oj.uz

Submission #165105

# Submission time Handle Problem Language Result Execution time Memory
165105 2019-11-25T07:48:50 Z Atill83 Studentsko (COCI14_studentsko) C++14
0 / 100
 81 ms 65540 KB 
#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) 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];
int dp[MAXN][MAXN];
map<int, int> blk;

int d(int ind, int mn){
    if(dp[ind][mn] != -1) return dp[ind][mn];
    if(ind == n) return 0;
    int cur = a[ind];
    if(cur <= mn) return dp[ind][mn] = d(ind + 1, mn);
    int sola = 0;
    int ek = 0;
    for(int i = ind + 1; i < n; i++){
        if(a[i] < mn) sola++;
        if(a[i] < cur && a[i] > mn){
            ek++;
        }
    }
    int cik = 0;
    for(int i = 0; i < ind; i++){
        if(a[i] > cur){
            cik++;
        }
    }
    int curI = ind + sola - cik;
    if(curI >= k*cur - k && curI < k*cur){
        return dp[ind][mn] = d(ind + 1, mn);
    }else{
        ll ans1 = d(ind + 1, cur) + ek;
        ll ans2 = d(ind + 1, mn) + 1;
        return dp[ind][mn] = min(ans1, ans2);
    }
}


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
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 504 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 75 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 72 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 65 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 68 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 71 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 81 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 73 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -