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Пользователь вводит строку, состоящую из 0 и 1. В ней необходимо переставить некоторые символы местами так, чтобы подстрока 00 появилась только 1 раз. Нужно вывести одно число – минимальное кол-во обменов. Если невозможно переставить символы так, чтобы получить 1 подстроку 00, то выводим -1. Пример ввода 1001 Вывод: 0 Пример ввода 0100000111 Вывод: 2 ПримерRead more

I want use SDL2 in my project. For that I need lib and include SDL2 files. I was trying to install SDL2 with apt-get install libsdl2-dev but get an errors: The following packages have unmet dependencies: libpulse-dev : Depends: libpulse0 (= 1:14.2-1ubuntu1) but 1:14.2-1ubuntu1.1 is to be installed Depends: libpulse-mainloop-glib0 (= 1:14.2-1ubuntu1) but 1:14.2-1ubuntu1.1 isRead more

I have problems installing apache2 on my ubuntu machine (virtualbox machine). I tried running sudo apt install apache2, but it tells me this: E: Could not get lock /var/lib/dpkg/lock-frontend – open (11: Resource temporarily unavailable) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it? Do you know how to fixRead more

I rlly need some help. I tried going through so many solutions. Bitlocker is off. AHCI mode. I already had ubuntu installed but I wiped its partition to install windows 10. Now I want to switch back but this error shows up. My laptop is a dell inspiron 3542 btw. Specs are intel i3_4005u@1.7ghz,intel hd4400Read more

I turned on my pc the other day and could not connect to the internet. I connect to my router via Ethernet. After some googling I tried the following but nothing worked: Pinged my router – Successful Pinged google -c 5 google.com – response: 5 packets transmitted, 0 received, 100% packet loss, time 4098ms TurnedRead more

I found some instructions to set up a samba file so windows can see my folders. These two instructions work but only for a single drive in ubuntu. I have a second drive installed in Ubuntu as sdb1 but don’t know what the path should be or what to edit the smb.config file to. IRead more

I’m trying to re-install Ubuntu 20.04 Desktop but I get this error: ubi-partman with exit code 10. Further information may be found in /var/log/syslog Here the complete /var/log/syslog file: https://drive.google.com/file/d/1t_zYEXgO2CsGojYtHJ_N7zk-vefBuWQx/view?usp=sharing Looking forward to your kind helpRead more

In the file /etc/mailcap are stored different mime file types like application/vnd.oasis.opendocument.graphics; application/vnd.oasis.opendocument.graphics-template; application/vnd.oasis.opendocument.presentation; application/vnd.oasis.opendocument.presentation-template; text/plain; application/vnd.sun.xml.draw; application/vnd.sun.xml.draw.template; application/vnd.sun.xml.impress; application/vnd.sun.xml.impress.template; audio/midi; audio/x-midi; audio/mod; application/x-troff-man; text/troff; application/x-troff-man; text/troff; text/html; application/x-troff-man; text/troff; application/x-info; audio/mpeg; application/pdf; application/x-pdf; text/pdf; text/x-pdf; image/pdf; image/x-pdf; audio/midi; audio/x-midi; audio/mod; application/x-bittorrent; text/plain; image/avs; image/bie; image/x-ms-bmp; image/cmyk; image/dcx; image/eps; image/fax; image/fits; image/gif; image/gray; image/jpeg; image/pjpeg;Read more

Просматривая стандарт POSIX наткнулся на такое объявление: #include <aio.h> int lio_listio(int mode, struct aiocb *restrict const list[restrict], int nent, struct sigevent *restrict sig); (Выделение добавлено.) Я понимаю, что значит ключевое слово restrict в общем случае, но что оно означает здесь?Read more

I’m trying to enable the MIPI-DSI (display) interface on my Rockchip RK3399 (ARM64 arch) based board and I keep encountering the same error even after trying several things with the device tree. The OS is a fork of Ubuntu Bionic. Here is the kernel. Here is the error: [ 1.195557] dw-mipi-dsi ff968000.dsi: can’t request regionRead more