#include <bits/stdc++.h>
using namespace std;
char S[444];
int dp[444][444][444][3];
int RG[444], RY[444], GY[444], GR[444], YR[444], YG[444];
int n, r, g, y;
int main()
{
int i, j, k;
scanf("%d%s", &n, S);
for(i=0; i<n; i++){
if(S[i] == 'R') RG[++r] = g ,RY[r] = y;
else if(S[i] == 'G') GY[++g] = y, GR[g] = r;
else YR[++y] = r, YG[y] = g;
}
for(i=0; i<=r; i++){
for(j=0; j<=g; j++){
for(k=0; k<=y; k++){
dp[i][j][k][0] = i? min(dp[i - 1][j][k][1], dp[i - 1][j][k][2]) + max(0, RG[i] - j) + max(0, RY[i] - k) : (i + j + k != 0) * 1e9;
dp[i][j][k][1] = j? min(dp[i][j - 1][k][2], dp[i][j - 1][k][0]) + max(0, GY[j] - k) + max(0, GR[j] - i) : (i + j + k != 0) * 1e9;
dp[i][j][k][2] = k? min(dp[i][j][k - 1][0], dp[i][j][k - 1][1]) + max(0, YR[k] - i) + max(0, YG[k] - j) : (i + j + k != 0) * 1e9;
}
}
}
k = min(min(dp[r][g][y][0], dp[r][g][y][1]), dp[r][g][y][2]);
printf("%d\n", k < 1e9? k : -1);
return 0;
}
Compilation message
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%s", &n, S);
~~~~~^~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
512 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
2 ms |
512 KB |
Output is correct |
9 |
Correct |
2 ms |
640 KB |
Output is correct |
10 |
Correct |
3 ms |
640 KB |
Output is correct |
11 |
Correct |
5 ms |
512 KB |
Output is correct |
12 |
Correct |
2 ms |
512 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
512 KB |
Output is correct |
15 |
Correct |
2 ms |
512 KB |
Output is correct |
16 |
Correct |
2 ms |
512 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
512 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
2 ms |
512 KB |
Output is correct |
9 |
Correct |
2 ms |
640 KB |
Output is correct |
10 |
Correct |
3 ms |
640 KB |
Output is correct |
11 |
Correct |
5 ms |
512 KB |
Output is correct |
12 |
Correct |
2 ms |
512 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
512 KB |
Output is correct |
15 |
Correct |
2 ms |
512 KB |
Output is correct |
16 |
Correct |
2 ms |
512 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
3 ms |
2432 KB |
Output is correct |
19 |
Correct |
3 ms |
1920 KB |
Output is correct |
20 |
Correct |
3 ms |
2304 KB |
Output is correct |
21 |
Correct |
3 ms |
2432 KB |
Output is correct |
22 |
Correct |
3 ms |
1792 KB |
Output is correct |
23 |
Correct |
3 ms |
2176 KB |
Output is correct |
24 |
Correct |
3 ms |
1792 KB |
Output is correct |
25 |
Correct |
4 ms |
3972 KB |
Output is correct |
26 |
Correct |
4 ms |
4224 KB |
Output is correct |
27 |
Correct |
3 ms |
3072 KB |
Output is correct |
28 |
Correct |
3 ms |
2304 KB |
Output is correct |
29 |
Correct |
3 ms |
2304 KB |
Output is correct |
30 |
Correct |
4 ms |
2304 KB |
Output is correct |
31 |
Correct |
3 ms |
2048 KB |
Output is correct |
32 |
Correct |
3 ms |
2432 KB |
Output is correct |
33 |
Correct |
4 ms |
3968 KB |
Output is correct |
34 |
Correct |
5 ms |
3584 KB |
Output is correct |
35 |
Correct |
3 ms |
2688 KB |
Output is correct |
36 |
Correct |
3 ms |
1920 KB |
Output is correct |
37 |
Correct |
3 ms |
1764 KB |
Output is correct |
38 |
Correct |
3 ms |
2176 KB |
Output is correct |
39 |
Correct |
4 ms |
2304 KB |
Output is correct |
40 |
Correct |
2 ms |
512 KB |
Output is correct |
41 |
Correct |
3 ms |
2348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
111 ms |
162776 KB |
Output is correct |
3 |
Correct |
109 ms |
162168 KB |
Output is correct |
4 |
Correct |
107 ms |
162808 KB |
Output is correct |
5 |
Correct |
112 ms |
162776 KB |
Output is correct |
6 |
Correct |
108 ms |
162824 KB |
Output is correct |
7 |
Correct |
108 ms |
162056 KB |
Output is correct |
8 |
Correct |
109 ms |
162064 KB |
Output is correct |
9 |
Correct |
109 ms |
161272 KB |
Output is correct |
10 |
Correct |
108 ms |
162808 KB |
Output is correct |
11 |
Correct |
107 ms |
162808 KB |
Output is correct |
12 |
Correct |
31 ms |
44152 KB |
Output is correct |
13 |
Correct |
53 ms |
77148 KB |
Output is correct |
14 |
Correct |
75 ms |
111352 KB |
Output is correct |
15 |
Correct |
105 ms |
162808 KB |
Output is correct |
16 |
Correct |
107 ms |
162808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
512 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
2 ms |
512 KB |
Output is correct |
9 |
Correct |
2 ms |
640 KB |
Output is correct |
10 |
Correct |
3 ms |
640 KB |
Output is correct |
11 |
Correct |
5 ms |
512 KB |
Output is correct |
12 |
Correct |
2 ms |
512 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
512 KB |
Output is correct |
15 |
Correct |
2 ms |
512 KB |
Output is correct |
16 |
Correct |
2 ms |
512 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
3 ms |
2432 KB |
Output is correct |
19 |
Correct |
3 ms |
1920 KB |
Output is correct |
20 |
Correct |
3 ms |
2304 KB |
Output is correct |
21 |
Correct |
3 ms |
2432 KB |
Output is correct |
22 |
Correct |
3 ms |
1792 KB |
Output is correct |
23 |
Correct |
3 ms |
2176 KB |
Output is correct |
24 |
Correct |
3 ms |
1792 KB |
Output is correct |
25 |
Correct |
4 ms |
3972 KB |
Output is correct |
26 |
Correct |
4 ms |
4224 KB |
Output is correct |
27 |
Correct |
3 ms |
3072 KB |
Output is correct |
28 |
Correct |
3 ms |
2304 KB |
Output is correct |
29 |
Correct |
3 ms |
2304 KB |
Output is correct |
30 |
Correct |
4 ms |
2304 KB |
Output is correct |
31 |
Correct |
3 ms |
2048 KB |
Output is correct |
32 |
Correct |
3 ms |
2432 KB |
Output is correct |
33 |
Correct |
4 ms |
3968 KB |
Output is correct |
34 |
Correct |
5 ms |
3584 KB |
Output is correct |
35 |
Correct |
3 ms |
2688 KB |
Output is correct |
36 |
Correct |
3 ms |
1920 KB |
Output is correct |
37 |
Correct |
3 ms |
1764 KB |
Output is correct |
38 |
Correct |
3 ms |
2176 KB |
Output is correct |
39 |
Correct |
4 ms |
2304 KB |
Output is correct |
40 |
Correct |
2 ms |
512 KB |
Output is correct |
41 |
Correct |
3 ms |
2348 KB |
Output is correct |
42 |
Correct |
2 ms |
384 KB |
Output is correct |
43 |
Correct |
111 ms |
162776 KB |
Output is correct |
44 |
Correct |
109 ms |
162168 KB |
Output is correct |
45 |
Correct |
107 ms |
162808 KB |
Output is correct |
46 |
Correct |
112 ms |
162776 KB |
Output is correct |
47 |
Correct |
108 ms |
162824 KB |
Output is correct |
48 |
Correct |
108 ms |
162056 KB |
Output is correct |
49 |
Correct |
109 ms |
162064 KB |
Output is correct |
50 |
Correct |
109 ms |
161272 KB |
Output is correct |
51 |
Correct |
108 ms |
162808 KB |
Output is correct |
52 |
Correct |
107 ms |
162808 KB |
Output is correct |
53 |
Correct |
31 ms |
44152 KB |
Output is correct |
54 |
Correct |
53 ms |
77148 KB |
Output is correct |
55 |
Correct |
75 ms |
111352 KB |
Output is correct |
56 |
Correct |
105 ms |
162808 KB |
Output is correct |
57 |
Correct |
107 ms |
162808 KB |
Output is correct |
58 |
Correct |
72 ms |
83496 KB |
Output is correct |
59 |
Correct |
86 ms |
105872 KB |
Output is correct |
60 |
Correct |
77 ms |
96248 KB |
Output is correct |
61 |
Correct |
79 ms |
93048 KB |
Output is correct |
62 |
Correct |
111 ms |
160456 KB |
Output is correct |
63 |
Correct |
106 ms |
159992 KB |
Output is correct |
64 |
Correct |
107 ms |
150312 KB |
Output is correct |
65 |
Correct |
102 ms |
138628 KB |
Output is correct |
66 |
Correct |
80 ms |
94360 KB |
Output is correct |
67 |
Correct |
75 ms |
90860 KB |
Output is correct |
68 |
Correct |
77 ms |
97144 KB |
Output is correct |
69 |
Correct |
75 ms |
93688 KB |
Output is correct |
70 |
Correct |
84 ms |
101416 KB |
Output is correct |
71 |
Correct |
77 ms |
91972 KB |
Output is correct |
72 |
Correct |
33 ms |
42488 KB |
Output is correct |
73 |
Correct |
5 ms |
3072 KB |
Output is correct |