oj.uz

Submission #723517

# Submission time Handle Problem Language Result Execution time Memory
723517 2023-04-14T02:29:26 Z pcc Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 35 ms 8020 KB 
#include <bits/stdc++.h>
using namespace std;

#define debug(x) cout<<#x<<':'<<x<<endl;
#define int long long
const int mxn = 404;
const int inf = mxn*mxn*mxn;
int dp[2][mxn][mxn][3];
string s;
vector<int> pos[3];
int pref[mxn][3];

int calc(int sx,int sy,int sz,int ex,int ey,int ez){
	return max(ex-sx,0LL)+max(ey-sy,0LL)+max(ez-sz,0LL);
}

main(){
	int n;
	cin>>n>>s;
	for(int i = 0;i<n;i++){
		if(s[i] == 'R')pos[0].push_back(i);
		else if(s[i] == 'G')pos[1].push_back(i);
		else pos[2].push_back(i);
	}
	for(int i = 0;i<n;i++){
		if(i != 0)for(int j = 0;j<3;j++)pref[i][j] = pref[i-1][j];
		if(s[i] == 'R')pref[i][0]++;
		else if(s[i] == 'G')pref[i][1]++;
		else pref[i][2]++;
	}
	//for(int i = 0;i<n;i++)cout<<pref[i][0]<<' '<<pref[i][1]<<' '<<pref[i][2]<<endl;
	bool roll = 0;
	for(auto &i:dp)for(auto &j:i)for(auto &k:j)for(auto &kk:k)kk = inf;
	if(pos[0].size()>0)dp[roll][1][0][0] = pos[0][0];
	if(pos[1].size()>0)dp[roll][0][1][1] = pos[1][0];
	if(pos[2].size()>0)dp[roll][0][0][2] = pos[2][0];
	//for(int i = 0;i<3;i++){cout<<i<<":";for(auto &j:pos[i])cout<<j<<' ';cout<<endl;}
	for(int i = 1;i<n;i++){
		roll^=1;
		for(int j = 0;j<=pos[0].size();j++){
			for(int k = 0;k<=pos[1].size();k++){
				int l = i+1-j-k;
				fill(dp[roll][j][k],dp[roll][j][k]+3,inf);
				if(l<0||l>pos[2].size())continue;

				if(j>0)dp[roll][j][k][0] = min(dp[roll^1][j-1][k][1],dp[roll^1][j-1][k][2])+
					calc(j,k,l,pref[pos[0][j-1]][0],pref[pos[0][j-1]][1],pref[pos[0][j-1]][2]);

				if(k>0)dp[roll][j][k][1] = min(dp[roll^1][j][k-1][0],dp[roll^1][j][k-1][2])+
					calc(j,k,l,pref[pos[1][k-1]][0],pref[pos[1][k-1]][1],pref[pos[1][k-1]][2]);

				if(l>0)dp[roll][j][k][2] = min(dp[roll^1][j][k][1],dp[roll^1][j][k][0])+
					calc(j,k,l,pref[pos[2][l-1]][0],pref[pos[2][l-1]][1],pref[pos[2][l-1]][2]);

				//cout<<i<<' '<<j<<' '<<k<<' '<<l<<":";for(auto &kk:dp[roll][j][k])cout<<kk<<' ';cout<<'\n';
			}
		}
	}
	for(int i = 0;i<pos[0].size();i++)for(int j = 0;j<pos[1].size();j++)assert(dp[roll][i][j][0]+dp[roll][i][j][1]+dp[roll][i][j][2] >= inf);
	int ans = *min_element(dp[roll][pos[0].size()][pos[1].size()],dp[roll][pos[0].size()][pos[1].size()]+3);
	if(ans>=inf)cout<<-1;
	else cout<<ans;
}

Compilation message

joi2019_ho_t3.cpp:17:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   17 | main(){
      | ^~~~
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:40:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |   for(int j = 0;j<=pos[0].size();j++){
      |                 ~^~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:41:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |    for(int k = 0;k<=pos[1].size();k++){
      |                  ~^~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:44:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     if(l<0||l>pos[2].size())continue;
      |             ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:59:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |  for(int i = 0;i<pos[0].size();i++)for(int j = 0;j<pos[1].size();j++)assert(dp[roll][i][j][0]+dp[roll][i][j][1]+dp[roll][i][j][2] >= inf);
      |                ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:59:51: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |  for(int i = 0;i<pos[0].size();i++)for(int j = 0;j<pos[1].size();j++)assert(dp[roll][i][j][0]+dp[roll][i][j][1]+dp[roll][i][j][2] >= inf);
      |                                                  ~^~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7892 KB Output is correct
2 Correct 4 ms 7892 KB Output is correct
3 Correct 3 ms 7892 KB Output is correct
4 Correct 4 ms 7892 KB Output is correct
5 Correct 4 ms 7892 KB Output is correct
6 Correct 6 ms 7892 KB Output is correct
7 Correct 3 ms 7892 KB Output is correct
8 Correct 4 ms 7976 KB Output is correct
9 Correct 4 ms 7892 KB Output is correct
10 Correct 4 ms 7892 KB Output is correct
11 Correct 3 ms 7892 KB Output is correct
12 Correct 4 ms 7892 KB Output is correct
13 Correct 4 ms 7892 KB Output is correct
14 Correct 5 ms 7892 KB Output is correct
15 Correct 4 ms 7892 KB Output is correct
16 Correct 4 ms 7892 KB Output is correct
17 Correct 4 ms 7892 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7892 KB Output is correct
2 Correct 4 ms 7892 KB Output is correct
3 Correct 3 ms 7892 KB Output is correct
4 Correct 4 ms 7892 KB Output is correct
5 Correct 4 ms 7892 KB Output is correct
6 Correct 6 ms 7892 KB Output is correct
7 Correct 3 ms 7892 KB Output is correct
8 Correct 4 ms 7976 KB Output is correct
9 Correct 4 ms 7892 KB Output is correct
10 Correct 4 ms 7892 KB Output is correct
11 Correct 3 ms 7892 KB Output is correct
12 Correct 4 ms 7892 KB Output is correct
13 Correct 4 ms 7892 KB Output is correct
14 Correct 5 ms 7892 KB Output is correct
15 Correct 4 ms 7892 KB Output is correct
16 Correct 4 ms 7892 KB Output is correct
17 Correct 4 ms 7892 KB Output is correct
18 Correct 4 ms 7892 KB Output is correct
19 Correct 4 ms 7892 KB Output is correct
20 Correct 4 ms 7892 KB Output is correct
21 Correct 5 ms 7892 KB Output is correct
22 Correct 4 ms 7876 KB Output is correct
23 Correct 6 ms 7864 KB Output is correct
24 Correct 5 ms 7892 KB Output is correct
25 Correct 4 ms 7892 KB Output is correct
26 Correct 4 ms 7892 KB Output is correct
27 Correct 4 ms 7892 KB Output is correct
28 Correct 4 ms 7860 KB Output is correct
29 Correct 4 ms 7892 KB Output is correct
30 Correct 6 ms 7892 KB Output is correct
31 Correct 5 ms 7892 KB Output is correct
32 Correct 4 ms 7892 KB Output is correct
33 Correct 4 ms 7864 KB Output is correct
34 Correct 5 ms 7860 KB Output is correct
35 Correct 5 ms 7864 KB Output is correct
36 Correct 4 ms 7860 KB Output is correct
37 Correct 4 ms 7892 KB Output is correct
38 Correct 4 ms 8020 KB Output is correct
39 Correct 4 ms 7892 KB Output is correct
40 Correct 4 ms 7892 KB Output is correct
41 Correct 4 ms 7892 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7892 KB Output is correct
2 Correct 28 ms 7892 KB Output is correct
3 Correct 30 ms 7892 KB Output is correct
4 Correct 23 ms 7892 KB Output is correct
5 Correct 28 ms 7860 KB Output is correct
6 Correct 24 ms 7892 KB Output is correct
7 Correct 30 ms 7976 KB Output is correct
8 Correct 24 ms 7892 KB Output is correct
9 Correct 24 ms 7864 KB Output is correct
10 Correct 25 ms 7892 KB Output is correct
11 Correct 27 ms 7892 KB Output is correct
12 Correct 8 ms 7892 KB Output is correct
13 Correct 11 ms 7892 KB Output is correct
14 Correct 20 ms 7980 KB Output is correct
15 Correct 25 ms 7892 KB Output is correct
16 Correct 24 ms 7988 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7892 KB Output is correct
2 Correct 4 ms 7892 KB Output is correct
3 Correct 3 ms 7892 KB Output is correct
4 Correct 4 ms 7892 KB Output is correct
5 Correct 4 ms 7892 KB Output is correct
6 Correct 6 ms 7892 KB Output is correct
7 Correct 3 ms 7892 KB Output is correct
8 Correct 4 ms 7976 KB Output is correct
9 Correct 4 ms 7892 KB Output is correct
10 Correct 4 ms 7892 KB Output is correct
11 Correct 3 ms 7892 KB Output is correct
12 Correct 4 ms 7892 KB Output is correct
13 Correct 4 ms 7892 KB Output is correct
14 Correct 5 ms 7892 KB Output is correct
15 Correct 4 ms 7892 KB Output is correct
16 Correct 4 ms 7892 KB Output is correct
17 Correct 4 ms 7892 KB Output is correct
18 Correct 4 ms 7892 KB Output is correct
19 Correct 4 ms 7892 KB Output is correct
20 Correct 4 ms 7892 KB Output is correct
21 Correct 5 ms 7892 KB Output is correct
22 Correct 4 ms 7876 KB Output is correct
23 Correct 6 ms 7864 KB Output is correct
24 Correct 5 ms 7892 KB Output is correct
25 Correct 4 ms 7892 KB Output is correct
26 Correct 4 ms 7892 KB Output is correct
27 Correct 4 ms 7892 KB Output is correct
28 Correct 4 ms 7860 KB Output is correct
29 Correct 4 ms 7892 KB Output is correct
30 Correct 6 ms 7892 KB Output is correct
31 Correct 5 ms 7892 KB Output is correct
32 Correct 4 ms 7892 KB Output is correct
33 Correct 4 ms 7864 KB Output is correct
34 Correct 5 ms 7860 KB Output is correct
35 Correct 5 ms 7864 KB Output is correct
36 Correct 4 ms 7860 KB Output is correct
37 Correct 4 ms 7892 KB Output is correct
38 Correct 4 ms 8020 KB Output is correct
39 Correct 4 ms 7892 KB Output is correct
40 Correct 4 ms 7892 KB Output is correct
41 Correct 4 ms 7892 KB Output is correct
42 Correct 4 ms 7892 KB Output is correct
43 Correct 28 ms 7892 KB Output is correct
44 Correct 30 ms 7892 KB Output is correct
45 Correct 23 ms 7892 KB Output is correct
46 Correct 28 ms 7860 KB Output is correct
47 Correct 24 ms 7892 KB Output is correct
48 Correct 30 ms 7976 KB Output is correct
49 Correct 24 ms 7892 KB Output is correct
50 Correct 24 ms 7864 KB Output is correct
51 Correct 25 ms 7892 KB Output is correct
52 Correct 27 ms 7892 KB Output is correct
53 Correct 8 ms 7892 KB Output is correct
54 Correct 11 ms 7892 KB Output is correct
55 Correct 20 ms 7980 KB Output is correct
56 Correct 25 ms 7892 KB Output is correct
57 Correct 24 ms 7988 KB Output is correct
58 Correct 28 ms 7892 KB Output is correct
59 Correct 35 ms 7860 KB Output is correct
60 Correct 28 ms 7892 KB Output is correct
61 Correct 28 ms 7980 KB Output is correct
62 Correct 27 ms 7980 KB Output is correct
63 Correct 33 ms 7960 KB Output is correct
64 Correct 34 ms 7892 KB Output is correct
65 Correct 34 ms 7892 KB Output is correct
66 Correct 29 ms 7892 KB Output is correct
67 Correct 29 ms 7892 KB Output is correct
68 Correct 28 ms 7864 KB Output is correct
69 Correct 29 ms 7892 KB Output is correct
70 Correct 29 ms 7892 KB Output is correct
71 Correct 29 ms 7972 KB Output is correct
72 Correct 21 ms 7988 KB Output is correct
73 Correct 7 ms 7892 KB Output is correct