제출 #39289

#제출 시각아이디문제언어결과실행 시간메모리
39289ykmyou앵무새 (IOI11_parrots)C++14
81 / 100
13 ms2176 KiB
#include "encoder.h" #include "encoderlib.h" const int cand[] = { 128, 64, 32, 16, 8, 4, 2, 1 }; void encode(int N, int M[]) { for (int i = 0; i < N; i++) { int val = M[i]; for (int j = 0; j < 8; j++) { if (cand[j] <= val) { if (256 <= i) { send(i * 8 + j); send(i * 8 + j); } else send(i * 8 + j); val -= cand[j]; } } } }
#include "decoder.h" #include "decoderlib.h" const int cand[] = { 128, 64, 32, 16, 8, 4, 2, 1 }; void decode(int N, int L, int X[]) { int cnt[256] = { 0, }; for (int i = 0; i < L; i++) cnt[X[i]]++; for (int i = 0; i < N; i++) { int val = 0; for (int j = 0; j < L; j++) { int b = X[j]; if (i < 256 && cnt[b] == 1 || cnt[b] == 3) { if (b / 8 == i) val += cand[b % 8]; } else if(256 <= i && cnt[b] == 2 || cnt[b] == 3){ if (b / 8 == i) val += cand[b % 8]; } } output(val); } }

컴파일 시 표준 에러 (stderr) 메시지

decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:15:16: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if (i < 256 && cnt[b] == 1 || cnt[b] == 3) {
        ~~~~~~~~^~~~~~~~~~~~~~
decoder.cpp:19:21: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    else if(256 <= i && cnt[b] == 2 || cnt[b] == 3){
            ~~~~~~~~~^~~~~~~~~~~~~~
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