oj.uz

답안 #1066947

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1066947 2024-08-20T09:00:03 Z Minbaev Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 413 ms 757524 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

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 860 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1372 KB Output is correct
7 Correct 1 ms 1372 KB Output is correct
8 Correct 1 ms 1484 KB Output is correct
9 Correct 1 ms 1488 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 1372 KB Output is correct
15 Correct 1 ms 1484 KB Output is correct
16 Correct 1 ms 1372 KB Output is correct
17 Correct 1 ms 1372 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 860 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1372 KB Output is correct
7 Correct 1 ms 1372 KB Output is correct
8 Correct 1 ms 1484 KB Output is correct
9 Correct 1 ms 1488 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 1372 KB Output is correct
15 Correct 1 ms 1484 KB Output is correct
16 Correct 1 ms 1372 KB Output is correct
17 Correct 1 ms 1372 KB Output is correct
18 Correct 8 ms 17944 KB Output is correct
19 Correct 8 ms 18124 KB Output is correct
20 Correct 7 ms 18012 KB Output is correct
21 Correct 8 ms 18012 KB Output is correct
22 Correct 7 ms 18008 KB Output is correct
23 Correct 7 ms 18012 KB Output is correct
24 Correct 6 ms 18012 KB Output is correct
25 Correct 6 ms 18012 KB Output is correct
26 Correct 9 ms 18012 KB Output is correct
27 Correct 8 ms 17992 KB Output is correct
28 Correct 8 ms 18012 KB Output is correct
29 Correct 7 ms 17944 KB Output is correct
30 Correct 8 ms 18008 KB Output is correct
31 Correct 7 ms 18012 KB Output is correct
32 Correct 7 ms 18012 KB Output is correct
33 Correct 8 ms 17372 KB Output is correct
34 Correct 7 ms 17500 KB Output is correct
35 Correct 7 ms 16804 KB Output is correct
36 Correct 7 ms 17360 KB Output is correct
37 Correct 8 ms 16336 KB Output is correct
38 Correct 7 ms 18012 KB Output is correct
39 Correct 9 ms 17956 KB Output is correct
40 Correct 7 ms 17496 KB Output is correct
41 Correct 6 ms 18132 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 364 ms 757524 KB Output is correct
3 Correct 362 ms 755284 KB Output is correct
4 Correct 353 ms 757332 KB Output is correct
5 Correct 413 ms 757324 KB Output is correct
6 Correct 401 ms 757368 KB Output is correct
7 Correct 350 ms 755240 KB Output is correct
8 Correct 328 ms 755276 KB Output is correct
9 Correct 388 ms 751480 KB Output is correct
10 Correct 349 ms 757324 KB Output is correct
11 Correct 347 ms 757340 KB Output is correct
12 Correct 80 ms 202892 KB Output is correct
13 Correct 145 ms 357396 KB Output is correct
14 Correct 229 ms 517460 KB Output is correct
15 Correct 353 ms 757328 KB Output is correct
16 Correct 334 ms 757332 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 860 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1372 KB Output is correct
7 Correct 1 ms 1372 KB Output is correct
8 Correct 1 ms 1484 KB Output is correct
9 Correct 1 ms 1488 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 1372 KB Output is correct
15 Correct 1 ms 1484 KB Output is correct
16 Correct 1 ms 1372 KB Output is correct
17 Correct 1 ms 1372 KB Output is correct
18 Correct 8 ms 17944 KB Output is correct
19 Correct 8 ms 18124 KB Output is correct
20 Correct 7 ms 18012 KB Output is correct
21 Correct 8 ms 18012 KB Output is correct
22 Correct 7 ms 18008 KB Output is correct
23 Correct 7 ms 18012 KB Output is correct
24 Correct 6 ms 18012 KB Output is correct
25 Correct 6 ms 18012 KB Output is correct
26 Correct 9 ms 18012 KB Output is correct
27 Correct 8 ms 17992 KB Output is correct
28 Correct 8 ms 18012 KB Output is correct
29 Correct 7 ms 17944 KB Output is correct
30 Correct 8 ms 18008 KB Output is correct
31 Correct 7 ms 18012 KB Output is correct
32 Correct 7 ms 18012 KB Output is correct
33 Correct 8 ms 17372 KB Output is correct
34 Correct 7 ms 17500 KB Output is correct
35 Correct 7 ms 16804 KB Output is correct
36 Correct 7 ms 17360 KB Output is correct
37 Correct 8 ms 16336 KB Output is correct
38 Correct 7 ms 18012 KB Output is correct
39 Correct 9 ms 17956 KB Output is correct
40 Correct 7 ms 17496 KB Output is correct
41 Correct 6 ms 18132 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 364 ms 757524 KB Output is correct
44 Correct 362 ms 755284 KB Output is correct
45 Correct 353 ms 757332 KB Output is correct
46 Correct 413 ms 757324 KB Output is correct
47 Correct 401 ms 757368 KB Output is correct
48 Correct 350 ms 755240 KB Output is correct
49 Correct 328 ms 755276 KB Output is correct
50 Correct 388 ms 751480 KB Output is correct
51 Correct 349 ms 757324 KB Output is correct
52 Correct 347 ms 757340 KB Output is correct
53 Correct 80 ms 202892 KB Output is correct
54 Correct 145 ms 357396 KB Output is correct
55 Correct 229 ms 517460 KB Output is correct
56 Correct 353 ms 757328 KB Output is correct
57 Correct 334 ms 757332 KB Output is correct
58 Correct 382 ms 757328 KB Output is correct
59 Correct 360 ms 757328 KB Output is correct
60 Correct 352 ms 751444 KB Output is correct
61 Correct 355 ms 755284 KB Output is correct
62 Correct 348 ms 757380 KB Output is correct
63 Correct 349 ms 757332 KB Output is correct
64 Correct 362 ms 757332 KB Output is correct
65 Correct 364 ms 755180 KB Output is correct
66 Correct 338 ms 747860 KB Output is correct
67 Correct 338 ms 757332 KB Output is correct
68 Correct 351 ms 755344 KB Output is correct
69 Correct 349 ms 757332 KB Output is correct
70 Correct 368 ms 757408 KB Output is correct
71 Correct 356 ms 755288 KB Output is correct
72 Correct 344 ms 755280 KB Output is correct
73 Correct 317 ms 757336 KB Output is correct