#include <bits/stdc++.h>
#define FR(i, N) for (int i = 0; i < int(N); i++)
#define all(x) begin(x), end(x)
using namespace std;
using ll = long long;
const int MAXN = 400;
//int dp[MAXN][MAXN][MAXN][3];
int plc[3][MAXN];
int ft[MAXN][3];
int cnt[3];
int INF = (int)(1e8);
int main() {
cin.tie(0);
cin.sync_with_stdio(0);
int N;
cin >> N;
FR(i, N) {
char a;
cin >> a;
int d = (a == 'R' ? 0 : (a == 'G' ? 1 : 2));
cnt[d]++;
plc[d][cnt[d]] = i;
copy(all(cnt), begin(ft[i]));
}
int dp[cnt[0]+1][cnt[1]+1][cnt[2]+1][3];
fill(all(dp[0][0][0]), 0);
for (int i = 0; i <= cnt[0]; i++) {
for (int j = 0; j <= cnt[1]; j++) {
for (int k = 0; k <= cnt[2]; k++) {
for (int z = 0; z <= 2; z++) {
if (i == 0 && j == 0 && k == 0) {
dp[i][j][k][z] = 0;
}
else {
dp[i][j][k][z] = INF;
if (z == 0) {
if (i != 0) {
dp[i][j][k][z] = min(dp[i-1][j][k][1], dp[i-1][j][k][2]) + max(0, ft[plc[0][i]][1] - j) + max(0, ft[plc[0][i]][2] - k);
}
}
else if (z == 1) {
if (j != 0) {
dp[i][j][k][z] = min(dp[i][j-1][k][0], dp[i][j-1][k][2]) + max(0, ft[plc[1][j]][0] - i) + max(0, ft[plc[1][j]][2] - k);
}
}
else {
if (k != 0) {
dp[i][j][k][z] = min(dp[i][j][k-1][0], dp[i][j][k-1][1]) + max(0, ft[plc[2][k]][0] - i) + max(0, ft[plc[2][k]][1] - j);
}
}
// cout << i << " " << j << " " << k << " " << z << ": " <<dp[i][j][k][z] << '\n';
}
}
}
}
}
cout << (*min_element(all(dp[cnt[0]][cnt[1]][cnt[2]])) >= INF ? -1 : *min_element(all(dp[cnt[0]][cnt[1]][cnt[2]]))) << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
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 |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
492 KB |
Output is correct |
19 |
Correct |
1 ms |
492 KB |
Output is correct |
20 |
Correct |
1 ms |
492 KB |
Output is correct |
21 |
Correct |
1 ms |
492 KB |
Output is correct |
22 |
Correct |
1 ms |
492 KB |
Output is correct |
23 |
Correct |
1 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
372 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
1 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
512 KB |
Output is correct |
37 |
Correct |
1 ms |
364 KB |
Output is correct |
38 |
Correct |
1 ms |
492 KB |
Output is correct |
39 |
Correct |
1 ms |
492 KB |
Output is correct |
40 |
Correct |
1 ms |
364 KB |
Output is correct |
41 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
2 ms |
892 KB |
Output is correct |
3 |
Correct |
2 ms |
748 KB |
Output is correct |
4 |
Correct |
1 ms |
748 KB |
Output is correct |
5 |
Correct |
2 ms |
748 KB |
Output is correct |
6 |
Correct |
1 ms |
748 KB |
Output is correct |
7 |
Correct |
1 ms |
748 KB |
Output is correct |
8 |
Correct |
2 ms |
748 KB |
Output is correct |
9 |
Correct |
1 ms |
748 KB |
Output is correct |
10 |
Correct |
1 ms |
748 KB |
Output is correct |
11 |
Correct |
2 ms |
748 KB |
Output is correct |
12 |
Correct |
1 ms |
492 KB |
Output is correct |
13 |
Correct |
1 ms |
620 KB |
Output is correct |
14 |
Correct |
1 ms |
620 KB |
Output is correct |
15 |
Correct |
1 ms |
748 KB |
Output is correct |
16 |
Correct |
1 ms |
748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
492 KB |
Output is correct |
19 |
Correct |
1 ms |
492 KB |
Output is correct |
20 |
Correct |
1 ms |
492 KB |
Output is correct |
21 |
Correct |
1 ms |
492 KB |
Output is correct |
22 |
Correct |
1 ms |
492 KB |
Output is correct |
23 |
Correct |
1 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
372 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
1 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
512 KB |
Output is correct |
37 |
Correct |
1 ms |
364 KB |
Output is correct |
38 |
Correct |
1 ms |
492 KB |
Output is correct |
39 |
Correct |
1 ms |
492 KB |
Output is correct |
40 |
Correct |
1 ms |
364 KB |
Output is correct |
41 |
Correct |
1 ms |
364 KB |
Output is correct |
42 |
Correct |
1 ms |
364 KB |
Output is correct |
43 |
Correct |
2 ms |
892 KB |
Output is correct |
44 |
Correct |
2 ms |
748 KB |
Output is correct |
45 |
Correct |
1 ms |
748 KB |
Output is correct |
46 |
Correct |
2 ms |
748 KB |
Output is correct |
47 |
Correct |
1 ms |
748 KB |
Output is correct |
48 |
Correct |
1 ms |
748 KB |
Output is correct |
49 |
Correct |
2 ms |
748 KB |
Output is correct |
50 |
Correct |
1 ms |
748 KB |
Output is correct |
51 |
Correct |
1 ms |
748 KB |
Output is correct |
52 |
Correct |
2 ms |
748 KB |
Output is correct |
53 |
Correct |
1 ms |
492 KB |
Output is correct |
54 |
Correct |
1 ms |
620 KB |
Output is correct |
55 |
Correct |
1 ms |
620 KB |
Output is correct |
56 |
Correct |
1 ms |
748 KB |
Output is correct |
57 |
Correct |
1 ms |
748 KB |
Output is correct |
58 |
Correct |
40 ms |
28524 KB |
Output is correct |
59 |
Correct |
41 ms |
28556 KB |
Output is correct |
60 |
Correct |
41 ms |
28268 KB |
Output is correct |
61 |
Correct |
42 ms |
28524 KB |
Output is correct |
62 |
Correct |
4 ms |
2668 KB |
Output is correct |
63 |
Correct |
9 ms |
4460 KB |
Output is correct |
64 |
Correct |
21 ms |
14188 KB |
Output is correct |
65 |
Correct |
30 ms |
20332 KB |
Output is correct |
66 |
Correct |
40 ms |
28140 KB |
Output is correct |
67 |
Correct |
39 ms |
28140 KB |
Output is correct |
68 |
Correct |
41 ms |
28620 KB |
Output is correct |
69 |
Correct |
41 ms |
28780 KB |
Output is correct |
70 |
Correct |
41 ms |
28716 KB |
Output is correct |
71 |
Correct |
51 ms |
28140 KB |
Output is correct |
72 |
Correct |
14 ms |
7552 KB |
Output is correct |
73 |
Correct |
4 ms |
2156 KB |
Output is correct |