my vim configuration

.vimrc

syntax enable
set encoding=utf8
set expandtab
set smarttab
set shiftwidth=4
set tabstop=4
set number
set belloff=all
set mouse=a
set autoindent
set clipboard=unnamed 

" execute the files using Ctrl + t
autocmd filetype cpp    nnoremap <C-t> :w <bar> !g++-12 -std=c++14 -Wall -O2 -D_GLIBCXX_DEBUG % -o %:r && ./%:r && rm ./%:r <CR>
autocmd filetype java   nnoremap <C-t> :w <bar> !javac % && java -enableassertions %:r && rm ./%:r.class <CR>
autocmd filetype python nnoremap <C-t> :w <bar> !python3 % <CR>

" competitive programming templates
" cp0: basic
" TODO: make templates for dsu, bfs, dfs, grid & adjList, and more...
autocmd BufNewFile *.cf.cpp 0r ~/.vim/templates/cpp/cf.cpp
autocmd BufNewFile *.kickstart.cpp 0r ~/.vim/templates/cpp/kickstart.cpp

autocmd vimenter * ++nested colorscheme gruvbox
set background=dark

nnoremap <leader>n :NERDTreeFocus<CR>
nnoremap <C-n> :NERDTree<CR>
nnoremap <C-e> :NERDTreeToggle<CR>
nnoremap <C-f> :NERDTreeFind<CR>