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Submission #1097729

# Submission time Handle Problem Language Result Execution time Memory
1097729 2024-10-08T04:37:35 Z vjudge1 Examination (JOI19_examination) C++17
100 / 100
 352 ms 77900 KB 
#include<bits/stdc++.h>
using namespace std;
#define task "a"
#define se second
#define fi first
#define ll long long
#define ii pair<ll, ll>
const long mxN = 1e5 + 7;

vector<int> tree[mxN * 4], x[mxN * 4], y[mxN * 4];
ii a[mxN], b[mxN], sum[mxN];
int n, q;

void Build(int j = 1, int l = 1, int r = n)
{
    if (l == r)
    {
        tree[j].push_back(a[l].se);
        x[j].push_back(b[sum[l].se].fi);
        y[j].push_back(b[sum[l].se].se);
        return;
    }

    int mid = (l + r) / 2;
    Build(j * 2, l, mid);
    Build(j * 2 + 1, mid + 1, r);
    merge(tree[j * 2].begin(), tree[j * 2].end(), tree[j * 2 + 1].begin(), tree[j * 2 + 1].end(), back_inserter(tree[j]));
    merge(x[j * 2].begin(), x[j * 2].end(), x[j * 2 + 1].begin(), x[j * 2 + 1].end(), back_inserter(x[j]));
    merge(y[j * 2].begin(), y[j * 2].end(), y[j * 2 + 1].begin(), y[j * 2 + 1].end(), back_inserter(y[j]));
}

int Get1(int u, int v, int j = 1, int l = 1, int r = n)
{
    if (a[r].fi < u)
        return 0;
    if (a[l].fi >= u)
        return r - l + 1 - (lower_bound(tree[j].begin(), tree[j].end(), v) - tree[j].begin());

    int mid = (l + r) / 2;
    return Get1(u, v, j * 2, l, mid) + Get1(u, v, j * 2 + 1, mid + 1, r);
}

int Get2(int total, int u, int v, int j = 1, int l = 1, int r = n)
{
    if (sum[r].fi < total)
        return 0;
    if (sum[l].fi >= total)
        return r - l + 1 - (lower_bound(x[j].begin(), x[j].end(), u) - x[j].begin()) - (lower_bound(y[j].begin(), y[j].end(), v) - y[j].begin());

    int mid = (l + r) / 2;
    return Get2(total, u, v, j * 2, l, mid) + Get2(total, u, v, j * 2 + 1, mid + 1, r);
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    //freopen(task".INP", "r", stdin);
    //freopen(task".OUT", "w", stdout);

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

    for (int i = 1; i <= q; i++)
    {
        int u, v, c;
        cin >> u >> v >> c;

        if (u + v >= c)
            cout << Get1(u, v) << '\n';
        else
            cout << Get2(c, u, v) << '\n';
    }
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 28508 KB Output is correct
2 Correct 13 ms 28508 KB Output is correct
3 Correct 14 ms 28508 KB Output is correct
4 Correct 14 ms 28508 KB Output is correct
5 Correct 14 ms 28504 KB Output is correct
6 Correct 15 ms 28644 KB Output is correct
7 Correct 18 ms 29932 KB Output is correct
8 Correct 20 ms 29788 KB Output is correct
9 Correct 18 ms 29804 KB Output is correct
10 Correct 18 ms 29916 KB Output is correct
11 Correct 18 ms 29788 KB Output is correct
12 Correct 16 ms 29788 KB Output is correct
13 Correct 17 ms 29788 KB Output is correct
14 Correct 17 ms 29784 KB Output is correct
15 Correct 18 ms 29788 KB Output is correct
16 Correct 16 ms 29788 KB Output is correct
17 Correct 24 ms 29692 KB Output is correct
18 Correct 20 ms 29848 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 288 ms 75596 KB Output is correct
2 Correct 287 ms 75576 KB Output is correct
3 Correct 286 ms 75484 KB Output is correct
4 Correct 247 ms 74828 KB Output is correct
5 Correct 208 ms 74932 KB Output is correct
6 Correct 161 ms 74056 KB Output is correct
7 Correct 258 ms 75592 KB Output is correct
8 Correct 256 ms 75596 KB Output is correct
9 Correct 245 ms 75372 KB Output is correct
10 Correct 171 ms 74792 KB Output is correct
11 Correct 200 ms 74568 KB Output is correct
12 Correct 122 ms 73804 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 288 ms 75596 KB Output is correct
2 Correct 287 ms 75576 KB Output is correct
3 Correct 286 ms 75484 KB Output is correct
4 Correct 247 ms 74828 KB Output is correct
5 Correct 208 ms 74932 KB Output is correct
6 Correct 161 ms 74056 KB Output is correct
7 Correct 258 ms 75592 KB Output is correct
8 Correct 256 ms 75596 KB Output is correct
9 Correct 245 ms 75372 KB Output is correct
10 Correct 171 ms 74792 KB Output is correct
11 Correct 200 ms 74568 KB Output is correct
12 Correct 122 ms 73804 KB Output is correct
13 Correct 276 ms 76116 KB Output is correct
14 Correct 269 ms 75860 KB Output is correct
15 Correct 264 ms 75484 KB Output is correct
16 Correct 296 ms 75340 KB Output is correct
17 Correct 234 ms 75340 KB Output is correct
18 Correct 199 ms 74276 KB Output is correct
19 Correct 295 ms 76108 KB Output is correct
20 Correct 303 ms 75888 KB Output is correct
21 Correct 295 ms 76008 KB Output is correct
22 Correct 162 ms 74568 KB Output is correct
23 Correct 210 ms 74796 KB Output is correct
24 Correct 134 ms 73800 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 28508 KB Output is correct
2 Correct 13 ms 28508 KB Output is correct
3 Correct 14 ms 28508 KB Output is correct
4 Correct 14 ms 28508 KB Output is correct
5 Correct 14 ms 28504 KB Output is correct
6 Correct 15 ms 28644 KB Output is correct
7 Correct 18 ms 29932 KB Output is correct
8 Correct 20 ms 29788 KB Output is correct
9 Correct 18 ms 29804 KB Output is correct
10 Correct 18 ms 29916 KB Output is correct
11 Correct 18 ms 29788 KB Output is correct
12 Correct 16 ms 29788 KB Output is correct
13 Correct 17 ms 29788 KB Output is correct
14 Correct 17 ms 29784 KB Output is correct
15 Correct 18 ms 29788 KB Output is correct
16 Correct 16 ms 29788 KB Output is correct
17 Correct 24 ms 29692 KB Output is correct
18 Correct 20 ms 29848 KB Output is correct
19 Correct 288 ms 75596 KB Output is correct
20 Correct 287 ms 75576 KB Output is correct
21 Correct 286 ms 75484 KB Output is correct
22 Correct 247 ms 74828 KB Output is correct
23 Correct 208 ms 74932 KB Output is correct
24 Correct 161 ms 74056 KB Output is correct
25 Correct 258 ms 75592 KB Output is correct
26 Correct 256 ms 75596 KB Output is correct
27 Correct 245 ms 75372 KB Output is correct
28 Correct 171 ms 74792 KB Output is correct
29 Correct 200 ms 74568 KB Output is correct
30 Correct 122 ms 73804 KB Output is correct
31 Correct 276 ms 76116 KB Output is correct
32 Correct 269 ms 75860 KB Output is correct
33 Correct 264 ms 75484 KB Output is correct
34 Correct 296 ms 75340 KB Output is correct
35 Correct 234 ms 75340 KB Output is correct
36 Correct 199 ms 74276 KB Output is correct
37 Correct 295 ms 76108 KB Output is correct
38 Correct 303 ms 75888 KB Output is correct
39 Correct 295 ms 76008 KB Output is correct
40 Correct 162 ms 74568 KB Output is correct
41 Correct 210 ms 74796 KB Output is correct
42 Correct 134 ms 73800 KB Output is correct
43 Correct 321 ms 77900 KB Output is correct
44 Correct 301 ms 77896 KB Output is correct
45 Correct 307 ms 77896 KB Output is correct
46 Correct 289 ms 76364 KB Output is correct
47 Correct 251 ms 76360 KB Output is correct
48 Correct 165 ms 74060 KB Output is correct
49 Correct 352 ms 77836 KB Output is correct
50 Correct 303 ms 77896 KB Output is correct
51 Correct 320 ms 77900 KB Output is correct
52 Correct 228 ms 76256 KB Output is correct
53 Correct 190 ms 75412 KB Output is correct