제출 #795964

#제출 시각아이디문제언어결과실행 시간메모리
795964hgmhc앵무새 (IOI11_parrots)C++17
0 / 100
1 ms1028 KiB
#include "encoder.h" #include "encoderlib.h" void encode(int n, int a[]) { for (int i = 0; i < n; ++i) { for (int j = 0; j < 4; ++j) { send(i | (j << 4) | ((a[i]>>(2*j)&4) << 6)); } } } // send에 8bit 표현 // a[i] < 2^8 // ?? / ?? / ?? / ?? // 00 / 01 / 10 / 11 // 4bit + 4bit
#include "decoder.h" #include "decoderlib.h" static const int N = 20; static int ans[N]; void decode(int n, int l, int x[]) { for (int k = 0; k < l; ++k) { int i = x[k]&0b1111; int j = x[k]>>4&0b11; int v = x[k]>>6&0b11; ans[i] |= v<<(2*j); } for (int i = 0; i < n; ++i) output(ans[i]); } // ans[i] < 2^8
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