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Submission #1078888

# Submission time Handle Problem Language Result Execution time Memory
1078888 2024-08-28T07:48:29 Z wangziyanmo Stranded Far From Home (BOI22_island) C++17
100 / 100
 247 ms 31804 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

pair<int,int> s[200010];
int v[200010];
vector<int> e[200010];
int vis[200010],ans[200010];

struct comp{
	int val,num;
	bool operator < (const comp &cmp) const{
		return val>cmp.val;
	}
};

signed main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	int n,m;cin>>n>>m;
	for (int i=1;i<=n;i++){
		cin>>s[i].first;s[i].second=i;
		v[i]=s[i].first;
		ans[i]=-1;
	}
	sort(s+1,s+n+1);
	for (int i=1;i<=m;i++){
		int a,b;cin>>a>>b;
		e[a].push_back(b);e[b].push_back(a);
	}
	for (int i=1;i<=n;i++){
		if (ans[s[i].second]>=0) continue;
		priority_queue<comp> pq;
		int sum=0,mx=0;
		pq.push({s[i].first,s[i].second});
		vector<int> as;
		int got=1;
		vis[s[i].second]=i;
		while (pq.size()){
			auto k=pq.top();pq.pop();
			if (k.val>sum && sum>0){
				got=0;break;
			}
			if (k.val>=mx){
				if (ans[k.num]!=-1){
					got=ans[k.num];break;
				}
				mx=k.val;as.push_back(k.num);
			}
			sum+=k.val;
			for (auto x:e[k.num]){
				if (vis[x]==i) continue;
				vis[x]=i;
				pq.push({v[x],x});
			}
		}
		for (auto x:as) ans[x]=got;
	}
	for (int i=1;i<=n;i++) cout<<ans[i];
	cout<<"\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 3 ms 5212 KB Output is correct
5 Correct 4 ms 5340 KB Output is correct
6 Correct 3 ms 5212 KB Output is correct
7 Correct 4 ms 5212 KB Output is correct
8 Correct 3 ms 5212 KB Output is correct
9 Correct 3 ms 5184 KB Output is correct
10 Correct 3 ms 5212 KB Output is correct
11 Correct 3 ms 5364 KB Output is correct
12 Correct 4 ms 5212 KB Output is correct
13 Correct 3 ms 5212 KB Output is correct
14 Correct 3 ms 5212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 5160 KB Output is correct
3 Correct 93 ms 25408 KB Output is correct
4 Correct 82 ms 24900 KB Output is correct
5 Correct 198 ms 23992 KB Output is correct
6 Correct 186 ms 24792 KB Output is correct
7 Correct 191 ms 24672 KB Output is correct
8 Correct 92 ms 26832 KB Output is correct
9 Correct 179 ms 25948 KB Output is correct
10 Correct 104 ms 28632 KB Output is correct
11 Correct 95 ms 30776 KB Output is correct
12 Correct 99 ms 23636 KB Output is correct
13 Correct 83 ms 23748 KB Output is correct
14 Correct 84 ms 23748 KB Output is correct
15 Correct 87 ms 25284 KB Output is correct
16 Correct 66 ms 24520 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4952 KB Output is correct
2 Correct 192 ms 23640 KB Output is correct
3 Correct 184 ms 23676 KB Output is correct
4 Correct 92 ms 25288 KB Output is correct
5 Correct 78 ms 23756 KB Output is correct
6 Correct 194 ms 23632 KB Output is correct
7 Correct 87 ms 25284 KB Output is correct
8 Correct 105 ms 25284 KB Output is correct
9 Correct 66 ms 24520 KB Output is correct
10 Correct 89 ms 24012 KB Output is correct
11 Correct 140 ms 22660 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 192 ms 25208 KB Output is correct
3 Correct 161 ms 25008 KB Output is correct
4 Correct 157 ms 25036 KB Output is correct
5 Correct 109 ms 26860 KB Output is correct
6 Correct 93 ms 26312 KB Output is correct
7 Correct 85 ms 31804 KB Output is correct
8 Correct 85 ms 27548 KB Output is correct
9 Correct 93 ms 18080 KB Output is correct
10 Correct 114 ms 25384 KB Output is correct
11 Correct 121 ms 22700 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 3 ms 5212 KB Output is correct
5 Correct 4 ms 5340 KB Output is correct
6 Correct 3 ms 5212 KB Output is correct
7 Correct 4 ms 5212 KB Output is correct
8 Correct 3 ms 5212 KB Output is correct
9 Correct 3 ms 5184 KB Output is correct
10 Correct 3 ms 5212 KB Output is correct
11 Correct 3 ms 5364 KB Output is correct
12 Correct 4 ms 5212 KB Output is correct
13 Correct 3 ms 5212 KB Output is correct
14 Correct 3 ms 5212 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 2 ms 5160 KB Output is correct
17 Correct 93 ms 25408 KB Output is correct
18 Correct 82 ms 24900 KB Output is correct
19 Correct 198 ms 23992 KB Output is correct
20 Correct 186 ms 24792 KB Output is correct
21 Correct 191 ms 24672 KB Output is correct
22 Correct 92 ms 26832 KB Output is correct
23 Correct 179 ms 25948 KB Output is correct
24 Correct 104 ms 28632 KB Output is correct
25 Correct 95 ms 30776 KB Output is correct
26 Correct 99 ms 23636 KB Output is correct
27 Correct 83 ms 23748 KB Output is correct
28 Correct 84 ms 23748 KB Output is correct
29 Correct 87 ms 25284 KB Output is correct
30 Correct 66 ms 24520 KB Output is correct
31 Correct 3 ms 4952 KB Output is correct
32 Correct 192 ms 23640 KB Output is correct
33 Correct 184 ms 23676 KB Output is correct
34 Correct 92 ms 25288 KB Output is correct
35 Correct 78 ms 23756 KB Output is correct
36 Correct 194 ms 23632 KB Output is correct
37 Correct 87 ms 25284 KB Output is correct
38 Correct 105 ms 25284 KB Output is correct
39 Correct 66 ms 24520 KB Output is correct
40 Correct 89 ms 24012 KB Output is correct
41 Correct 140 ms 22660 KB Output is correct
42 Correct 2 ms 4956 KB Output is correct
43 Correct 192 ms 25208 KB Output is correct
44 Correct 161 ms 25008 KB Output is correct
45 Correct 157 ms 25036 KB Output is correct
46 Correct 109 ms 26860 KB Output is correct
47 Correct 93 ms 26312 KB Output is correct
48 Correct 85 ms 31804 KB Output is correct
49 Correct 85 ms 27548 KB Output is correct
50 Correct 93 ms 18080 KB Output is correct
51 Correct 114 ms 25384 KB Output is correct
52 Correct 121 ms 22700 KB Output is correct
53 Correct 2 ms 4956 KB Output is correct
54 Correct 2 ms 4956 KB Output is correct
55 Correct 2 ms 4956 KB Output is correct
56 Correct 3 ms 5212 KB Output is correct
57 Correct 4 ms 5212 KB Output is correct
58 Correct 3 ms 5228 KB Output is correct
59 Correct 3 ms 5212 KB Output is correct
60 Correct 3 ms 5212 KB Output is correct
61 Correct 3 ms 5284 KB Output is correct
62 Correct 3 ms 5236 KB Output is correct
63 Correct 4 ms 5212 KB Output is correct
64 Correct 4 ms 5468 KB Output is correct
65 Correct 3 ms 5212 KB Output is correct
66 Correct 4 ms 5212 KB Output is correct
67 Correct 96 ms 25548 KB Output is correct
68 Correct 82 ms 24880 KB Output is correct
69 Correct 181 ms 24092 KB Output is correct
70 Correct 184 ms 24656 KB Output is correct
71 Correct 173 ms 24660 KB Output is correct
72 Correct 107 ms 26832 KB Output is correct
73 Correct 149 ms 25936 KB Output is correct
74 Correct 121 ms 28624 KB Output is correct
75 Correct 96 ms 30780 KB Output is correct
76 Correct 103 ms 23540 KB Output is correct
77 Correct 83 ms 23748 KB Output is correct
78 Correct 96 ms 23784 KB Output is correct
79 Correct 83 ms 25288 KB Output is correct
80 Correct 64 ms 24520 KB Output is correct
81 Correct 202 ms 23756 KB Output is correct
82 Correct 193 ms 23636 KB Output is correct
83 Correct 98 ms 25216 KB Output is correct
84 Correct 87 ms 23656 KB Output is correct
85 Correct 195 ms 23820 KB Output is correct
86 Correct 91 ms 25280 KB Output is correct
87 Correct 102 ms 25240 KB Output is correct
88 Correct 95 ms 24012 KB Output is correct
89 Correct 147 ms 22732 KB Output is correct
90 Correct 177 ms 25036 KB Output is correct
91 Correct 155 ms 24916 KB Output is correct
92 Correct 164 ms 24916 KB Output is correct
93 Correct 120 ms 26696 KB Output is correct
94 Correct 104 ms 26428 KB Output is correct
95 Correct 98 ms 31796 KB Output is correct
96 Correct 84 ms 27484 KB Output is correct
97 Correct 100 ms 18084 KB Output is correct
98 Correct 110 ms 25300 KB Output is correct
99 Correct 120 ms 22736 KB Output is correct
100 Correct 28 ms 11612 KB Output is correct
101 Correct 247 ms 24752 KB Output is correct
102 Correct 101 ms 24860 KB Output is correct
103 Correct 150 ms 24020 KB Output is correct
104 Correct 193 ms 24868 KB Output is correct