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Submission #484155

# Submission time Handle Problem Language Result Execution time Memory
484155 2021-11-02T08:21:34 Z CyberSleeper Pilot (NOI19_pilot) C++14
100 / 100
 571 ms 71596 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 par[MX], sz[MX];

ll calc(ll x){
    return x*(1ll+x)/2ll;
}
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]);
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> N >> Q;
    for(ll i=0; i<N; i++){
        par[i]=i;
        sz[i]=1;
        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)
            join(idx-1, idx);
        if(idx+1<N && H[idx+1]<=h)
            join(idx+1, idx);
    }
    while(ptr<Q)
        ans[Y[ptr++].se]=tot;
    for(ll i=0; i<Q; i++){
        cout << ans[i] << '\n';
    }
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 320 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 328 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 4696 KB Output is correct
2 Correct 20 ms 4860 KB Output is correct
3 Correct 20 ms 4560 KB Output is correct
4 Correct 18 ms 4428 KB Output is correct
5 Correct 20 ms 4428 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 7996 KB Output is correct
2 Correct 35 ms 8096 KB Output is correct
3 Correct 35 ms 8260 KB Output is correct
4 Correct 36 ms 8132 KB Output is correct
5 Correct 33 ms 8004 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 7936 KB Output is correct
2 Correct 34 ms 8004 KB Output is correct
3 Correct 37 ms 7944 KB Output is correct
4 Correct 38 ms 8176 KB Output is correct
5 Correct 35 ms 8268 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 19 ms 4696 KB Output is correct
12 Correct 20 ms 4860 KB Output is correct
13 Correct 20 ms 4560 KB Output is correct
14 Correct 18 ms 4428 KB Output is correct
15 Correct 20 ms 4428 KB Output is correct
16 Correct 17 ms 4496 KB Output is correct
17 Correct 18 ms 4812 KB Output is correct
18 Correct 17 ms 4908 KB Output is correct
19 Correct 15 ms 4360 KB Output is correct
20 Correct 18 ms 4768 KB Output is correct
21 Correct 19 ms 4428 KB Output is correct
22 Correct 17 ms 4556 KB Output is correct
23 Correct 17 ms 4812 KB Output is correct
24 Correct 17 ms 4540 KB Output is correct
25 Correct 18 ms 4684 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 19 ms 4696 KB Output is correct
27 Correct 20 ms 4860 KB Output is correct
28 Correct 20 ms 4560 KB Output is correct
29 Correct 18 ms 4428 KB Output is correct
30 Correct 20 ms 4428 KB Output is correct
31 Correct 42 ms 7996 KB Output is correct
32 Correct 35 ms 8096 KB Output is correct
33 Correct 35 ms 8260 KB Output is correct
34 Correct 36 ms 8132 KB Output is correct
35 Correct 33 ms 8004 KB Output is correct
36 Correct 34 ms 7936 KB Output is correct
37 Correct 34 ms 8004 KB Output is correct
38 Correct 37 ms 7944 KB Output is correct
39 Correct 38 ms 8176 KB Output is correct
40 Correct 35 ms 8268 KB Output is correct
41 Correct 17 ms 4496 KB Output is correct
42 Correct 18 ms 4812 KB Output is correct
43 Correct 17 ms 4908 KB Output is correct
44 Correct 15 ms 4360 KB Output is correct
45 Correct 18 ms 4768 KB Output is correct
46 Correct 19 ms 4428 KB Output is correct
47 Correct 17 ms 4556 KB Output is correct
48 Correct 17 ms 4812 KB Output is correct
49 Correct 17 ms 4540 KB Output is correct
50 Correct 18 ms 4684 KB Output is correct
51 Correct 45 ms 7976 KB Output is correct
52 Correct 56 ms 7824 KB Output is correct
53 Correct 41 ms 8004 KB Output is correct
54 Correct 41 ms 7796 KB Output is correct
55 Correct 41 ms 7992 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 19 ms 4696 KB Output is correct
27 Correct 20 ms 4860 KB Output is correct
28 Correct 20 ms 4560 KB Output is correct
29 Correct 18 ms 4428 KB Output is correct
30 Correct 20 ms 4428 KB Output is correct
31 Correct 42 ms 7996 KB Output is correct
32 Correct 35 ms 8096 KB Output is correct
33 Correct 35 ms 8260 KB Output is correct
34 Correct 36 ms 8132 KB Output is correct
35 Correct 33 ms 8004 KB Output is correct
36 Correct 34 ms 7936 KB Output is correct
37 Correct 34 ms 8004 KB Output is correct
38 Correct 37 ms 7944 KB Output is correct
39 Correct 38 ms 8176 KB Output is correct
40 Correct 35 ms 8268 KB Output is correct
41 Correct 17 ms 4496 KB Output is correct
42 Correct 18 ms 4812 KB Output is correct
43 Correct 17 ms 4908 KB Output is correct
44 Correct 15 ms 4360 KB Output is correct
45 Correct 18 ms 4768 KB Output is correct
46 Correct 19 ms 4428 KB Output is correct
47 Correct 17 ms 4556 KB Output is correct
48 Correct 17 ms 4812 KB Output is correct
49 Correct 17 ms 4540 KB Output is correct
50 Correct 18 ms 4684 KB Output is correct
51 Correct 45 ms 7976 KB Output is correct
52 Correct 56 ms 7824 KB Output is correct
53 Correct 41 ms 8004 KB Output is correct
54 Correct 41 ms 7796 KB Output is correct
55 Correct 41 ms 7992 KB Output is correct
56 Correct 571 ms 69664 KB Output is correct
57 Correct 524 ms 69720 KB Output is correct
58 Correct 488 ms 65800 KB Output is correct
59 Correct 495 ms 67260 KB Output is correct
60 Correct 529 ms 71596 KB Output is correct