This documentation is automatically generated by online-judge-tools/verification-helper
#define PROBLEM "http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ITP2_7_B"
#include "bits/stdc++.h"
using namespace std;
#include "../lib/classes/memorypool.cpp"
#include "../lib/classes/twothreetree.cpp"
signed main(){
TwoThreeTree<int> bt;
int q;
cin >> q;
for(int i = 0; i < q; ++i){
int t, x;
cin >> t >> x;
auto res = bt.lower_bound(x);
if(t == 0){
if(!(res.second && x == res.first))
bt.insert(x);
printf("%d\n", bt.size());
}
else if(t == 1){
printf("%d\n", res.second && x == res.first);
}
else{
if(res.second && x == res.first){
bt.erase(x);
}
}
}
}
Traceback (most recent call last):
File "/opt/hostedtoolcache/Python/3.9.0/x64/lib/python3.9/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
File "/opt/hostedtoolcache/Python/3.9.0/x64/lib/python3.9/site-packages/onlinejudge_verify/languages/cplusplus.py", line 193, in bundle
bundler.update(path)
File "/opt/hostedtoolcache/Python/3.9.0/x64/lib/python3.9/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 399, in update
self.update(self._resolve(pathlib.Path(included), included_from=path))
File "/opt/hostedtoolcache/Python/3.9.0/x64/lib/python3.9/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 258, in _resolve
raise BundleErrorAt(path, -1, "no such header")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: bits/stdc++.h: line -1: no such header