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This commit is contained in:
arielherself 2024-12-15 16:03:53 +08:00
parent b1cf1d46c2
commit 000946a126
Signed by: arielherself
SSH Key Fingerprint: SHA256:AK3cyo9tFsp7Mox7K0sYphleC8hReXhnRKxwuDT5LBc
4 changed files with 206 additions and 0 deletions
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13
nvim/lua/snippets/init.lua
View File

@ -417,3 +417,16 @@ ls.add_snippets(nil, {
})
}
})
local segtree_persistent = require('snippets.segtree-persistent')
ls.add_snippets(nil, {
cpp = {
snip({
trig = 'segtree_persistent',
namr = 'segtree_persistent',
dscr = 'Persistent Segment Tree',
},{
text(lines(segtree_persistent))
})
}
})

88
nvim/lua/snippets/segtree-persistent.lua Normal file
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@ -0,0 +1,88 @@
return [=[
template <typename Addable_Info> struct segtree {
using info_type = Addable_Info;
using size_type = size_t;
struct Node {
size_type lson, rson;
info_type info;
};
vector<Node> d;
vector<size_type> version_root;
size_type _max;
void _copy(size_type& virt) {
int o = virt;
virt = d.size();
d.emplace_back();
if (o != 0) d.back() = d[o];
}
explicit segtree(size_type&& _max) : d(1), _max(_max - 1) {
version_root.emplace_back(0);
}
segtree(const vector<info_type>& init) : d(1), _max(init.size() - 1) {
version_root.emplace_back(0);
auto dfs = [&] (auto dfs, size_type s, size_type t, size_type p) -> void {
if (s == t) {
d[p].info = init[s];
return;
}
int m = s + t >> 1;
_copy(d[p].lson), _copy(d[p].rson);
dfs(dfs, s, m, d[p].lson);
dfs(dfs, m + 1, t, d[p].rson);
};
dfs(dfs, 0, _max, version_root[0]);
}
void _set(size_type s, size_type t, size_type p, size_type x, const info_type& c) {
if (s == t) {
d[p].info = c;
return;
}
size_type m = s + (t - s >> 1);
if (x <= m) {
_copy(d[p].lson);
_set(s, m, d[p].lson, x, c);
} else {
_copy(d[p].rson);
_set(m + 1, t, d[p].rson, x, c);
}
d[p].info = d[d[p].lson].info + d[d[p].rson].info;
}
size_type _clone(size_type version) {
d.emplace_back(d[version_root[version]]);
version_root.emplace_back(d.size() - 1);
return version_root.size() - 1;
}
size_type set(size_type version, size_type loc, const info_type& c) {
size_type new_version = _clone(version);
_set(0, _max, version_root[new_version], loc, c);
return new_version;
}
info_type _range_query(size_type s, size_type t, size_type p, size_type l, size_type r) {
if (l <= s and t <= r) {
return d[p].info;
}
size_type m = s + (t - s >> 1);
info_type ret = {};
if (l <= m and d[p].lson != 0) {
ret = ret + _range_query(s, m, d[p].lson, l, r);
}
if (r > m and d[p].rson != 0) {
ret = ret + _range_query(m + 1, t, d[p].rson, l, r);
}
return ret;
}
info_type range_query(size_type version, size_type l, size_type r) {
return _range_query(0, _max, version_root[version], l, r);
}
info_type query(size_type version, size_type loc) {
return range_query(version, loc, loc);
}
};
struct Info {
int val = INF;
};
Info operator+(const Info& lhs, const Info& rhs) {
return { min(lhs.val, rhs.val) };
}
]=]

15
vscode/keybindings.json Normal file
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@ -0,0 +1,15 @@
// Place your key bindings in this file to override the defaults
[
{
"key": "alt+.",
"command": "workbench.action.nextEditor",
},
{
"key": "alt+,",
"command": "workbench.action.previousEditor",
},
{
"key": "alt+c",
"command": "workbench.action.closeActiveEditor",
}
]

90
vscode/settings.json Normal file
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@ -0,0 +1,90 @@
{
"editor.cursorBlinking": "solid",
"remoteHub.commitDirectlyWarning": "off",
"workbench.colorTheme": "Melange Redux: Dark",
"files.autoSave": "afterDelay",
"terminal.integrated.profiles.windows": {
"PowerShell": {
"source": "PowerShell",
"icon": "terminal-powershell"
},
"Command Prompt": {
"path": [
"${env:windir}\\Sysnative\\cmd.exe",
"${env:windir}\\System32\\cmd.exe"
],
"args": [],
"icon": "terminal-cmd"
},
"Git Bash": {
"source": "Git Bash"
},
"Ubuntu-22.04 (WSL)": {
"path": "C:\\WINDOWS\\System32\\wsl.exe",
"args": [
"-d",
"Ubuntu-22.04"
]
}
},
"terminal.integrated.defaultProfile.windows": "Command Prompt",
"git.enableSmartCommit": true,
"git.confirmSync": false,
"git.autofetch": true,
// "http.proxy": "socks5://127.0.0.1:7890",
"editor.accessibilitySupport": "off",
"editor.autoClosingOvertype": "always",
"editor.fontFamily": "'BerkeleyMono Nerd Font', 'FiraCode Nerd Font', Consolas, 'Courier New', monospace",
"editor.wordWrap": "on",
"editor.lineNumbers": "relative",
"terminal.integrated.fontLigatures": true,
"editor.fontLigatures": true,
"vim.normalModeKeyBindings": [
{
"before": [ "<leader>", "o" ],
"commands": [ "workbench.action.files.openFile" ]
},
{
"before": [ "<leader>", "s" ],
"commands": [ "workbench.action.showAllSymbols" ]
},
{
"before": [ "<leader>", "g" ],
"commands": [ "livegrep.search" ]
},
{
"before": [ "<leader>", "c", "c" ],
"commands": [ "codesnap.start" ]
},
{
"before": [ "<leader>", "d" ],
"commands": [ "workbench.panel.markers.view.focus" ]
},
{
"before": [ "<C-a>" ],
"after": [ "g", "g", "V", "G" ]
},
{
"before": [ "<leader>", "b" ],
"commands": [
{
"command": "workbench.action.tasks.runTask",
"args": "test",
}
],
},
],
"vim.insertModeKeyBindings": [
{
"before": [ "j", "k" ],
"after": [ "<Esc>" ]
},
],
"editor.minimap.enabled": false,
"vim.useSystemClipboard": true,
"vim.leader": "<space>",
"terminal.integrated.defaultProfile.linux": "zsh",
"vim.highlightedyank.enable": true,
"vim.smartRelativeLine": true
}