oj.uz

Submission #366089

# Submission time Handle Problem Language Result Execution time Memory
366089 2021-02-13T04:52:16 Z dolphingarlic Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
0 / 100
 96 ms 162948 KB 
#include <bits/stdc++.h>
using namespace std;

const int INF = 1e9;

vector<int> has[4];
int dp[401][401][401][4];

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++) {
        char c;
        cin >> c;
        if (c == 'R') has[1].push_back(i);
        if (c == 'G') has[2].push_back(i);
        if (c == 'Y') has[3].push_back(i);
    }
    dp[0][0][0][1] = dp[0][0][0][2] = dp[0][0][0][3] = 0;
    for (int i = 0; i <= has[1].size(); i++)
        for (int j = 0; j <= has[2].size(); j++)
            for (int k = 0; k <= has[3].size(); k++) {
                if (i || j || k) dp[i][j][k][1] = dp[i][j][k][2] = dp[i][j][k][3] = INF;
                int tot = i + j + k;
                if (i) dp[i][j][k][1] = min(dp[i - 1][j][k][2], dp[i - 1][j][k][3]) + abs(has[1][i - 1] - tot);
                if (j) dp[i][j][k][2] = min(dp[i][j - 1][k][1], dp[i][j - 1][k][3]) + abs(has[2][j - 1] - tot);
                if (k) dp[i][j][k][3] = min(dp[i][j][k - 1][1], dp[i][j][k - 1][2]) + abs(has[3][k - 1] - tot);
            }
    int ans = *min_element(dp[has[1].size()][has[2].size()][has[3].size()] + 1, dp[has[1].size()][has[2].size()][has[3].size()] + 4);
    if (ans > INF) cout << -1;
    else cout << ans / 2;
    return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:21:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for (int i = 0; i <= has[1].size(); i++)
      |                     ~~^~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:22:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |         for (int j = 0; j <= has[2].size(); j++)
      |                         ~~^~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:23:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |             for (int k = 0; k <= has[3].size(); k++) {
      |                             ~~^~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Incorrect 1 ms 620 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #2
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Incorrect 1 ms 620 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 83 ms 162924 KB Output is correct
3 Correct 92 ms 162356 KB Output is correct
4 Correct 83 ms 162948 KB Output is correct
5 Correct 82 ms 162924 KB Output is correct
6 Correct 86 ms 162924 KB Output is correct
7 Correct 96 ms 162156 KB Output is correct
8 Correct 83 ms 162156 KB Output is correct
9 Correct 82 ms 161260 KB Output is correct
10 Correct 83 ms 162924 KB Output is correct
11 Correct 85 ms 162924 KB Output is correct
12 Correct 23 ms 44144 KB Output is correct
13 Correct 40 ms 77164 KB Output is correct
14 Correct 57 ms 111340 KB Output is correct
15 Incorrect 83 ms 162924 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Incorrect 1 ms 620 KB Output isn't correct
11 Halted 0 ms 0 KB -