제출 #870180

#제출 시각아이디문제언어결과실행 시간메모리
870180AtabayRajabli동굴 (IOI13_cave)C++17
0 / 100
44 ms348 KiB
#include "cave.h" void exploreCave(int n) { int q = 0; int a[n], b[n], ans[n], d[n]; for(int i = 0; i<n; i++) { a[i] = 0; b[i] = 0; } int l, r, mid; for(int i = 0; i<n; i++) { l = 0, r = n-1; int q = tryCombination(a); while(l <= r) { mid = (l + r + 1) / 2; for(int i = l; i<mid; i++)b[i] = a[i]; for(int i = mid; i<=r; i++)b[i] = !a[i]; int k = tryCombination(b); if((q == i && k > q) || (q > i && k == i)) { l = mid; } else { r = mid - 1; } } d[mid] = i; if(q > i)ans[i] = a[i]; else ans[i] = !a[i]; } answer(ans, d); }

컴파일 시 표준 에러 (stderr) 메시지

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:4:9: warning: unused variable 'q' [-Wunused-variable]
    4 |     int q = 0;
      |         ^
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