oj.uz

답안 #535078

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
535078 2022-03-09T11:16:59 Z Carmel_Ab1 Examination (JOI19_examination) C++17
2 / 100
 3000 ms 8096 KB 
/*
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("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 long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int>vi;
typedef vector<vector<int>>vvi;
typedef vector<ll>vl;
typedef vector<vl> vvl;
typedef pair<int,int>pi;
typedef pair<ll,ll> pl;
typedef vector<pl> vpl;
typedef vector<ld> vld;
typedef pair<ld,ld> pld;
typedef vector<pi> vpi;

//typedef tree<ll, null_type, less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
template<typename T> ostream& operator<<(ostream& os, vector<T>& a){os<<"[";for(int i=0; i<ll(a.size()); i++){os << a[i] << ((i!=ll(a.size()-1)?" ":""));}os << "]\n"; return os;}

#define all(x) x.begin(),x.end()
#define YES out("YES")
#define NO out("NO")
#define out(x){cout << x << "\n"; return;}
#define outfl(x){cout << x << endl;return;}
#define GLHF ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define print(x){for(auto ait:x) cout << ait << " "; cout << "\n";}
#define pb push_back
#define umap unordered_map

template<typename T1, typename T2> istream& operator>>(istream& is, pair<T1, T2>& p){is >> p.first >> p.second;return is;}
template<typename T1, typename T2> ostream& operator<<(ostream& os, pair<T1, T2>& p){os <<"" << p.first << " " << p.second << ""; return os;}
void usaco(string taskname){
    string fin = taskname + ".in";
    string fout = taskname + ".out";
    const char* FIN = fin.c_str();
    const char* FOUT = fout.c_str();
    freopen(FIN, "r", stdin);
    freopen(FOUT, "w", stdout);
}
template<typename T>
void read(vector<T>& v){
    int n=v.size();
    for(int i=0; i<n; i++)
        cin >> v[i];
}
template<typename T>
vector<T>UNQ(vector<T>a){
    vector<T>ans;
    for(T t:a)
        if(ans.empty() || t!=ans.back())
            ans.push_back(t);
    return ans;
}



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

struct Seg{

    int l,r,m,sum=0;
    Seg* lp=0,*rp=0;

    Seg(int l,int r):l(l),r(r),m((l+r)/2){}
    void expand(){
        if(!lp)lp=new Seg(l,m);
        if(!rp)rp=new Seg(m,r);
    }

    void upd(int i,int v){
        sum+=v;
        if(l+1==r)return;
        expand();

        if(i<m)
            lp->upd(i,v);
        else
            rp->upd(i,v);
        sum=lp->sum+rp->sum;
    }

    int qur(int a,int b){
        if(r<=a || b<=l)return 0;
        else if(a<=l && r<=b)return sum;
        expand();
        return lp->qur(a,b)+rp->qur(a,b);
    }

};
void solve() {
    int n,q;
    cin >> n >> q;

    vpi a(n);
    read(a);

    sort(all(a),[&](pi p1,pi p2){
        return p1.first+p1.second>p2.first+p2.second;
    });

    vvi queries(q,vi(4));
    for(int i=0; i<q; i++){
        cin >> queries[i][0] >> queries[i][1] >> queries[i][2];
        queries[i][3]=i;
    }
    sort(all(queries),[&](vi v1,vi v2){
        return vi({v1[2],v1[0],v1[1]})>vi({v2[2],v2[0],v2[1]});
    });

    vi ans(q);

    vpi has;
    for(int i=0,j=0; i<q; i++){
        int x=queries[i][0],y=queries[i][1],z=queries[i][2];
        while(j<n && a[j].first+a[j].second>=z)
            has.pb(a[j++]);

        int ix=queries[i][3];
        for(pi p:has)
            if(p.first>=x && p.second>=y)
                ans[ix]++;
    }

    for(int x:ans)cout << x << "\n";
}

Compilation message

examination.cpp: In function 'void usaco(std::string)':
examination.cpp:47:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |     freopen(FIN, "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~
examination.cpp:48:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |     freopen(FOUT, "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 20 ms 460 KB Output is correct
8 Correct 19 ms 528 KB Output is correct
9 Correct 20 ms 568 KB Output is correct
10 Correct 15 ms 460 KB Output is correct
11 Correct 19 ms 572 KB Output is correct
12 Correct 21 ms 540 KB Output is correct
13 Correct 30 ms 552 KB Output is correct
14 Correct 31 ms 560 KB Output is correct
15 Correct 28 ms 572 KB Output is correct
16 Correct 16 ms 692 KB Output is correct
17 Correct 12 ms 588 KB Output is correct
18 Correct 7 ms 572 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3060 ms 8096 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 3060 ms 8096 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 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 20 ms 460 KB Output is correct
8 Correct 19 ms 528 KB Output is correct
9 Correct 20 ms 568 KB Output is correct
10 Correct 15 ms 460 KB Output is correct
11 Correct 19 ms 572 KB Output is correct
12 Correct 21 ms 540 KB Output is correct
13 Correct 30 ms 552 KB Output is correct
14 Correct 31 ms 560 KB Output is correct
15 Correct 28 ms 572 KB Output is correct
16 Correct 16 ms 692 KB Output is correct
17 Correct 12 ms 588 KB Output is correct
18 Correct 7 ms 572 KB Output is correct
19 Execution timed out 3060 ms 8096 KB Time limit exceeded
20 Halted 0 ms 0 KB -