Compilare: user.cpp: In function ‘void buildBounds()’: user.cpp:66:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < bfsOrder.size(); i++) { ^ user.cpp: In function ‘void afisare()’: user.cpp:93:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < crt->virus.size(); j++) ^ user.cpp: In function ‘void read(short int*, int)’: user.cpp:33:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (scanf("%c", &crt); crt == '\n'; scanf("%c", &crt)); ^ user.cpp:33:5: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (scanf("%c", &crt); crt == '\n'; scanf("%c", &crt)); ^ user.cpp:36:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c", &crt); ^ user.cpp: In function ‘int main()’: user.cpp:103:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("virus.in", "r", stdin); ^ user.cpp:104:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("virus.out", "w", stdout); ^ user.cpp:106:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ user.cpp:110:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &k); ^