제출 #564844

#제출 시각아이디문제언어결과실행 시간메모리
564844UzoufQuestion (Grader is different from the original contest) (CEOI14_question_grader)C++14
60 / 100
2926 ms24228 KiB
int encode(int n,int x,int y) { int h=-1; for (int p=0;p<=9;p++) { int a=((1<<p)&x),b=((1<<p)&y); if (a==(1<<p) && b!=(1<<p)) { h=p+1; break; } } if (h==-1) { int pa=__builtin_popcount(x),pb=__builtin_popcount(y); for (int p=0;p<=4;p++) { int a=((1<<p)&pa),b=((1<<p)&pb); if (a!=(1<<p) && b==(1<<p)) { h=11+p; break; } } } return h; }
int decode(int n,int q,int h) { h--; if (h>=10) { h-=10; int k=__builtin_popcount(q); if (((1<<h)&k)!=(1<<h)) return 1; else return 0; } else { if (((1<<h)&q)!=(1<<h)) return 0; else return 1; } }
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