oj.uz

Submission #246463

# Submission time Handle Problem Language Result Execution time Memory
246463 2020-07-09T11:30:03 Z groeneprof Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 249 ms 114936 KB 
#include <bits/stdc++.h>
//#define int long long
#define P(x) do {if(debug) cout << x << endl;} while(false)
#define H(x) P(#x << ": " << x)
#define FR(i, a, b) for(int i = (a); i < (b); ++i)
#define F(i, n) FR(i, 0, n)
#define DR(i, a, b) for(int i = (b); i --> (a);)
#define D(i, n) DR(i, 0, n)
#define S(s) (int)(s).size()
#define ALL(x) (x).begin(), (x).end()
#define MI(x, a) (x) = min(x, a)
#define MA(x, a) (x) = max(x, a)
#define V vector
#define pb push_back
#define mp make_pair

using namespace std;
const bool debug = 0;
const int inf = 1e9;
int n;
vector<int> color;
vector<int> pos[3];
int dp[400][400][400][3];
bool vis[400][400][400][3];
vector<vector<int> > pref;

int offset(int a[3], int i){
	int res = 0;
	F(j,3){
		res+=max(0,a[j] - pref[j][i]);
	}	
	return res;
}

int solve(int a[3], int last){
	int g = a[0], y = a[1], r = a[2];
	H(g); H(y); H(r); H(last);
	int j = g + y + r;
	if(vis[g][y][r][last]){
		P("visited, return: "<<dp[g][y][r][last]);
		return dp[g][y][r][last];
	}
	if(g+y+r==n){
		P("reached end");
		return 0;
	}
	vis[g][y][r][last] = 1;
	dp[g][y][r][last] = inf;
	for(int i = 0; i<3; i++) if(i!=last && a[i] < pos[i].size()){
		H(i);
		H(offset(a,pos[i][a[i]]));
		int extra = pos[i][a[i]] + offset(a,pos[i][a[i]]) - j;
		a[i] ++;
		dp[g][y][r][last] = min(dp[g][y][r][last], solve(a,i)+extra);
		P("a");
		a[i] --;
		
		P("c");

	}
	P("d");
	P(g<<" "<<y<<" "<<r<<" "<<last<<" returns "<< dp[g][y][r][last]);
	return dp[g][y][r][last];
}

signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cin>>n;
	map<char,int> mp;
	color.resize(n);
	mp['G'] = 0;
	mp['Y'] = 1;
	mp['R'] = 2;
	pref.resize(3, vector<int> (n+1,0));
	for(int i = 0; i<n; i++){
		char c;
		cin>>c;
		color[i] = mp[c];
		pos[mp[c]].push_back(i);
		F(j,3){
			pref[j][i+1] = pref[j][i];
		}
		pref[mp[c]][i+1]++;
	}
	int a[] = {0,0,0};
	int ans = min(solve(a,0),solve(a,1));
	if(ans < 1e6){
		cout<<ans<<endl;
	}
	else{
		cout<<-1<<endl;
	}
	return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int solve(int*, int)':
joi2019_ho_t3.cpp:49:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i<3; i++) if(i!=last && a[i] < pos[i].size()){
                                         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 4 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 4 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 7 ms 2560 KB Output is correct
19 Correct 6 ms 2944 KB Output is correct
20 Correct 6 ms 2304 KB Output is correct
21 Correct 6 ms 2816 KB Output is correct
22 Correct 6 ms 2224 KB Output is correct
23 Correct 7 ms 3072 KB Output is correct
24 Correct 6 ms 2944 KB Output is correct
25 Correct 6 ms 768 KB Output is correct
26 Correct 6 ms 896 KB Output is correct
27 Correct 6 ms 1920 KB Output is correct
28 Correct 6 ms 2688 KB Output is correct
29 Correct 6 ms 2560 KB Output is correct
30 Correct 7 ms 3072 KB Output is correct
31 Correct 7 ms 3200 KB Output is correct
32 Correct 6 ms 2944 KB Output is correct
33 Correct 5 ms 1024 KB Output is correct
34 Correct 5 ms 1280 KB Output is correct
35 Correct 6 ms 2304 KB Output is correct
36 Correct 6 ms 2688 KB Output is correct
37 Correct 8 ms 2944 KB Output is correct
38 Correct 6 ms 3072 KB Output is correct
39 Correct 6 ms 2944 KB Output is correct
40 Correct 5 ms 768 KB Output is correct
41 Correct 5 ms 1024 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 6 ms 2944 KB Output is correct
3 Correct 6 ms 2944 KB Output is correct
4 Correct 6 ms 2944 KB Output is correct
5 Correct 6 ms 2944 KB Output is correct
6 Correct 6 ms 2944 KB Output is correct
7 Correct 6 ms 2944 KB Output is correct
8 Correct 6 ms 2944 KB Output is correct
9 Correct 6 ms 2944 KB Output is correct
10 Correct 6 ms 2988 KB Output is correct
11 Correct 6 ms 2944 KB Output is correct
12 Correct 5 ms 1664 KB Output is correct
13 Correct 6 ms 2048 KB Output is correct
14 Correct 6 ms 2432 KB Output is correct
15 Correct 6 ms 2944 KB Output is correct
16 Correct 6 ms 2944 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 4 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 7 ms 2560 KB Output is correct
19 Correct 6 ms 2944 KB Output is correct
20 Correct 6 ms 2304 KB Output is correct
21 Correct 6 ms 2816 KB Output is correct
22 Correct 6 ms 2224 KB Output is correct
23 Correct 7 ms 3072 KB Output is correct
24 Correct 6 ms 2944 KB Output is correct
25 Correct 6 ms 768 KB Output is correct
26 Correct 6 ms 896 KB Output is correct
27 Correct 6 ms 1920 KB Output is correct
28 Correct 6 ms 2688 KB Output is correct
29 Correct 6 ms 2560 KB Output is correct
30 Correct 7 ms 3072 KB Output is correct
31 Correct 7 ms 3200 KB Output is correct
32 Correct 6 ms 2944 KB Output is correct
33 Correct 5 ms 1024 KB Output is correct
34 Correct 5 ms 1280 KB Output is correct
35 Correct 6 ms 2304 KB Output is correct
36 Correct 6 ms 2688 KB Output is correct
37 Correct 8 ms 2944 KB Output is correct
38 Correct 6 ms 3072 KB Output is correct
39 Correct 6 ms 2944 KB Output is correct
40 Correct 5 ms 768 KB Output is correct
41 Correct 5 ms 1024 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 6 ms 2944 KB Output is correct
44 Correct 6 ms 2944 KB Output is correct
45 Correct 6 ms 2944 KB Output is correct
46 Correct 6 ms 2944 KB Output is correct
47 Correct 6 ms 2944 KB Output is correct
48 Correct 6 ms 2944 KB Output is correct
49 Correct 6 ms 2944 KB Output is correct
50 Correct 6 ms 2944 KB Output is correct
51 Correct 6 ms 2988 KB Output is correct
52 Correct 6 ms 2944 KB Output is correct
53 Correct 5 ms 1664 KB Output is correct
54 Correct 6 ms 2048 KB Output is correct
55 Correct 6 ms 2432 KB Output is correct
56 Correct 6 ms 2944 KB Output is correct
57 Correct 6 ms 2944 KB Output is correct
58 Correct 212 ms 109560 KB Output is correct
59 Correct 249 ms 96224 KB Output is correct
60 Correct 218 ms 96632 KB Output is correct
61 Correct 203 ms 104056 KB Output is correct
62 Correct 8 ms 6528 KB Output is correct
63 Correct 12 ms 11264 KB Output is correct
64 Correct 48 ms 36728 KB Output is correct
65 Correct 100 ms 60284 KB Output is correct
66 Correct 203 ms 100216 KB Output is correct
67 Correct 203 ms 114936 KB Output is correct
68 Correct 214 ms 101752 KB Output is correct
69 Correct 208 ms 102504 KB Output is correct
70 Correct 205 ms 102904 KB Output is correct
71 Correct 200 ms 90204 KB Output is correct
72 Correct 16 ms 11648 KB Output is correct
73 Correct 8 ms 7168 KB Output is correct