Compilare: user.cpp: In function ‘int main()’: user.cpp:68:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i < search_m.size(); i++) ^ user.cpp:79:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i < search_d.size(); i++) ^ user.cpp:86:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < answer_m.size(); i++) ^ user.cpp:112:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < answer_d.size(); i++) ^ user.cpp:23:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1, "%d%d", &k, &n); ^ user.cpp:26:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1, "%d%d", &a, &b); ^ user.cpp:39:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1, "%d", &m); ^ user.cpp:42:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1, "%d%d", &a, &b); ^