oj.uz

Submission #922694

# Submission time Handle Problem Language Result Execution time Memory
922694 2024-02-06T02:46:15 Z huutuan Copy and Paste 3 (JOI22_copypaste3) C++14
57 / 100
 3000 ms 438452 KB 
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2")
#include<bits/stdc++.h>

using namespace std;

#define int long long
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define isz(x) ((int)x.size())
#define sumof(x) accumulate(all(x), 0ll)

pair<int, int> mod={(int)1e9+7, (int)1e9+9};
const int base=311;

struct Hash{
   pair<int, int> value;
   Hash (int x=0){
      value={x%mod.first, x%mod.second};
   }
   Hash (int x, int y){
      value={x, y};
   }
   Hash operator-(){
      return Hash((mod.first-value.first)%mod.first, 
                  (mod.second-value.second)%mod.second);
   }
   Hash operator+(Hash b){
      return Hash((value.first+b.value.first)%mod.first, 
                  (value.second+b.value.second)%mod.second);
   }
   Hash operator*(Hash b){
      return Hash(value.first*b.value.first%mod.first, 
                  value.second*b.value.second%mod.second);
   }
   bool operator<(Hash b) const {
      return value<b.value;
   }
   bool operator==(Hash b) const {
      return value==b.value;
   }
};

const int N=2510, LG=12;
int f[N][N], add, cut, paste, n;
int g[N][N];
int jump[LG][N][N];
Hash pf[N];
Hash pw[N];
string s;

Hash get(int l, int r){
   return pf[r]+(-pf[l-1])*pw[r-l+1];
}

void precalc(){
   pw[0]=1;
   for (int i=1; i<=n; ++i){
      pw[i]=pw[i-1]*base;
   }
   for (int i=1; i<=n; ++i){
      pf[i]=pf[i-1]*base+s[i];
   }
   for (int t=1; t<=n; ++t){
      map<Hash, int> mp;
      for (int r=t; r<=n; ++r){
         Hash h1=get(r-t+1, r);
         g[r][t]=mp.count(h1)?mp[h1]:0;
         if (r-t+1>=t){
            Hash h2=get(r-t+1-t+1, r-t+1);
            mp[h2]=r-t+1;
         }
      }
   }
   for (int i=0; i<=n; ++i) for (int j=0; j<LG; ++j) jump[j][0][i]=0;
   for (int i=1; i<=n; ++i){
      for (int j=1; j<=i; ++j) jump[0][i][j]=g[i][j];
   }
   for (int k=1; k<LG; ++k){
      for (int i=1; i<=n; ++i){
         for (int j=1; j<=i; ++j) jump[k][i][j]=jump[k-1][jump[k-1][i][j]][j];
      }
   }
}

int count(int l, int r, int t){
   int ans=0;
   for (int i=LG-1; i>=0; --i){
      if (jump[i][r][t]>=l+t-1){
         ans+=1<<i;
         r=jump[i][r][t];
      }
   }
   return ans+1;
}

int dp(int l, int r){
   if (l>r) return 0;
   if (f[l][r]!=-1) return f[l][r];
   int res=dp(l, r-1)+add;
   for (int t=r; t>=l; --t){
      int cnt=count(l, r, r-t+1);
      if (cnt==1) break;
      int ll=max(l, r-(r-l+1)/cnt+1), rr=t-1;
      while (ll<=rr){
         int mid=(ll+rr)>>1;
         if (count(l, r, r-mid+1)==cnt) rr=mid-1;
         else ll=mid+1;
      }
      t=ll;
      res=min(res, dp(t, r)+cut+cnt*paste+add*(r-l+1-cnt*(r-t+1)));
   }
   return f[l][r]=res;
}

void solve(){
   memset(f, -1, sizeof f);
   cin >> n >> s;
   s=" "+s;
   precalc();
   cin >> add >> cut >> paste;
   cout << dp(1, n);
}

int32_t main(){
   #ifdef sus
   freopen("cf.inp", "r", stdin);
   #endif
   ios_base::sync_with_stdio(false);
   cin.tie(nullptr);
   int ntests=1;
   // cin >> ntests;
   for (int i=1; i<=ntests; ++i) solve();
   return 0;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 50776 KB Output is correct
2 Correct 12 ms 50780 KB Output is correct
3 Correct 12 ms 50820 KB Output is correct
4 Correct 12 ms 50780 KB Output is correct
5 Correct 12 ms 50688 KB Output is correct
6 Correct 12 ms 50768 KB Output is correct
7 Correct 12 ms 50780 KB Output is correct
8 Correct 13 ms 50768 KB Output is correct
9 Correct 13 ms 50780 KB Output is correct
10 Correct 12 ms 51032 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 51548 KB Output is correct
2 Correct 11 ms 50860 KB Output is correct
3 Correct 1680 ms 316896 KB Output is correct
4 Correct 2163 ms 353316 KB Output is correct
5 Correct 2859 ms 394444 KB Output is correct
6 Execution timed out 3035 ms 438452 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 50776 KB Output is correct
2 Correct 12 ms 50780 KB Output is correct
3 Correct 12 ms 50820 KB Output is correct
4 Correct 12 ms 50780 KB Output is correct
5 Correct 12 ms 50688 KB Output is correct
6 Correct 12 ms 50768 KB Output is correct
7 Correct 12 ms 50780 KB Output is correct
8 Correct 13 ms 50768 KB Output is correct
9 Correct 13 ms 50780 KB Output is correct
10 Correct 12 ms 51032 KB Output is correct
11 Correct 12 ms 51288 KB Output is correct
12 Correct 12 ms 51460 KB Output is correct
13 Correct 12 ms 51548 KB Output is correct
14 Correct 13 ms 51152 KB Output is correct
15 Correct 13 ms 51544 KB Output is correct
16 Correct 14 ms 51292 KB Output is correct
17 Correct 12 ms 51036 KB Output is correct
18 Correct 12 ms 50780 KB Output is correct
19 Correct 12 ms 51292 KB Output is correct
20 Correct 12 ms 50780 KB Output is correct
21 Correct 13 ms 52316 KB Output is correct
22 Correct 12 ms 52304 KB Output is correct
23 Correct 13 ms 52272 KB Output is correct
24 Correct 13 ms 52312 KB Output is correct
25 Correct 12 ms 52316 KB Output is correct
26 Correct 12 ms 52148 KB Output is correct
27 Correct 14 ms 52568 KB Output is correct
28 Correct 16 ms 52316 KB Output is correct
29 Correct 14 ms 52316 KB Output is correct
30 Correct 13 ms 52184 KB Output is correct
31 Correct 14 ms 52316 KB Output is correct
32 Correct 14 ms 52180 KB Output is correct
33 Correct 13 ms 52316 KB Output is correct
34 Correct 14 ms 50640 KB Output is correct
35 Correct 13 ms 50804 KB Output is correct
36 Correct 13 ms 50780 KB Output is correct
37 Correct 12 ms 51032 KB Output is correct
38 Correct 12 ms 51292 KB Output is correct
39 Correct 13 ms 52316 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 50776 KB Output is correct
2 Correct 12 ms 50780 KB Output is correct
3 Correct 12 ms 50820 KB Output is correct
4 Correct 12 ms 50780 KB Output is correct
5 Correct 12 ms 50688 KB Output is correct
6 Correct 12 ms 50768 KB Output is correct
7 Correct 12 ms 50780 KB Output is correct
8 Correct 13 ms 50768 KB Output is correct
9 Correct 13 ms 50780 KB Output is correct
10 Correct 12 ms 51032 KB Output is correct
11 Correct 12 ms 51288 KB Output is correct
12 Correct 12 ms 51460 KB Output is correct
13 Correct 12 ms 51548 KB Output is correct
14 Correct 13 ms 51152 KB Output is correct
15 Correct 13 ms 51544 KB Output is correct
16 Correct 14 ms 51292 KB Output is correct
17 Correct 12 ms 51036 KB Output is correct
18 Correct 12 ms 50780 KB Output is correct
19 Correct 12 ms 51292 KB Output is correct
20 Correct 12 ms 50780 KB Output is correct
21 Correct 13 ms 52316 KB Output is correct
22 Correct 12 ms 52304 KB Output is correct
23 Correct 13 ms 52272 KB Output is correct
24 Correct 13 ms 52312 KB Output is correct
25 Correct 12 ms 52316 KB Output is correct
26 Correct 12 ms 52148 KB Output is correct
27 Correct 14 ms 52568 KB Output is correct
28 Correct 16 ms 52316 KB Output is correct
29 Correct 14 ms 52316 KB Output is correct
30 Correct 13 ms 52184 KB Output is correct
31 Correct 14 ms 52316 KB Output is correct
32 Correct 14 ms 52180 KB Output is correct
33 Correct 13 ms 52316 KB Output is correct
34 Correct 14 ms 50640 KB Output is correct
35 Correct 13 ms 50804 KB Output is correct
36 Correct 13 ms 50780 KB Output is correct
37 Correct 12 ms 51032 KB Output is correct
38 Correct 12 ms 51292 KB Output is correct
39 Correct 13 ms 52316 KB Output is correct
40 Correct 14 ms 55348 KB Output is correct
41 Correct 20 ms 63224 KB Output is correct
42 Correct 19 ms 63064 KB Output is correct
43 Correct 20 ms 63068 KB Output is correct
44 Correct 22 ms 63064 KB Output is correct
45 Correct 20 ms 63056 KB Output is correct
46 Correct 19 ms 63068 KB Output is correct
47 Correct 19 ms 63232 KB Output is correct
48 Correct 20 ms 63184 KB Output is correct
49 Correct 19 ms 63064 KB Output is correct
50 Correct 19 ms 63072 KB Output is correct
51 Correct 20 ms 63088 KB Output is correct
52 Correct 20 ms 63232 KB Output is correct
53 Correct 19 ms 63068 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 50776 KB Output is correct
2 Correct 12 ms 50780 KB Output is correct
3 Correct 12 ms 50820 KB Output is correct
4 Correct 12 ms 50780 KB Output is correct
5 Correct 12 ms 50688 KB Output is correct
6 Correct 12 ms 50768 KB Output is correct
7 Correct 12 ms 50780 KB Output is correct
8 Correct 13 ms 50768 KB Output is correct
9 Correct 13 ms 50780 KB Output is correct
10 Correct 12 ms 51032 KB Output is correct
11 Correct 12 ms 51288 KB Output is correct
12 Correct 12 ms 51460 KB Output is correct
13 Correct 12 ms 51548 KB Output is correct
14 Correct 13 ms 51152 KB Output is correct
15 Correct 13 ms 51544 KB Output is correct
16 Correct 14 ms 51292 KB Output is correct
17 Correct 12 ms 51036 KB Output is correct
18 Correct 12 ms 50780 KB Output is correct
19 Correct 12 ms 51292 KB Output is correct
20 Correct 12 ms 50780 KB Output is correct
21 Correct 13 ms 52316 KB Output is correct
22 Correct 12 ms 52304 KB Output is correct
23 Correct 13 ms 52272 KB Output is correct
24 Correct 13 ms 52312 KB Output is correct
25 Correct 12 ms 52316 KB Output is correct
26 Correct 12 ms 52148 KB Output is correct
27 Correct 14 ms 52568 KB Output is correct
28 Correct 16 ms 52316 KB Output is correct
29 Correct 14 ms 52316 KB Output is correct
30 Correct 13 ms 52184 KB Output is correct
31 Correct 14 ms 52316 KB Output is correct
32 Correct 14 ms 52180 KB Output is correct
33 Correct 13 ms 52316 KB Output is correct
34 Correct 14 ms 50640 KB Output is correct
35 Correct 13 ms 50804 KB Output is correct
36 Correct 13 ms 50780 KB Output is correct
37 Correct 12 ms 51032 KB Output is correct
38 Correct 12 ms 51292 KB Output is correct
39 Correct 13 ms 52316 KB Output is correct
40 Correct 14 ms 55348 KB Output is correct
41 Correct 20 ms 63224 KB Output is correct
42 Correct 19 ms 63064 KB Output is correct
43 Correct 20 ms 63068 KB Output is correct
44 Correct 22 ms 63064 KB Output is correct
45 Correct 20 ms 63056 KB Output is correct
46 Correct 19 ms 63068 KB Output is correct
47 Correct 19 ms 63232 KB Output is correct
48 Correct 20 ms 63184 KB Output is correct
49 Correct 19 ms 63064 KB Output is correct
50 Correct 19 ms 63072 KB Output is correct
51 Correct 20 ms 63088 KB Output is correct
52 Correct 20 ms 63232 KB Output is correct
53 Correct 19 ms 63068 KB Output is correct
54 Correct 37 ms 84376 KB Output is correct
55 Correct 297 ms 154284 KB Output is correct
56 Correct 120 ms 153984 KB Output is correct
57 Correct 119 ms 153980 KB Output is correct
58 Correct 119 ms 154044 KB Output is correct
59 Correct 122 ms 154164 KB Output is correct
60 Correct 119 ms 154452 KB Output is correct
61 Correct 143 ms 153936 KB Output is correct
62 Correct 246 ms 153928 KB Output is correct
63 Correct 119 ms 154280 KB Output is correct
64 Correct 114 ms 153940 KB Output is correct
65 Correct 238 ms 154156 KB Output is correct
66 Correct 243 ms 153960 KB Output is correct
67 Correct 134 ms 154036 KB Output is correct

Subtask #6
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 50776 KB Output is correct
2 Correct 12 ms 50780 KB Output is correct
3 Correct 12 ms 50820 KB Output is correct
4 Correct 12 ms 50780 KB Output is correct
5 Correct 12 ms 50688 KB Output is correct
6 Correct 12 ms 50768 KB Output is correct
7 Correct 12 ms 50780 KB Output is correct
8 Correct 13 ms 50768 KB Output is correct
9 Correct 13 ms 50780 KB Output is correct
10 Correct 12 ms 51032 KB Output is correct
11 Correct 12 ms 51548 KB Output is correct
12 Correct 11 ms 50860 KB Output is correct
13 Correct 1680 ms 316896 KB Output is correct
14 Correct 2163 ms 353316 KB Output is correct
15 Correct 2859 ms 394444 KB Output is correct
16 Execution timed out 3035 ms 438452 KB Time limit exceeded
17 Halted 0 ms 0 KB -