Submission #717732

#	Time	Username	Problem	Language	Result	Execution time	Memory
717732		EntityPlantt	Parrots (IOI11_parrots)	C++14	52 / 100	2 ms	1052 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
void encode(int n, int m[]) {
    for (int i = 0; i < n; i++) {
        send((i << 4) | 0 | ((m[i] >> 0) & 3));
        send((i << 4) | 4 | ((m[i] >> 2) & 3));
        send((i << 4) | 8 | ((m[i] >> 4) & 3));
        send((i << 4) | 12 | ((m[i] >> 6) & 3));
    }
}
/**
 * IIIIPPVV
 * I - index
 * P - part
 * V - value
**/

decoder

#include "decoder.h"
#include "decoderlib.h"
#include <vector>
void decode(int n, int l, int x[]) {
    std::vector <int> m(n, 0);
    for (int i = 0; i < l; i++) {
        switch (x[i] & 12) {
            case 0: m[x[i] >> 4] |= (x[i] & 3) << 0; break;
            case 4: m[x[i] >> 4] |= (x[i] & 3) << 2; break;
            case 8: m[x[i] >> 4] |= (x[i] & 3) << 4; break;
            case 12: m[x[i] >> 4] |= (x[i] & 3) << 6; break;
        }
    }
    for (int &i : m) {
        output(i);
    }
}
/**
 * IIIIPPVV
 * I - index
 * P - part
 * V - value
**/

• Subtask 1: 17 / 17
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 0 / 29
• Subtask 5: 0 / 19