제출 #165124

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
165124		Atill83	학생 (COCI14_studentsko)	C++14	30 / 100	67 ms	65540 KiB

studentsko

#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 4.5e3+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n, k;
int a[MAXN];
int b[MAXN];
map<int, int> blk;
int dp[MAXN][MAXN];
int d(int ind, int tepe){
    if(dp[ind][tepe] != -1) return dp[ind][tepe];
    if(ind == n) return 0;
    if(a[ind] >= tepe){
        return min(d(ind + 1, a[ind]), d(ind + 1, tepe) + 1);
    }else{
        return d(ind + 1, tepe) + 1;
    }
}


int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("../IO/int.txt","r",stdin);
        freopen("../IO/out.txt","w",stdout);
    #endif

    cin>>n>>k;

    for(int i = 0; i < n; i++){
        cin>>a[i];
        b[i] = a[i];
    }
    for(int i = 0; i < n; i++){
        for(int j = 0; j <= n; j++)
            dp[i][j] = -1;
    }
    sort(b, b + n);
    for(int i = 0; i < n; i++){
        blk[b[i]] = i / k + 1;
    }
    for(int i = 0; i < n; i++){
        a[i] = blk[a[i]];
    }
    cout<<d(0, 0);

    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10