답안 #121319

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
121319 2019-06-26T10:20:50 Z onjo0127 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++11
100 / 100
226 ms 164984 KB
#include <bits/stdc++.h>
using namespace std;

const long long INF = 1LL * 1e18;
char S[100009], C[4] = "RGY";
vector<int> T[3];
int P[3][100009];
long long D[409][409][409][3];

inline int its(int cn, int cc, int id) {
	return max(0, cc - P[cn][id]);
}

long long go(int r, int g, int y, int x) {
	if(r+g+y == 0) return 0;
	long long &ret = D[r][g][y][x];
	if(ret != -1) return ret;
	ret = INF;
	if(r && x == 0) ret = min(ret, min(go(r-1, g, y, 1), go(r-1, g, y, 2)) + its(1, g, T[0][r-1]) + its(2, y, T[0][r-1]));
	if(g && x == 1) ret = min(ret, min(go(r, g-1, y, 0), go(r, g-1, y, 2)) + its(0, r, T[1][g-1]) + its(2, y, T[1][g-1]));
	if(y && x == 2) ret = min(ret, min(go(r, g, y-1, 0), go(r, g, y-1, 1)) + its(0, r, T[2][y-1]) + its(1, g, T[2][y-1]));
	return ret;
}

int main() {
	int N; scanf("%d",&N);
	for(int i=1; i<=N; i++) {
		scanf(" %c",&S[i]);
		for(int j=0; j<3; j++) if(S[i] == C[j]) T[j].push_back(i);
	}
	for(int i=1; i<=N; i++) for(int j=0; j<3; j++) P[j][i] = P[j][i-1] + (S[i] == C[j]);
	for(int i=0; i<=P[0][N]; i++) for(int j=0; j<=P[1][N]; j++) for(int k=0; k<=P[2][N]; k++) for(int l=0; l<3; l++) D[i][j][k][l] = -1;
	long long ans = INF;
	for(int i=0; i<3; i++) if(P[i][N]) ans = min(ans, go(P[0][N], P[1][N], P[2][N], i));
	if(ans == INF) puts("-1");
	else printf("%lld", ans);
	return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:26:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int N; scanf("%d",&N);
         ~~~~~^~~~~~~~~
joi2019_ho_t3.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c",&S[i]);
   ~~~~~^~~~~~~~~~~~~
# 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 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 512 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 2 ms 640 KB Output is correct
11 Correct 3 ms 640 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 556 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 3 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 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 512 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 2 ms 640 KB Output is correct
11 Correct 3 ms 640 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 556 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 4 ms 2432 KB Output is correct
19 Correct 3 ms 2048 KB Output is correct
20 Correct 3 ms 2432 KB Output is correct
21 Correct 4 ms 2560 KB Output is correct
22 Correct 3 ms 1792 KB Output is correct
23 Correct 4 ms 2304 KB Output is correct
24 Correct 3 ms 1792 KB Output is correct
25 Correct 5 ms 3968 KB Output is correct
26 Correct 4 ms 4224 KB Output is correct
27 Correct 5 ms 3200 KB Output is correct
28 Correct 4 ms 2432 KB Output is correct
29 Correct 4 ms 2432 KB Output is correct
30 Correct 4 ms 2432 KB Output is correct
31 Correct 3 ms 2148 KB Output is correct
32 Correct 4 ms 2560 KB Output is correct
33 Correct 6 ms 3968 KB Output is correct
34 Correct 4 ms 3712 KB Output is correct
35 Correct 4 ms 2816 KB Output is correct
36 Correct 4 ms 2048 KB Output is correct
37 Correct 3 ms 1792 KB Output is correct
38 Correct 3 ms 2300 KB Output is correct
39 Correct 4 ms 2432 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 3 ms 2304 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 113 ms 164248 KB Output is correct
3 Correct 121 ms 163420 KB Output is correct
4 Correct 114 ms 164280 KB Output is correct
5 Correct 112 ms 164216 KB Output is correct
6 Correct 116 ms 164088 KB Output is correct
7 Correct 114 ms 163336 KB Output is correct
8 Correct 112 ms 163484 KB Output is correct
9 Correct 110 ms 162552 KB Output is correct
10 Correct 112 ms 164224 KB Output is correct
11 Correct 112 ms 164208 KB Output is correct
12 Correct 32 ms 44416 KB Output is correct
13 Correct 58 ms 77824 KB Output is correct
14 Correct 81 ms 112248 KB Output is correct
15 Correct 115 ms 164216 KB Output is correct
16 Correct 112 ms 164088 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 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 512 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 2 ms 640 KB Output is correct
11 Correct 3 ms 640 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 556 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 4 ms 2432 KB Output is correct
19 Correct 3 ms 2048 KB Output is correct
20 Correct 3 ms 2432 KB Output is correct
21 Correct 4 ms 2560 KB Output is correct
22 Correct 3 ms 1792 KB Output is correct
23 Correct 4 ms 2304 KB Output is correct
24 Correct 3 ms 1792 KB Output is correct
25 Correct 5 ms 3968 KB Output is correct
26 Correct 4 ms 4224 KB Output is correct
27 Correct 5 ms 3200 KB Output is correct
28 Correct 4 ms 2432 KB Output is correct
29 Correct 4 ms 2432 KB Output is correct
30 Correct 4 ms 2432 KB Output is correct
31 Correct 3 ms 2148 KB Output is correct
32 Correct 4 ms 2560 KB Output is correct
33 Correct 6 ms 3968 KB Output is correct
34 Correct 4 ms 3712 KB Output is correct
35 Correct 4 ms 2816 KB Output is correct
36 Correct 4 ms 2048 KB Output is correct
37 Correct 3 ms 1792 KB Output is correct
38 Correct 3 ms 2300 KB Output is correct
39 Correct 4 ms 2432 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 3 ms 2304 KB Output is correct
42 Correct 2 ms 384 KB Output is correct
43 Correct 113 ms 164248 KB Output is correct
44 Correct 121 ms 163420 KB Output is correct
45 Correct 114 ms 164280 KB Output is correct
46 Correct 112 ms 164216 KB Output is correct
47 Correct 116 ms 164088 KB Output is correct
48 Correct 114 ms 163336 KB Output is correct
49 Correct 112 ms 163484 KB Output is correct
50 Correct 110 ms 162552 KB Output is correct
51 Correct 112 ms 164224 KB Output is correct
52 Correct 112 ms 164208 KB Output is correct
53 Correct 32 ms 44416 KB Output is correct
54 Correct 58 ms 77824 KB Output is correct
55 Correct 81 ms 112248 KB Output is correct
56 Correct 115 ms 164216 KB Output is correct
57 Correct 112 ms 164088 KB Output is correct
58 Correct 198 ms 120772 KB Output is correct
59 Correct 211 ms 138168 KB Output is correct
60 Correct 204 ms 130112 KB Output is correct
61 Correct 209 ms 128380 KB Output is correct
62 Correct 110 ms 163676 KB Output is correct
63 Correct 114 ms 164984 KB Output is correct
64 Correct 151 ms 164648 KB Output is correct
65 Correct 163 ms 159196 KB Output is correct
66 Correct 208 ms 128464 KB Output is correct
67 Correct 214 ms 125816 KB Output is correct
68 Correct 226 ms 131448 KB Output is correct
69 Correct 214 ms 129184 KB Output is correct
70 Correct 210 ms 134904 KB Output is correct
71 Correct 195 ms 126456 KB Output is correct
72 Correct 43 ms 49784 KB Output is correct
73 Correct 6 ms 5504 KB Output is correct