oj.uz

답안 #945072

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
945072 2024-03-13T11:25:33 Z JakobZorz Examination (JOI19_examination) C++17
0 / 100
 3000 ms 15108 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{
    int a,b,c;
    int res=0;
    bool is_q=false;
};

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){
    if(arr.empty())
        return;
    int n=(int)arr.size();
    vector<Obj*>qrs,vals;
    vector<Obj*>arr1,arr2;
    for(int i=n/2;i<n;i++){
        arr2.push_back(arr[i]);
        if(!arr[i]->is_q)
            vals.push_back(arr[i]);
    }
    for(int i=0;i<n/2;i++){
        arr1.push_back(arr[i]);
        if(arr[i]->is_q)
            qrs.push_back(arr[i]);
    }
    proc(vals,qrs);
    if(n>1){
        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;
    }
    vector<Obj>qrs(q);
    for(Obj&i:qrs){
        cin>>i.a>>i.b>>i.c;
        i.is_q=true;
    }
    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
 
 */

Subtask #1
0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 21 ms 1116 KB Output is correct
8 Correct 19 ms 860 KB Output is correct
9 Correct 19 ms 944 KB Output is correct
10 Correct 12 ms 856 KB Output is correct
11 Correct 17 ms 1012 KB Output is correct
12 Incorrect 17 ms 860 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3035 ms 15108 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 3035 ms 15108 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 21 ms 1116 KB Output is correct
8 Correct 19 ms 860 KB Output is correct
9 Correct 19 ms 944 KB Output is correct
10 Correct 12 ms 856 KB Output is correct
11 Correct 17 ms 1012 KB Output is correct
12 Incorrect 17 ms 860 KB Output isn't correct
13 Halted 0 ms 0 KB -