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Submission #53007

# Submission time Handle Problem Language Result Execution time Memory
53007 2018-06-27T14:46:51 Z SpaimaCarpatilor Parrots (IOI11_parrots) C++17
52 / 100
 9 ms 2296 KB 
#include "encoder.h"
#include "encoderlib.h"

void encode(int N, int M[])
{
    if (N <= 16)
    {
        int sz = 0, v[200];
        for (int i=0; i<N; i++)
            for (int j=0; j<8; j++)
                v[sz ++] = (M[i] >> j) & 1;
        for (int i=0; 2 * i < sz; i++)
        {
            int msk = (i << 2) | (v[2 * i] << 1) | v[2 * i + 1];
            send (msk);
        }
    }
}

#include "decoder.h"
#include "decoderlib.h"

void decode(int N, int L, int X[])
{
    if (N <= 16)
    {
        int v[200];
        for (int i=0; i<L; i++)
        {
            int pos = X[i] >> 2;
            v[2 * pos + 1] = X[i] & 1;
            v[2 * pos] = (X[i] >> 1) & 1;
        }
        for (int j=0; j<2 * L; j+=8)
        {
            int msk = 0;
            for (int k=j; k<j + 8; k++)
                if (v[k])
                    msk |= 1 << (k - j);
            output (msk);
        }
        return ;
    }
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 780 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1608 KB Output is correct
2 Correct 6 ms 1608 KB Output is correct
3 Correct 7 ms 1896 KB Output is correct
4 Correct 8 ms 2192 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2192 KB Output is correct
2 Correct 5 ms 2192 KB Output is correct
3 Correct 5 ms 2192 KB Output is correct
4 Correct 7 ms 2192 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2224 KB Output is correct
2 Correct 5 ms 2224 KB Output is correct
3 Incorrect 5 ms 2224 KB Error : Output length must be N
4 Halted 0 ms 0 KB -

Subtask #5
0.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 2296 KB Output is correct - P = 4.000000
2 Incorrect 4 ms 2296 KB Error : Output length must be N
3 Incorrect 5 ms 2296 KB Error : Output length must be N
4 Incorrect 5 ms 2296 KB Error : Output length must be N
5 Incorrect 6 ms 2296 KB Error : Output length must be N
6 Incorrect 6 ms 2296 KB Error : Output length must be N
7 Incorrect 6 ms 2296 KB Error : Output length must be N