Algorithm

This documentation is automatically generated by online-judge-tools/verification-helper

View the Project on GitHub yosupo06/Algorithm

:heavy_check_mark: src/hashset_hashmap.test.cpp

Depends on

Code

#define PROBLEM "https://judge.yosupo.jp/problem/associative_array"

#include "base.hpp"
#include "util/fast_io.hpp"
#include "datastructure/hashset.hpp"
#include "datastructure/hashmap.hpp"

int main() {
    Scanner sc(stdin);
    Printer pr(stdout);

    int q;
    sc.read(q);
    HashSet<ll> st;
    HashMap<ll, ll> mp;

    for (int ph = 0; ph < q; ph++) {
        int ty;
        sc.read(ty);
        if (ty == 0) {
            ll k, v;
            sc.read(k, v);
            if (v == 0) {
                st.erase(k);
                mp.remove(k);
            } else {
                st.insert(k);
                mp.set(k, v);
            }
        } else {
            ll k;
            sc.read(k);
            ll u = mp.get(k);
            assert(st.count(k) == (u != 0));
            pr.writeln(u);
        }
    }
    return 0;
}
Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.10.1/x64/lib/python3.10/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/3.10.1/x64/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
  File "/opt/hostedtoolcache/Python/3.10.1/x64/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
  File "/opt/hostedtoolcache/Python/3.10.1/x64/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
  File "/opt/hostedtoolcache/Python/3.10.1/x64/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 260, in _resolve
    raise BundleErrorAt(path, -1, "no such header")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: util/hash.hpp: line -1: no such header
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