Vim config for NOIP

.vimrc

set nu
set rnu
set autochdir
set autoread

set cindent
filetype on
filetype indent on

set shiftwidth=4
set tabstop=4
set softtabstop=4
set expandtab

set mouse=a
set shortmess=atI
set backspace=eol,indent,start
set hlsearch
set incsearch
" set ruler
set laststatus=2
set nowrap
syntax on

inoremap {<cr> {<cr>}<esc>O

map <F5> :call CompileWithUndebug()<CR>
map <F6> :call CompileWithDebug()<CR>
map <F7> :call Compile()<CR>
map <F8> :call Run()<CR>
map <F9> :call RunShell()<CR>
map <F10> :call RunPython3()<CR>

func! CompileWithUndebug()
    exec "w"
    exec "!g++ % -o %< -lm -std=c++14 -Wall -O2 -UDEBUG"
endfunc

func! CompileWithDebug()
    exec "w"
    exec "!g++ % -o %< -lm -std=c++14 -Wall -DDEBUG -g -fsanitize=undefined"
endfunc

func! Compile()
    exec "w"
    exec "!g++ % -o %< -lm -std=c++14 -Wall -O2 -DDEBUG"
endfunc

func! Run()
    exec ":!./%<"
endfunc

func! RunShell()
    exec "w"
    exec "!sh ./%"
endfunc

func! RunPython3()
    exec "w"
    exec "!python3 ./%"
endfunc