Submission #1101109

#	Time	Username	Problem	Language	Result	Execution time	Memory
1101109		bvv23	Studentsko (COCI14_studentsko)	C++17	100 / 100	37 ms	1276 KiB

studentsko

// Ahmadov orz
/// successful failure
#include <bits/stdc++.h>
/// #include <ext/pb_ds/assoc_container.hpp>
using namespace std;
/// using namespace __gnu_pbds;
#define int long long
#define pb push_back
#define pii pair<int, int>
#define all(v) v.begin(),v.end()
#define ff first
#define ss second
#define drop(x) cout<<x<<endl;return
// template <class T>
// using isTree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

/// sometimes you gotta think simple
struct custom_hash {
    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        x ^= FIXED_RANDOM;
        return x ^ (x >> 16);
    }
};
const int N = 5e3 + 7;
int dp[N];
void failure()
{
    int n, k;
    cin >> n >> k;
    map <int,vector<int>> idx;
    vector <int> arr(n), color(n);
    for (int i = 0; i < n; i++) {
        cin >> arr[i];
        idx[arr[i]].pb(i);
    }
    int reng = 1;
    int cnt = 0;
    sort(all(arr));
    for (int i = 0; i < n; i++) {
        cnt++;
        if (cnt == k + 1) {
            reng++;
            cnt = 1;
        }
        color[idx[arr[i]].back()] = reng;
        idx[arr[i]].pop_back();
    }
    int ans = 0;
    for (int i = 0; i < n; i++) {
        dp[i] = 1;
        for (int j = 0; j < i; j++) {
            if (color[i] >= color[j]) {
                dp[i] = max(dp[i], dp[j] + 1);
            }
        }
        ans = max(ans, dp[i]);
    }
    drop(n - ans);
}
signed main() { 
    ios_base::sync_with_stdio(0); 
    cin.tie(NULL);                
    cout.tie(NULL);
    int tt = 1;
    //cin >> tt;
    while (tt--)
    {
        failure();
    }
}
  

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10