Compilare: user.cpp: In function ‘int main()’: user.cpp:86:12: warning: unused variable ‘nr1’ [-Wunused-variable] double nr1, nr2; ^ user.cpp:64:7: warning: unused variable ‘stateIdx’ [-Wunused-variable] int stateIdx = 0; ^ user.cpp:17:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFin, "%d", &tests); ^ user.cpp:21:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFin, "%d %d %d", &n, &k, &m); ^ user.cpp:27:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFin, "%d", &nr); ^ user.cpp:36:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFin, "%lf", &nr); ^ user.cpp:48:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFin, "%lf", &nr); ^ user.cpp:58:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFin, "%lf", &nr); ^