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Submission #447776

# Submission time Handle Problem Language Result Execution time Memory
447776 2021-07-27T13:50:51 Z dxz05 Dancing Elephants (IOI11_elephants) C++14
26 / 100
 9000 ms 2756 KB 
#pragma GCC optimize("Ofast")
#include "elephants.h"
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 2e5 + 3e2;

int N, L;
int X[MAXN], A[MAXN];
void init(int _N, int _L, int _X[]){
    N = _N;
    L = _L;
    for (int i = 0; i < N; i++) X[i] = _X[i];

    for (int i = 0; i < N; i++) A[i] = X[i];

    sort(A, A + N);

}

int update(int pos, int val){
    for (int i = 0; i < N; i++){
        if (A[i] == X[pos]) A[i] = val;
    }

    X[pos] = val;

    for (int i = 0; i < N - 1; i++){
        if (A[i] > A[i + 1]) swap(A[i], A[i + 1]);
    }

    for (int i = N - 1; i > 1; i--){
        if (A[i - 1] > A[i]) swap(A[i - 1], A[i]);
    }

    //for (int i = 0; i < N; i++) cerr << X[i] << ' '; cerr << endl;
    //for (int i = 0; i < N; i++) cerr << A[i] << ' '; cerr << endl << endl;

    int ans = 1, last = A[0];
    for (int i = 0; i < N; i++){
        if (A[i] - last > L){
            ans++;
            last = A[i];
        }
    }

    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 3437 ms 1052 KB Output is correct
8 Correct 4987 ms 1108 KB Output is correct
9 Correct 7789 ms 1488 KB Output is correct
10 Execution timed out 9096 ms 2756 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 3437 ms 1052 KB Output is correct
8 Correct 4987 ms 1108 KB Output is correct
9 Correct 7789 ms 1488 KB Output is correct
10 Execution timed out 9096 ms 2756 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #5
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 3437 ms 1052 KB Output is correct
8 Correct 4987 ms 1108 KB Output is correct
9 Correct 7789 ms 1488 KB Output is correct
10 Execution timed out 9096 ms 2756 KB Time limit exceeded
11 Halted 0 ms 0 KB -