Submission #121060

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
121060	2019-06-26T04:26:51 Z	김현수(#3331)	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++14	100 / 100	221 ms	163064 KB

joi2019_ho_t3

#include<bits/stdc++.h>
using namespace std;

const int N = 405, inf = 1e9;
const char TYP[5] = "RGY";

int n, dt[N][N][N][3], s[N][3], z[3], idx[3][N];
char a[N];

int main()
{
	scanf("%d%s",&n,a+1);
	for(int i=1;i<=n;i++) {
		for(int j=0;j<3;j++) {
			if(a[i] == TYP[j]) {
				a[i] = j;
				break;
			}
		}
		idx[a[i]][++z[a[i]]] = i;
		for(int j=0;j<3;j++) {
			s[i][j] = s[i-1][j] + (a[i] == j);
		}
	}
	for(int x=1;x<=n;x++) {
		int c[3];
		for(c[0]=0;c[0]<=z[0];c[0]++) {
			for(c[1]=0;c[1]<=z[1];c[1]++) {
				c[2] = x - c[0] - c[1];
				if(c[2] > z[2] || c[2] < 0) continue;
				for(int i=0;i<3;i++) {
					if(c[i] == 0) {
						dt[c[0]][c[1]][c[2]][i] = inf;
						continue;
					}
					int X = idx[i][c[i]], T = inf;
					for(int j=0;j<3;j++) {
						X -= min(c[j], s[idx[i][c[i]]][j]);
					}
					c[i]--;
					T = min(T, min(dt[c[0]][c[1]][c[2]][(i+1)%3], dt[c[0]][c[1]][c[2]][(i+2)%3]) + X);
					c[i]++;
					dt[c[0]][c[1]][c[2]][i] = T;
				}
			}
		}
	}
	int ans = min({dt[z[0]][z[1]][z[2]][0], dt[z[0]][z[1]][z[2]][1], dt[z[0]][z[1]][z[2]][2]});
	printf("%d\n", ans == inf ? -1 : ans);
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:20:11: warning: array subscript has type 'char' [-Wchar-subscripts]
   idx[a[i]][++z[a[i]]] = i;
           ^
joi2019_ho_t3.cpp:20:21: warning: array subscript has type 'char' [-Wchar-subscripts]
   idx[a[i]][++z[a[i]]] = i;
                     ^
joi2019_ho_t3.cpp:12:7: 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	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	640 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	2 ms	640 KB	Output is correct
11	Correct	2 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

Subtask #2
55.0 / 55.0

#	Verdict	Execution time	Memory	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	640 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	2 ms	640 KB	Output is correct
11	Correct	2 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	2304 KB	Output is correct
19	Correct	3 ms	2176 KB	Output is correct
20	Correct	4 ms	2304 KB	Output is correct
21	Correct	3 ms	2432 KB	Output is correct
22	Correct	3 ms	1664 KB	Output is correct
23	Correct	4 ms	2220 KB	Output is correct
24	Correct	3 ms	1664 KB	Output is correct
25	Correct	4 ms	3968 KB	Output is correct
26	Correct	5 ms	4224 KB	Output is correct
27	Correct	5 ms	3072 KB	Output is correct
28	Correct	4 ms	2304 KB	Output is correct
29	Correct	4 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	4 ms	2432 KB	Output is correct
33	Correct	5 ms	3968 KB	Output is correct
34	Correct	6 ms	3584 KB	Output is correct
35	Correct	4 ms	2660 KB	Output is correct
36	Correct	3 ms	1920 KB	Output is correct
37	Correct	4 ms	1792 KB	Output is correct
38	Correct	4 ms	2176 KB	Output is correct
39	Correct	4 ms	2432 KB	Output is correct
40	Correct	2 ms	384 KB	Output is correct
41	Correct	3 ms	2304 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	155 ms	162936 KB	Output is correct
3	Correct	154 ms	162296 KB	Output is correct
4	Correct	156 ms	162936 KB	Output is correct
5	Correct	154 ms	162936 KB	Output is correct
6	Correct	221 ms	163064 KB	Output is correct
7	Correct	151 ms	162172 KB	Output is correct
8	Correct	154 ms	162168 KB	Output is correct
9	Correct	147 ms	161392 KB	Output is correct
10	Correct	149 ms	162996 KB	Output is correct
11	Correct	152 ms	163064 KB	Output is correct
12	Correct	38 ms	44024 KB	Output is correct
13	Correct	67 ms	77176 KB	Output is correct
14	Correct	97 ms	111480 KB	Output is correct
15	Correct	145 ms	162936 KB	Output is correct
16	Correct	150 ms	163036 KB	Output is correct

Subtask #4
25.0 / 25.0

#	Verdict	Execution time	Memory	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	640 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	2 ms	640 KB	Output is correct
11	Correct	2 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	2304 KB	Output is correct
19	Correct	3 ms	2176 KB	Output is correct
20	Correct	4 ms	2304 KB	Output is correct
21	Correct	3 ms	2432 KB	Output is correct
22	Correct	3 ms	1664 KB	Output is correct
23	Correct	4 ms	2220 KB	Output is correct
24	Correct	3 ms	1664 KB	Output is correct
25	Correct	4 ms	3968 KB	Output is correct
26	Correct	5 ms	4224 KB	Output is correct
27	Correct	5 ms	3072 KB	Output is correct
28	Correct	4 ms	2304 KB	Output is correct
29	Correct	4 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	4 ms	2432 KB	Output is correct
33	Correct	5 ms	3968 KB	Output is correct
34	Correct	6 ms	3584 KB	Output is correct
35	Correct	4 ms	2660 KB	Output is correct
36	Correct	3 ms	1920 KB	Output is correct
37	Correct	4 ms	1792 KB	Output is correct
38	Correct	4 ms	2176 KB	Output is correct
39	Correct	4 ms	2432 KB	Output is correct
40	Correct	2 ms	384 KB	Output is correct
41	Correct	3 ms	2304 KB	Output is correct
42	Correct	2 ms	384 KB	Output is correct
43	Correct	155 ms	162936 KB	Output is correct
44	Correct	154 ms	162296 KB	Output is correct
45	Correct	156 ms	162936 KB	Output is correct
46	Correct	154 ms	162936 KB	Output is correct
47	Correct	221 ms	163064 KB	Output is correct
48	Correct	151 ms	162172 KB	Output is correct
49	Correct	154 ms	162168 KB	Output is correct
50	Correct	147 ms	161392 KB	Output is correct
51	Correct	149 ms	162996 KB	Output is correct
52	Correct	152 ms	163064 KB	Output is correct
53	Correct	38 ms	44024 KB	Output is correct
54	Correct	67 ms	77176 KB	Output is correct
55	Correct	97 ms	111480 KB	Output is correct
56	Correct	145 ms	162936 KB	Output is correct
57	Correct	150 ms	163036 KB	Output is correct
58	Correct	166 ms	76288 KB	Output is correct
59	Correct	184 ms	96560 KB	Output is correct
60	Correct	180 ms	87896 KB	Output is correct
61	Correct	184 ms	84940 KB	Output is correct
62	Correct	152 ms	160760 KB	Output is correct
63	Correct	157 ms	160248 KB	Output is correct
64	Correct	188 ms	150264 KB	Output is correct
65	Correct	199 ms	138616 KB	Output is correct
66	Correct	190 ms	86168 KB	Output is correct
67	Correct	170 ms	83036 KB	Output is correct
68	Correct	177 ms	88716 KB	Output is correct
69	Correct	177 ms	85624 KB	Output is correct
70	Correct	186 ms	92664 KB	Output is correct
71	Correct	169 ms	83960 KB	Output is correct
72	Correct	60 ms	41588 KB	Output is correct
73	Correct	8 ms	2944 KB	Output is correct

Submission #121060

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 55.0 / 55.0

Subtask #3 15.0 / 15.0

Subtask #4 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
55.0 / 55.0

Subtask #3
15.0 / 15.0

Subtask #4
25.0 / 25.0