#include<bits/stdc++.h>
#define pb push_back
#define pli pair<int,int>
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxn=2e5;
const ll inf=1e18;
const ll mod=1e15+37;
ll f[maxn]={0};
ll a,b,c;
vector<pli>g[2506][2506];
void dfs(ll x,ll y,ll h,ll v)
{
ll j=x+y-1;
f[j]=min(f[j],-y*h*a+c*h+b+v);
for(auto zz:g[x][y])
{
dfs(zz.fi,zz.se,h+1,v);
}
}
ll mu(ll a, ll b) {
ll k = (ll)((long double)a * b / mod);
ll r = a * b - mod * k;
if (r < 0) r += mod;
if (r >= mod) r -= mod;
return r;
}
string s;
ll hs[maxn],n,pw[maxn];
ll base=311;
ll get(ll i,ll j)
{
return (hs[j]-mu(hs[i-1],pw[j-i+1]) + mod) %mod;
}
struct qq
{
ll v,l,r;
bool operator<(const qq&o)
{
if(v==o.v) return l<o.l;
return v<o.v;
}
};
ll dp[2506][2506];
vector<qq> vec;
void solve()
{
cin >> n >> s >> a >> b >> c;
s=' '+s;
pw[0]=1;
for(int i=1;i<=n;i++)
{
hs[i]=(hs[i-1]*base+s[i])%mod;
pw[i]=pw[i-1]*base%mod;
}
for(int i=1;i<=n;i++)
{
for(int j=i;j<=n;j++)
{
vec.pb({get(i,j),i,j});
}
}
sort(vec.begin(),vec.end());
for(int i=0;i<vec.size();i++)
{
ll j=i;
vector<ll> pos;
while(j<vec.size()&&vec[i].v==vec[j].v)
{
pos.pb(vec[j].l);
j++;
}
ll len=vec[i].r-vec[i].l+1;
for(int q=pos.size()-1;q>=0;q--)
{
ll u=pos[q];
ll x=upper_bound(pos.begin(),pos.end(),u-len)-pos.begin()-1;
if(x>=0)
{
ll v=pos[x];
g[v][len].pb({u,len});
}
}
i=j-1;
}
for(int i=n;i>=1;i--)
{
for(int j=i;j<=n;j++)
{
if(i==j) dp[i][j]=a;
else
{
dp[i][j]=dp[i][j-1]+a;
dp[i][j]=min(dp[i][j],(j-i+1)*a+f[j]);
}
dfs(i,j-i+1,1,dp[i][j]);
}
}
cout << dp[1][n];
}
int main()
{
fastio
//freopen(TASKNAME".INP","r",stdin);
//freopen(TASKNAME".OUT","w",stdout);
solve();
}
Compilation message
copypaste3.cpp: In function 'void solve()':
copypaste3.cpp:67:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<qq>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
67 | for(int i=0;i<vec.size();i++)
| ~^~~~~~~~~~~
copypaste3.cpp:71:16: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<qq>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
71 | while(j<vec.size()&&vec[i].v==vec[j].v)
| ~^~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
48 ms |
154192 KB |
Output is correct |
2 |
Correct |
33 ms |
154200 KB |
Output is correct |
3 |
Correct |
34 ms |
154292 KB |
Output is correct |
4 |
Correct |
34 ms |
154204 KB |
Output is correct |
5 |
Correct |
36 ms |
154204 KB |
Output is correct |
6 |
Correct |
38 ms |
154272 KB |
Output is correct |
7 |
Correct |
33 ms |
154200 KB |
Output is correct |
8 |
Correct |
33 ms |
154596 KB |
Output is correct |
9 |
Correct |
36 ms |
154316 KB |
Output is correct |
10 |
Correct |
34 ms |
154280 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
34 ms |
156252 KB |
Output is correct |
2 |
Correct |
34 ms |
154196 KB |
Output is correct |
3 |
Correct |
688 ms |
257812 KB |
Output is correct |
4 |
Correct |
859 ms |
270272 KB |
Output is correct |
5 |
Correct |
1018 ms |
287744 KB |
Output is correct |
6 |
Correct |
1195 ms |
307128 KB |
Output is correct |
7 |
Correct |
1411 ms |
324832 KB |
Output is correct |
8 |
Correct |
1374 ms |
324336 KB |
Output is correct |
9 |
Correct |
1384 ms |
325012 KB |
Output is correct |
10 |
Correct |
36 ms |
154492 KB |
Output is correct |
11 |
Correct |
34 ms |
154200 KB |
Output is correct |
12 |
Correct |
34 ms |
154204 KB |
Output is correct |
13 |
Correct |
35 ms |
154300 KB |
Output is correct |
14 |
Correct |
36 ms |
154372 KB |
Output is correct |
15 |
Correct |
36 ms |
156248 KB |
Output is correct |
16 |
Correct |
34 ms |
156240 KB |
Output is correct |
17 |
Correct |
36 ms |
154200 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
48 ms |
154192 KB |
Output is correct |
2 |
Correct |
33 ms |
154200 KB |
Output is correct |
3 |
Correct |
34 ms |
154292 KB |
Output is correct |
4 |
Correct |
34 ms |
154204 KB |
Output is correct |
5 |
Correct |
36 ms |
154204 KB |
Output is correct |
6 |
Correct |
38 ms |
154272 KB |
Output is correct |
7 |
Correct |
33 ms |
154200 KB |
Output is correct |
8 |
Correct |
33 ms |
154596 KB |
Output is correct |
9 |
Correct |
36 ms |
154316 KB |
Output is correct |
10 |
Correct |
34 ms |
154280 KB |
Output is correct |
11 |
Correct |
35 ms |
156344 KB |
Output is correct |
12 |
Correct |
38 ms |
156252 KB |
Output is correct |
13 |
Correct |
36 ms |
156452 KB |
Output is correct |
14 |
Correct |
35 ms |
154164 KB |
Output is correct |
15 |
Correct |
33 ms |
156400 KB |
Output is correct |
16 |
Correct |
36 ms |
156452 KB |
Output is correct |
17 |
Correct |
35 ms |
154196 KB |
Output is correct |
18 |
Correct |
34 ms |
154152 KB |
Output is correct |
19 |
Correct |
34 ms |
156280 KB |
Output is correct |
20 |
Correct |
35 ms |
154376 KB |
Output is correct |
21 |
Correct |
35 ms |
156452 KB |
Output is correct |
22 |
Correct |
36 ms |
156244 KB |
Output is correct |
23 |
Correct |
35 ms |
156276 KB |
Output is correct |
24 |
Correct |
34 ms |
156244 KB |
Output is correct |
25 |
Correct |
34 ms |
156252 KB |
Output is correct |
26 |
Correct |
35 ms |
156452 KB |
Output is correct |
27 |
Correct |
36 ms |
156252 KB |
Output is correct |
28 |
Correct |
35 ms |
156288 KB |
Output is correct |
29 |
Correct |
39 ms |
156452 KB |
Output is correct |
30 |
Correct |
37 ms |
156252 KB |
Output is correct |
31 |
Correct |
34 ms |
156324 KB |
Output is correct |
32 |
Correct |
35 ms |
156464 KB |
Output is correct |
33 |
Correct |
37 ms |
156264 KB |
Output is correct |
34 |
Correct |
34 ms |
154308 KB |
Output is correct |
35 |
Correct |
37 ms |
154268 KB |
Output is correct |
36 |
Correct |
35 ms |
154352 KB |
Output is correct |
37 |
Correct |
35 ms |
154148 KB |
Output is correct |
38 |
Correct |
35 ms |
156252 KB |
Output is correct |
39 |
Correct |
37 ms |
156316 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
48 ms |
154192 KB |
Output is correct |
2 |
Correct |
33 ms |
154200 KB |
Output is correct |
3 |
Correct |
34 ms |
154292 KB |
Output is correct |
4 |
Correct |
34 ms |
154204 KB |
Output is correct |
5 |
Correct |
36 ms |
154204 KB |
Output is correct |
6 |
Correct |
38 ms |
154272 KB |
Output is correct |
7 |
Correct |
33 ms |
154200 KB |
Output is correct |
8 |
Correct |
33 ms |
154596 KB |
Output is correct |
9 |
Correct |
36 ms |
154316 KB |
Output is correct |
10 |
Correct |
34 ms |
154280 KB |
Output is correct |
11 |
Correct |
35 ms |
156344 KB |
Output is correct |
12 |
Correct |
38 ms |
156252 KB |
Output is correct |
13 |
Correct |
36 ms |
156452 KB |
Output is correct |
14 |
Correct |
35 ms |
154164 KB |
Output is correct |
15 |
Correct |
33 ms |
156400 KB |
Output is correct |
16 |
Correct |
36 ms |
156452 KB |
Output is correct |
17 |
Correct |
35 ms |
154196 KB |
Output is correct |
18 |
Correct |
34 ms |
154152 KB |
Output is correct |
19 |
Correct |
34 ms |
156280 KB |
Output is correct |
20 |
Correct |
35 ms |
154376 KB |
Output is correct |
21 |
Correct |
35 ms |
156452 KB |
Output is correct |
22 |
Correct |
36 ms |
156244 KB |
Output is correct |
23 |
Correct |
35 ms |
156276 KB |
Output is correct |
24 |
Correct |
34 ms |
156244 KB |
Output is correct |
25 |
Correct |
34 ms |
156252 KB |
Output is correct |
26 |
Correct |
35 ms |
156452 KB |
Output is correct |
27 |
Correct |
36 ms |
156252 KB |
Output is correct |
28 |
Correct |
35 ms |
156288 KB |
Output is correct |
29 |
Correct |
39 ms |
156452 KB |
Output is correct |
30 |
Correct |
37 ms |
156252 KB |
Output is correct |
31 |
Correct |
34 ms |
156324 KB |
Output is correct |
32 |
Correct |
35 ms |
156464 KB |
Output is correct |
33 |
Correct |
37 ms |
156264 KB |
Output is correct |
34 |
Correct |
34 ms |
154308 KB |
Output is correct |
35 |
Correct |
37 ms |
154268 KB |
Output is correct |
36 |
Correct |
35 ms |
154352 KB |
Output is correct |
37 |
Correct |
35 ms |
154148 KB |
Output is correct |
38 |
Correct |
35 ms |
156252 KB |
Output is correct |
39 |
Correct |
37 ms |
156316 KB |
Output is correct |
40 |
Correct |
38 ms |
156508 KB |
Output is correct |
41 |
Correct |
40 ms |
159180 KB |
Output is correct |
42 |
Correct |
39 ms |
158888 KB |
Output is correct |
43 |
Correct |
39 ms |
158928 KB |
Output is correct |
44 |
Correct |
40 ms |
159012 KB |
Output is correct |
45 |
Correct |
39 ms |
158932 KB |
Output is correct |
46 |
Correct |
38 ms |
158992 KB |
Output is correct |
47 |
Correct |
40 ms |
159088 KB |
Output is correct |
48 |
Correct |
38 ms |
159180 KB |
Output is correct |
49 |
Correct |
38 ms |
158940 KB |
Output is correct |
50 |
Correct |
39 ms |
159032 KB |
Output is correct |
51 |
Correct |
43 ms |
159184 KB |
Output is correct |
52 |
Correct |
45 ms |
159204 KB |
Output is correct |
53 |
Correct |
41 ms |
158932 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
48 ms |
154192 KB |
Output is correct |
2 |
Correct |
33 ms |
154200 KB |
Output is correct |
3 |
Correct |
34 ms |
154292 KB |
Output is correct |
4 |
Correct |
34 ms |
154204 KB |
Output is correct |
5 |
Correct |
36 ms |
154204 KB |
Output is correct |
6 |
Correct |
38 ms |
154272 KB |
Output is correct |
7 |
Correct |
33 ms |
154200 KB |
Output is correct |
8 |
Correct |
33 ms |
154596 KB |
Output is correct |
9 |
Correct |
36 ms |
154316 KB |
Output is correct |
10 |
Correct |
34 ms |
154280 KB |
Output is correct |
11 |
Correct |
35 ms |
156344 KB |
Output is correct |
12 |
Correct |
38 ms |
156252 KB |
Output is correct |
13 |
Correct |
36 ms |
156452 KB |
Output is correct |
14 |
Correct |
35 ms |
154164 KB |
Output is correct |
15 |
Correct |
33 ms |
156400 KB |
Output is correct |
16 |
Correct |
36 ms |
156452 KB |
Output is correct |
17 |
Correct |
35 ms |
154196 KB |
Output is correct |
18 |
Correct |
34 ms |
154152 KB |
Output is correct |
19 |
Correct |
34 ms |
156280 KB |
Output is correct |
20 |
Correct |
35 ms |
154376 KB |
Output is correct |
21 |
Correct |
35 ms |
156452 KB |
Output is correct |
22 |
Correct |
36 ms |
156244 KB |
Output is correct |
23 |
Correct |
35 ms |
156276 KB |
Output is correct |
24 |
Correct |
34 ms |
156244 KB |
Output is correct |
25 |
Correct |
34 ms |
156252 KB |
Output is correct |
26 |
Correct |
35 ms |
156452 KB |
Output is correct |
27 |
Correct |
36 ms |
156252 KB |
Output is correct |
28 |
Correct |
35 ms |
156288 KB |
Output is correct |
29 |
Correct |
39 ms |
156452 KB |
Output is correct |
30 |
Correct |
37 ms |
156252 KB |
Output is correct |
31 |
Correct |
34 ms |
156324 KB |
Output is correct |
32 |
Correct |
35 ms |
156464 KB |
Output is correct |
33 |
Correct |
37 ms |
156264 KB |
Output is correct |
34 |
Correct |
34 ms |
154308 KB |
Output is correct |
35 |
Correct |
37 ms |
154268 KB |
Output is correct |
36 |
Correct |
35 ms |
154352 KB |
Output is correct |
37 |
Correct |
35 ms |
154148 KB |
Output is correct |
38 |
Correct |
35 ms |
156252 KB |
Output is correct |
39 |
Correct |
37 ms |
156316 KB |
Output is correct |
40 |
Correct |
38 ms |
156508 KB |
Output is correct |
41 |
Correct |
40 ms |
159180 KB |
Output is correct |
42 |
Correct |
39 ms |
158888 KB |
Output is correct |
43 |
Correct |
39 ms |
158928 KB |
Output is correct |
44 |
Correct |
40 ms |
159012 KB |
Output is correct |
45 |
Correct |
39 ms |
158932 KB |
Output is correct |
46 |
Correct |
38 ms |
158992 KB |
Output is correct |
47 |
Correct |
40 ms |
159088 KB |
Output is correct |
48 |
Correct |
38 ms |
159180 KB |
Output is correct |
49 |
Correct |
38 ms |
158940 KB |
Output is correct |
50 |
Correct |
39 ms |
159032 KB |
Output is correct |
51 |
Correct |
43 ms |
159184 KB |
Output is correct |
52 |
Correct |
45 ms |
159204 KB |
Output is correct |
53 |
Correct |
41 ms |
158932 KB |
Output is correct |
54 |
Correct |
49 ms |
167368 KB |
Output is correct |
55 |
Correct |
191 ms |
194448 KB |
Output is correct |
56 |
Correct |
104 ms |
187308 KB |
Output is correct |
57 |
Correct |
99 ms |
186808 KB |
Output is correct |
58 |
Correct |
103 ms |
187052 KB |
Output is correct |
59 |
Correct |
98 ms |
186796 KB |
Output is correct |
60 |
Correct |
95 ms |
186796 KB |
Output is correct |
61 |
Correct |
142 ms |
192688 KB |
Output is correct |
62 |
Correct |
154 ms |
194404 KB |
Output is correct |
63 |
Correct |
123 ms |
190636 KB |
Output is correct |
64 |
Correct |
130 ms |
190888 KB |
Output is correct |
65 |
Correct |
146 ms |
192180 KB |
Output is correct |
66 |
Correct |
145 ms |
192300 KB |
Output is correct |
67 |
Correct |
107 ms |
186716 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
48 ms |
154192 KB |
Output is correct |
2 |
Correct |
33 ms |
154200 KB |
Output is correct |
3 |
Correct |
34 ms |
154292 KB |
Output is correct |
4 |
Correct |
34 ms |
154204 KB |
Output is correct |
5 |
Correct |
36 ms |
154204 KB |
Output is correct |
6 |
Correct |
38 ms |
154272 KB |
Output is correct |
7 |
Correct |
33 ms |
154200 KB |
Output is correct |
8 |
Correct |
33 ms |
154596 KB |
Output is correct |
9 |
Correct |
36 ms |
154316 KB |
Output is correct |
10 |
Correct |
34 ms |
154280 KB |
Output is correct |
11 |
Correct |
34 ms |
156252 KB |
Output is correct |
12 |
Correct |
34 ms |
154196 KB |
Output is correct |
13 |
Correct |
688 ms |
257812 KB |
Output is correct |
14 |
Correct |
859 ms |
270272 KB |
Output is correct |
15 |
Correct |
1018 ms |
287744 KB |
Output is correct |
16 |
Correct |
1195 ms |
307128 KB |
Output is correct |
17 |
Correct |
1411 ms |
324832 KB |
Output is correct |
18 |
Correct |
1374 ms |
324336 KB |
Output is correct |
19 |
Correct |
1384 ms |
325012 KB |
Output is correct |
20 |
Correct |
36 ms |
154492 KB |
Output is correct |
21 |
Correct |
34 ms |
154200 KB |
Output is correct |
22 |
Correct |
34 ms |
154204 KB |
Output is correct |
23 |
Correct |
35 ms |
154300 KB |
Output is correct |
24 |
Correct |
36 ms |
154372 KB |
Output is correct |
25 |
Correct |
36 ms |
156248 KB |
Output is correct |
26 |
Correct |
34 ms |
156240 KB |
Output is correct |
27 |
Correct |
36 ms |
154200 KB |
Output is correct |
28 |
Correct |
35 ms |
156344 KB |
Output is correct |
29 |
Correct |
38 ms |
156252 KB |
Output is correct |
30 |
Correct |
36 ms |
156452 KB |
Output is correct |
31 |
Correct |
35 ms |
154164 KB |
Output is correct |
32 |
Correct |
33 ms |
156400 KB |
Output is correct |
33 |
Correct |
36 ms |
156452 KB |
Output is correct |
34 |
Correct |
35 ms |
154196 KB |
Output is correct |
35 |
Correct |
34 ms |
154152 KB |
Output is correct |
36 |
Correct |
34 ms |
156280 KB |
Output is correct |
37 |
Correct |
35 ms |
154376 KB |
Output is correct |
38 |
Correct |
35 ms |
156452 KB |
Output is correct |
39 |
Correct |
36 ms |
156244 KB |
Output is correct |
40 |
Correct |
35 ms |
156276 KB |
Output is correct |
41 |
Correct |
34 ms |
156244 KB |
Output is correct |
42 |
Correct |
34 ms |
156252 KB |
Output is correct |
43 |
Correct |
35 ms |
156452 KB |
Output is correct |
44 |
Correct |
36 ms |
156252 KB |
Output is correct |
45 |
Correct |
35 ms |
156288 KB |
Output is correct |
46 |
Correct |
39 ms |
156452 KB |
Output is correct |
47 |
Correct |
37 ms |
156252 KB |
Output is correct |
48 |
Correct |
34 ms |
156324 KB |
Output is correct |
49 |
Correct |
35 ms |
156464 KB |
Output is correct |
50 |
Correct |
37 ms |
156264 KB |
Output is correct |
51 |
Correct |
34 ms |
154308 KB |
Output is correct |
52 |
Correct |
37 ms |
154268 KB |
Output is correct |
53 |
Correct |
35 ms |
154352 KB |
Output is correct |
54 |
Correct |
35 ms |
154148 KB |
Output is correct |
55 |
Correct |
35 ms |
156252 KB |
Output is correct |
56 |
Correct |
37 ms |
156316 KB |
Output is correct |
57 |
Correct |
38 ms |
156508 KB |
Output is correct |
58 |
Correct |
40 ms |
159180 KB |
Output is correct |
59 |
Correct |
39 ms |
158888 KB |
Output is correct |
60 |
Correct |
39 ms |
158928 KB |
Output is correct |
61 |
Correct |
40 ms |
159012 KB |
Output is correct |
62 |
Correct |
39 ms |
158932 KB |
Output is correct |
63 |
Correct |
38 ms |
158992 KB |
Output is correct |
64 |
Correct |
40 ms |
159088 KB |
Output is correct |
65 |
Correct |
38 ms |
159180 KB |
Output is correct |
66 |
Correct |
38 ms |
158940 KB |
Output is correct |
67 |
Correct |
39 ms |
159032 KB |
Output is correct |
68 |
Correct |
43 ms |
159184 KB |
Output is correct |
69 |
Correct |
45 ms |
159204 KB |
Output is correct |
70 |
Correct |
41 ms |
158932 KB |
Output is correct |
71 |
Correct |
49 ms |
167368 KB |
Output is correct |
72 |
Correct |
191 ms |
194448 KB |
Output is correct |
73 |
Correct |
104 ms |
187308 KB |
Output is correct |
74 |
Correct |
99 ms |
186808 KB |
Output is correct |
75 |
Correct |
103 ms |
187052 KB |
Output is correct |
76 |
Correct |
98 ms |
186796 KB |
Output is correct |
77 |
Correct |
95 ms |
186796 KB |
Output is correct |
78 |
Correct |
142 ms |
192688 KB |
Output is correct |
79 |
Correct |
154 ms |
194404 KB |
Output is correct |
80 |
Correct |
123 ms |
190636 KB |
Output is correct |
81 |
Correct |
130 ms |
190888 KB |
Output is correct |
82 |
Correct |
146 ms |
192180 KB |
Output is correct |
83 |
Correct |
145 ms |
192300 KB |
Output is correct |
84 |
Correct |
107 ms |
186716 KB |
Output is correct |
85 |
Correct |
214 ms |
217756 KB |
Output is correct |
86 |
Correct |
523 ms |
275940 KB |
Output is correct |
87 |
Correct |
478 ms |
275844 KB |
Output is correct |
88 |
Correct |
467 ms |
275488 KB |
Output is correct |
89 |
Correct |
460 ms |
276440 KB |
Output is correct |
90 |
Correct |
453 ms |
276264 KB |
Output is correct |
91 |
Correct |
1220 ms |
323620 KB |
Output is correct |
92 |
Correct |
1309 ms |
324980 KB |
Output is correct |
93 |
Correct |
754 ms |
305496 KB |
Output is correct |
94 |
Correct |
708 ms |
300436 KB |
Output is correct |
95 |
Correct |
1012 ms |
313484 KB |
Output is correct |
96 |
Correct |
1016 ms |
312988 KB |
Output is correct |
97 |
Correct |
458 ms |
276504 KB |
Output is correct |