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Submission #886339

# Submission time Handle Problem Language Result Execution time Memory
886339 2023-12-11T22:22:58 Z Hakiers Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
60 / 100
 428 ms 1048576 KB 
#include <bits/stdc++.h>
using namespace std;
constexpr int MAXN = 407;
constexpr int oo = 1e9;
int sumpref[MAXN][3];
int POS[MAXN][MAXN][MAXN][3];
int dp[MAXN][MAXN][MAXN][3];
vector<int> idx[3];
int R,G,Y;
int n;

int check(int i, int j, int k, int v){
	int ith, sum = 0;
	if(v == 0)
		ith = idx[v][i-1];
	if(v == 1)
		ith = idx[v][j-1];
	if(v == 2)
		ith = idx[v][k-1];
	
	sum += max(sumpref[ith][0], i);
	sum += max(sumpref[ith][1], j);
	sum += max(sumpref[ith][2], k);
	
	return sum;
}

void computePos(){
	for(int i = 0; i <= n; i++){
		for(int j = 0; j <= n; j++){
			for(int k = 1; k <= n; k++){
				if(k <= R && i <= G && j <= Y)
					POS[k][i][j][0] = check(k, i, j, 0);
				if(i <= R && k <= G && j <= Y)
					POS[i][k][j][1] = check(i, k, j, 1);
				if(i <= R && j <= G && k <= Y)
					POS[i][j][k][2] = check(i, j, k, 2);
			}
		}
	}
}

void solve(){
	for(int i = 0; i <= n; i++)
		for(int j = 0; j <= n; j++)
			for(int k = 0; k <= n; k++)
				dp[i][j][k][0] = dp[i][j][k][1] = dp[i][j][k][2] = oo;
				
	dp[0][0][0][0] = dp[0][0][0][1] = dp[0][0][0][2] = 0;
	
	
	//dp[i][j][k][v]
	// i -> pozycja
	// j -> ile R
	// k -> ile G
	for(int i = 1; i <= n; i++){
		for(int j = 0; j <= min(R, i); j++){
			for(int k = 0; k <= min(G, i); k++){
				//dla 0 -> {1, 2}
				//dla 1 -> {0, 2}
				//dla 2 -> {1, 2}
				
				//na pozycji itej stawiamy R
				if(j && j+k <= i)
					dp[i][j][k][0] = min(dp[i-1][j-1][k][1], dp[i-1][j-1][k][2]) + abs(i - POS[j][k][i - (j+k)][0]);
				
				//na pozycji itej stawiamy G
				if(k && j+k <= i)
					dp[i][j][k][1] = min(dp[i-1][j][k-1][0], dp[i-1][j][k-1][2]) + abs(i - POS[j][k][i - (j+k)][1]);
				
				//na pozycji itej stawiamy Y
				if(i >= j+k && (i - (j+k) <= Y))
					dp[i][j][k][2] = min(dp[i-1][j][k][0], dp[i-1][j][k][1]) + abs(i - POS[j][k][i - (j+k)][2]);
			
			}
		}
	}

}

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> n;
	for(int i = 1; i <= n; i++){
		char c;
		cin >> c;
		if(c == 'R'){
			idx[0].push_back(i);
			R++;
		}
		else if(c == 'G'){
			idx[1].push_back(i);
			G++;
		}
		else if(c == 'Y'){
			idx[2].push_back(i);
			Y++;
		}
	
		sumpref[i][0] = R;
		sumpref[i][1] = G;
		sumpref[i][2] = Y;
	}

	computePos();
	solve();
	
	int res = min({dp[n][R][G][0], dp[n][R][G][1], dp[n][R][G][2]});
	if(res > 100*n) cout << "-1 \n";
	else cout << res << "\n";
	
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 3 ms 29020 KB Output is correct
5 Correct 4 ms 43612 KB Output is correct
6 Correct 5 ms 45660 KB Output is correct
7 Correct 5 ms 47708 KB Output is correct
8 Correct 5 ms 45656 KB Output is correct
9 Correct 5 ms 45660 KB Output is correct
10 Correct 6 ms 53712 KB Output is correct
11 Correct 5 ms 43612 KB Output is correct
12 Correct 4 ms 43608 KB Output is correct
13 Correct 4 ms 39516 KB Output is correct
14 Correct 5 ms 43612 KB Output is correct
15 Correct 5 ms 41576 KB Output is correct
16 Correct 6 ms 56148 KB Output is correct
17 Correct 3 ms 31064 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 3 ms 29020 KB Output is correct
5 Correct 4 ms 43612 KB Output is correct
6 Correct 5 ms 45660 KB Output is correct
7 Correct 5 ms 47708 KB Output is correct
8 Correct 5 ms 45656 KB Output is correct
9 Correct 5 ms 45660 KB Output is correct
10 Correct 6 ms 53712 KB Output is correct
11 Correct 5 ms 43612 KB Output is correct
12 Correct 4 ms 43608 KB Output is correct
13 Correct 4 ms 39516 KB Output is correct
14 Correct 5 ms 43612 KB Output is correct
15 Correct 5 ms 41576 KB Output is correct
16 Correct 6 ms 56148 KB Output is correct
17 Correct 3 ms 31064 KB Output is correct
18 Correct 17 ms 164700 KB Output is correct
19 Correct 17 ms 156508 KB Output is correct
20 Correct 19 ms 168792 KB Output is correct
21 Correct 16 ms 158556 KB Output is correct
22 Correct 19 ms 167128 KB Output is correct
23 Correct 16 ms 152344 KB Output is correct
24 Correct 15 ms 140120 KB Output is correct
25 Correct 20 ms 191324 KB Output is correct
26 Correct 19 ms 181084 KB Output is correct
27 Correct 18 ms 172968 KB Output is correct
28 Correct 18 ms 160596 KB Output is correct
29 Correct 18 ms 162652 KB Output is correct
30 Correct 16 ms 152412 KB Output is correct
31 Correct 15 ms 148316 KB Output is correct
32 Correct 18 ms 154460 KB Output is correct
33 Correct 17 ms 166744 KB Output is correct
34 Correct 16 ms 160604 KB Output is correct
35 Correct 17 ms 162852 KB Output is correct
36 Correct 16 ms 156532 KB Output is correct
37 Correct 15 ms 142168 KB Output is correct
38 Correct 16 ms 148304 KB Output is correct
39 Correct 16 ms 156508 KB Output is correct
40 Correct 12 ms 117772 KB Output is correct
41 Correct 15 ms 138084 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12636 KB Output is correct
2 Runtime error 428 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 3 ms 29020 KB Output is correct
5 Correct 4 ms 43612 KB Output is correct
6 Correct 5 ms 45660 KB Output is correct
7 Correct 5 ms 47708 KB Output is correct
8 Correct 5 ms 45656 KB Output is correct
9 Correct 5 ms 45660 KB Output is correct
10 Correct 6 ms 53712 KB Output is correct
11 Correct 5 ms 43612 KB Output is correct
12 Correct 4 ms 43608 KB Output is correct
13 Correct 4 ms 39516 KB Output is correct
14 Correct 5 ms 43612 KB Output is correct
15 Correct 5 ms 41576 KB Output is correct
16 Correct 6 ms 56148 KB Output is correct
17 Correct 3 ms 31064 KB Output is correct
18 Correct 17 ms 164700 KB Output is correct
19 Correct 17 ms 156508 KB Output is correct
20 Correct 19 ms 168792 KB Output is correct
21 Correct 16 ms 158556 KB Output is correct
22 Correct 19 ms 167128 KB Output is correct
23 Correct 16 ms 152344 KB Output is correct
24 Correct 15 ms 140120 KB Output is correct
25 Correct 20 ms 191324 KB Output is correct
26 Correct 19 ms 181084 KB Output is correct
27 Correct 18 ms 172968 KB Output is correct
28 Correct 18 ms 160596 KB Output is correct
29 Correct 18 ms 162652 KB Output is correct
30 Correct 16 ms 152412 KB Output is correct
31 Correct 15 ms 148316 KB Output is correct
32 Correct 18 ms 154460 KB Output is correct
33 Correct 17 ms 166744 KB Output is correct
34 Correct 16 ms 160604 KB Output is correct
35 Correct 17 ms 162852 KB Output is correct
36 Correct 16 ms 156532 KB Output is correct
37 Correct 15 ms 142168 KB Output is correct
38 Correct 16 ms 148304 KB Output is correct
39 Correct 16 ms 156508 KB Output is correct
40 Correct 12 ms 117772 KB Output is correct
41 Correct 15 ms 138084 KB Output is correct
42 Correct 2 ms 12636 KB Output is correct
43 Runtime error 428 ms 1048576 KB Execution killed with signal 9
44 Halted 0 ms 0 KB -