Submission #990472

#TimeUsernameProblemLanguageResultExecution timeMemory
990472SN0WM4NCommuter Pass (JOI18_commuter_pass)C++14
Compilation error
0 ms0 KiB
VIM cat A.cpp #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define sort undefined_function // To use stable_sort instead sort #define bpc __builtin_popcount #define ull unsigned long long #define ld double #define ll long long #define mp make_pair #define F first #define S second #pragma GCC optimize("O3") #ifdef LOCAL #include "debug.h" #else #define dbg(...) 0 #endif using namespace __gnu_pbds; using namespace std; typedef tree<long long, null_type, less_equal<long long>, rb_tree_tag, tree_order_statistics_node_update> Tree; const ll INF = 9223372036854775807LL; const ll inf = 2147483647; const ll MOD = 1e9 + 7; //[998244353, 1e9 + 7, 1e9 + 13] const ld PI = acos(-1); const ll NROOT = 500; ll binpow(ll a, ll b, ll _MOD = -1) { if (_MOD == -1) _MOD = MOD; ll res = 1; for (; b; b /= 2, a *= a, a %= _MOD) if (b & 1) res *= a, res %= _MOD; return res; } void set_IO(string s) { #ifndef LOCAL string in = s + ".in"; string out = s + ".out"; freopen(in.c_str(), "r", stdin); freopen(out.c_str(), "w", stdout); #endif } bool dataOverflow(ll a, ll b) {return (log10(a) + log10(b) >= 18);} ll gcd(ll a, ll b) {return b ? gcd(b, a % b) : a;} ll lcm(ll a, ll b) {return a * b / gcd(a, b);} ll ceil(ll a, ll b) {return (a + b - 1) / b;} ll invmod(ll a) {return binpow(a, MOD - 2);} #define int long long int n, m; vector<vector<pair<int, ll>>> g; int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n >> m; g.resize(n + 1); int s, t, u, v; cin >> s >> t >> u >> v; vector<pair<pair<int, int>, ll>> edges; map<pair<int, int>, int> ID, old; for (int i = 1; i <= m; i ++) { int a, b; ll c; cin >> a >> b >> c; ID[{b, a}] = ID[{a, b}] = edges.size(); old[{b, a}] = old[{a, b}] = c; edges.push_back({{a, b}, c}); g[a].push_back({b, c}); g[b].push_back({a, c}); } using T = pair<ll, int>; priority_queue<T, vector<T>, greater<T>> q; q.push({0, s}); vector<ll> dis(n + 1, INF); while (!q.empty()) { auto [d, x] = q.top(); q.pop(); if (dis[x] <= d) continue; dis[x] = d; for (auto &y : g[x]) q.push({d + y.S, y.F}); } vector<bool> vis(n + 1); q.push({dis[t], t}); while (!q.empty()) { auto [d, x] = q.top(); q.pop(); if (vis[x]) continue; vis[x] = 1; for (auto &y : g[x]) { if (dis[y.F] + y.S == dis[x]) { q.push({dis[y.F], y.F}); edges[ID[{x, y.F}]].S = 0; } } } vector<vector<int>> g1(n + 1), g2(n + 1); vector<int> in1(n + 1), in2(n + 1); for (auto &x : edges) { auto [a, b] = x.F; ll c = x.S; if (c == 0) { dbg(a, b); if (dis[a] < dis[b]) { g1[a].push_back(b); g2[b].push_back(a); in1[b] ++; in2[a] ++; } else { g1[b].push_back(a); g2[a].push_back(b); in1[a] ++; in2[b] ++; } } } vector<ll> disU(n + 1, INF), disV(n + 1, INF); vector<ll> ans1(n + 1, INF), ans2(n + 1, INF); q.push({0, u}); while (!q.empty()) { auto [d, x] = q.top(); q.pop(); if (disU[x] <= d) continue; disU[x] = d; for (auto &y : g[x]) q.push({d + y.S, y.F}); } q.push({0, v}); while (!q.empty()) { auto [d, x] = q.top(); q.pop(); if (disV[x] <= d) continue; disV[x] = d; for (auto &y : g[x]) q.push({d + y.S, y.F}); } queue<T> que; que.push({s, disV[s]}); que.push({t, disV[t]}); while (!que.empty()) { auto [x, d] = que.front(); que.pop(); d = min(d, disV[x]); ans1[x] = min(ans1[x], d); for (auto &y : g1[x]) { in1[y] --; ans1[y] = min(ans1[y], d); if (in1[y] == 0) que.push({y, d}); } } que.push({s, disV[s]}); que.push({t, disV[t]}); while (!que.empty()) { auto [x, d] = que.front(); que.pop(); d = min(d, disV[x]); ans2[x] = min(ans2[x], d); for (auto &y : g2[x]) { in2[y] --; ans2[y] = min(ans2[y], d); if (in2[y] == 0) que.push({y, d}); } } dbg(ans1, ans2); int ans = disU[v]; for (int i = 1; i <= n; i ++) { if (ans1[i] != INF) { ans = min(ans, ans1[i] + disU[i]); dbg(ans, ans1[i], disU[i]); } if (ans2[i] != INF) { ans = min(ans, disU[i] + ans2[i]); dbg(ans, ans2[i], disU[i]); } } cout << ans << "\n"; cout << ans << "\n"; return 0; }

Compilation message (stderr)

commuter_pass.cpp:1:2: error: 'VIM' does not name a type
    1 |  VIM cat A.cpp
      |  ^~~
In file included from /usr/include/c++/10/cmath:43,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/ext/type_traits.h:162:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of entity
  162 |   __is_null_pointer(std::nullptr_t)
      |                                   ^
/usr/include/c++/10/ext/type_traits.h:157:5: note: previous declaration 'template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)'
  157 |     __is_null_pointer(_Type)
      |     ^~~~~~~~~~~~~~~~~
/usr/include/c++/10/ext/type_traits.h:162:26: error: 'nullptr_t' is not a member of 'std'
  162 |   __is_null_pointer(std::nullptr_t)
      |                          ^~~~~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
                 from /usr/include/c++/10/exception:147,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/new:126:26: error: declaration of 'operator new' as non-function
  126 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                          ^~~~~~~~
/usr/include/c++/10/new:126:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
  126 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                                            ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
                 from /usr/include/c++/10/exception:147,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/new:127:41: error: attributes after parenthesized initializer ignored [-fpermissive]
  127 |   __attribute__((__externally_visible__));
      |                                         ^
/usr/include/c++/10/new:128:26: error: declaration of 'operator new []' as non-function
  128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                          ^~~~~~~~
/usr/include/c++/10/new:128:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
  128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                                              ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
                 from /usr/include/c++/10/exception:147,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/new:129:41: error: attributes after parenthesized initializer ignored [-fpermissive]
  129 |   __attribute__((__externally_visible__));
      |                                         ^
/usr/include/c++/10/new:135:34: error: 'std::size_t' has not been declared
  135 | void operator delete(void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
      |                                  ^~~~~~
/usr/include/c++/10/new:137:36: error: 'std::size_t' has not been declared
  137 | void operator delete[](void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
      |                                    ^~~~~~
/usr/include/c++/10/new:140:26: error: declaration of 'operator new' as non-function
  140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                          ^~~~~~~~
/usr/include/c++/10/new:140:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
  140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                            ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
                 from /usr/include/c++/10/exception:147,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/new:140:52: error: expected primary-expression before 'const'
  140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                                    ^~~~~
/usr/include/c++/10/new:142:26: error: declaration of 'operator new []' as non-function
  142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                          ^~~~~~~~
/usr/include/c++/10/new:142:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
  142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                              ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
                 from /usr/include/c++/10/exception:147,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/new:142:54: error: expected primary-expression before 'const'
  142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                                      ^~~~~
/usr/include/c++/10/new:174:33: error: declaration of 'operator new' as non-function
  174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                 ^~~~~~~~
/usr/include/c++/10/new:174:51: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
  174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                   ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
                 from /usr/include/c++/10/exception:147,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/new:174:59: error: expected primary-expression before 'void'
  174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                           ^~~~
/usr/include/c++/10/new:176:33: error: declaration of 'operator new []' as non-function
  176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                 ^~~~~~~~
/usr/include/c++/10/new:176:53: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
  176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                     ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
                 from /usr/include/c++/10/exception:147,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/new:176:61: error: expected primary-expression before 'void'
  176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                             ^~~~
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/nested_exception.h:40,
                 from /usr/include/c++/10/exception:148,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/type_traits:402:31: error: 'std::size_t' has not been declared
  402 |   template<typename _Tp, std::size_t _Size>
      |                               ^~~~~~
/usr/include/c++/10/type_traits:403:25: error: '_Size' was not declared in this scope
  403 |     struct is_array<_Tp[_Size]>
      |                         ^~~~~
/usr/include/c++/10/type_traits:403:31: error: template argument 1 is invalid
  403 |     struct is_array<_Tp[_Size]>
      |                               ^
/usr/include/c++/10/type_traits:508:42: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
  508 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                          ^~~~~~~~~
In file included from /usr/include/c++/10/cstddef:50,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:433:29: note: 'nullptr_t' declared here
  433 |   typedef decltype(nullptr) nullptr_t;
      |                             ^~~~~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/nested_exception.h:40,
                 from /usr/include/c++/10/exception:148,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/type_traits:508:42: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
  508 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                          ^~~~~~~~~
In file included from /usr/include/c++/10/cstddef:50,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:433:29: note: 'nullptr_t' declared here
  433 |   typedef decltype(nullptr) nullptr_t;
      |                             ^~~~~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/nested_exception.h:40,
                 from /usr/include/c++/10/exception:148,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/type_traits:508:51: error: template argument 1 is invalid
  508 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                                   ^
/usr/include/c++/10/type_traits:1351:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
 1351 |     : public integral_constant<std::size_t, alignof(_Tp)>
      |                                     ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/nested_exception.h:40,
                 from /usr/include/c++/10/exception:148,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/type_traits:1351:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
 1351 |     : public integral_constant<std::size_t, alignof(_Tp)>
      |                                     ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/nested_exception.h:40,
                 from /usr/include/c++/10/exception:148,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2:
/usr/include/c++/10/type_traits:1351:57: error: template argument 1 is invalid
 1351 |     : public integral_constant<std::size_t, alignof(_Tp)>
      |                                                         ^
/usr/include/c++/10/type_traits:1351:57: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1360:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
 1360 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from commuter_pass.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/nested_exception.h:40,
                 from /usr/include/c++/10/exception:148,
                 from /usr/include/c++/10/ios:39,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from commuter_pass.cpp:2: