oj.uz

답안 #808865

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
808865 2023-08-05T11:58:38 Z LucaIlie Examination (JOI19_examination) C++17
2 / 100
 3000 ms 242696 KB 
    #pragma GCC target ("avx2")
    #pragma GCC optimize("O3")
    #pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace __gnu_pbds;
using namespace std;

typedef tree<
        pair<int, int>,
        null_type,
        less<pair<int, int>>,
        rb_tree_tag,
        tree_order_statistics_node_update> ordered_set;


struct query {
    int a, b, c;
};

const int MAX_N = 1e5;
const int MAX_Q = 1e5;
const int MAX_VAL = 2e9;
int s[MAX_N], t[MAX_N], a[MAX_Q], b[MAX_Q], c[MAX_Q], ans[MAX_Q];
map<int, vector<int>> updates, queries;
vector<int> vals;

struct node {
    node *left, *right;
    ordered_set bau;
};

struct SEG_TREE {
    node *createNode() {
        node *t = new node;
        t->left = t->right = NULL;
        return t;
    }

    void update( node *v, int l, int r, int pos, int val, int i ) {
        if ( l > pos || r < pos )
            return;

        v->bau.insert( { val, i } );

        if ( l == r )
            return;

        int mid = (r - l) / 2 + l;
        if ( v->left == NULL )
            v->left = createNode();
        if ( v->right == NULL )
            v->right = createNode();
        update( v->left, l, mid, pos, val, i );
        update( v->right, mid + 1, r, pos, val, i );
    }

    int query( node *v, int l, int r, int lq, int rq, int val ) {
        if ( l > rq || r < lq )
            return 0;

        if ( lq <= l && r <= rq )
            return v->bau.size() - v->bau.order_of_key( { val, 0 } );

        int mid = (r - l) / 2 + l;
        if ( v->left == NULL )
            v->left = createNode();
        if ( v->right == NULL )
            v->right = createNode();
        return query( v->left, l, mid, lq, rq, val ) + query( v->right, mid + 1, r, lq, rq, val );
    }
};

SEG_TREE bambam;

int main() {
    cin.tie( NULL );
    ios_base::sync_with_stdio( false );


    int n, q;

    cin >> n >> q;
    for ( int i = 0; i < n; i++ )
        cin >> s[i] >> t[i];
    for ( int i = 0; i < q; i++ )
        cin >> a[i] >> b[i] >> c[i];

    for ( int i = 0; i < n; i++ )
        updates[s[i] + t[i]].push_back( i ), vals.push_back( s[i] + t[i] );
    for ( int i = 0; i < q; i++ )
        queries[c[i]].push_back( i ), vals.push_back( c[i] );
    sort( vals.begin(), vals.end() );
    vals.resize( unique( vals.begin(), vals.end() ) - vals.begin() );
    reverse( vals.begin(), vals.end() );

    node *root = bambam.createNode();
    for ( int x: vals ) {
        for ( int i: updates[x] )
            bambam.update( root, 0, MAX_VAL, s[i], t[i], i );
        for ( int i: queries[x] )
            ans[i] = bambam.query( root, 0, MAX_VAL, a[i], MAX_VAL, b[i] );
    }

    for ( int i = 0; i < q; i++ )
        cout << ans[i] << "\n";

    return 0;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 40 ms 33052 KB Output is correct
8 Correct 33 ms 33156 KB Output is correct
9 Correct 36 ms 33008 KB Output is correct
10 Correct 33 ms 33040 KB Output is correct
11 Correct 20 ms 7508 KB Output is correct
12 Correct 23 ms 6516 KB Output is correct
13 Correct 33 ms 32460 KB Output is correct
14 Correct 32 ms 32500 KB Output is correct
15 Correct 32 ms 32500 KB Output is correct
16 Correct 22 ms 6936 KB Output is correct
17 Correct 32 ms 33000 KB Output is correct
18 Correct 75 ms 6464 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2039 ms 242696 KB Output is correct
2 Correct 2011 ms 242664 KB Output is correct
3 Correct 1945 ms 242572 KB Output is correct
4 Correct 1294 ms 240660 KB Output is correct
5 Correct 1039 ms 216628 KB Output is correct
6 Correct 909 ms 205296 KB Output is correct
7 Correct 1855 ms 241628 KB Output is correct
8 Correct 1838 ms 242516 KB Output is correct
9 Correct 1602 ms 241628 KB Output is correct
10 Correct 895 ms 216488 KB Output is correct
11 Correct 1167 ms 240540 KB Output is correct
12 Execution timed out 3042 ms 164052 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2039 ms 242696 KB Output is correct
2 Correct 2011 ms 242664 KB Output is correct
3 Correct 1945 ms 242572 KB Output is correct
4 Correct 1294 ms 240660 KB Output is correct
5 Correct 1039 ms 216628 KB Output is correct
6 Correct 909 ms 205296 KB Output is correct
7 Correct 1855 ms 241628 KB Output is correct
8 Correct 1838 ms 242516 KB Output is correct
9 Correct 1602 ms 241628 KB Output is correct
10 Correct 895 ms 216488 KB Output is correct
11 Correct 1167 ms 240540 KB Output is correct
12 Execution timed out 3042 ms 164052 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 40 ms 33052 KB Output is correct
8 Correct 33 ms 33156 KB Output is correct
9 Correct 36 ms 33008 KB Output is correct
10 Correct 33 ms 33040 KB Output is correct
11 Correct 20 ms 7508 KB Output is correct
12 Correct 23 ms 6516 KB Output is correct
13 Correct 33 ms 32460 KB Output is correct
14 Correct 32 ms 32500 KB Output is correct
15 Correct 32 ms 32500 KB Output is correct
16 Correct 22 ms 6936 KB Output is correct
17 Correct 32 ms 33000 KB Output is correct
18 Correct 75 ms 6464 KB Output is correct
19 Correct 2039 ms 242696 KB Output is correct
20 Correct 2011 ms 242664 KB Output is correct
21 Correct 1945 ms 242572 KB Output is correct
22 Correct 1294 ms 240660 KB Output is correct
23 Correct 1039 ms 216628 KB Output is correct
24 Correct 909 ms 205296 KB Output is correct
25 Correct 1855 ms 241628 KB Output is correct
26 Correct 1838 ms 242516 KB Output is correct
27 Correct 1602 ms 241628 KB Output is correct
28 Correct 895 ms 216488 KB Output is correct
29 Correct 1167 ms 240540 KB Output is correct
30 Execution timed out 3042 ms 164052 KB Time limit exceeded
31 Halted 0 ms 0 KB -