Compilare: main.cpp: In function 'void dinamica(int)': main.cpp:16:15: warning: unused variable 'k' [-Wunused-variable] int i, j, k, bitmask, new_bitmask, lim, cmin; ^ main.cpp: In function 'int main()': main.cpp:45:36: 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:46:38: 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:55:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &tx , &ty); ^