oj.uz

Submission #1036355

# Submission time Handle Problem Language Result Execution time Memory
1036355 2024-07-27T09:44:35 Z Andrey Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 340 ms 757564 KB 
#include <bits/stdc++.h>
using namespace std;

vector<int> wut[3];
int pref[401][3];
int dp[401][401][401][3];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n;
    cin >> n;
    string s;
    cin >> s;
    for(int i = 0; i <= n; i++) {
        pref[i][0] = 0;
        pref[i][1] = 0;
        pref[i][2] = 0;
    }
    for(int i = 0; i <= n; i++) {
        for(int j = 0; j <= n; j++) {
            for(int k = 0; k <= n; k++) {
                dp[i][j][k][0] = INT_MAX/2;
                dp[i][j][k][1] = INT_MAX/2;
                dp[i][j][k][2] = INT_MAX/2;
            }
        }
    }
    for(int i = 1; i <= n; i++) {
        int c;
        if(s[i-1] == 'R') {
            c = 0;
        }
        else if(s[i-1] == 'G') {
            c = 1;
        }
        else {
            c = 2;
        }
        pref[i][c]++;
        wut[c].push_back(i);
    }
    for(int i = 1; i <= n; i++) {
        pref[i][0]+=pref[i-1][0];
        pref[i][1]+=pref[i-1][1];
        pref[i][2]+=pref[i-1][2];
    }
    dp[0][0][0][0] = 0;
    dp[0][0][0][1] = 0;
    dp[0][0][0][2] = 0;
    int ans = INT_MAX;
    for(int i = 0; i <= n; i++) {
        for(int j = 0; j <= n; j++) {
            for(int k = 0; k <= n; k++) {
                if(i+j+k == 0 || i+j+k > n) {
                    continue;
                }
                if(i > wut[0].size() || j > wut[1].size() || k > wut[2].size()) {
                    continue;
                }
                dp[i][j][k][0] = INT_MAX/2;
                dp[i][j][k][1] = INT_MAX/2;
                dp[i][j][k][2] = INT_MAX/2;
                int y = i+j+k;
                if(i > 0) {
                    int p = wut[0][i-1];
                    int c = p;
                    p+=max(0,j-pref[c][1]);
                    p+=max(0,k-pref[c][2]);
                    dp[i][j][k][0] = min(dp[i][j][k][0],dp[i-1][j][k][1]+p-y);
                    dp[i][j][k][0] = min(dp[i][j][k][0],dp[i-1][j][k][2]+p-y);
                }
                if(j > 0) {
                    int p = wut[1][j-1];
                    int c = p;
                    p+=max(0,i-pref[c][0]);
                    p+=max(0,k-pref[c][2]);
                    dp[i][j][k][1] = min(dp[i][j][k][1],dp[i][j-1][k][0]+p-y);
                    dp[i][j][k][1] = min(dp[i][j][k][1],dp[i][j-1][k][2]+p-y);
                }
                if(k > 0) {
                    int p = wut[2][k-1];
                    int c = p;
                    p+=max(0,i-pref[c][0]);
                    p+=max(0,j-pref[c][1]);
                    dp[i][j][k][2] = min(dp[i][j][k][2],dp[i][j][k-1][0]+p-y);
                    dp[i][j][k][2] = min(dp[i][j][k][2],dp[i][j][k-1][1]+p-y);
                }
                if(i+j+k == n) {
                    ans = min(ans,dp[i][j][k][0]);
                    ans = min(ans,dp[i][j][k][1]);
                    ans = min(ans,dp[i][j][k][2]);
                }
            }
        }
    }
    if(ans > n*n) {
        cout << -1;
    }
    else {
        cout << ans;
    }
    return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:60:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |                 if(i > wut[0].size() || j > wut[1].size() || k > wut[2].size()) {
      |                    ~~^~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:60:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |                 if(i > wut[0].size() || j > wut[1].size() || k > wut[2].size()) {
      |                                         ~~^~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:60:64: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |                 if(i > wut[0].size() || j > wut[1].size() || k > wut[2].size()) {
      |                                                              ~~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct
6 Correct 1 ms 1484 KB Output is correct
7 Correct 1 ms 1372 KB Output is correct
8 Correct 1 ms 1372 KB Output is correct
9 Correct 1 ms 1372 KB Output is correct
10 Correct 1 ms 1372 KB Output is correct
11 Correct 1 ms 1372 KB Output is correct
12 Correct 1 ms 1372 KB Output is correct
13 Correct 1 ms 1372 KB Output is correct
14 Correct 1 ms 1400 KB Output is correct
15 Correct 1 ms 1372 KB Output is correct
16 Correct 1 ms 1372 KB Output is correct
17 Correct 0 ms 1372 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct
6 Correct 1 ms 1484 KB Output is correct
7 Correct 1 ms 1372 KB Output is correct
8 Correct 1 ms 1372 KB Output is correct
9 Correct 1 ms 1372 KB Output is correct
10 Correct 1 ms 1372 KB Output is correct
11 Correct 1 ms 1372 KB Output is correct
12 Correct 1 ms 1372 KB Output is correct
13 Correct 1 ms 1372 KB Output is correct
14 Correct 1 ms 1400 KB Output is correct
15 Correct 1 ms 1372 KB Output is correct
16 Correct 1 ms 1372 KB Output is correct
17 Correct 0 ms 1372 KB Output is correct
18 Correct 7 ms 18012 KB Output is correct
19 Correct 6 ms 18012 KB Output is correct
20 Correct 7 ms 18012 KB Output is correct
21 Correct 6 ms 18012 KB Output is correct
22 Correct 8 ms 18012 KB Output is correct
23 Correct 7 ms 18012 KB Output is correct
24 Correct 7 ms 18160 KB Output is correct
25 Correct 6 ms 18056 KB Output is correct
26 Correct 6 ms 18012 KB Output is correct
27 Correct 7 ms 18008 KB Output is correct
28 Correct 7 ms 18008 KB Output is correct
29 Correct 6 ms 18136 KB Output is correct
30 Correct 7 ms 18008 KB Output is correct
31 Correct 7 ms 18008 KB Output is correct
32 Correct 8 ms 18012 KB Output is correct
33 Correct 6 ms 17500 KB Output is correct
34 Correct 7 ms 17500 KB Output is correct
35 Correct 6 ms 16796 KB Output is correct
36 Correct 6 ms 17500 KB Output is correct
37 Correct 6 ms 16220 KB Output is correct
38 Correct 6 ms 18072 KB Output is correct
39 Correct 7 ms 18012 KB Output is correct
40 Correct 6 ms 17460 KB Output is correct
41 Correct 7 ms 18012 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 316 ms 757320 KB Output is correct
3 Correct 317 ms 755300 KB Output is correct
4 Correct 300 ms 757328 KB Output is correct
5 Correct 313 ms 757396 KB Output is correct
6 Correct 337 ms 757564 KB Output is correct
7 Correct 313 ms 755624 KB Output is correct
8 Correct 312 ms 755284 KB Output is correct
9 Correct 328 ms 751624 KB Output is correct
10 Correct 329 ms 757552 KB Output is correct
11 Correct 325 ms 757460 KB Output is correct
12 Correct 76 ms 202840 KB Output is correct
13 Correct 136 ms 357456 KB Output is correct
14 Correct 215 ms 517556 KB Output is correct
15 Correct 325 ms 757332 KB Output is correct
16 Correct 310 ms 757456 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct
6 Correct 1 ms 1484 KB Output is correct
7 Correct 1 ms 1372 KB Output is correct
8 Correct 1 ms 1372 KB Output is correct
9 Correct 1 ms 1372 KB Output is correct
10 Correct 1 ms 1372 KB Output is correct
11 Correct 1 ms 1372 KB Output is correct
12 Correct 1 ms 1372 KB Output is correct
13 Correct 1 ms 1372 KB Output is correct
14 Correct 1 ms 1400 KB Output is correct
15 Correct 1 ms 1372 KB Output is correct
16 Correct 1 ms 1372 KB Output is correct
17 Correct 0 ms 1372 KB Output is correct
18 Correct 7 ms 18012 KB Output is correct
19 Correct 6 ms 18012 KB Output is correct
20 Correct 7 ms 18012 KB Output is correct
21 Correct 6 ms 18012 KB Output is correct
22 Correct 8 ms 18012 KB Output is correct
23 Correct 7 ms 18012 KB Output is correct
24 Correct 7 ms 18160 KB Output is correct
25 Correct 6 ms 18056 KB Output is correct
26 Correct 6 ms 18012 KB Output is correct
27 Correct 7 ms 18008 KB Output is correct
28 Correct 7 ms 18008 KB Output is correct
29 Correct 6 ms 18136 KB Output is correct
30 Correct 7 ms 18008 KB Output is correct
31 Correct 7 ms 18008 KB Output is correct
32 Correct 8 ms 18012 KB Output is correct
33 Correct 6 ms 17500 KB Output is correct
34 Correct 7 ms 17500 KB Output is correct
35 Correct 6 ms 16796 KB Output is correct
36 Correct 6 ms 17500 KB Output is correct
37 Correct 6 ms 16220 KB Output is correct
38 Correct 6 ms 18072 KB Output is correct
39 Correct 7 ms 18012 KB Output is correct
40 Correct 6 ms 17460 KB Output is correct
41 Correct 7 ms 18012 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 316 ms 757320 KB Output is correct
44 Correct 317 ms 755300 KB Output is correct
45 Correct 300 ms 757328 KB Output is correct
46 Correct 313 ms 757396 KB Output is correct
47 Correct 337 ms 757564 KB Output is correct
48 Correct 313 ms 755624 KB Output is correct
49 Correct 312 ms 755284 KB Output is correct
50 Correct 328 ms 751624 KB Output is correct
51 Correct 329 ms 757552 KB Output is correct
52 Correct 325 ms 757460 KB Output is correct
53 Correct 76 ms 202840 KB Output is correct
54 Correct 136 ms 357456 KB Output is correct
55 Correct 215 ms 517556 KB Output is correct
56 Correct 325 ms 757332 KB Output is correct
57 Correct 310 ms 757456 KB Output is correct
58 Correct 324 ms 757328 KB Output is correct
59 Correct 321 ms 757332 KB Output is correct
60 Correct 305 ms 751444 KB Output is correct
61 Correct 328 ms 755280 KB Output is correct
62 Correct 323 ms 757332 KB Output is correct
63 Correct 325 ms 757456 KB Output is correct
64 Correct 330 ms 757368 KB Output is correct
65 Correct 318 ms 755396 KB Output is correct
66 Correct 327 ms 747860 KB Output is correct
67 Correct 323 ms 757332 KB Output is correct
68 Correct 336 ms 755376 KB Output is correct
69 Correct 325 ms 757508 KB Output is correct
70 Correct 340 ms 757332 KB Output is correct
71 Correct 329 ms 755272 KB Output is correct
72 Correct 329 ms 755284 KB Output is correct
73 Correct 321 ms 757328 KB Output is correct