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Submission #1041266

# Submission time Handle Problem Language Result Execution time Memory
1041266 2024-08-01T19:54:36 Z pera Examination (JOI19_examination) C++17
100 / 100
 1465 ms 662412 KB 
#include<bits/stdc++.h>
using namespace std;
const int N = 2e5 + 1;
int n , q , MAX_S , MAX_T;
vector<int> S(N) , T(N) , X(N) , Y(N) , Z(N) , ans(N);
vector<pair<int , int>> _S , _T;
vector<tuple<int , int , int>> v;
struct node{
   node *left , *right;
   int sum = 0;
   node(int sum = 0) : left(NULL) , right(NULL) , sum(sum) {}
} *t[4 * N];
void UPD(node *&u , int l , int r , int pos , int x){
   if(!u){
      u = new node();
   }
   if(l == r){
      u->sum += x;
      return;
   }
   int m = (l + r) / 2;
   if(pos <= m){
      UPD(u->left , l , m , pos , x);
   }else{
      UPD(u->right , m + 1 , r , pos , x);
   }
   u->sum = 0;
   if(u->left){
      u->sum += u->left->sum;
   }
   if(u->right){
      u->sum += u->right->sum;
   }
}
int GET(node *&u , int l , int r , int L , int R){
   if(l > r || r < L || l > R || u == NULL){
      return 0;
   }
   if(L <= l && r <= R){
      return u->sum;
   }
   int m = (l + r) / 2;
   return GET(u->left , l , m , L , R) + GET(u->right , m + 1 , r , L , R);
}
void update(int u , int l , int r , int pos , int t_pos){
   if(l == r){
      UPD(t[u] , 1 , MAX_T , t_pos , 1);
      return;
   }
   int m = (l + r) / 2;
   if(pos <= m){
      update(u * 2 , l , m , pos , t_pos);
   }else{
      update(u * 2 + 1 , m + 1 , r , pos , t_pos);
   }
   UPD(t[u] , 1 , MAX_T , t_pos , 1);
}
int get(int u , int l , int r , int L , int R , int t_L , int t_R){
   if(l > r || r < L || l > R){
      return 0;
   }
   if(L <= l && r <= R){
      return GET(t[u] , 1 , MAX_T , t_L , t_R);
   }
   int m = (l + r) / 2;
   return get(u * 2 , l , m , L , R , t_L , t_R) + get(u * 2 + 1 , m + 1 , r , L , R , t_L , t_R);
}
int main(){
   cin >> n >> q;
   for(int i = 1;i <= n;i ++){
      cin >> S[i] >> T[i];
      v.push_back({S[i] + T[i] , 1 , i});
      _S.push_back({S[i] , i});
      _T.push_back({T[i] , i});
   }
   for(int i = 1;i <= q;i ++){
      cin >> X[i] >> Y[i] >> Z[i];
      v.push_back({Z[i] , 0 , i});
      _S.push_back({X[i] , -i});
      _T.push_back({Y[i] , -i});
   }
   sort(_S.begin() , _S.end());
   sort(_T.begin() , _T.end());
   for(int i = 0;i < (int)_S.size();i ++){
      int lst = (i > 0 ? _S[i - 1].second > 0 ? S[_S[i - 1].second] : X[-_S[i - 1].second] : 1);
      if(_S[i].second > 0){
         S[_S[i].second] = lst + (i > 0 ? (_S[i].first > _S[i - 1].first) : 0);
      }else{
         X[-_S[i].second] = lst + (i > 0 ? (_S[i].first > _S[i - 1].first) : 0);
      }
   }
   for(int i = 0;i < (int)_T.size();i ++){
      int lst = (i > 0 ? _T[i - 1].second > 0 ? T[_T[i - 1].second] : Y[-_T[i - 1].second] : 1);
      if(_T[i].second > 0){
         T[_T[i].second] = lst + (i > 0 ? (_T[i].first > _T[i - 1].first) : 0);
      }else{
         Y[-_T[i].second] = lst + (i > 0 ? (_T[i].first > _T[i - 1].first) : 0);
      }
   }
   MAX_S = max(*max_element(S.begin() , S.end()) , *max_element(X.begin() , X.end()));
   MAX_T = max(*max_element(T.begin() , T.end()) , *max_element(Y.begin() , Y.end()));
   sort(v.rbegin() , v.rend());
   for(auto [value , type , id] : v){
      if(type > 0){
         update(1 , 1 , MAX_S , S[id] , T[id]);
      }else{
         ans[id] = get(1 , 1 , MAX_S , X[id] , MAX_S , Y[id] , MAX_T);
      }
   }
   for(int i = 1;i <= q;i ++){
      cout << ans[i] << endl;
   }
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 3 ms 4956 KB Output is correct
5 Correct 2 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 21 ms 16240 KB Output is correct
8 Correct 22 ms 16220 KB Output is correct
9 Correct 25 ms 16220 KB Output is correct
10 Correct 10 ms 7224 KB Output is correct
11 Correct 11 ms 7004 KB Output is correct
12 Correct 7 ms 5212 KB Output is correct
13 Correct 23 ms 16144 KB Output is correct
14 Correct 23 ms 16220 KB Output is correct
15 Correct 27 ms 16064 KB Output is correct
16 Correct 9 ms 5724 KB Output is correct
17 Correct 9 ms 5980 KB Output is correct
18 Correct 6 ms 5468 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1230 ms 516204 KB Output is correct
2 Correct 1343 ms 515868 KB Output is correct
3 Correct 1288 ms 515944 KB Output is correct
4 Correct 289 ms 54628 KB Output is correct
5 Correct 296 ms 52588 KB Output is correct
6 Correct 179 ms 11500 KB Output is correct
7 Correct 1099 ms 493456 KB Output is correct
8 Correct 1091 ms 493716 KB Output is correct
9 Correct 1010 ms 471892 KB Output is correct
10 Correct 203 ms 20076 KB Output is correct
11 Correct 211 ms 22080 KB Output is correct
12 Correct 180 ms 11116 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1230 ms 516204 KB Output is correct
2 Correct 1343 ms 515868 KB Output is correct
3 Correct 1288 ms 515944 KB Output is correct
4 Correct 289 ms 54628 KB Output is correct
5 Correct 296 ms 52588 KB Output is correct
6 Correct 179 ms 11500 KB Output is correct
7 Correct 1099 ms 493456 KB Output is correct
8 Correct 1091 ms 493716 KB Output is correct
9 Correct 1010 ms 471892 KB Output is correct
10 Correct 203 ms 20076 KB Output is correct
11 Correct 211 ms 22080 KB Output is correct
12 Correct 180 ms 11116 KB Output is correct
13 Correct 1170 ms 516500 KB Output is correct
14 Correct 1253 ms 516200 KB Output is correct
15 Correct 1232 ms 515944 KB Output is correct
16 Correct 280 ms 54632 KB Output is correct
17 Correct 287 ms 52548 KB Output is correct
18 Correct 184 ms 11572 KB Output is correct
19 Correct 1145 ms 516444 KB Output is correct
20 Correct 1209 ms 515948 KB Output is correct
21 Correct 1018 ms 499564 KB Output is correct
22 Correct 206 ms 20020 KB Output is correct
23 Correct 227 ms 22892 KB Output is correct
24 Correct 194 ms 11116 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 3 ms 4956 KB Output is correct
5 Correct 2 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 21 ms 16240 KB Output is correct
8 Correct 22 ms 16220 KB Output is correct
9 Correct 25 ms 16220 KB Output is correct
10 Correct 10 ms 7224 KB Output is correct
11 Correct 11 ms 7004 KB Output is correct
12 Correct 7 ms 5212 KB Output is correct
13 Correct 23 ms 16144 KB Output is correct
14 Correct 23 ms 16220 KB Output is correct
15 Correct 27 ms 16064 KB Output is correct
16 Correct 9 ms 5724 KB Output is correct
17 Correct 9 ms 5980 KB Output is correct
18 Correct 6 ms 5468 KB Output is correct
19 Correct 1230 ms 516204 KB Output is correct
20 Correct 1343 ms 515868 KB Output is correct
21 Correct 1288 ms 515944 KB Output is correct
22 Correct 289 ms 54628 KB Output is correct
23 Correct 296 ms 52588 KB Output is correct
24 Correct 179 ms 11500 KB Output is correct
25 Correct 1099 ms 493456 KB Output is correct
26 Correct 1091 ms 493716 KB Output is correct
27 Correct 1010 ms 471892 KB Output is correct
28 Correct 203 ms 20076 KB Output is correct
29 Correct 211 ms 22080 KB Output is correct
30 Correct 180 ms 11116 KB Output is correct
31 Correct 1170 ms 516500 KB Output is correct
32 Correct 1253 ms 516200 KB Output is correct
33 Correct 1232 ms 515944 KB Output is correct
34 Correct 280 ms 54632 KB Output is correct
35 Correct 287 ms 52548 KB Output is correct
36 Correct 184 ms 11572 KB Output is correct
37 Correct 1145 ms 516444 KB Output is correct
38 Correct 1209 ms 515948 KB Output is correct
39 Correct 1018 ms 499564 KB Output is correct
40 Correct 206 ms 20020 KB Output is correct
41 Correct 227 ms 22892 KB Output is correct
42 Correct 194 ms 11116 KB Output is correct
43 Correct 1465 ms 657776 KB Output is correct
44 Correct 1309 ms 662412 KB Output is correct
45 Correct 1444 ms 662056 KB Output is correct
46 Correct 319 ms 78408 KB Output is correct
47 Correct 319 ms 74220 KB Output is correct
48 Correct 182 ms 12360 KB Output is correct
49 Correct 1287 ms 631260 KB Output is correct
50 Correct 1194 ms 631472 KB Output is correct
51 Correct 1156 ms 600028 KB Output is correct
52 Correct 233 ms 31352 KB Output is correct
53 Correct 234 ms 34760 KB Output is correct