Compilare: user.cpp: In function ‘bool verif(int, BoundingBox, int, bool*)’: user.cpp:50:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (h [i] == 0) ^ user.cpp:70:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (h [i] == 0) ^ user.cpp:90:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (h [i] == 0) ^ user.cpp:110:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (h [i] == 0) ^ user.cpp: In function ‘int main()’: user.cpp:138:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("patrate.in", "r", stdin); ^ user.cpp:139:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("patrate.out", "w", stdout); ^ user.cpp:141:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &n); ^ user.cpp:145:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d", &P [i].x, &P [i].y); ^