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Submission #925905

# Submission time Handle Problem Language Result Execution time Memory
925905 2024-02-12T10:34:25 Z dwuy Pilot (NOI19_pilot) C++14
100 / 100
 422 ms 67984 KB 
#include <bits/stdc++.h>

#define fastIO ios_base::sync_with_stdio(false); cin.tie(NULL)
#define file(a) freopen(a".inp","r",stdin); freopen(a".out", "w",stdout)
#define fi first
#define se second
#define endl "\n"
#define len(s) int32_t(s.length())
#define MASK(k)(1LL<<(k))
#define TASK "test"
#define int long long

using namespace std;

typedef tuple<int, int, int> tpiii;
typedef pair<double, double> pdd;
typedef pair<int, int> pii;
typedef long long ll;

const long long OO = 1e18;
const int MOD = 1e9 + 7;
const int INF = 1e9;
const int MX = 1000005;

struct DSU{
    int n;
    vector<int> e;
    
    DSU(int n=0){
        this->n = n;
        this->e.assign(n+5, 0);
    }

    int fp(int u){
        return e[u] < 0? u : e[u] = fp(e[u]);
    }

    void unon(int u, int v){
        u = fp(u);
        v = fp(v);
        if(u == v) return;
        if(e[u] > e[v]) swap(u, v);
        e[u] += e[v];
        e[v] = u;        
    }

    int cost(int u){
        u = fp(u);
        return e[u]*(e[u]-1)/2;
    }
};

int n, q;
int res[MX];
pii a[MX];
pii b[MX];

void nhap(){
    cin >> n >> q;
    for(int i=1; i<=n; i++) cin >> a[i].fi, a[i].se = i;
    for(int i=1; i<=q; i++) cin >> b[i].fi, b[i].se = i;
}

void solve(){
    sort(a+1, a+1+n);
    sort(b+1, b+1+q);
    DSU dsu(n);
    int ans = 0;
    for(int i=1, j=1; j<=q; j++){
        while(i<=n && a[i].fi <= b[j].fi){
            dsu.e[a[i].se] = -1;
            if(dsu.e[a[i].se-1]) ans -= dsu.cost(a[i].se - 1), dsu.unon(a[i].se, a[i].se - 1);
            if(dsu.e[a[i].se+1]) ans -= dsu.cost(a[i].se + 1), dsu.unon(a[i].se, a[i].se + 1);
            ans += dsu.cost(a[i].se);
            i++;
        }
        res[b[j].se] = ans;
    }
    for(int i=1; i<=q; i++) cout << res[i] << endl;
}

int32_t main(){
    fastIO;
    //file(TASK);

    nhap();
    solve();

    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 7248 KB Output is correct
2 Correct 16 ms 8028 KB Output is correct
3 Correct 16 ms 7664 KB Output is correct
4 Correct 15 ms 7772 KB Output is correct
5 Correct 15 ms 7772 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 10332 KB Output is correct
2 Correct 28 ms 11600 KB Output is correct
3 Correct 28 ms 11608 KB Output is correct
4 Correct 32 ms 11600 KB Output is correct
5 Correct 29 ms 11508 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 10320 KB Output is correct
2 Correct 32 ms 11600 KB Output is correct
3 Correct 28 ms 11856 KB Output is correct
4 Correct 28 ms 11652 KB Output is correct
5 Correct 29 ms 11860 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 18 ms 7248 KB Output is correct
12 Correct 16 ms 8028 KB Output is correct
13 Correct 16 ms 7664 KB Output is correct
14 Correct 15 ms 7772 KB Output is correct
15 Correct 15 ms 7772 KB Output is correct
16 Correct 14 ms 7772 KB Output is correct
17 Correct 16 ms 8052 KB Output is correct
18 Correct 15 ms 8028 KB Output is correct
19 Correct 13 ms 7772 KB Output is correct
20 Correct 19 ms 8028 KB Output is correct
21 Correct 15 ms 7656 KB Output is correct
22 Correct 14 ms 7772 KB Output is correct
23 Correct 14 ms 7772 KB Output is correct
24 Correct 13 ms 7768 KB Output is correct
25 Correct 14 ms 7772 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 18 ms 7248 KB Output is correct
27 Correct 16 ms 8028 KB Output is correct
28 Correct 16 ms 7664 KB Output is correct
29 Correct 15 ms 7772 KB Output is correct
30 Correct 15 ms 7772 KB Output is correct
31 Correct 27 ms 10332 KB Output is correct
32 Correct 28 ms 11600 KB Output is correct
33 Correct 28 ms 11608 KB Output is correct
34 Correct 32 ms 11600 KB Output is correct
35 Correct 29 ms 11508 KB Output is correct
36 Correct 30 ms 10320 KB Output is correct
37 Correct 32 ms 11600 KB Output is correct
38 Correct 28 ms 11856 KB Output is correct
39 Correct 28 ms 11652 KB Output is correct
40 Correct 29 ms 11860 KB Output is correct
41 Correct 14 ms 7772 KB Output is correct
42 Correct 16 ms 8052 KB Output is correct
43 Correct 15 ms 8028 KB Output is correct
44 Correct 13 ms 7772 KB Output is correct
45 Correct 19 ms 8028 KB Output is correct
46 Correct 15 ms 7656 KB Output is correct
47 Correct 14 ms 7772 KB Output is correct
48 Correct 14 ms 7772 KB Output is correct
49 Correct 13 ms 7768 KB Output is correct
50 Correct 14 ms 7772 KB Output is correct
51 Correct 35 ms 11540 KB Output is correct
52 Correct 35 ms 11452 KB Output is correct
53 Correct 36 ms 11348 KB Output is correct
54 Correct 38 ms 11344 KB Output is correct
55 Correct 36 ms 11508 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 18 ms 7248 KB Output is correct
27 Correct 16 ms 8028 KB Output is correct
28 Correct 16 ms 7664 KB Output is correct
29 Correct 15 ms 7772 KB Output is correct
30 Correct 15 ms 7772 KB Output is correct
31 Correct 27 ms 10332 KB Output is correct
32 Correct 28 ms 11600 KB Output is correct
33 Correct 28 ms 11608 KB Output is correct
34 Correct 32 ms 11600 KB Output is correct
35 Correct 29 ms 11508 KB Output is correct
36 Correct 30 ms 10320 KB Output is correct
37 Correct 32 ms 11600 KB Output is correct
38 Correct 28 ms 11856 KB Output is correct
39 Correct 28 ms 11652 KB Output is correct
40 Correct 29 ms 11860 KB Output is correct
41 Correct 14 ms 7772 KB Output is correct
42 Correct 16 ms 8052 KB Output is correct
43 Correct 15 ms 8028 KB Output is correct
44 Correct 13 ms 7772 KB Output is correct
45 Correct 19 ms 8028 KB Output is correct
46 Correct 15 ms 7656 KB Output is correct
47 Correct 14 ms 7772 KB Output is correct
48 Correct 14 ms 7772 KB Output is correct
49 Correct 13 ms 7768 KB Output is correct
50 Correct 14 ms 7772 KB Output is correct
51 Correct 35 ms 11540 KB Output is correct
52 Correct 35 ms 11452 KB Output is correct
53 Correct 36 ms 11348 KB Output is correct
54 Correct 38 ms 11344 KB Output is correct
55 Correct 36 ms 11508 KB Output is correct
56 Correct 400 ms 67400 KB Output is correct
57 Correct 422 ms 66572 KB Output is correct
58 Correct 373 ms 65064 KB Output is correct
59 Correct 391 ms 65836 KB Output is correct
60 Correct 407 ms 67984 KB Output is correct