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Submission #952768

# Submission time Handle Problem Language Result Execution time Memory
952768 2024-03-24T18:36:57 Z NourWael Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 419 ms 1040816 KB 
#include <bits/stdc++.h>
using namespace std; 
int const mxN = 405;
int n;
int dp[mxN][mxN][mxN][4];
int cnt[mxN][3], ind[mxN+5][3];
 
int solve ( int i, int red, int yell, int b ) {
   if(i==n) return 0;
   if(~dp[i][red][yell][b]) return dp[i][red][yell][b];
 
   int ans = 1e9, green = i-(red+yell), gn = ind[green+1][2], rn = ind[red+1][0], yn = ind[yell+1][1];
 
   if(b!=0 && red+1<=cnt[n][0]) ans = min( solve(i+1, red+1, yell, 0) + max(0, cnt[rn][2]-green) + max(0, cnt[rn][1]-yell), ans );
   if(b!=1 && yell+1<=cnt[n][1]) ans = min (ans, solve(i+1, red, yell+1, 1) + max(0, cnt[yn][0]-red) + max(0, cnt[yn][2]-green));
   if(b!=2 && green+1<=cnt[n][2]) ans = min (ans, solve(i+1, red, yell, 2) + max(0, cnt[gn][0]-red) + max(0, cnt[gn][1]-yell));
 
   return dp[i][red][yell][b] = ans;
}
int main() {
  
  ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
  cin>>n;
  string s; cin>>s;
  memset(dp,-1,sizeof dp);
  for(int i=1; i<=n; i++) {
    cnt[i][0] = cnt[i-1][0];
    cnt[i][1] = cnt[i-1][1];
    cnt[i][2] = cnt[i-1][2];
    if(s[i-1]=='R') { cnt[i][0]++; ind[cnt[i][0]][0] = i; }
    else if(s[i-1]=='Y') { cnt[i][1]++; ind[cnt[i][1]][1] = i;}
    else { cnt[i][2]++; ind[cnt[i][2]][2] = i; }
  }
  long long fin = solve(0,0,0,3);
  cout<<(fin==1e9? -1:fin);
   return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 348 ms 1040280 KB Output is correct
2 Correct 319 ms 1040296 KB Output is correct
3 Correct 311 ms 1040332 KB Output is correct
4 Correct 311 ms 1040208 KB Output is correct
5 Correct 297 ms 1040208 KB Output is correct
6 Correct 297 ms 1040376 KB Output is correct
7 Correct 308 ms 1040320 KB Output is correct
8 Correct 297 ms 1040284 KB Output is correct
9 Correct 308 ms 1040580 KB Output is correct
10 Correct 294 ms 1040388 KB Output is correct
11 Correct 299 ms 1040224 KB Output is correct
12 Correct 295 ms 1040216 KB Output is correct
13 Correct 304 ms 1040244 KB Output is correct
14 Correct 295 ms 1040308 KB Output is correct
15 Correct 297 ms 1040312 KB Output is correct
16 Correct 307 ms 1040372 KB Output is correct
17 Correct 296 ms 1040400 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 348 ms 1040280 KB Output is correct
2 Correct 319 ms 1040296 KB Output is correct
3 Correct 311 ms 1040332 KB Output is correct
4 Correct 311 ms 1040208 KB Output is correct
5 Correct 297 ms 1040208 KB Output is correct
6 Correct 297 ms 1040376 KB Output is correct
7 Correct 308 ms 1040320 KB Output is correct
8 Correct 297 ms 1040284 KB Output is correct
9 Correct 308 ms 1040580 KB Output is correct
10 Correct 294 ms 1040388 KB Output is correct
11 Correct 299 ms 1040224 KB Output is correct
12 Correct 295 ms 1040216 KB Output is correct
13 Correct 304 ms 1040244 KB Output is correct
14 Correct 295 ms 1040308 KB Output is correct
15 Correct 297 ms 1040312 KB Output is correct
16 Correct 307 ms 1040372 KB Output is correct
17 Correct 296 ms 1040400 KB Output is correct
18 Correct 299 ms 1040816 KB Output is correct
19 Correct 296 ms 1040208 KB Output is correct
20 Correct 297 ms 1040468 KB Output is correct
21 Correct 293 ms 1040212 KB Output is correct
22 Correct 299 ms 1040360 KB Output is correct
23 Correct 299 ms 1040432 KB Output is correct
24 Correct 297 ms 1040328 KB Output is correct
25 Correct 299 ms 1040408 KB Output is correct
26 Correct 294 ms 1040212 KB Output is correct
27 Correct 297 ms 1040476 KB Output is correct
28 Correct 294 ms 1040208 KB Output is correct
29 Correct 293 ms 1040212 KB Output is correct
30 Correct 294 ms 1040328 KB Output is correct
31 Correct 295 ms 1040248 KB Output is correct
32 Correct 395 ms 1040204 KB Output is correct
33 Correct 296 ms 1040312 KB Output is correct
34 Correct 297 ms 1040372 KB Output is correct
35 Correct 296 ms 1040396 KB Output is correct
36 Correct 309 ms 1040360 KB Output is correct
37 Correct 303 ms 1040212 KB Output is correct
38 Correct 313 ms 1040720 KB Output is correct
39 Correct 301 ms 1040208 KB Output is correct
40 Correct 298 ms 1040212 KB Output is correct
41 Correct 300 ms 1040200 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 295 ms 1040364 KB Output is correct
2 Correct 300 ms 1040488 KB Output is correct
3 Correct 298 ms 1040344 KB Output is correct
4 Correct 300 ms 1040400 KB Output is correct
5 Correct 293 ms 1040284 KB Output is correct
6 Correct 313 ms 1040300 KB Output is correct
7 Correct 294 ms 1040328 KB Output is correct
8 Correct 312 ms 1040468 KB Output is correct
9 Correct 298 ms 1040352 KB Output is correct
10 Correct 305 ms 1040468 KB Output is correct
11 Correct 301 ms 1040684 KB Output is correct
12 Correct 300 ms 1040400 KB Output is correct
13 Correct 303 ms 1040468 KB Output is correct
14 Correct 308 ms 1040468 KB Output is correct
15 Correct 294 ms 1040480 KB Output is correct
16 Correct 310 ms 1040400 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 348 ms 1040280 KB Output is correct
2 Correct 319 ms 1040296 KB Output is correct
3 Correct 311 ms 1040332 KB Output is correct
4 Correct 311 ms 1040208 KB Output is correct
5 Correct 297 ms 1040208 KB Output is correct
6 Correct 297 ms 1040376 KB Output is correct
7 Correct 308 ms 1040320 KB Output is correct
8 Correct 297 ms 1040284 KB Output is correct
9 Correct 308 ms 1040580 KB Output is correct
10 Correct 294 ms 1040388 KB Output is correct
11 Correct 299 ms 1040224 KB Output is correct
12 Correct 295 ms 1040216 KB Output is correct
13 Correct 304 ms 1040244 KB Output is correct
14 Correct 295 ms 1040308 KB Output is correct
15 Correct 297 ms 1040312 KB Output is correct
16 Correct 307 ms 1040372 KB Output is correct
17 Correct 296 ms 1040400 KB Output is correct
18 Correct 299 ms 1040816 KB Output is correct
19 Correct 296 ms 1040208 KB Output is correct
20 Correct 297 ms 1040468 KB Output is correct
21 Correct 293 ms 1040212 KB Output is correct
22 Correct 299 ms 1040360 KB Output is correct
23 Correct 299 ms 1040432 KB Output is correct
24 Correct 297 ms 1040328 KB Output is correct
25 Correct 299 ms 1040408 KB Output is correct
26 Correct 294 ms 1040212 KB Output is correct
27 Correct 297 ms 1040476 KB Output is correct
28 Correct 294 ms 1040208 KB Output is correct
29 Correct 293 ms 1040212 KB Output is correct
30 Correct 294 ms 1040328 KB Output is correct
31 Correct 295 ms 1040248 KB Output is correct
32 Correct 395 ms 1040204 KB Output is correct
33 Correct 296 ms 1040312 KB Output is correct
34 Correct 297 ms 1040372 KB Output is correct
35 Correct 296 ms 1040396 KB Output is correct
36 Correct 309 ms 1040360 KB Output is correct
37 Correct 303 ms 1040212 KB Output is correct
38 Correct 313 ms 1040720 KB Output is correct
39 Correct 301 ms 1040208 KB Output is correct
40 Correct 298 ms 1040212 KB Output is correct
41 Correct 300 ms 1040200 KB Output is correct
42 Correct 295 ms 1040364 KB Output is correct
43 Correct 300 ms 1040488 KB Output is correct
44 Correct 298 ms 1040344 KB Output is correct
45 Correct 300 ms 1040400 KB Output is correct
46 Correct 293 ms 1040284 KB Output is correct
47 Correct 313 ms 1040300 KB Output is correct
48 Correct 294 ms 1040328 KB Output is correct
49 Correct 312 ms 1040468 KB Output is correct
50 Correct 298 ms 1040352 KB Output is correct
51 Correct 305 ms 1040468 KB Output is correct
52 Correct 301 ms 1040684 KB Output is correct
53 Correct 300 ms 1040400 KB Output is correct
54 Correct 303 ms 1040468 KB Output is correct
55 Correct 308 ms 1040468 KB Output is correct
56 Correct 294 ms 1040480 KB Output is correct
57 Correct 310 ms 1040400 KB Output is correct
58 Correct 403 ms 1040464 KB Output is correct
59 Correct 399 ms 1040356 KB Output is correct
60 Correct 407 ms 1040360 KB Output is correct
61 Correct 409 ms 1040488 KB Output is correct
62 Correct 298 ms 1040324 KB Output is correct
63 Correct 296 ms 1040464 KB Output is correct
64 Correct 320 ms 1040272 KB Output is correct
65 Correct 333 ms 1040364 KB Output is correct
66 Correct 402 ms 1040268 KB Output is correct
67 Correct 396 ms 1040488 KB Output is correct
68 Correct 412 ms 1040612 KB Output is correct
69 Correct 419 ms 1040484 KB Output is correct
70 Correct 401 ms 1040252 KB Output is correct
71 Correct 419 ms 1040480 KB Output is correct
72 Correct 307 ms 1040368 KB Output is correct
73 Correct 297 ms 1040460 KB Output is correct