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답안 #757906

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
757906 2023-06-14T01:12:13 Z fdnfksd Stranded Far From Home (BOI22_island) C++14
100 / 100
 173 ms 38760 KB 
#include<bits/stdc++.h>
#define TASKNAME "codeforce"
#define pb push_back
#define pli pair<int,int>
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxN=2e5+10;
const ll inf=1e18;
const ll mod=1e9+7;
ll lab[maxN];
ll sum[maxN];
ll findset(ll x)
{
    return lab[x]<0?x:lab[x]=findset(lab[x]);
}
vector<ll>vec[maxN];
void unite(ll u,ll v,ll w)
{
    u=findset(u);
    v=findset(v);
    if(u==v) return;
    if(lab[u]>lab[v]) swap(u,v);
    if(sum[u]<w)
    {
        if(sum[v]<w)
        {
            vec[u].clear();
        }
        else
        {
            swap(vec[u],vec[v]);
        }
        vec[v].clear();
    }
    else
    {
        if(sum[v]>=w)
        {
            for(auto zz:vec[v]) vec[u].pb(zz);
        }
        vec[v].clear();
    }
    sum[u]+=sum[v];
    lab[u]+=lab[v];
    lab[v]=u;
}
ll n,m,ans[maxN],a[maxN];
struct edge
{
    ll u,v,w;
    bool operator<(const edge&o)
    {
        return w<o.w;
    }
}e[maxN];
void solve()
{
    cin >> n >> m;
    for(int i=1;i<=n;i++) cin >> a[i],vec[i].pb(i),ans[i]=0,sum[i]=a[i],lab[i]=-1;
    for(int i=1;i<=m;i++)
    {
        cin >> e[i].u >> e[i].v;
        e[i].w=max(a[e[i].u],a[e[i].v]);
    }
    sort(e+1,e+m+1);
    for(int i=1;i<=m;i++)
    {
        unite(e[i].u,e[i].v,e[i].w);
    }
    ll x=findset(1);
    for(auto zz:vec[x])
    {
        ans[zz]=1;
    }
    for(int i=1;i<=n;i++) cout << ans[i];
 
}
int main()
{
    fastio
    //freopen(TASKNAME".INP","r",stdin);
    //freopen(TASKNAME".OUT","w",stdout);
    solve();
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 5040 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 4 ms 5304 KB Output is correct
5 Correct 4 ms 5300 KB Output is correct
6 Correct 4 ms 5204 KB Output is correct
7 Correct 4 ms 5204 KB Output is correct
8 Correct 3 ms 5168 KB Output is correct
9 Correct 4 ms 5176 KB Output is correct
10 Correct 4 ms 5332 KB Output is correct
11 Correct 4 ms 5332 KB Output is correct
12 Correct 4 ms 5264 KB Output is correct
13 Correct 4 ms 5308 KB Output is correct
14 Correct 4 ms 5204 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 121 ms 25664 KB Output is correct
4 Correct 141 ms 36244 KB Output is correct
5 Correct 112 ms 27956 KB Output is correct
6 Correct 120 ms 28796 KB Output is correct
7 Correct 123 ms 28800 KB Output is correct
8 Correct 150 ms 33080 KB Output is correct
9 Correct 109 ms 31820 KB Output is correct
10 Correct 93 ms 23096 KB Output is correct
11 Correct 112 ms 25252 KB Output is correct
12 Correct 144 ms 27828 KB Output is correct
13 Correct 159 ms 38668 KB Output is correct
14 Correct 147 ms 37180 KB Output is correct
15 Correct 97 ms 25152 KB Output is correct
16 Correct 78 ms 25092 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 5036 KB Output is correct
2 Correct 139 ms 30320 KB Output is correct
3 Correct 133 ms 30604 KB Output is correct
4 Correct 149 ms 38760 KB Output is correct
5 Correct 153 ms 38412 KB Output is correct
6 Correct 135 ms 30520 KB Output is correct
7 Correct 101 ms 25152 KB Output is correct
8 Correct 96 ms 25168 KB Output is correct
9 Correct 75 ms 24924 KB Output is correct
10 Correct 119 ms 30628 KB Output is correct
11 Correct 129 ms 32532 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 124 ms 26376 KB Output is correct
3 Correct 126 ms 27332 KB Output is correct
4 Correct 165 ms 28840 KB Output is correct
5 Correct 173 ms 31644 KB Output is correct
6 Correct 133 ms 28124 KB Output is correct
7 Correct 112 ms 25148 KB Output is correct
8 Correct 90 ms 28668 KB Output is correct
9 Correct 77 ms 18228 KB Output is correct
10 Correct 139 ms 32988 KB Output is correct
11 Correct 134 ms 32068 KB Output is correct

Subtask #5
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 5040 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 4 ms 5304 KB Output is correct
5 Correct 4 ms 5300 KB Output is correct
6 Correct 4 ms 5204 KB Output is correct
7 Correct 4 ms 5204 KB Output is correct
8 Correct 3 ms 5168 KB Output is correct
9 Correct 4 ms 5176 KB Output is correct
10 Correct 4 ms 5332 KB Output is correct
11 Correct 4 ms 5332 KB Output is correct
12 Correct 4 ms 5264 KB Output is correct
13 Correct 4 ms 5308 KB Output is correct
14 Correct 4 ms 5204 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 121 ms 25664 KB Output is correct
18 Correct 141 ms 36244 KB Output is correct
19 Correct 112 ms 27956 KB Output is correct
20 Correct 120 ms 28796 KB Output is correct
21 Correct 123 ms 28800 KB Output is correct
22 Correct 150 ms 33080 KB Output is correct
23 Correct 109 ms 31820 KB Output is correct
24 Correct 93 ms 23096 KB Output is correct
25 Correct 112 ms 25252 KB Output is correct
26 Correct 144 ms 27828 KB Output is correct
27 Correct 159 ms 38668 KB Output is correct
28 Correct 147 ms 37180 KB Output is correct
29 Correct 97 ms 25152 KB Output is correct
30 Correct 78 ms 25092 KB Output is correct
31 Correct 3 ms 5036 KB Output is correct
32 Correct 139 ms 30320 KB Output is correct
33 Correct 133 ms 30604 KB Output is correct
34 Correct 149 ms 38760 KB Output is correct
35 Correct 153 ms 38412 KB Output is correct
36 Correct 135 ms 30520 KB Output is correct
37 Correct 101 ms 25152 KB Output is correct
38 Correct 96 ms 25168 KB Output is correct
39 Correct 75 ms 24924 KB Output is correct
40 Correct 119 ms 30628 KB Output is correct
41 Correct 129 ms 32532 KB Output is correct
42 Correct 3 ms 4948 KB Output is correct
43 Correct 124 ms 26376 KB Output is correct
44 Correct 126 ms 27332 KB Output is correct
45 Correct 165 ms 28840 KB Output is correct
46 Correct 173 ms 31644 KB Output is correct
47 Correct 133 ms 28124 KB Output is correct
48 Correct 112 ms 25148 KB Output is correct
49 Correct 90 ms 28668 KB Output is correct
50 Correct 77 ms 18228 KB Output is correct
51 Correct 139 ms 32988 KB Output is correct
52 Correct 134 ms 32068 KB Output is correct
53 Correct 3 ms 4948 KB Output is correct
54 Correct 3 ms 4948 KB Output is correct
55 Correct 3 ms 4948 KB Output is correct
56 Correct 4 ms 5176 KB Output is correct
57 Correct 4 ms 5440 KB Output is correct
58 Correct 5 ms 5236 KB Output is correct
59 Correct 4 ms 5176 KB Output is correct
60 Correct 4 ms 5204 KB Output is correct
61 Correct 4 ms 5180 KB Output is correct
62 Correct 4 ms 5296 KB Output is correct
63 Correct 4 ms 5332 KB Output is correct
64 Correct 4 ms 5300 KB Output is correct
65 Correct 4 ms 5348 KB Output is correct
66 Correct 4 ms 5176 KB Output is correct
67 Correct 99 ms 25708 KB Output is correct
68 Correct 137 ms 36300 KB Output is correct
69 Correct 127 ms 27932 KB Output is correct
70 Correct 121 ms 28844 KB Output is correct
71 Correct 126 ms 28796 KB Output is correct
72 Correct 156 ms 33180 KB Output is correct
73 Correct 119 ms 31792 KB Output is correct
74 Correct 86 ms 23136 KB Output is correct
75 Correct 100 ms 25080 KB Output is correct
76 Correct 123 ms 27888 KB Output is correct
77 Correct 156 ms 38708 KB Output is correct
78 Correct 139 ms 37376 KB Output is correct
79 Correct 104 ms 25208 KB Output is correct
80 Correct 81 ms 24944 KB Output is correct
81 Correct 141 ms 30260 KB Output is correct
82 Correct 138 ms 30560 KB Output is correct
83 Correct 170 ms 38588 KB Output is correct
84 Correct 146 ms 38372 KB Output is correct
85 Correct 137 ms 30532 KB Output is correct
86 Correct 99 ms 25136 KB Output is correct
87 Correct 96 ms 25140 KB Output is correct
88 Correct 114 ms 30588 KB Output is correct
89 Correct 122 ms 32596 KB Output is correct
90 Correct 125 ms 26308 KB Output is correct
91 Correct 124 ms 27284 KB Output is correct
92 Correct 135 ms 28984 KB Output is correct
93 Correct 140 ms 31584 KB Output is correct
94 Correct 152 ms 28112 KB Output is correct
95 Correct 97 ms 25152 KB Output is correct
96 Correct 89 ms 28844 KB Output is correct
97 Correct 74 ms 18352 KB Output is correct
98 Correct 144 ms 32928 KB Output is correct
99 Correct 131 ms 32092 KB Output is correct
100 Correct 51 ms 10780 KB Output is correct
101 Correct 142 ms 27452 KB Output is correct
102 Correct 123 ms 24580 KB Output is correct
103 Correct 118 ms 22660 KB Output is correct
104 Correct 129 ms 25464 KB Output is correct