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Submission #484081

# Submission time Handle Problem Language Result Execution time Memory
484081 2021-11-02T05:29:54 Z CyberSleeper Pilot (NOI19_pilot) C++14
100 / 100
 522 ms 69956 KB 
#include <bits/stdc++.h>
#define fastio      ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define debug(x)    cout << "Line " << __LINE__ << ", " << #x << " is " << x << endl
#define fi          first
#define se          second
#define mp          make_pair
#define pb          push_back
#define ll          long long
#define pll         pair<ll, ll>
#define ull         unsigned long long
#define ld          long double
#define pii         pair<ll, ll>
#define nl          '\n'
#define tb          '\t'
#define sp          ' '
using namespace std;

const ll MX=1000007, MOD=1e9+7, BLOCK=330, INF=1e9+7;
const ld ERR=1e-7, pi=3.14159265358979323846;

ll N, Q, H[MX], ptr=0;
ll tot=0, ans[MX];
pii A[MX], Y[MX];

ll calc(ll x){
    return x*(1ll+x)/2ll;
}
struct dsu{
    ll par[MX], sz[MX];
    dsu(){
        for(ll i=0; i<MX; i++){
            par[i]=i;
            sz[i]=1;
        }
    }
    ll f(ll u){
        if(par[u]!=u)
            par[u]=f(par[u]);
        return par[u];
    }
    void join(ll u, ll v){
        u=f(u);
        v=f(v);
        if(u==v)
            return;
        if(sz[u]>sz[v])
            swap(u, v);
        tot-=calc(sz[u])+calc(sz[v]);
        par[u]=v;
        sz[v]+=sz[u];
        tot+=calc(sz[v]);
    }
}DSU;

int main(){
    fastio;
    cin >> N >> Q;
    for(ll i=0; i<N; i++){
        cin >> H[i];
        A[i]={H[i], i};
    }
    for(ll i=0; i<Q; i++){
        cin >> Y[i].fi;
        Y[i].se=i;
    }
    sort(Y, Y+Q);
    sort(A, A+N);
    for(ll i=0; ptr<Q && i<N; i++){
        ll h=A[i].fi, idx=A[i].se;
        while(ptr<Q && Y[ptr].fi<h)
            ans[Y[ptr++].se]=tot;
        if(ptr>=Q)
            break;
        tot++;
        if(idx && H[idx-1]<=h)
            DSU.join(idx-1, idx);
        if(idx+1<N && H[idx+1]<=h)
            DSU.join(idx+1, idx);
    }
    while(ptr<Q)
        ans[Y[ptr++].se]=tot;
    for(ll i=0; i<Q; i++){
        cout << ans[i] << nl;
    }
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 15948 KB Output is correct
2 Correct 6 ms 15948 KB Output is correct
3 Correct 6 ms 15912 KB Output is correct
4 Correct 7 ms 15948 KB Output is correct
5 Correct 6 ms 15948 KB Output is correct
6 Correct 6 ms 15948 KB Output is correct
7 Correct 6 ms 15948 KB Output is correct
8 Correct 7 ms 15948 KB Output is correct
9 Correct 7 ms 15948 KB Output is correct
10 Correct 7 ms 15948 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 15948 KB Output is correct
2 Correct 6 ms 15948 KB Output is correct
3 Correct 6 ms 15912 KB Output is correct
4 Correct 7 ms 15948 KB Output is correct
5 Correct 6 ms 15948 KB Output is correct
6 Correct 6 ms 15948 KB Output is correct
7 Correct 6 ms 15948 KB Output is correct
8 Correct 7 ms 15948 KB Output is correct
9 Correct 7 ms 15948 KB Output is correct
10 Correct 7 ms 15948 KB Output is correct
11 Correct 6 ms 15948 KB Output is correct
12 Correct 6 ms 15936 KB Output is correct
13 Correct 6 ms 15948 KB Output is correct
14 Correct 6 ms 15948 KB Output is correct
15 Correct 6 ms 15948 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 15948 KB Output is correct
2 Correct 6 ms 15948 KB Output is correct
3 Correct 6 ms 15912 KB Output is correct
4 Correct 7 ms 15948 KB Output is correct
5 Correct 6 ms 15948 KB Output is correct
6 Correct 6 ms 15948 KB Output is correct
7 Correct 6 ms 15948 KB Output is correct
8 Correct 7 ms 15948 KB Output is correct
9 Correct 7 ms 15948 KB Output is correct
10 Correct 7 ms 15948 KB Output is correct
11 Correct 6 ms 15948 KB Output is correct
12 Correct 6 ms 15936 KB Output is correct
13 Correct 6 ms 15948 KB Output is correct
14 Correct 6 ms 15948 KB Output is correct
15 Correct 6 ms 15948 KB Output is correct
16 Correct 6 ms 16004 KB Output is correct
17 Correct 7 ms 15948 KB Output is correct
18 Correct 7 ms 15948 KB Output is correct
19 Correct 7 ms 15948 KB Output is correct
20 Correct 8 ms 15928 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 15948 KB Output is correct
2 Correct 6 ms 15948 KB Output is correct
3 Correct 6 ms 15912 KB Output is correct
4 Correct 7 ms 15948 KB Output is correct
5 Correct 6 ms 15948 KB Output is correct
6 Correct 6 ms 15948 KB Output is correct
7 Correct 6 ms 15948 KB Output is correct
8 Correct 7 ms 15948 KB Output is correct
9 Correct 7 ms 15948 KB Output is correct
10 Correct 7 ms 15948 KB Output is correct
11 Correct 6 ms 15948 KB Output is correct
12 Correct 6 ms 15936 KB Output is correct
13 Correct 6 ms 15948 KB Output is correct
14 Correct 6 ms 15948 KB Output is correct
15 Correct 6 ms 15948 KB Output is correct
16 Correct 6 ms 16004 KB Output is correct
17 Correct 7 ms 15948 KB Output is correct
18 Correct 7 ms 15948 KB Output is correct
19 Correct 7 ms 15948 KB Output is correct
20 Correct 8 ms 15928 KB Output is correct
21 Correct 7 ms 15948 KB Output is correct
22 Correct 6 ms 16016 KB Output is correct
23 Correct 7 ms 15948 KB Output is correct
24 Correct 7 ms 15948 KB Output is correct
25 Correct 7 ms 15948 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 18252 KB Output is correct
2 Correct 25 ms 18252 KB Output is correct
3 Correct 24 ms 18124 KB Output is correct
4 Correct 24 ms 18080 KB Output is correct
5 Correct 24 ms 18080 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 21188 KB Output is correct
2 Correct 38 ms 21444 KB Output is correct
3 Correct 44 ms 21376 KB Output is correct
4 Correct 38 ms 21444 KB Output is correct
5 Correct 37 ms 21228 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 21180 KB Output is correct
2 Correct 37 ms 21292 KB Output is correct
3 Correct 39 ms 21360 KB Output is correct
4 Correct 38 ms 21388 KB Output is correct
5 Correct 40 ms 21580 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 15948 KB Output is correct
2 Correct 6 ms 15948 KB Output is correct
3 Correct 6 ms 15912 KB Output is correct
4 Correct 7 ms 15948 KB Output is correct
5 Correct 6 ms 15948 KB Output is correct
6 Correct 6 ms 15948 KB Output is correct
7 Correct 6 ms 15948 KB Output is correct
8 Correct 7 ms 15948 KB Output is correct
9 Correct 7 ms 15948 KB Output is correct
10 Correct 7 ms 15948 KB Output is correct
11 Correct 24 ms 18252 KB Output is correct
12 Correct 25 ms 18252 KB Output is correct
13 Correct 24 ms 18124 KB Output is correct
14 Correct 24 ms 18080 KB Output is correct
15 Correct 24 ms 18080 KB Output is correct
16 Correct 23 ms 18152 KB Output is correct
17 Correct 21 ms 18228 KB Output is correct
18 Correct 21 ms 18252 KB Output is correct
19 Correct 21 ms 18124 KB Output is correct
20 Correct 23 ms 18124 KB Output is correct
21 Correct 23 ms 18132 KB Output is correct
22 Correct 22 ms 18056 KB Output is correct
23 Correct 23 ms 18312 KB Output is correct
24 Correct 21 ms 18132 KB Output is correct
25 Correct 24 ms 18232 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 15948 KB Output is correct
2 Correct 6 ms 15948 KB Output is correct
3 Correct 6 ms 15912 KB Output is correct
4 Correct 7 ms 15948 KB Output is correct
5 Correct 6 ms 15948 KB Output is correct
6 Correct 6 ms 15948 KB Output is correct
7 Correct 6 ms 15948 KB Output is correct
8 Correct 7 ms 15948 KB Output is correct
9 Correct 7 ms 15948 KB Output is correct
10 Correct 7 ms 15948 KB Output is correct
11 Correct 6 ms 15948 KB Output is correct
12 Correct 6 ms 15936 KB Output is correct
13 Correct 6 ms 15948 KB Output is correct
14 Correct 6 ms 15948 KB Output is correct
15 Correct 6 ms 15948 KB Output is correct
16 Correct 6 ms 16004 KB Output is correct
17 Correct 7 ms 15948 KB Output is correct
18 Correct 7 ms 15948 KB Output is correct
19 Correct 7 ms 15948 KB Output is correct
20 Correct 8 ms 15928 KB Output is correct
21 Correct 7 ms 15948 KB Output is correct
22 Correct 6 ms 16016 KB Output is correct
23 Correct 7 ms 15948 KB Output is correct
24 Correct 7 ms 15948 KB Output is correct
25 Correct 7 ms 15948 KB Output is correct
26 Correct 24 ms 18252 KB Output is correct
27 Correct 25 ms 18252 KB Output is correct
28 Correct 24 ms 18124 KB Output is correct
29 Correct 24 ms 18080 KB Output is correct
30 Correct 24 ms 18080 KB Output is correct
31 Correct 37 ms 21188 KB Output is correct
32 Correct 38 ms 21444 KB Output is correct
33 Correct 44 ms 21376 KB Output is correct
34 Correct 38 ms 21444 KB Output is correct
35 Correct 37 ms 21228 KB Output is correct
36 Correct 37 ms 21180 KB Output is correct
37 Correct 37 ms 21292 KB Output is correct
38 Correct 39 ms 21360 KB Output is correct
39 Correct 38 ms 21388 KB Output is correct
40 Correct 40 ms 21580 KB Output is correct
41 Correct 23 ms 18152 KB Output is correct
42 Correct 21 ms 18228 KB Output is correct
43 Correct 21 ms 18252 KB Output is correct
44 Correct 21 ms 18124 KB Output is correct
45 Correct 23 ms 18124 KB Output is correct
46 Correct 23 ms 18132 KB Output is correct
47 Correct 22 ms 18056 KB Output is correct
48 Correct 23 ms 18312 KB Output is correct
49 Correct 21 ms 18132 KB Output is correct
50 Correct 24 ms 18232 KB Output is correct
51 Correct 47 ms 21284 KB Output is correct
52 Correct 46 ms 21072 KB Output is correct
53 Correct 46 ms 21316 KB Output is correct
54 Correct 48 ms 21060 KB Output is correct
55 Correct 49 ms 21320 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 15948 KB Output is correct
2 Correct 6 ms 15948 KB Output is correct
3 Correct 6 ms 15912 KB Output is correct
4 Correct 7 ms 15948 KB Output is correct
5 Correct 6 ms 15948 KB Output is correct
6 Correct 6 ms 15948 KB Output is correct
7 Correct 6 ms 15948 KB Output is correct
8 Correct 7 ms 15948 KB Output is correct
9 Correct 7 ms 15948 KB Output is correct
10 Correct 7 ms 15948 KB Output is correct
11 Correct 6 ms 15948 KB Output is correct
12 Correct 6 ms 15936 KB Output is correct
13 Correct 6 ms 15948 KB Output is correct
14 Correct 6 ms 15948 KB Output is correct
15 Correct 6 ms 15948 KB Output is correct
16 Correct 6 ms 16004 KB Output is correct
17 Correct 7 ms 15948 KB Output is correct
18 Correct 7 ms 15948 KB Output is correct
19 Correct 7 ms 15948 KB Output is correct
20 Correct 8 ms 15928 KB Output is correct
21 Correct 7 ms 15948 KB Output is correct
22 Correct 6 ms 16016 KB Output is correct
23 Correct 7 ms 15948 KB Output is correct
24 Correct 7 ms 15948 KB Output is correct
25 Correct 7 ms 15948 KB Output is correct
26 Correct 24 ms 18252 KB Output is correct
27 Correct 25 ms 18252 KB Output is correct
28 Correct 24 ms 18124 KB Output is correct
29 Correct 24 ms 18080 KB Output is correct
30 Correct 24 ms 18080 KB Output is correct
31 Correct 37 ms 21188 KB Output is correct
32 Correct 38 ms 21444 KB Output is correct
33 Correct 44 ms 21376 KB Output is correct
34 Correct 38 ms 21444 KB Output is correct
35 Correct 37 ms 21228 KB Output is correct
36 Correct 37 ms 21180 KB Output is correct
37 Correct 37 ms 21292 KB Output is correct
38 Correct 39 ms 21360 KB Output is correct
39 Correct 38 ms 21388 KB Output is correct
40 Correct 40 ms 21580 KB Output is correct
41 Correct 23 ms 18152 KB Output is correct
42 Correct 21 ms 18228 KB Output is correct
43 Correct 21 ms 18252 KB Output is correct
44 Correct 21 ms 18124 KB Output is correct
45 Correct 23 ms 18124 KB Output is correct
46 Correct 23 ms 18132 KB Output is correct
47 Correct 22 ms 18056 KB Output is correct
48 Correct 23 ms 18312 KB Output is correct
49 Correct 21 ms 18132 KB Output is correct
50 Correct 24 ms 18232 KB Output is correct
51 Correct 47 ms 21284 KB Output is correct
52 Correct 46 ms 21072 KB Output is correct
53 Correct 46 ms 21316 KB Output is correct
54 Correct 48 ms 21060 KB Output is correct
55 Correct 49 ms 21320 KB Output is correct
56 Correct 510 ms 68824 KB Output is correct
57 Correct 512 ms 68032 KB Output is correct
58 Correct 480 ms 65596 KB Output is correct
59 Correct 487 ms 66692 KB Output is correct
60 Correct 522 ms 69956 KB Output is correct