oj.uz

Submission #330458

# Submission time Handle Problem Language Result Execution time Memory
330458 2020-11-25T11:02:22 Z GioChkhaidze Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 80 ms 3052 KB 
#include <bits/stdc++.h>
using namespace std;

const int N=404;

char c;
int n,Cr,Cg,Cy,t,id,A,B,x,y;
int a[N];
int dp[N][N][4],dp_[N][N][4];
int R[N],G[N],Y[N];

vector < int > v[4];

main () {
	cin>>n;
	for (int i=1; i<=n; i++) {
		cin>>c;
		R[i]=R[i-1]+(c=='R');
		G[i]=G[i-1]+(c=='G');
		Y[i]=Y[i-1]+(c=='Y');
		
		if (c=='R') a[i]=0;	
			else
		if (c=='G') a[i]=1;
			else
		if (c=='Y') a[i]=2;
	
		v[a[i]].push_back(i);
	}
	
	for (Cr=0; Cr<=v[0].size(); Cr++)
		for (Cg=0; Cg<=v[1].size(); Cg++)
			for (t=0; t<3; t++) 
				dp_[Cr][Cg][t]=1e9;

	dp_[0][0][0]=0;
	dp_[0][0][1]=0;
	dp_[0][0][2]=0;
	
	for (int i=1; i<=n; i++) {
		
		for (Cr=0; Cr<=i && Cr<=v[0].size(); Cr++)
			for (Cg=0; Cg+Cr<=i && Cg<=v[1].size(); Cg++)
				for (t=0; t<3; t++) {
					dp[Cr][Cg][t]=1e9;
				}
		
		for (Cr=0; Cr<=i && Cr<=v[0].size(); Cr++)
			for (Cg=0; Cg+Cr<=i && Cg<=v[1].size(); Cg++) {
				Cy=i-Cr-Cg;
				if (Cy>v[2].size()) continue;
				
				if (Cr) {
					id=v[0][Cr-1];
					A=max(0,Cg-G[id]),B=max(0,Cy-Y[id]);
					dp[Cr][Cg][0]= min(dp_[Cr-1][Cg][1],dp_[Cr-1][Cg][2]) + A + B;
				}
				
				if (Cg) {
					id=v[1][Cg-1];
					A=max(0,Cr-R[id]),B=max(0,Cy-Y[id]);
					dp[Cr][Cg][1]= min(dp_[Cr][Cg-1][0],dp_[Cr][Cg-1][2]) + A + B;
				}	
				
				if (Cy) {
					id=v[2][Cy-1];
					A=max(0,Cr-R[id]),B=max(0,Cg-G[id]);
					dp[Cr][Cg][2]= min(dp_[Cr][Cg][0],dp_[Cr][Cg][1]) + A + B;
				}				
			}
			
		for (Cr=0; Cr<=i && Cr<=v[0].size(); Cr++)
			for (Cg=0; Cg+Cr<=i && Cg<=v[1].size(); Cg++)
				for (t=0; t<=2; t++) 
					dp_[Cr][Cg][t]=dp[Cr][Cg][t];
	}
	
	int ans=1e9;
	for (t=0; t<3; ++t) {
		ans=min(ans,dp_[v[0].size()][v[1].size()][t]);
	}
	
	if (ans==1e9) ans=-1;
	cout<<ans<<"\n";
}

Compilation message

joi2019_ho_t3.cpp:14:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   14 | main () {
      |       ^
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:31:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |  for (Cr=0; Cr<=v[0].size(); Cr++)
      |             ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:32:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |   for (Cg=0; Cg<=v[1].size(); Cg++)
      |              ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:42:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |   for (Cr=0; Cr<=i && Cr<=v[0].size(); Cr++)
      |                       ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:43:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |    for (Cg=0; Cg+Cr<=i && Cg<=v[1].size(); Cg++)
      |                           ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:48:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |   for (Cr=0; Cr<=i && Cr<=v[0].size(); Cr++)
      |                       ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:49:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |    for (Cg=0; Cg+Cr<=i && Cg<=v[1].size(); Cg++) {
      |                           ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:51:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |     if (Cy>v[2].size()) continue;
      |         ~~^~~~~~~~~~~~
joi2019_ho_t3.cpp:72:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |   for (Cr=0; Cr<=i && Cr<=v[0].size(); Cr++)
      |                       ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:73:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |    for (Cg=0; Cg+Cr<=i && Cg<=v[1].size(); Cg++)
      |                           ~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 512 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 620 KB Output is correct
26 Correct 1 ms 620 KB Output is correct
27 Correct 1 ms 620 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 53 ms 492 KB Output is correct
32 Correct 1 ms 512 KB Output is correct
33 Correct 80 ms 616 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 512 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 45 ms 2924 KB Output is correct
3 Correct 43 ms 2924 KB Output is correct
4 Correct 44 ms 2924 KB Output is correct
5 Correct 45 ms 2924 KB Output is correct
6 Correct 44 ms 2924 KB Output is correct
7 Correct 44 ms 2924 KB Output is correct
8 Correct 46 ms 2924 KB Output is correct
9 Correct 53 ms 2924 KB Output is correct
10 Correct 44 ms 2924 KB Output is correct
11 Correct 44 ms 3052 KB Output is correct
12 Correct 7 ms 1516 KB Output is correct
13 Correct 16 ms 2028 KB Output is correct
14 Correct 29 ms 2412 KB Output is correct
15 Correct 48 ms 2940 KB Output is correct
16 Correct 45 ms 2924 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 512 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 620 KB Output is correct
26 Correct 1 ms 620 KB Output is correct
27 Correct 1 ms 620 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 53 ms 492 KB Output is correct
32 Correct 1 ms 512 KB Output is correct
33 Correct 80 ms 616 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 512 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 45 ms 2924 KB Output is correct
44 Correct 43 ms 2924 KB Output is correct
45 Correct 44 ms 2924 KB Output is correct
46 Correct 45 ms 2924 KB Output is correct
47 Correct 44 ms 2924 KB Output is correct
48 Correct 44 ms 2924 KB Output is correct
49 Correct 46 ms 2924 KB Output is correct
50 Correct 53 ms 2924 KB Output is correct
51 Correct 44 ms 2924 KB Output is correct
52 Correct 44 ms 3052 KB Output is correct
53 Correct 7 ms 1516 KB Output is correct
54 Correct 16 ms 2028 KB Output is correct
55 Correct 29 ms 2412 KB Output is correct
56 Correct 48 ms 2940 KB Output is correct
57 Correct 45 ms 2924 KB Output is correct
58 Correct 46 ms 1772 KB Output is correct
59 Correct 50 ms 2156 KB Output is correct
60 Correct 48 ms 2028 KB Output is correct
61 Correct 47 ms 2028 KB Output is correct
62 Correct 45 ms 3052 KB Output is correct
63 Correct 48 ms 2796 KB Output is correct
64 Correct 50 ms 2668 KB Output is correct
65 Correct 52 ms 2412 KB Output is correct
66 Correct 51 ms 2028 KB Output is correct
67 Correct 47 ms 1900 KB Output is correct
68 Correct 48 ms 2028 KB Output is correct
69 Correct 48 ms 2028 KB Output is correct
70 Correct 48 ms 2048 KB Output is correct
71 Correct 46 ms 2028 KB Output is correct
72 Correct 22 ms 2924 KB Output is correct
73 Correct 3 ms 364 KB Output is correct