Compilare: user.cpp:8:29: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] char litere[5] = { NULL }; ^ user.cpp:16:26: warning: converting to non-pointer type ‘int’ from NULL [-Wconversion-null] int keyMaps[40] = { NULL }; ^ user.cpp:17:26: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] char indexVal[40] { NULL }; ^ user.cpp:19:34: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] char tempLine[MAX_LINE] = { NULL }; ^ user.cpp:23:49: warning: converting to non-pointer type ‘int’ from NULL [-Wconversion-null] int instancesCount[12][12][12][12][12] = { NULL }; ^ user.cpp: In function ‘void MapKeys()’: user.cpp:42:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] keyMaps[tempLine[i]] = i; ^ user.cpp: In function ‘void Read()’: user.cpp:60:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] cuvinte[i].litere[j] = keyMaps[tempLine[j]]; ^ user.cpp:49:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &p); ^ user.cpp:50:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:51:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", &tempLine[0]); ^ user.cpp:57:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", &tempLine[0]); ^