#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define a first
#define b second
#define pb push_back
const llo mod=1e9+7;
bool par[2501][2501][13];
llo ne[2501][2501];//
vector<llo> pre[2501];
llo it[2501];
llo dp[2501][2501];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
llo n;
cin>>n;
string s;
cin>>s;
for(llo i=0;i<n;i++){
it[i]=s[i]-'0';
}
llo aa,bb,cc;
cin>>aa>>bb>>cc;
for(llo i=0;i<n;i++){
for(llo j=i;j<n;j++){
if(it[i]==it[j]){
par[i][j][0]=1;
}
else{
par[i][j][1]=1;
}
}
}
for(llo j=1;j<13;j++){
for(llo i=0;i<n;i++){
for(llo k=i;k<n;k++){
if(k+(1<<j)-1>=n){
par[i][k][j]=0;
continue;
}
par[i][k][j]=min(par[i][k][j-1],par[i+(1<<(j-1))][k+(1<<(j-1))][j-1]);
}
}
}
for(llo i=0;i<n;i++){
for(llo j=0;j<=n;j++){
pre[j].clear();
}
for(llo j=i+1;j<n;j++){
llo su=0;
llo aa=i;
llo bb=j;
for(llo k=12;k>=0;k--){
if(bb+(1<<k)-1<n){
if(par[aa][bb][k]==1){
aa+=(1<<k);
bb+=(1<<k);
su+=(1<<k);
}
}
}
if(su==0){
continue;
}
su=min(su,j-i);
pre[su].pb(j);
}
llo mi=n;
for(llo j=n;j>=1;j--){
for(auto jj:pre[j]){
mi=min(mi,jj);
}
if(mi<n){
ne[i][j]=mi;
//cout<<i<<":"<<j<<":"<<ne[i][j]<<endl;
}
else{
ne[i][j]=-1;
}
}
}
//return 0;
for(llo i=0;i<n;i++){
for(llo j=0;j<n;j++){
dp[i][j]=1e18;
}
}
for(llo ii=0;ii<n;ii++){
for(llo i=0;i+ii<n;i++){
llo j=i+ii;
if(i==j){
dp[i][j]=min(dp[i][j],aa);
}
else{
dp[i][j]=min(dp[i][j],min(dp[i][j-1]+aa,dp[i+1][j]+aa));
}
llo cur=i;
llo su2=0;
llo zz=1;
while(true){
if(zz>1){
dp[i][cur+ii]=min(dp[i][cur+ii],su2*aa+dp[i][j]+bb+cc*zz);
/*if(i==2 and j==4){
cout<<cur<<":"<<endl;
cout<<su2<<":"<<dp[i][j]<<":"<<zz<<endl;
}*/
}
//cout<<i<<",,"<<j<<":"<<cur<<endl;
/* if(ne[cur][j-i+1]==0){
cout<<cur<<":"<<j-i+1<<endl;
return 0;
}*/
if(ne[cur][j-i+1]==-1){
break;
}
su2+=ne[cur][j-i+1]-(cur+ii)-1;
zz++;
cur=ne[cur][j-i+1];
}
}
}
//cout<<dp[2][7]<<endl;
cout<<dp[0][n-1]<<endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
388 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 |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
388 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
441 ms |
96012 KB |
Output is correct |
4 |
Correct |
533 ms |
110284 KB |
Output is correct |
5 |
Correct |
672 ms |
121884 KB |
Output is correct |
6 |
Correct |
806 ms |
134128 KB |
Output is correct |
7 |
Correct |
1043 ms |
147524 KB |
Output is correct |
8 |
Correct |
1092 ms |
147592 KB |
Output is correct |
9 |
Correct |
1058 ms |
147524 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 |
392 KB |
Output is correct |
14 |
Correct |
1 ms |
468 KB |
Output is correct |
15 |
Correct |
1 ms |
468 KB |
Output is correct |
16 |
Correct |
1 ms |
724 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
388 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 |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
388 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
596 KB |
Output is correct |
13 |
Correct |
1 ms |
596 KB |
Output is correct |
14 |
Correct |
1 ms |
468 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 |
1 ms |
340 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 |
780 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 |
772 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 |
696 KB |
Output is correct |
31 |
Correct |
1 ms |
780 KB |
Output is correct |
32 |
Correct |
1 ms |
724 KB |
Output is correct |
33 |
Correct |
1 ms |
724 KB |
Output is correct |
34 |
Correct |
1 ms |
340 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 |
468 KB |
Output is correct |
38 |
Correct |
1 ms |
468 KB |
Output is correct |
39 |
Correct |
1 ms |
724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
388 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 |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
388 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
596 KB |
Output is correct |
13 |
Correct |
1 ms |
596 KB |
Output is correct |
14 |
Correct |
1 ms |
468 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 |
1 ms |
340 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 |
780 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 |
772 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 |
696 KB |
Output is correct |
31 |
Correct |
1 ms |
780 KB |
Output is correct |
32 |
Correct |
1 ms |
724 KB |
Output is correct |
33 |
Correct |
1 ms |
724 KB |
Output is correct |
34 |
Correct |
1 ms |
340 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 |
468 KB |
Output is correct |
38 |
Correct |
1 ms |
468 KB |
Output is correct |
39 |
Correct |
1 ms |
724 KB |
Output is correct |
40 |
Correct |
2 ms |
1492 KB |
Output is correct |
41 |
Correct |
5 ms |
3636 KB |
Output is correct |
42 |
Correct |
5 ms |
3668 KB |
Output is correct |
43 |
Correct |
5 ms |
3668 KB |
Output is correct |
44 |
Correct |
4 ms |
3668 KB |
Output is correct |
45 |
Correct |
3 ms |
3668 KB |
Output is correct |
46 |
Correct |
3 ms |
3668 KB |
Output is correct |
47 |
Correct |
4 ms |
3668 KB |
Output is correct |
48 |
Correct |
4 ms |
3668 KB |
Output is correct |
49 |
Correct |
3 ms |
3668 KB |
Output is correct |
50 |
Correct |
4 ms |
3668 KB |
Output is correct |
51 |
Correct |
4 ms |
3668 KB |
Output is correct |
52 |
Correct |
4 ms |
3668 KB |
Output is correct |
53 |
Correct |
3 ms |
3668 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
388 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 |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
388 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
596 KB |
Output is correct |
13 |
Correct |
1 ms |
596 KB |
Output is correct |
14 |
Correct |
1 ms |
468 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 |
1 ms |
340 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 |
780 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 |
772 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 |
696 KB |
Output is correct |
31 |
Correct |
1 ms |
780 KB |
Output is correct |
32 |
Correct |
1 ms |
724 KB |
Output is correct |
33 |
Correct |
1 ms |
724 KB |
Output is correct |
34 |
Correct |
1 ms |
340 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 |
468 KB |
Output is correct |
38 |
Correct |
1 ms |
468 KB |
Output is correct |
39 |
Correct |
1 ms |
724 KB |
Output is correct |
40 |
Correct |
2 ms |
1492 KB |
Output is correct |
41 |
Correct |
5 ms |
3636 KB |
Output is correct |
42 |
Correct |
5 ms |
3668 KB |
Output is correct |
43 |
Correct |
5 ms |
3668 KB |
Output is correct |
44 |
Correct |
4 ms |
3668 KB |
Output is correct |
45 |
Correct |
3 ms |
3668 KB |
Output is correct |
46 |
Correct |
3 ms |
3668 KB |
Output is correct |
47 |
Correct |
4 ms |
3668 KB |
Output is correct |
48 |
Correct |
4 ms |
3668 KB |
Output is correct |
49 |
Correct |
3 ms |
3668 KB |
Output is correct |
50 |
Correct |
4 ms |
3668 KB |
Output is correct |
51 |
Correct |
4 ms |
3668 KB |
Output is correct |
52 |
Correct |
4 ms |
3668 KB |
Output is correct |
53 |
Correct |
3 ms |
3668 KB |
Output is correct |
54 |
Correct |
13 ms |
10196 KB |
Output is correct |
55 |
Correct |
106 ms |
34480 KB |
Output is correct |
56 |
Correct |
71 ms |
34380 KB |
Output is correct |
57 |
Correct |
59 ms |
34452 KB |
Output is correct |
58 |
Correct |
55 ms |
34480 KB |
Output is correct |
59 |
Correct |
61 ms |
34380 KB |
Output is correct |
60 |
Correct |
56 ms |
34452 KB |
Output is correct |
61 |
Correct |
67 ms |
34484 KB |
Output is correct |
62 |
Correct |
105 ms |
34508 KB |
Output is correct |
63 |
Correct |
61 ms |
34488 KB |
Output is correct |
64 |
Correct |
69 ms |
34492 KB |
Output is correct |
65 |
Correct |
85 ms |
34532 KB |
Output is correct |
66 |
Correct |
94 ms |
34412 KB |
Output is correct |
67 |
Correct |
52 ms |
34380 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
388 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 |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
388 KB |
Output is correct |
11 |
Correct |
1 ms |
596 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
441 ms |
96012 KB |
Output is correct |
14 |
Correct |
533 ms |
110284 KB |
Output is correct |
15 |
Correct |
672 ms |
121884 KB |
Output is correct |
16 |
Correct |
806 ms |
134128 KB |
Output is correct |
17 |
Correct |
1043 ms |
147524 KB |
Output is correct |
18 |
Correct |
1092 ms |
147592 KB |
Output is correct |
19 |
Correct |
1058 ms |
147524 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
392 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 |
724 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
468 KB |
Output is correct |
29 |
Correct |
1 ms |
596 KB |
Output is correct |
30 |
Correct |
1 ms |
596 KB |
Output is correct |
31 |
Correct |
1 ms |
468 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 |
1 ms |
340 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 |
780 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 |
772 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 |
696 KB |
Output is correct |
48 |
Correct |
1 ms |
780 KB |
Output is correct |
49 |
Correct |
1 ms |
724 KB |
Output is correct |
50 |
Correct |
1 ms |
724 KB |
Output is correct |
51 |
Correct |
1 ms |
340 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 |
468 KB |
Output is correct |
55 |
Correct |
1 ms |
468 KB |
Output is correct |
56 |
Correct |
1 ms |
724 KB |
Output is correct |
57 |
Correct |
2 ms |
1492 KB |
Output is correct |
58 |
Correct |
5 ms |
3636 KB |
Output is correct |
59 |
Correct |
5 ms |
3668 KB |
Output is correct |
60 |
Correct |
5 ms |
3668 KB |
Output is correct |
61 |
Correct |
4 ms |
3668 KB |
Output is correct |
62 |
Correct |
3 ms |
3668 KB |
Output is correct |
63 |
Correct |
3 ms |
3668 KB |
Output is correct |
64 |
Correct |
4 ms |
3668 KB |
Output is correct |
65 |
Correct |
4 ms |
3668 KB |
Output is correct |
66 |
Correct |
3 ms |
3668 KB |
Output is correct |
67 |
Correct |
4 ms |
3668 KB |
Output is correct |
68 |
Correct |
4 ms |
3668 KB |
Output is correct |
69 |
Correct |
4 ms |
3668 KB |
Output is correct |
70 |
Correct |
3 ms |
3668 KB |
Output is correct |
71 |
Correct |
13 ms |
10196 KB |
Output is correct |
72 |
Correct |
106 ms |
34480 KB |
Output is correct |
73 |
Correct |
71 ms |
34380 KB |
Output is correct |
74 |
Correct |
59 ms |
34452 KB |
Output is correct |
75 |
Correct |
55 ms |
34480 KB |
Output is correct |
76 |
Correct |
61 ms |
34380 KB |
Output is correct |
77 |
Correct |
56 ms |
34452 KB |
Output is correct |
78 |
Correct |
67 ms |
34484 KB |
Output is correct |
79 |
Correct |
105 ms |
34508 KB |
Output is correct |
80 |
Correct |
61 ms |
34488 KB |
Output is correct |
81 |
Correct |
69 ms |
34492 KB |
Output is correct |
82 |
Correct |
85 ms |
34532 KB |
Output is correct |
83 |
Correct |
94 ms |
34412 KB |
Output is correct |
84 |
Correct |
52 ms |
34380 KB |
Output is correct |
85 |
Correct |
166 ms |
74444 KB |
Output is correct |
86 |
Correct |
412 ms |
147512 KB |
Output is correct |
87 |
Correct |
367 ms |
147460 KB |
Output is correct |
88 |
Correct |
360 ms |
147372 KB |
Output is correct |
89 |
Correct |
306 ms |
147380 KB |
Output is correct |
90 |
Correct |
326 ms |
147512 KB |
Output is correct |
91 |
Correct |
606 ms |
147404 KB |
Output is correct |
92 |
Correct |
788 ms |
147532 KB |
Output is correct |
93 |
Correct |
403 ms |
147528 KB |
Output is correct |
94 |
Correct |
389 ms |
147540 KB |
Output is correct |
95 |
Correct |
606 ms |
147532 KB |
Output is correct |
96 |
Correct |
612 ms |
147620 KB |
Output is correct |
97 |
Correct |
295 ms |
147372 KB |
Output is correct |