oj.uz

Submission #768635

# Submission time Handle Problem Language Result Execution time Memory
768635 2023-06-28T10:19:26 Z parsadox2 Watermelon (INOI20_watermelon) C++14
100 / 100
 99 ms 30552 KB 
#include <bits/stdc++.h>
#define pb 		push_back
#define F		first
#define S 		second
#define debug(x)    cout << #x << "= " << x << ", "
#define ll 		long long
#define fast 		ios::sync_with_stdio(false), cin.tie(0),  cout.tie(0)
#define SZ(x)         (int) x.size()
#define wall 		cout << endl;
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int maxn = 1e5 + 10;
int n , k , ar[maxn] , deg[maxn] , C , fbi[maxn];
vector <int> adj[maxn];
set <int> cand;
vector <int> topol , ans;

void solve()
{
	if(cand.empty())
	{
		C++;
		if(C == k)
		{
			ans = topol;
		}
		return;
	}
	vector <int> tmp;
	for(auto v : cand)
	{
		tmp.pb(v);
		if(SZ(tmp) == k)
			break;
	}
	for(auto v : tmp)
	{
		cand.erase(v);
		topol.pb(v);
		for(auto u : adj[v])
		{
			deg[u]--;
			if(deg[u] == 0)
				cand.insert(u);
		}
		solve();
		if(C == k)
			return;
		for(auto u : adj[v])
		{
			deg[u]++;
			if(deg[u] == 1)  cand.erase(u);
		}
		cand.insert(v);
		topol.pop_back();
	}
}

int32_t main()
{
	fast;
	cin >> n >> k;
	for(int i = 1 ; i <= n ; i++)  cin >> ar[i];
	if(ar[n] != -1)
	{
		cout << -1 << endl;
		return 0;
	}
	vector <int> st;
	st.pb(n);
	bool ok = true;
	for(int i = n - 1 ; i > 0 ; i--)
	{
		int mx = 0;
		if(ar[i] == -1)
		{
			while(!st.empty())
			{
				auto now = st.back();
				adj[now].pb(i);
				deg[i]++;
				st.pop_back();
			}
			st.pb(i);
		}
		else
		{
			while(!st.empty())
			{
				auto now = st.back();
				if(ar[now] == -1 || ar[now] >= ar[i])
				{
					if(ar[i] != mx + 1)  ok = false;
					adj[i].pb(now);
					deg[now]++;
					break;
				}
				else if(ar[now] == mx)
					st.pop_back();
				else
				{
					mx = ar[now];
					adj[now].pb(i);
					deg[i]++;
					st.pop_back();
				}
			}
			st.pb(i);
		}
	}
	vector <int> vec;
	if(!ok)
	{
		cout << -1 << endl;
		return 0;
	}
	for(int i = 1 ; i <= n ; i++)  if(deg[i] == 0)  cand.insert(i);
	if(k == 1)
	{
		int ps = 1;
		while(!cand.empty())
		{
			auto now = *cand.begin();
			fbi[now] = ps;
			cand.erase(now);
			ps++;
			for(auto u : adj[now])
			{
				deg[u]--;
				if(deg[u] == 0)
					cand.insert(u);
			}
		}
		for(int i = 1 ; i <= n ; i++)  cout << fbi[i] << " ";
		return 0;
	}
	solve();
	if(C < k)
	{
		cout << -1 << endl;
		return 0;
	}
	for(int i = 0 ; i < n ; i++)
		fbi[ans[i]] = i + 1;
	for(int i = 1 ; i <= n ; i++)
		cout << fbi[i] << " ";
	cout << endl;
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 3 ms 2680 KB Output is correct
6 Correct 2 ms 2684 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2680 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 1 ms 2644 KB Output is correct
12 Correct 1 ms 2680 KB Output is correct
13 Correct 1 ms 2680 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 2 ms 2676 KB Output is correct
18 Correct 1 ms 2680 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2680 KB Output is correct
22 Correct 1 ms 2644 KB Output is correct
23 Correct 1 ms 2644 KB Output is correct
24 Correct 2 ms 2676 KB Output is correct
25 Correct 1 ms 2684 KB Output is correct
26 Correct 1 ms 2644 KB Output is correct
27 Correct 1 ms 2644 KB Output is correct
28 Correct 1 ms 2644 KB Output is correct
29 Correct 1 ms 2644 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 1 ms 2644 KB Output is correct
32 Correct 1 ms 2644 KB Output is correct
33 Correct 1 ms 2644 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 3 ms 2680 KB Output is correct
6 Correct 2 ms 2684 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2680 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 1 ms 2644 KB Output is correct
12 Correct 1 ms 2680 KB Output is correct
13 Correct 1 ms 2680 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 2 ms 2676 KB Output is correct
18 Correct 1 ms 2680 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2680 KB Output is correct
22 Correct 1 ms 2644 KB Output is correct
23 Correct 1 ms 2644 KB Output is correct
24 Correct 2 ms 2676 KB Output is correct
25 Correct 1 ms 2684 KB Output is correct
26 Correct 1 ms 2644 KB Output is correct
27 Correct 1 ms 2644 KB Output is correct
28 Correct 1 ms 2644 KB Output is correct
29 Correct 1 ms 2644 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 1 ms 2644 KB Output is correct
32 Correct 1 ms 2644 KB Output is correct
33 Correct 1 ms 2644 KB Output is correct
34 Correct 2 ms 3064 KB Output is correct
35 Correct 2 ms 3028 KB Output is correct
36 Correct 2 ms 2772 KB Output is correct
37 Correct 3 ms 2772 KB Output is correct
38 Correct 2 ms 3156 KB Output is correct
39 Correct 3 ms 3156 KB Output is correct
40 Correct 3 ms 3156 KB Output is correct
41 Correct 2 ms 3156 KB Output is correct
42 Correct 3 ms 3192 KB Output is correct
43 Correct 2 ms 3156 KB Output is correct
44 Correct 3 ms 3156 KB Output is correct
45 Correct 2 ms 3028 KB Output is correct
46 Correct 3 ms 3156 KB Output is correct
47 Correct 2 ms 2772 KB Output is correct
48 Correct 1 ms 2688 KB Output is correct
49 Correct 2 ms 2772 KB Output is correct
50 Correct 2 ms 2692 KB Output is correct
51 Correct 2 ms 2776 KB Output is correct
52 Correct 2 ms 2772 KB Output is correct
53 Correct 2 ms 3068 KB Output is correct
54 Correct 2 ms 3156 KB Output is correct
55 Correct 2 ms 2772 KB Output is correct
56 Correct 2 ms 2684 KB Output is correct
57 Correct 3 ms 3192 KB Output is correct
58 Correct 2 ms 3156 KB Output is correct
59 Correct 2 ms 3156 KB Output is correct
60 Correct 2 ms 3156 KB Output is correct
61 Correct 2 ms 3156 KB Output is correct
62 Correct 4 ms 3156 KB Output is correct
63 Correct 2 ms 2772 KB Output is correct
64 Correct 2 ms 2900 KB Output is correct
65 Correct 2 ms 3028 KB Output is correct

Subtask #3
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 5856 KB Output is correct
2 Correct 8 ms 4876 KB Output is correct
3 Correct 15 ms 5980 KB Output is correct
4 Correct 12 ms 4820 KB Output is correct
5 Correct 15 ms 5972 KB Output is correct
6 Correct 22 ms 5928 KB Output is correct
7 Correct 22 ms 5968 KB Output is correct
8 Correct 16 ms 6012 KB Output is correct
9 Correct 15 ms 5976 KB Output is correct
10 Correct 15 ms 5896 KB Output is correct
11 Correct 33 ms 9304 KB Output is correct
12 Correct 28 ms 9188 KB Output is correct
13 Correct 30 ms 9264 KB Output is correct
14 Correct 29 ms 9232 KB Output is correct
15 Correct 15 ms 7024 KB Output is correct
16 Correct 20 ms 7056 KB Output is correct
17 Correct 15 ms 7016 KB Output is correct
18 Correct 15 ms 7056 KB Output is correct
19 Correct 15 ms 7124 KB Output is correct
20 Correct 16 ms 7088 KB Output is correct
21 Correct 15 ms 7100 KB Output is correct
22 Correct 14 ms 7104 KB Output is correct
23 Correct 16 ms 7036 KB Output is correct
24 Correct 26 ms 8064 KB Output is correct
25 Correct 29 ms 8020 KB Output is correct
26 Correct 26 ms 7964 KB Output is correct
27 Correct 27 ms 7948 KB Output is correct
28 Correct 26 ms 8008 KB Output is correct
29 Correct 27 ms 8044 KB Output is correct
30 Correct 9 ms 4180 KB Output is correct
31 Correct 13 ms 5204 KB Output is correct
32 Correct 21 ms 7332 KB Output is correct
33 Correct 24 ms 7920 KB Output is correct
34 Correct 5 ms 3204 KB Output is correct
35 Correct 7 ms 3664 KB Output is correct
36 Correct 13 ms 5304 KB Output is correct
37 Correct 25 ms 7832 KB Output is correct
38 Correct 29 ms 8184 KB Output is correct
39 Correct 25 ms 7860 KB Output is correct
40 Correct 29 ms 10156 KB Output is correct
41 Correct 23 ms 8028 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 5856 KB Output is correct
2 Correct 8 ms 4876 KB Output is correct
3 Correct 15 ms 5980 KB Output is correct
4 Correct 12 ms 4820 KB Output is correct
5 Correct 15 ms 5972 KB Output is correct
6 Correct 22 ms 5928 KB Output is correct
7 Correct 22 ms 5968 KB Output is correct
8 Correct 16 ms 6012 KB Output is correct
9 Correct 15 ms 5976 KB Output is correct
10 Correct 15 ms 5896 KB Output is correct
11 Correct 33 ms 9304 KB Output is correct
12 Correct 28 ms 9188 KB Output is correct
13 Correct 30 ms 9264 KB Output is correct
14 Correct 29 ms 9232 KB Output is correct
15 Correct 15 ms 7024 KB Output is correct
16 Correct 20 ms 7056 KB Output is correct
17 Correct 15 ms 7016 KB Output is correct
18 Correct 15 ms 7056 KB Output is correct
19 Correct 15 ms 7124 KB Output is correct
20 Correct 16 ms 7088 KB Output is correct
21 Correct 15 ms 7100 KB Output is correct
22 Correct 14 ms 7104 KB Output is correct
23 Correct 16 ms 7036 KB Output is correct
24 Correct 26 ms 8064 KB Output is correct
25 Correct 29 ms 8020 KB Output is correct
26 Correct 26 ms 7964 KB Output is correct
27 Correct 27 ms 7948 KB Output is correct
28 Correct 26 ms 8008 KB Output is correct
29 Correct 27 ms 8044 KB Output is correct
30 Correct 9 ms 4180 KB Output is correct
31 Correct 13 ms 5204 KB Output is correct
32 Correct 21 ms 7332 KB Output is correct
33 Correct 24 ms 7920 KB Output is correct
34 Correct 5 ms 3204 KB Output is correct
35 Correct 7 ms 3664 KB Output is correct
36 Correct 13 ms 5304 KB Output is correct
37 Correct 25 ms 7832 KB Output is correct
38 Correct 29 ms 8184 KB Output is correct
39 Correct 25 ms 7860 KB Output is correct
40 Correct 29 ms 10156 KB Output is correct
41 Correct 23 ms 8028 KB Output is correct
42 Correct 25 ms 14212 KB Output is correct
43 Correct 10 ms 4820 KB Output is correct
44 Correct 24 ms 14140 KB Output is correct
45 Correct 11 ms 4872 KB Output is correct
46 Correct 9 ms 4820 KB Output is correct
47 Correct 11 ms 4820 KB Output is correct
48 Correct 11 ms 4848 KB Output is correct
49 Correct 25 ms 14184 KB Output is correct
50 Correct 30 ms 14200 KB Output is correct
51 Correct 25 ms 14196 KB Output is correct
52 Correct 51 ms 25704 KB Output is correct
53 Correct 59 ms 25740 KB Output is correct
54 Correct 15 ms 7124 KB Output is correct
55 Correct 15 ms 7048 KB Output is correct
56 Correct 42 ms 23492 KB Output is correct
57 Correct 42 ms 25872 KB Output is correct
58 Correct 41 ms 25860 KB Output is correct
59 Correct 54 ms 25752 KB Output is correct
60 Correct 49 ms 25884 KB Output is correct
61 Correct 50 ms 25776 KB Output is correct
62 Correct 31 ms 24692 KB Output is correct
63 Correct 44 ms 25976 KB Output is correct
64 Correct 44 ms 26092 KB Output is correct

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 3 ms 2680 KB Output is correct
6 Correct 2 ms 2684 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2680 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 1 ms 2644 KB Output is correct
12 Correct 1 ms 2680 KB Output is correct
13 Correct 1 ms 2680 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 2 ms 2676 KB Output is correct
18 Correct 1 ms 2680 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2680 KB Output is correct
22 Correct 1 ms 2644 KB Output is correct
23 Correct 1 ms 2644 KB Output is correct
24 Correct 2 ms 2676 KB Output is correct
25 Correct 1 ms 2684 KB Output is correct
26 Correct 1 ms 2644 KB Output is correct
27 Correct 1 ms 2644 KB Output is correct
28 Correct 1 ms 2644 KB Output is correct
29 Correct 1 ms 2644 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 1 ms 2644 KB Output is correct
32 Correct 1 ms 2644 KB Output is correct
33 Correct 1 ms 2644 KB Output is correct
34 Correct 2 ms 3064 KB Output is correct
35 Correct 2 ms 3028 KB Output is correct
36 Correct 2 ms 2772 KB Output is correct
37 Correct 3 ms 2772 KB Output is correct
38 Correct 2 ms 3156 KB Output is correct
39 Correct 3 ms 3156 KB Output is correct
40 Correct 3 ms 3156 KB Output is correct
41 Correct 2 ms 3156 KB Output is correct
42 Correct 3 ms 3192 KB Output is correct
43 Correct 2 ms 3156 KB Output is correct
44 Correct 3 ms 3156 KB Output is correct
45 Correct 2 ms 3028 KB Output is correct
46 Correct 3 ms 3156 KB Output is correct
47 Correct 2 ms 2772 KB Output is correct
48 Correct 1 ms 2688 KB Output is correct
49 Correct 2 ms 2772 KB Output is correct
50 Correct 2 ms 2692 KB Output is correct
51 Correct 2 ms 2776 KB Output is correct
52 Correct 2 ms 2772 KB Output is correct
53 Correct 2 ms 3068 KB Output is correct
54 Correct 2 ms 3156 KB Output is correct
55 Correct 2 ms 2772 KB Output is correct
56 Correct 2 ms 2684 KB Output is correct
57 Correct 3 ms 3192 KB Output is correct
58 Correct 2 ms 3156 KB Output is correct
59 Correct 2 ms 3156 KB Output is correct
60 Correct 2 ms 3156 KB Output is correct
61 Correct 2 ms 3156 KB Output is correct
62 Correct 4 ms 3156 KB Output is correct
63 Correct 2 ms 2772 KB Output is correct
64 Correct 2 ms 2900 KB Output is correct
65 Correct 2 ms 3028 KB Output is correct
66 Correct 15 ms 5856 KB Output is correct
67 Correct 8 ms 4876 KB Output is correct
68 Correct 15 ms 5980 KB Output is correct
69 Correct 12 ms 4820 KB Output is correct
70 Correct 15 ms 5972 KB Output is correct
71 Correct 22 ms 5928 KB Output is correct
72 Correct 22 ms 5968 KB Output is correct
73 Correct 16 ms 6012 KB Output is correct
74 Correct 15 ms 5976 KB Output is correct
75 Correct 15 ms 5896 KB Output is correct
76 Correct 33 ms 9304 KB Output is correct
77 Correct 28 ms 9188 KB Output is correct
78 Correct 30 ms 9264 KB Output is correct
79 Correct 29 ms 9232 KB Output is correct
80 Correct 15 ms 7024 KB Output is correct
81 Correct 20 ms 7056 KB Output is correct
82 Correct 15 ms 7016 KB Output is correct
83 Correct 15 ms 7056 KB Output is correct
84 Correct 15 ms 7124 KB Output is correct
85 Correct 16 ms 7088 KB Output is correct
86 Correct 15 ms 7100 KB Output is correct
87 Correct 14 ms 7104 KB Output is correct
88 Correct 16 ms 7036 KB Output is correct
89 Correct 26 ms 8064 KB Output is correct
90 Correct 29 ms 8020 KB Output is correct
91 Correct 26 ms 7964 KB Output is correct
92 Correct 27 ms 7948 KB Output is correct
93 Correct 26 ms 8008 KB Output is correct
94 Correct 27 ms 8044 KB Output is correct
95 Correct 9 ms 4180 KB Output is correct
96 Correct 13 ms 5204 KB Output is correct
97 Correct 21 ms 7332 KB Output is correct
98 Correct 24 ms 7920 KB Output is correct
99 Correct 5 ms 3204 KB Output is correct
100 Correct 7 ms 3664 KB Output is correct
101 Correct 13 ms 5304 KB Output is correct
102 Correct 25 ms 7832 KB Output is correct
103 Correct 29 ms 8184 KB Output is correct
104 Correct 25 ms 7860 KB Output is correct
105 Correct 29 ms 10156 KB Output is correct
106 Correct 23 ms 8028 KB Output is correct
107 Correct 25 ms 14212 KB Output is correct
108 Correct 10 ms 4820 KB Output is correct
109 Correct 24 ms 14140 KB Output is correct
110 Correct 11 ms 4872 KB Output is correct
111 Correct 9 ms 4820 KB Output is correct
112 Correct 11 ms 4820 KB Output is correct
113 Correct 11 ms 4848 KB Output is correct
114 Correct 25 ms 14184 KB Output is correct
115 Correct 30 ms 14200 KB Output is correct
116 Correct 25 ms 14196 KB Output is correct
117 Correct 51 ms 25704 KB Output is correct
118 Correct 59 ms 25740 KB Output is correct
119 Correct 15 ms 7124 KB Output is correct
120 Correct 15 ms 7048 KB Output is correct
121 Correct 42 ms 23492 KB Output is correct
122 Correct 42 ms 25872 KB Output is correct
123 Correct 41 ms 25860 KB Output is correct
124 Correct 54 ms 25752 KB Output is correct
125 Correct 49 ms 25884 KB Output is correct
126 Correct 50 ms 25776 KB Output is correct
127 Correct 31 ms 24692 KB Output is correct
128 Correct 44 ms 25976 KB Output is correct
129 Correct 44 ms 26092 KB Output is correct
130 Correct 2 ms 2644 KB Output is correct
131 Correct 2 ms 2644 KB Output is correct
132 Correct 2 ms 2644 KB Output is correct
133 Correct 58 ms 27300 KB Output is correct
134 Correct 53 ms 27224 KB Output is correct
135 Correct 64 ms 30440 KB Output is correct
136 Correct 23 ms 7124 KB Output is correct
137 Correct 17 ms 7108 KB Output is correct
138 Correct 16 ms 7116 KB Output is correct
139 Correct 15 ms 7072 KB Output is correct
140 Correct 15 ms 7068 KB Output is correct
141 Correct 15 ms 7056 KB Output is correct
142 Correct 66 ms 30280 KB Output is correct
143 Correct 64 ms 30452 KB Output is correct
144 Correct 63 ms 30552 KB Output is correct
145 Correct 46 ms 27796 KB Output is correct
146 Correct 51 ms 30400 KB Output is correct
147 Correct 62 ms 30020 KB Output is correct
148 Correct 72 ms 26480 KB Output is correct
149 Correct 99 ms 28164 KB Output is correct
150 Correct 66 ms 26512 KB Output is correct
151 Correct 46 ms 26792 KB Output is correct
152 Correct 64 ms 27224 KB Output is correct
153 Correct 23 ms 7944 KB Output is correct
154 Correct 24 ms 7992 KB Output is correct
155 Correct 32 ms 8128 KB Output is correct
156 Correct 24 ms 8020 KB Output is correct
157 Correct 23 ms 8040 KB Output is correct
158 Correct 24 ms 7944 KB Output is correct
159 Correct 24 ms 7964 KB Output is correct
160 Correct 24 ms 8024 KB Output is correct