oj.uz

Submission #753456

# Submission time Handle Problem Language Result Execution time Memory
753456 2023-06-05T09:01:19 Z IvanJ Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 88 ms 162972 KB 
#include<bits/stdc++.h>

#define x first
#define y second
#define pb push_back
#define all(a) (a).begin(), (a).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> ii;

const int maxn = 405, inf = 1e9;

int n;
char s[maxn];
int c[maxn];
int dp[maxn][maxn][maxn][3];
int num[maxn][3];
vector<int> p[3];

int cost(int x, int y, int z, int C) {
	int pos;
	if(C == 0) pos = p[C][x];
	if(C == 1) pos = p[C][y];
	if(C == 2) pos = p[C][z];
	
	int ret = min(x, num[pos][0]) + min(y, num[pos][1]) + min(z, num[pos][2]);
	ret = pos - ret;
	return ret;
}

int main() {
	scanf("%d%s", &n, s);
	vector<int> cnt(3, 0);
	for(int i = 0;i < n;i++) {
		if(s[i] == 'R') c[i] = 0;
		if(s[i] == 'G') c[i] = 1;
		if(s[i] == 'Y') c[i] = 2;	
	}
	for(int i = 0;i < n;i++) {
		cnt[c[i]]++, p[c[i]].pb(i);
		for(int j = 0;j < 3;j++) num[i][j] = cnt[j];	
	}
	
	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 l = 0;l < 3;l++) 
					dp[i][j][k][l] = inf;
	
	for(int i = 0;i < 3;i++) 
		dp[0][0][0][i] = 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 a = 0;a < 3;a++) {
					if(dp[i][j][k][a] == inf) continue;
					if(a != 0 && i < cnt[0]) 
						dp[i + 1][j][k][0] = min(dp[i + 1][j][k][0], dp[i][j][k][a] + cost(i, j, k, 0));
					if(a != 1 && j < cnt[1]) 
						dp[i][j + 1][k][1] = min(dp[i][j + 1][k][1], dp[i][j][k][a] + cost(i, j, k, 1));	
					if(a != 2 && k < cnt[2]) 
						dp[i][j][k + 1][2] = min(dp[i][j][k + 1][2], dp[i][j][k][a] + cost(i, j, k, 2));
				}
	
	int ans = inf;
	for(int i = 0;i < 3;i++) 
		ans = min(dp[cnt[0]][cnt[1]][cnt[2]][i], ans);
	if(ans == inf) ans = -1;
	printf("%d\n", ans);
	return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |  scanf("%d%s", &n, s);
      |  ~~~~~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 440 KB Output is correct
17 Correct 1 ms 312 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 440 KB Output is correct
17 Correct 1 ms 312 KB Output is correct
18 Correct 2 ms 2260 KB Output is correct
19 Correct 1 ms 1876 KB Output is correct
20 Correct 1 ms 2284 KB Output is correct
21 Correct 1 ms 2388 KB Output is correct
22 Correct 1 ms 1620 KB Output is correct
23 Correct 2 ms 2132 KB Output is correct
24 Correct 1 ms 1620 KB Output is correct
25 Correct 2 ms 3924 KB Output is correct
26 Correct 2 ms 4052 KB Output is correct
27 Correct 2 ms 3028 KB Output is correct
28 Correct 1 ms 2260 KB Output is correct
29 Correct 1 ms 2232 KB Output is correct
30 Correct 1 ms 2228 KB Output is correct
31 Correct 1 ms 2004 KB Output is correct
32 Correct 2 ms 2260 KB Output is correct
33 Correct 2 ms 3768 KB Output is correct
34 Correct 2 ms 3540 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 1848 KB Output is correct
37 Correct 1 ms 1620 KB Output is correct
38 Correct 2 ms 2132 KB Output is correct
39 Correct 2 ms 2260 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 2132 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 63 ms 162964 KB Output is correct
3 Correct 63 ms 162152 KB Output is correct
4 Correct 66 ms 162948 KB Output is correct
5 Correct 66 ms 162972 KB Output is correct
6 Correct 60 ms 162968 KB Output is correct
7 Correct 62 ms 162156 KB Output is correct
8 Correct 60 ms 162132 KB Output is correct
9 Correct 61 ms 161276 KB Output is correct
10 Correct 69 ms 162920 KB Output is correct
11 Correct 61 ms 162904 KB Output is correct
12 Correct 18 ms 44060 KB Output is correct
13 Correct 30 ms 77040 KB Output is correct
14 Correct 43 ms 111308 KB Output is correct
15 Correct 62 ms 162892 KB Output is correct
16 Correct 61 ms 162892 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 440 KB Output is correct
17 Correct 1 ms 312 KB Output is correct
18 Correct 2 ms 2260 KB Output is correct
19 Correct 1 ms 1876 KB Output is correct
20 Correct 1 ms 2284 KB Output is correct
21 Correct 1 ms 2388 KB Output is correct
22 Correct 1 ms 1620 KB Output is correct
23 Correct 2 ms 2132 KB Output is correct
24 Correct 1 ms 1620 KB Output is correct
25 Correct 2 ms 3924 KB Output is correct
26 Correct 2 ms 4052 KB Output is correct
27 Correct 2 ms 3028 KB Output is correct
28 Correct 1 ms 2260 KB Output is correct
29 Correct 1 ms 2232 KB Output is correct
30 Correct 1 ms 2228 KB Output is correct
31 Correct 1 ms 2004 KB Output is correct
32 Correct 2 ms 2260 KB Output is correct
33 Correct 2 ms 3768 KB Output is correct
34 Correct 2 ms 3540 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 1848 KB Output is correct
37 Correct 1 ms 1620 KB Output is correct
38 Correct 2 ms 2132 KB Output is correct
39 Correct 2 ms 2260 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 2132 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 63 ms 162964 KB Output is correct
44 Correct 63 ms 162152 KB Output is correct
45 Correct 66 ms 162948 KB Output is correct
46 Correct 66 ms 162972 KB Output is correct
47 Correct 60 ms 162968 KB Output is correct
48 Correct 62 ms 162156 KB Output is correct
49 Correct 60 ms 162132 KB Output is correct
50 Correct 61 ms 161276 KB Output is correct
51 Correct 69 ms 162920 KB Output is correct
52 Correct 61 ms 162904 KB Output is correct
53 Correct 18 ms 44060 KB Output is correct
54 Correct 30 ms 77040 KB Output is correct
55 Correct 43 ms 111308 KB Output is correct
56 Correct 62 ms 162892 KB Output is correct
57 Correct 61 ms 162892 KB Output is correct
58 Correct 79 ms 76208 KB Output is correct
59 Correct 84 ms 96560 KB Output is correct
60 Correct 80 ms 87720 KB Output is correct
61 Correct 88 ms 84860 KB Output is correct
62 Correct 64 ms 160552 KB Output is correct
63 Correct 71 ms 160164 KB Output is correct
64 Correct 73 ms 150092 KB Output is correct
65 Correct 75 ms 138552 KB Output is correct
66 Correct 77 ms 86088 KB Output is correct
67 Correct 84 ms 82788 KB Output is correct
68 Correct 84 ms 88692 KB Output is correct
69 Correct 79 ms 85460 KB Output is correct
70 Correct 82 ms 92552 KB Output is correct
71 Correct 77 ms 83920 KB Output is correct
72 Correct 22 ms 41556 KB Output is correct
73 Correct 2 ms 2772 KB Output is correct