답안 #507586

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
507586 2022-01-12T18:50:26 Z CSQ31 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
75 / 100
500 ms 383596 KB
#include <bits/stdc++.h>
using namespace std;
const int INF = 1e9;
int dp[3][401][401][401],pos[3][401],cnt[3];
void chmin(int &x,int y){
	x = min(x,y);
}
int main()
{
	int n;
	string s;
	cin>>n>>s;
	vector<int>c;
	for(char x:s){
		if(x == 'R')c.push_back(0);
		if(x == 'G')c.push_back(1);
		if(x == 'Y')c.push_back(2);
	}
	for(int i=0;i<=n;i++)pos[0][i] = pos[1][i] = pos[2][i] = -1;
	for(int i=0;i<n;i++)pos[c[i]][cnt[c[i]]++] = i;
	/*
	for(int i=0;i<3;i++){
		for(int j=0;j<cnt[i];j++)cout<<pos[i][j]<<" ";
		cout<<'\n';
	}*/
	for(int i=0;i<=n;i++)
		for(int j=0;j<=i;j++)
			for(int k=0;k+j<=i;k++)
				dp[0][i][j][k] = dp[1][i][j][k] = dp[2][i][j][k] = INF;
				
				
	
	dp[0][0][0][0] = dp[1][0][0][0] = dp[2][0][0][0] = 0;
	array<int,3>p;
	for(int i=0;i<n;i++){
		for(int j=0;j<=i;j++){
			for(int k=0;k+j<=i;k++){
				p = {j,k,i-j-k}; //number of rgy
				
				for(int c1=0;c1<3;c1++){ //previous color
					if(dp[c1][i][j][k] == INF)continue; 
					for(int c2=0;c2<3;c2++){ //current color
						if(c1 == c2 || pos[c2][p[c2]] == -1)continue;
						int cost = 0;
						for(int c3=0;c3<3;c3++){
							if(c3 == c2)continue;
							for(int ii=0;ii<p[c3];ii++)cost+=pos[c3][ii] > pos[c2][p[c2]];
						}
						if(c2 == 0)chmin(dp[0][i+1][j+1][k],dp[c1][i][j][k] + cost);
						if(c2 == 1)chmin(dp[1][i+1][j][k+1],dp[c1][i][j][k] + cost);
						if(c2 == 2)chmin(dp[2][i+1][j][k],dp[c1][i][j][k] + cost);
					}
					
				}
			}
		}
	}
	int mn = INF;
	for(int i=0;i<3;i++)mn = min(mn,dp[i][n][cnt[0]][cnt[1]]);
	if(mn == INF)mn = -1;
	cout<<mn<<'\n';
	
	
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 300 KB Output is correct
4 Correct 0 ms 716 KB Output is correct
5 Correct 1 ms 1056 KB Output is correct
6 Correct 1 ms 1092 KB Output is correct
7 Correct 1 ms 1100 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 1068 KB Output is correct
12 Correct 1 ms 1068 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 1100 KB Output is correct
16 Correct 1 ms 1072 KB Output is correct
17 Correct 1 ms 1064 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 300 KB Output is correct
4 Correct 0 ms 716 KB Output is correct
5 Correct 1 ms 1056 KB Output is correct
6 Correct 1 ms 1092 KB Output is correct
7 Correct 1 ms 1100 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 1068 KB Output is correct
12 Correct 1 ms 1068 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 1100 KB Output is correct
16 Correct 1 ms 1072 KB Output is correct
17 Correct 1 ms 1064 KB Output is correct
18 Correct 6 ms 9804 KB Output is correct
19 Correct 6 ms 9804 KB Output is correct
20 Correct 6 ms 9820 KB Output is correct
21 Correct 6 ms 9804 KB Output is correct
22 Correct 5 ms 9804 KB Output is correct
23 Correct 6 ms 9752 KB Output is correct
24 Correct 5 ms 9804 KB Output is correct
25 Correct 4 ms 9804 KB Output is correct
26 Correct 4 ms 9768 KB Output is correct
27 Correct 5 ms 9868 KB Output is correct
28 Correct 5 ms 9804 KB Output is correct
29 Correct 6 ms 9804 KB Output is correct
30 Correct 5 ms 9804 KB Output is correct
31 Correct 6 ms 9804 KB Output is correct
32 Correct 6 ms 9932 KB Output is correct
33 Correct 4 ms 9576 KB Output is correct
34 Correct 5 ms 9548 KB Output is correct
35 Correct 7 ms 9272 KB Output is correct
36 Correct 6 ms 9600 KB Output is correct
37 Correct 5 ms 8908 KB Output is correct
38 Correct 5 ms 9768 KB Output is correct
39 Correct 6 ms 9864 KB Output is correct
40 Correct 4 ms 9548 KB Output is correct
41 Correct 5 ms 9804 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 217 ms 383372 KB Output is correct
3 Correct 204 ms 381564 KB Output is correct
4 Correct 209 ms 383376 KB Output is correct
5 Correct 216 ms 383368 KB Output is correct
6 Correct 202 ms 383364 KB Output is correct
7 Correct 208 ms 381672 KB Output is correct
8 Correct 201 ms 381564 KB Output is correct
9 Correct 204 ms 379584 KB Output is correct
10 Correct 222 ms 383596 KB Output is correct
11 Correct 197 ms 383352 KB Output is correct
12 Correct 50 ms 103756 KB Output is correct
13 Correct 106 ms 181576 KB Output is correct
14 Correct 151 ms 262096 KB Output is correct
15 Correct 198 ms 383388 KB Output is correct
16 Correct 198 ms 383508 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 300 KB Output is correct
4 Correct 0 ms 716 KB Output is correct
5 Correct 1 ms 1056 KB Output is correct
6 Correct 1 ms 1092 KB Output is correct
7 Correct 1 ms 1100 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 1068 KB Output is correct
12 Correct 1 ms 1068 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 1100 KB Output is correct
16 Correct 1 ms 1072 KB Output is correct
17 Correct 1 ms 1064 KB Output is correct
18 Correct 6 ms 9804 KB Output is correct
19 Correct 6 ms 9804 KB Output is correct
20 Correct 6 ms 9820 KB Output is correct
21 Correct 6 ms 9804 KB Output is correct
22 Correct 5 ms 9804 KB Output is correct
23 Correct 6 ms 9752 KB Output is correct
24 Correct 5 ms 9804 KB Output is correct
25 Correct 4 ms 9804 KB Output is correct
26 Correct 4 ms 9768 KB Output is correct
27 Correct 5 ms 9868 KB Output is correct
28 Correct 5 ms 9804 KB Output is correct
29 Correct 6 ms 9804 KB Output is correct
30 Correct 5 ms 9804 KB Output is correct
31 Correct 6 ms 9804 KB Output is correct
32 Correct 6 ms 9932 KB Output is correct
33 Correct 4 ms 9576 KB Output is correct
34 Correct 5 ms 9548 KB Output is correct
35 Correct 7 ms 9272 KB Output is correct
36 Correct 6 ms 9600 KB Output is correct
37 Correct 5 ms 8908 KB Output is correct
38 Correct 5 ms 9768 KB Output is correct
39 Correct 6 ms 9864 KB Output is correct
40 Correct 4 ms 9548 KB Output is correct
41 Correct 5 ms 9804 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 217 ms 383372 KB Output is correct
44 Correct 204 ms 381564 KB Output is correct
45 Correct 209 ms 383376 KB Output is correct
46 Correct 216 ms 383368 KB Output is correct
47 Correct 202 ms 383364 KB Output is correct
48 Correct 208 ms 381672 KB Output is correct
49 Correct 201 ms 381564 KB Output is correct
50 Correct 204 ms 379584 KB Output is correct
51 Correct 222 ms 383596 KB Output is correct
52 Correct 197 ms 383352 KB Output is correct
53 Correct 50 ms 103756 KB Output is correct
54 Correct 106 ms 181576 KB Output is correct
55 Correct 151 ms 262096 KB Output is correct
56 Correct 198 ms 383388 KB Output is correct
57 Correct 198 ms 383508 KB Output is correct
58 Execution timed out 1116 ms 383428 KB Time limit exceeded
59 Halted 0 ms 0 KB -