 |
Correct |
5 ms |
11356 KB |
Output is correct |
70 |
Correct |
5 ms |
11356 KB |
Output is correct |
71 |
Correct |
25 ms |
25292 KB |
Output is correct |
72 |
Correct |
85 ms |
35480 KB |
Output is correct |
73 |
Correct |
185 ms |
56732 KB |
Output is correct |
74 |
Correct |
154 ms |
56576 KB |
Output is correct |
75 |
Correct |
155 ms |
56768 KB |
Output is correct |
76 |
Correct |
165 ms |
55624 KB |
Output is correct |
77 |
Correct |
151 ms |
56564 KB |
Output is correct |
78 |
Correct |
119 ms |
44416 KB |
Output is correct |
79 |
Correct |
85 ms |
35576 KB |
Output is correct |
80 |
Correct |
143 ms |
52136 KB |
Output is correct |
81 |
Correct |
137 ms |
52676 KB |
Output is correct |
82 |
Correct |
117 ms |
45764 KB |
Output is correct |
83 |
Correct |
117 ms |
45696 KB |
Output is correct |
84 |
Correct |
152 ms |
56224 KB |
Output is correct |
85 |
Correct |
594 ms |
104696 KB |
Output is correct |
86 |
Correct |
2268 ms |
223040 KB |
Output is correct |
87 |
Correct |
2169 ms |
223456 KB |
Output is correct |
88 |
Correct |
2181 ms |
223992 KB |
Output is correct |
89 |
Correct |
2238 ms |
223912 KB |
Output is correct |
90 |
Correct |
2139 ms |
219972 KB |
Output is correct |
91 |
Correct |
574 ms |
82396 KB |
Output is correct |
92 |
Correct |
658 ms |
77228 KB |
Output is correct |
93 |
Correct |
1450 ms |
165948 KB |
Output is correct |
94 |
Correct |
1516 ms |
172236 KB |
Output is correct |
95 |
Correct |
1358 ms |
146908 KB |
Output is correct |
96 |
Correct |
1347 ms |
146796 KB |
Output is correct |
97 |
Correct |
2142 ms |
220204 KB |
Output is correct |