oj.uz

Submission #165123

# Submission time Handle Problem Language Result Execution time Memory
165123 2019-11-25T08:40:02 Z Atill83 Studentsko (COCI14_studentsko) C++14
30 / 100
 71 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];
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
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 71 ms 65540 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 63 ms 65536 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 66 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 67 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 65 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 70 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 67 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -