제출 #649920

#제출 시각아이디문제언어결과실행 시간메모리
649920Pablo_No동굴 (IOI13_cave)C++17
0 / 100
379 ms384 KiB
#include "cave.h" #include <vector> void exploreCave(int N) { int B = 13; std::vector<int> q(N), cpos(N), ord(N); for(int i = 0; i < N; i++) { cpos[i] = -1; } for(int i = 0; i < N; i++) { for(int j = 0; j < N; j++) { q[j] = 0; if(cpos[j] != -1) q[j] = cpos[j]; } int an = tryCombination(&q[0]); cpos[i] = 1; if(an > i) cpos[i] = 0; int cp = cpos[i]; int idx = 0; for(int k = 0; k < B; k++) { for(int j = 0; j < N; j++) { q[j] = 1-cp; if(cpos[j] != -1) q[j] = cpos[j]; else if((j & (1 << k)) && ((j | ((1 << k)-1)) == idx)) q[i] = cp; } int anx = tryCombination(&q[0]); if(anx > i) idx += (1 << k); } ord[i] = idx; } answer(&cpos[0], &ord[0]); }
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