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답안 #715186

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
715186 2023-03-26T07:34:42 Z murad_2005 Examination (JOI19_examination) C++14
2 / 100
 406 ms 22656 KB 
#include<bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define piii pair<int, pii>
#define pllll pair<ll, ll>
#define plli pair<ll, int>
#define vi vector<int>
#define vvi vector<vector<int>>
#define pb push_back
#define eb emplace_back
#define all(v) v.begin(), v.end()
#define size(v) v.size()
#define INF 1e9
#define f first
#define s second
#define ln "\n"

using namespace std;

vector<pii>p;

void Sub1(int n, int q){
    p.resize(n + 1);
    for(int i = 1; i <= n; ++i){
        cin >> p[i].f >> p[i].s;
    }
    while(q--){
        int x, y, z;
        cin >> x >> y >> z;
        int cnt = 0;
        for(int i = 1; i <= n; i++){
            if(p[i].f >= x && p[i].s >= y && p[i].f + p[i].s >= z){
                cnt++;
            }
        }
        cout << cnt << "\n";
    }
}

const int up = 1e5 + 5;

vector<int>st[up << 2];

void build(int v, int l, int r){
    if(l == r){
        st[v].pb(p[l - 1].s);
    }else{
        int mid = (l + r) >> 1;
        build(v << 1, l, mid);
        build((v << 1) | 1, mid + 1, r);
        st[v].resize(r - l + 1);
        merge(all(st[v << 1]), all(st[(v << 1) | 1]), st[v].begin());
    }
}

int query(int v, int l, int r, int ql, int qr, int val){
    if(r < ql || qr < l) return 0;
    else if(ql <= l && r <= qr){
        int pos = lower_bound(all(st[v]), val) - st[v].begin();
        return size(st[v]) - pos;
    }else{
        int mid = (l + r) >> 1;
        return query(v << 1, l, mid, ql, qr, val) + query((v << 1) | 1, mid + 1, r, ql, qr, val);
    }
}

void Sub2(int n, int q){
    p.resize(n);
    for(int i = 0; i < n; ++i){
        cin >> p[i].f >> p[i].s;
    }
    sort(all(p));
    build(1, 1, n);
    while(q--){
        int x, y, z;
        cin >> x >> y >> z;
        pii P = {x, 0};
        int pos = lower_bound(all(p), P) - p.begin();
        if(pos != n){
            cout << query(1, 1, n, pos + 1, n, y) << "\n";
        }
    }

}

void solve(){
    int n, q;
    cin >> n >> q;
    if(n <= 3000 && q <= 3000){
        Sub1(n, q);
    }else{
        Sub2(n, q);
    }
}

int main(){
    int t;
    t = 1;
    // cin >> t;
    while(t--){
        solve();
    }
    return 0;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9592 KB Output is correct
7 Correct 52 ms 9684 KB Output is correct
8 Correct 51 ms 9720 KB Output is correct
9 Correct 52 ms 9704 KB Output is correct
10 Correct 53 ms 9724 KB Output is correct
11 Correct 51 ms 9708 KB Output is correct
12 Correct 51 ms 9716 KB Output is correct
13 Correct 52 ms 9804 KB Output is correct
14 Correct 52 ms 9712 KB Output is correct
15 Correct 52 ms 9604 KB Output is correct
16 Correct 29 ms 9720 KB Output is correct
17 Correct 39 ms 9684 KB Output is correct
18 Correct 17 ms 9720 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 398 ms 22524 KB Output is correct
2 Correct 406 ms 22484 KB Output is correct
3 Correct 399 ms 22500 KB Output is correct
4 Correct 371 ms 22500 KB Output is correct
5 Correct 297 ms 22476 KB Output is correct
6 Correct 254 ms 22604 KB Output is correct
7 Correct 379 ms 22584 KB Output is correct
8 Correct 364 ms 22504 KB Output is correct
9 Correct 354 ms 22656 KB Output is correct
10 Incorrect 193 ms 22276 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 398 ms 22524 KB Output is correct
2 Correct 406 ms 22484 KB Output is correct
3 Correct 399 ms 22500 KB Output is correct
4 Correct 371 ms 22500 KB Output is correct
5 Correct 297 ms 22476 KB Output is correct
6 Correct 254 ms 22604 KB Output is correct
7 Correct 379 ms 22584 KB Output is correct
8 Correct 364 ms 22504 KB Output is correct
9 Correct 354 ms 22656 KB Output is correct
10 Incorrect 193 ms 22276 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9592 KB Output is correct
7 Correct 52 ms 9684 KB Output is correct
8 Correct 51 ms 9720 KB Output is correct
9 Correct 52 ms 9704 KB Output is correct
10 Correct 53 ms 9724 KB Output is correct
11 Correct 51 ms 9708 KB Output is correct
12 Correct 51 ms 9716 KB Output is correct
13 Correct 52 ms 9804 KB Output is correct
14 Correct 52 ms 9712 KB Output is correct
15 Correct 52 ms 9604 KB Output is correct
16 Correct 29 ms 9720 KB Output is correct
17 Correct 39 ms 9684 KB Output is correct
18 Correct 17 ms 9720 KB Output is correct
19 Correct 398 ms 22524 KB Output is correct
20 Correct 406 ms 22484 KB Output is correct
21 Correct 399 ms 22500 KB Output is correct
22 Correct 371 ms 22500 KB Output is correct
23 Correct 297 ms 22476 KB Output is correct
24 Correct 254 ms 22604 KB Output is correct
25 Correct 379 ms 22584 KB Output is correct
26 Correct 364 ms 22504 KB Output is correct
27 Correct 354 ms 22656 KB Output is correct
28 Incorrect 193 ms 22276 KB Output isn't correct
29 Halted 0 ms 0 KB -