Compilare: main.cpp: In function 'void dinamica(int)': main.cpp:18:15: warning: unused variable 'k' [-Wunused-variable] int i, j, k, bitmask, new_bitmask, lim, cmin; ^ main.cpp: In function 'int main()': main.cpp:47:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bibel.in", "r", stdin); ^ main.cpp:48:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bibel.out", "w", stdout); ^ main.cpp:56:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &tx, &ty); ^ main.cpp:18:45: warning: 'cmin' may be used uninitialized in this function [-Wmaybe-uninitialized] int i, j, k, bitmask, new_bitmask, lim, cmin; ^~~~