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Submission #894914

# Submission time Handle Problem Language Result Execution time Memory
894914 2023-12-29T08:14:20 Z votranngocvy Pilot (NOI19_pilot) C++14
18 / 100
 26 ms 11612 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pii pair<int,int>
#define fi first
#define se second
#define mp make_pair
const int N = 1e6 + 5;
pii a[N];
int b[N],par[N],sz[N],ans;
bool f[N];

void make_set(int v) {
    par[v] = v;
    sz[v] = 1;
}

int find_set(int v) {
    if (v == par[v]) return v;
    int p = find_set(par[v]);
    par[v] = p;
    return p;
}

void union_sets(int a,int b) {
    a = find_set(a),b = find_set(b);
    if (a == b) return;
    ans -= sz[a] * (sz[a] - 1) / 2 + sz[b] * (sz[b] - 1) / 2;
    if (sz[a] < sz[b]) swap(a,b);
    sz[a] += sz[b];
    par[b] = a;
    ans += sz[a] * (sz[a] - 1) / 2;
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n,q;
    cin >> n >> q;
    for (int i = 1; i <= n; i++) {
        cin >> a[i].fi;
        a[i].se = i;
    }
    sort(a + 1,a + n + 1);
    for (int i = 1; i <= q; i++) cin >> b[i];
    sort(b + 1,b + q + 1);
    int j = 1;
    for (int i = 1; i <= n; i++) make_set(i);
    for (int i = 1; i <= q; i++) {
        while (j <= n && a[j].fi <= b[i]) {
            ans++;
            if (a[j].se > 1 && f[a[j].se - 1]) union_sets(a[j].se,a[j].se - 1);
            if (a[j].se < n && f[a[j].se + 1]) union_sets(a[j].se,a[j].se + 1);
            f[a[j].se] = true;
            j++;
        }
        cout << ans << "\n";
    }
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8792 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8792 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Incorrect 1 ms 8540 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8792 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Incorrect 1 ms 8540 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8792 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Incorrect 1 ms 8540 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 10588 KB Output is correct
2 Correct 16 ms 10720 KB Output is correct
3 Correct 16 ms 10584 KB Output is correct
4 Correct 14 ms 10712 KB Output is correct
5 Correct 15 ms 10712 KB Output is correct

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 11612 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 26 ms 11556 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8792 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Correct 16 ms 10588 KB Output is correct
12 Correct 16 ms 10720 KB Output is correct
13 Correct 16 ms 10584 KB Output is correct
14 Correct 14 ms 10712 KB Output is correct
15 Correct 15 ms 10712 KB Output is correct
16 Correct 17 ms 10588 KB Output is correct
17 Correct 17 ms 10708 KB Output is correct
18 Correct 14 ms 10588 KB Output is correct
19 Correct 13 ms 10588 KB Output is correct
20 Correct 14 ms 10588 KB Output is correct
21 Correct 15 ms 10708 KB Output is correct
22 Correct 13 ms 10588 KB Output is correct
23 Correct 14 ms 10588 KB Output is correct
24 Correct 13 ms 10588 KB Output is correct
25 Correct 14 ms 10708 KB Output is correct

Subtask #9
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8792 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Incorrect 1 ms 8540 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #10
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8792 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Incorrect 1 ms 8540 KB Output isn't correct
12 Halted 0 ms 0 KB -