Compilare: user.cpp: In member function ‘bool Numbers::operator==(const Numbers&)’: user.cpp:46:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(int i = 0; i < 20; ++i) ^~~ user.cpp:49:7: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ return true; ^~~~~~ user.cpp: In function ‘int main()’: user.cpp:80:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &t); ^ user.cpp:84:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &d); ^