#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template <typename T>
using pbds_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template <typename K, typename V>
using pbds_map = tree<K, V, less<K>, rb_tree_tag, tree_order_statistics_node_update>;
template <typename T>
using pbds_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
template <typename K, typename V>
using pbds_multimap = tree<K, V, less_equal<K>, rb_tree_tag, tree_order_statistics_node_update>;
//FOR PBDS MULTISET/MAP, LOWER BOUND SWAPS WITH UPPER BOUND IN FUNCTION
#define int long long
main(){
int n; cin >> n;
int arr[n]; for (int x= 0; x < n;x ++) cin >> arr[x];
vector<vector<int>> subsegs;
pbds_multiset<int> used;
vector<int> curSubseg;
for (int x = 0; x < n; x++){
//no ele in between curval + 1 and arr[x]-1 inclusive
//so all ele either >= arr[x] (thus < arr[x] breaks it)
//or <= curSubseg[0]+1 (thus > curSubseg[0]+1 breaks it)
if (curSubseg.empty() || (curSubseg.back() <= arr[x] && used.order_of_key(curSubseg[0]+1) == used.order_of_key(arr[x]))) curSubseg.push_back(arr[x]);
else{
for (auto i : curSubseg) used.insert(i);
subsegs.push_back(curSubseg), curSubseg.clear(), x--;
}
}
if (!curSubseg.empty()) subsegs.push_back(curSubseg);
cout << subsegs.size();
}
Compilation message
money.cpp:24:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
24 | main(){
| ^~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 9 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 9 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 9 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 9 |
Halted |
0 ms |
0 KB |
- |
