Submission #715181

#	Time	Username	Problem	Language	Result	Execution time	Memory
715181		Ferid20072020	Examination (JOI19_examination)	C++14	2 / 100	47 ms	1876 KiB

examination

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx,avx2,fma")
 
#include <bits/stdc++.h>
 
using namespace std;
 
#define ll          long long 
#define ull         unsigned long long 
#define ld          long double 
#define ui          unsigned int 
#define f           first
#define s           second
#define ins         insert
#define pb          push_back
#define mp          make_pair
#define ln          '\n'
#define int         ll
#define pii         pair<int , int> 
#define INF         LLONG_MAX
#define vv(a)       vector<a>
#define pp(a, b)    pair<a, b>
#define pq(a)       priority_queue<a>
#define qq(a)       queue<a>
#define ss(a)       set<a>
#define mss(a)      multiset<a>
#define mm(a, b)    map<a, b>
#define mmm(a , b)  multimap<a , b>
#define sz(x)       (x).size()
#define all(x)      (x).begin() , (x).end()
#define fastio                    \
    ios_base::sync_with_stdio(0); \
    cin.tie(0);                   \
    cout.tie(0);
 
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void solve(){
    int n , q;
    cin >> n >> q;
    vv(pii) a(n);
    for(int i=0 ; i<n ; i++){
        cin >> a[i].f >> a[i].s;
    }
    if(n <= 3000 && q <= 3000){
        for(int i=0 ; i<q ; i++){
            int x , y , z , ans = 0;
            cin >> x >> y >> z;
            for(int j=0 ; j<n ; j++){
                if(a[j].f >= x && a[j].s >= y && a[j].f + a[j].s >= z){
                    ans++;
                }
            }
            cout << ans << ln; 
        }
    }
}
 
 
signed main(){
    fastio
 
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
 
    return 0;
}

• Subtask 1: 2 / 2
• Subtask 2: 0 / 20
• Subtask 3: 0 / 21
• Subtask 4: 0 / 57