Compilare: user.cpp: In function ‘int main()’: user.cpp:118:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < finalpas.size(); i++) ^ user.cpp:30:51: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] std::fscanf(in, "%i %i %i %i", &n, &m, &x, &y); ^ user.cpp:50:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] std::fscanf(in, "%i %i", &a, &b); ^