oj.uz

Submission #307932

# Submission time Handle Problem Language Result Execution time Memory
307932 2020-09-29T14:51:13 Z mohamedsobhi777 Examination (JOI19_examination) C++14
100 / 100
 1929 ms 143180 KB 
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp> 
/*
#pragma GCC optimize("-Ofast")
//#pragma GCC optimize("trapv")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.2,popcnt,abm,mmx,avx2,tune=native")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-funroll-loops")*/

#define I inline void 
#define vi vector<int> 
#define vii vector<pair<int,int>>
#define pii pair<int,int>
#define pll pair<ll,ll>

using namespace std ; 
using namespace __gnu_pbds; 

typedef tree<pii, null_type , less<pii> , rb_tree_tag , tree_order_statistics_node_update> indexed_set ; 

using ll = long long ; 
using ld = long double ; 


const int N = 2e5 + 7 , mod = 1e9 + 7 ; 
const int inf = N ; 
// How interesting!

int n , k; 
vector< pair<pii , pii> > v ; 
int ans[N] ; 
int A[N] , B[N] , S[N] ; 
int qA[N] , qB[N] , qS[N] ; 

vector<int> v1 , v2 ; 

void cmp(vector<int> &x){
        sort(x.begin() , x.end()) ; 
        x.erase(unique(x.begin() , x.end()) , x.end()) ; 
}

indexed_set mst[N] ; 
int t = 0 ; 

void add(int x , int y){
        for(;x < N ; x += x&-x)
                mst[x].insert({y , ++ t}) ; 
}

int upto(int x , int y){
        int ret = 0 ; 
        for(;x;x-=x&-x){
                int j = mst[x].order_of_key({y , -1}) ; 
                ret += (int) mst[x].size() - j ; 
        }
        return ret ; 
}

int get(int l ,int r , int x){
        return upto(r , x) - upto(l  - 1 ,x) ; 
}

int main(){
        ios_base::sync_with_stdio(0) ;
        cin.tie(0) ; 
        //freopen("in.in" , "r" , stdin) ; 
        cin >> n >> k ; 
        for(int i = 0 ;i < n;i ++ ){
                cin >> A[i] >> B[i] ; 
                S[i] = A[i] + B[i] ; 
                v1.push_back(A[i]) ; 
                v2.push_back(B[i]) ; 
        }
        for(int i = 0 ;i < k ;i ++){
                cin >> qA[i] >> qB[i] >> qS[i] ; 
                v1.push_back(qA[i]) ; 
                v2.push_back(qB[i]) ; 
        }

        cmp(v1) ; 
        cmp(v2) ; 
        for(int i = 0 ;i < n;i ++){
                A[i] = lower_bound(v1.begin() , v1.end() , A[i]) - v1.begin() + 1 ; 
                B[i] = lower_bound(v2.begin() , v2.end() , B[i]) - v2.begin() + 1 ; 
        }

        for(int i = 0 ;i < k ; ++ i){
                qA[i] = lower_bound(v1.begin() , v1.end() , qA[i]) - v1.begin() + 1 ; 
                qB[i] = lower_bound(v2.begin() , v2.end() , qB[i]) - v2.begin() + 1 ;         
        }

        for(int i = 0 ;i < n;i ++ ){
                v.push_back({{-S[i] , - 1 } , {A[i] , B[i]} }) ; 
        }

        for(int i = 0 ;i < k;  ++ i){
                v.push_back({{-qS[i] , i } , {qA[i] , qB[i]} }) ; 
        }

        sort(v.begin() , v.end()) ; 

        vector< pii> aux ; 
        for(int i = 0 ;i < n + k ; ++ i){
                if(v[i].first.second < 0){
                        assert(v[i].second.first && v[i].second.second) ; 
                        add(v[i].second.first , v[i].second.second) ; 
                }
                else{
                        int ret = get(v[i].second.first , N - 1 , v[i].second.second) ; 
                        
                        ans[v[i].first.second] = ret ; 
                }

        }
        for(int i = 0 ;i < k ; ++ i)
                cout<< ans[i] <<"\n" ; 
        return 0 ; 
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 19200 KB Output is correct
2 Correct 20 ms 19200 KB Output is correct
3 Correct 19 ms 19200 KB Output is correct
4 Correct 19 ms 19200 KB Output is correct
5 Correct 21 ms 19200 KB Output is correct
6 Correct 19 ms 19200 KB Output is correct
7 Correct 40 ms 21624 KB Output is correct
8 Correct 40 ms 21676 KB Output is correct
9 Correct 42 ms 21752 KB Output is correct
10 Correct 42 ms 21632 KB Output is correct
11 Correct 48 ms 22564 KB Output is correct
12 Correct 45 ms 22520 KB Output is correct
13 Correct 41 ms 21632 KB Output is correct
14 Correct 42 ms 21624 KB Output is correct
15 Correct 43 ms 21632 KB Output is correct
16 Correct 53 ms 22776 KB Output is correct
17 Correct 40 ms 21604 KB Output is correct
18 Correct 53 ms 22776 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1906 ms 89904 KB Output is correct
2 Correct 1872 ms 90040 KB Output is correct
3 Correct 1896 ms 89816 KB Output is correct
4 Correct 1247 ms 90196 KB Output is correct
5 Correct 1318 ms 130268 KB Output is correct
6 Correct 1207 ms 130348 KB Output is correct
7 Correct 1449 ms 89600 KB Output is correct
8 Correct 1821 ms 89984 KB Output is correct
9 Correct 1396 ms 89684 KB Output is correct
10 Correct 1289 ms 139732 KB Output is correct
11 Correct 983 ms 89632 KB Output is correct
12 Correct 1855 ms 139564 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1906 ms 89904 KB Output is correct
2 Correct 1872 ms 90040 KB Output is correct
3 Correct 1896 ms 89816 KB Output is correct
4 Correct 1247 ms 90196 KB Output is correct
5 Correct 1318 ms 130268 KB Output is correct
6 Correct 1207 ms 130348 KB Output is correct
7 Correct 1449 ms 89600 KB Output is correct
8 Correct 1821 ms 89984 KB Output is correct
9 Correct 1396 ms 89684 KB Output is correct
10 Correct 1289 ms 139732 KB Output is correct
11 Correct 983 ms 89632 KB Output is correct
12 Correct 1855 ms 139564 KB Output is correct
13 Correct 1616 ms 89788 KB Output is correct
14 Correct 1877 ms 89972 KB Output is correct
15 Correct 1913 ms 90144 KB Output is correct
16 Correct 986 ms 90020 KB Output is correct
17 Correct 1256 ms 130276 KB Output is correct
18 Correct 1189 ms 130280 KB Output is correct
19 Correct 1584 ms 89816 KB Output is correct
20 Correct 1748 ms 89812 KB Output is correct
21 Correct 1413 ms 89752 KB Output is correct
22 Correct 1251 ms 139740 KB Output is correct
23 Correct 971 ms 89836 KB Output is correct
24 Correct 1770 ms 139736 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 19200 KB Output is correct
2 Correct 20 ms 19200 KB Output is correct
3 Correct 19 ms 19200 KB Output is correct
4 Correct 19 ms 19200 KB Output is correct
5 Correct 21 ms 19200 KB Output is correct
6 Correct 19 ms 19200 KB Output is correct
7 Correct 40 ms 21624 KB Output is correct
8 Correct 40 ms 21676 KB Output is correct
9 Correct 42 ms 21752 KB Output is correct
10 Correct 42 ms 21632 KB Output is correct
11 Correct 48 ms 22564 KB Output is correct
12 Correct 45 ms 22520 KB Output is correct
13 Correct 41 ms 21632 KB Output is correct
14 Correct 42 ms 21624 KB Output is correct
15 Correct 43 ms 21632 KB Output is correct
16 Correct 53 ms 22776 KB Output is correct
17 Correct 40 ms 21604 KB Output is correct
18 Correct 53 ms 22776 KB Output is correct
19 Correct 1906 ms 89904 KB Output is correct
20 Correct 1872 ms 90040 KB Output is correct
21 Correct 1896 ms 89816 KB Output is correct
22 Correct 1247 ms 90196 KB Output is correct
23 Correct 1318 ms 130268 KB Output is correct
24 Correct 1207 ms 130348 KB Output is correct
25 Correct 1449 ms 89600 KB Output is correct
26 Correct 1821 ms 89984 KB Output is correct
27 Correct 1396 ms 89684 KB Output is correct
28 Correct 1289 ms 139732 KB Output is correct
29 Correct 983 ms 89632 KB Output is correct
30 Correct 1855 ms 139564 KB Output is correct
31 Correct 1616 ms 89788 KB Output is correct
32 Correct 1877 ms 89972 KB Output is correct
33 Correct 1913 ms 90144 KB Output is correct
34 Correct 986 ms 90020 KB Output is correct
35 Correct 1256 ms 130276 KB Output is correct
36 Correct 1189 ms 130280 KB Output is correct
37 Correct 1584 ms 89816 KB Output is correct
38 Correct 1748 ms 89812 KB Output is correct
39 Correct 1413 ms 89752 KB Output is correct
40 Correct 1251 ms 139740 KB Output is correct
41 Correct 971 ms 89836 KB Output is correct
42 Correct 1770 ms 139736 KB Output is correct
43 Correct 1638 ms 85368 KB Output is correct
44 Correct 1622 ms 90520 KB Output is correct
45 Correct 1929 ms 90324 KB Output is correct
46 Correct 1002 ms 88700 KB Output is correct
47 Correct 1275 ms 133588 KB Output is correct
48 Correct 1109 ms 131288 KB Output is correct
49 Correct 1512 ms 87000 KB Output is correct
50 Correct 1382 ms 90204 KB Output is correct
51 Correct 1219 ms 87000 KB Output is correct
52 Correct 1922 ms 143180 KB Output is correct
53 Correct 974 ms 87836 KB Output is correct