oj.uz

Submission #212499

# Submission time Handle Problem Language Result Execution time Memory
212499 2020-03-23T09:04:47 Z PeppaPig Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 105 ms 194312 KB 
#include <bits/stdc++.h>

#define iii tuple<int, int, int>

using namespace std;

const int N = 405;

int n;
int cnt[3], dp[3][N][N][N];
char A[N];
vector<iii> vec[3];

int f(char c) {
    if(c == 'R') return 0;
    if(c == 'G') return 1;
    return 2;
}

int cost(int c, iii a, iii b) {
    int ret = 0;
    if(c != 0) ret += max(0, get<0>(b) - get<0>(a));
    if(c != 1) ret += max(0, get<1>(b) - get<1>(a));
    if(c != 2) ret += max(0, get<2>(b) - get<2>(a));
    return ret;
}

int main() {
    scanf("%d %s", &n, A + 1);
    for(int i = 1; i <= n; i++) {
        ++cnt[f(A[i])]; 
        vec[f(A[i])].emplace_back(cnt[0], cnt[1], cnt[2]);
    }

    int R = cnt[0], G = cnt[1], Y = cnt[2];
    for(int i = 0; i <= R; i++) for(int j = 0; j <= G; j++) for(int k = 0; k <= Y; k++) {
        if(!i && !j && !k) continue;
        dp[0][i][j][k] = dp[1][i][j][k] = dp[2][i][j][k] = 1e9;
        if(i) dp[0][i][j][k] = min(dp[1][i-1][j][k], dp[2][i-1][j][k]) + cost(0, vec[0][i-1], {i, j, k});
        if(j) dp[1][i][j][k] = min(dp[0][i][j-1][k], dp[2][i][j-1][k]) + cost(1, vec[1][j-1], {i, j, k});
        if(k) dp[2][i][j][k] = min(dp[0][i][j][k-1], dp[1][i][j][k-1]) + cost(2, vec[2][k-1], {i, j, k});
    }
    int ans = 1e9;
    for(int i = 0; i < 3; i++) ans = min(ans, dp[i][R][G][Y]);
    if(ans == 1e9) printf("-1\n");
    else printf("%d\n", ans);

    return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:29:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %s", &n, A + 1);
     ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 512 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 5 ms 640 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 512 KB Output is correct
17 Correct 4 ms 384 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 512 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 5 ms 640 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 512 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 5 ms 2304 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2816 KB Output is correct
22 Correct 7 ms 2048 KB Output is correct
23 Correct 5 ms 2432 KB Output is correct
24 Correct 5 ms 1920 KB Output is correct
25 Correct 6 ms 4736 KB Output is correct
26 Correct 7 ms 5120 KB Output is correct
27 Correct 6 ms 3712 KB Output is correct
28 Correct 6 ms 2816 KB Output is correct
29 Correct 6 ms 2688 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 6 ms 2304 KB Output is correct
32 Correct 6 ms 2816 KB Output is correct
33 Correct 6 ms 4736 KB Output is correct
34 Correct 6 ms 4224 KB Output is correct
35 Correct 6 ms 3200 KB Output is correct
36 Correct 5 ms 2304 KB Output is correct
37 Correct 5 ms 2048 KB Output is correct
38 Correct 5 ms 2432 KB Output is correct
39 Correct 6 ms 2816 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 5 ms 2560 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 86 ms 194296 KB Output is correct
3 Correct 86 ms 193276 KB Output is correct
4 Correct 86 ms 194296 KB Output is correct
5 Correct 91 ms 194296 KB Output is correct
6 Correct 102 ms 194312 KB Output is correct
7 Correct 89 ms 193272 KB Output is correct
8 Correct 92 ms 193400 KB Output is correct
9 Correct 87 ms 192376 KB Output is correct
10 Correct 94 ms 194296 KB Output is correct
11 Correct 92 ms 194296 KB Output is correct
12 Correct 29 ms 52856 KB Output is correct
13 Correct 45 ms 92280 KB Output is correct
14 Correct 63 ms 132856 KB Output is correct
15 Correct 90 ms 194296 KB Output is correct
16 Correct 93 ms 194296 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 512 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 5 ms 640 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 512 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 5 ms 2304 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2816 KB Output is correct
22 Correct 7 ms 2048 KB Output is correct
23 Correct 5 ms 2432 KB Output is correct
24 Correct 5 ms 1920 KB Output is correct
25 Correct 6 ms 4736 KB Output is correct
26 Correct 7 ms 5120 KB Output is correct
27 Correct 6 ms 3712 KB Output is correct
28 Correct 6 ms 2816 KB Output is correct
29 Correct 6 ms 2688 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 6 ms 2304 KB Output is correct
32 Correct 6 ms 2816 KB Output is correct
33 Correct 6 ms 4736 KB Output is correct
34 Correct 6 ms 4224 KB Output is correct
35 Correct 6 ms 3200 KB Output is correct
36 Correct 5 ms 2304 KB Output is correct
37 Correct 5 ms 2048 KB Output is correct
38 Correct 5 ms 2432 KB Output is correct
39 Correct 6 ms 2816 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 5 ms 2560 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 86 ms 194296 KB Output is correct
44 Correct 86 ms 193276 KB Output is correct
45 Correct 86 ms 194296 KB Output is correct
46 Correct 91 ms 194296 KB Output is correct
47 Correct 102 ms 194312 KB Output is correct
48 Correct 89 ms 193272 KB Output is correct
49 Correct 92 ms 193400 KB Output is correct
50 Correct 87 ms 192376 KB Output is correct
51 Correct 94 ms 194296 KB Output is correct
52 Correct 92 ms 194296 KB Output is correct
53 Correct 29 ms 52856 KB Output is correct
54 Correct 45 ms 92280 KB Output is correct
55 Correct 63 ms 132856 KB Output is correct
56 Correct 90 ms 194296 KB Output is correct
57 Correct 93 ms 194296 KB Output is correct
58 Correct 51 ms 77176 KB Output is correct
59 Correct 61 ms 97784 KB Output is correct
60 Correct 57 ms 88952 KB Output is correct
61 Correct 55 ms 86008 KB Output is correct
62 Correct 88 ms 189432 KB Output is correct
63 Correct 105 ms 186616 KB Output is correct
64 Correct 87 ms 163064 KB Output is correct
65 Correct 76 ms 141944 KB Output is correct
66 Correct 56 ms 87232 KB Output is correct
67 Correct 54 ms 83832 KB Output is correct
68 Correct 56 ms 89848 KB Output is correct
69 Correct 68 ms 86648 KB Output is correct
70 Correct 58 ms 93692 KB Output is correct
71 Correct 56 ms 85240 KB Output is correct
72 Correct 28 ms 44032 KB Output is correct
73 Correct 6 ms 2944 KB Output is correct