Submission #991556

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
991556	2024-06-02 12:17:29	vladilius	Examination (JOI19_examination)	C++17	100 / 100	536 ms	31188 KiB

examination

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> 
#include <ext/pb_ds/tree_policy.hpp> 
using namespace std;
using namespace __gnu_pbds;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
#define ins insert
using ordered_set = tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update>;
const int inf = 2e9 + 5;
 
struct OS{
    ordered_set st;
    void add(int x){
        st.ins(x);
    }
    int get(int x){
        return st.order_of_key(x);
    }
    void clear(){
        st.clear();
    }
};
 
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
 
 
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Compilation message (stderr)

examination.cpp: In lambda function:
examination.cpp:86:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<main()::data>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |         while (i < arr.size()){
      |                ~~^~~~~~~~~~~~
examination.cpp:87:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<main()::data>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |             while (j < arr.size() && arr[j].x < arr[i].x){
      |                    ~~^~~~~~~~~~~~
examination.cpp: In function 'int main()':
examination.cpp:97:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<main()::data>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   97 |     for (int i = 1; i < all.size(); i++){
      |                     ~~^~~~~~~~~~~~

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