Compilare: user.cpp: In function ‘void Solve()’: user.cpp:102:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(accumulated + cells[i].intances < k) ^ user.cpp:134:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dif < distances.size()) ^ user.cpp: In function ‘void Read()’: user.cpp:68:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &p); ^ user.cpp:69:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &n, &m, &k); ^ user.cpp:75:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &tmp); ^