#include <bits/stdc++.h>
using namespace std;
long long n,a,b,c;string s;
int lcp[201][201];
long long dp[201][201][201];
long long solve(int i,int l,int r){
if(l==0&&r==n){
return 0;
}
if(i==n){
return 1e9;
}
if(dp[i][l][r]!=-1)return dp[i][l][r];
long long cost = 0 , j = 0;
long long c1 = solve(i+1,l,r);
for(j = i;j<n;){
int lol = (r-l<=lcp[j][l]?r-l:0);
if(lol==0){
cost+=a;
if(j+1-i>r-l)c1 = min(c1,solve(0,i,j+1)+cost+b);
j++;
continue;
}
for(long long e = j+1;e<min(n+1,lol+j);e++){
if(e-i>r-l)c1 = min(c1,solve(0,i,e)+cost+(e-j)*a+b);
}
cost+=min((r-l)*a,c);
if(min(n,lol+j)-i>r-l)c1 = min(c1,solve(0,i,min(n,lol+j))+cost+b);
j+=r-l;
}
return dp[i][l][r] = c1;
}
signed main(){
ios_base::sync_with_stdio(0);cin.tie(0);
cin>>n>>s>>a>>b>>c;
memset(dp,-1,sizeof dp);
for(int i = 0;i<n;i++){
for(int j = 0;j<n;j++){
for(int k = 0;k<min(n-i,n-j);k++){
if(s[i+k]==s[j+k]){
lcp[i][j]++;
}else break;
}
}
}
cout<<solve(0,0,0)-b<<endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
63972 KB |
Output is correct |
2 |
Correct |
8 ms |
63836 KB |
Output is correct |
3 |
Incorrect |
8 ms |
63836 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
63876 KB |
Output is correct |
2 |
Incorrect |
8 ms |
63836 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
63972 KB |
Output is correct |
2 |
Correct |
8 ms |
63836 KB |
Output is correct |
3 |
Incorrect |
8 ms |
63836 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
63972 KB |
Output is correct |
2 |
Correct |
8 ms |
63836 KB |
Output is correct |
3 |
Incorrect |
8 ms |
63836 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
63972 KB |
Output is correct |
2 |
Correct |
8 ms |
63836 KB |
Output is correct |
3 |
Incorrect |
8 ms |
63836 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
63972 KB |
Output is correct |
2 |
Correct |
8 ms |
63836 KB |
Output is correct |
3 |
Incorrect |
8 ms |
63836 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |