oj.uz

답안 #945411

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
945411 2024-03-13T18:16:25 Z JakobZorz Examination (JOI19_examination) C++17
2 / 100
 3000 ms 17512 KB 
#include<iostream>
#include<vector>
#include<queue>
#include<stack>
#include<algorithm>
#include<limits.h>
#include<math.h>
#include<map>
#include<set>
#include<unordered_map>
#include<unordered_set>
#include<iomanip>
#include<cstring>
#include<random>
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
using namespace std;

struct Obj{
    ll a,b,c;
    int res;
    bool is_q;
};

bool cmp1(Obj*a,Obj*b){
    return a->c<b->c;
}

void proc(vector<Obj*>vals,vector<Obj*>qrs){
    for(auto i:qrs)
        for(auto j:vals)
            if(j->a>=i->a&&j->b>=i->b)
                i->res++;
}

void dc(vector<Obj*>arr){
    int n=(int)arr.size();
    if(arr[0]->c==arr.back()->c){
        vector<Obj*>qrs,vals;
        for(int i=0;i<n;i++){
            if(arr[i]->is_q)
                qrs.push_back(arr[i]);
            else
                vals.push_back(arr[i]);
        }
        proc(vals,qrs);
        return;
    }
    int mid=0;
    for(int i=0;i<n/2||mid==0;i++)
        if(arr[i]->c!=arr[i+1]->c)
            mid=i+1;
    vector<Obj*>qrs,vals;
    vector<Obj*>arr1,arr2;
    for(int i=mid;i<n;i++){
        arr2.push_back(arr[i]);
        if(!arr[i]->is_q)
            vals.push_back(arr[i]);
    }
    for(int i=0;i<mid;i++){
        arr1.push_back(arr[i]);
        if(arr[i]->is_q)
            qrs.push_back(arr[i]);
    }
    proc(vals,qrs);
    dc(arr1);
    dc(arr2);
}

void solve(){
    int n,q;
    cin>>n>>q;
    vector<Obj>arr(n);
    for(Obj&i:arr){
        cin>>i.a>>i.b;
        i.c=i.a+i.b;
        i.is_q=false;
        i.res=0;
    }
    vector<Obj>qrs(q);
    for(Obj&i:qrs){
        cin>>i.a>>i.b>>i.c;
        i.is_q=true;
        i.res=0;
    }
    vector<Obj*>all;
    for(Obj&i:arr)
        all.push_back(&i);
    for(Obj&i:qrs)
        all.push_back(&i);
    sort(all.begin(),all.end(),cmp1);
    dc(all);
    for(auto i:qrs)
        cout<<i.res<<"\n";
}

int main(){
    ios::sync_with_stdio(false);cout.tie(NULL);cin.tie(NULL);
    //freopen("/Users/jakob/cp_testing/test.txt","r",stdin);//freopen("output.out","w",stdout);
    int t=1;//cin>>t;
    while(t--)solve();
    return 0;
}


/*

5 4
35 100
70 70
45 15
80 40
20 95
20 50 120
10 10 100
60 60 80
0 100 100
 
 
 1
 0
 2
 0
 1
 1
 0
 1
 3
 1
 
 
 
 */

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 19 ms 1112 KB Output is correct
8 Correct 19 ms 1368 KB Output is correct
9 Correct 19 ms 1112 KB Output is correct
10 Correct 12 ms 860 KB Output is correct
11 Correct 16 ms 972 KB Output is correct
12 Correct 15 ms 860 KB Output is correct
13 Correct 33 ms 1116 KB Output is correct
14 Correct 34 ms 1104 KB Output is correct
15 Correct 33 ms 1108 KB Output is correct
16 Correct 11 ms 1008 KB Output is correct
17 Correct 9 ms 860 KB Output is correct
18 Correct 3 ms 856 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3065 ms 17512 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3065 ms 17512 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 19 ms 1112 KB Output is correct
8 Correct 19 ms 1368 KB Output is correct
9 Correct 19 ms 1112 KB Output is correct
10 Correct 12 ms 860 KB Output is correct
11 Correct 16 ms 972 KB Output is correct
12 Correct 15 ms 860 KB Output is correct
13 Correct 33 ms 1116 KB Output is correct
14 Correct 34 ms 1104 KB Output is correct
15 Correct 33 ms 1108 KB Output is correct
16 Correct 11 ms 1008 KB Output is correct
17 Correct 9 ms 860 KB Output is correct
18 Correct 3 ms 856 KB Output is correct
19 Execution timed out 3065 ms 17512 KB Time limit exceeded
20 Halted 0 ms 0 KB -