Submission #1155319

#	Time	Username	Problem	Language	Result	Execution time	Memory
1155319		onbert	Lockpicking (IOI23_lockpicking)	C++20	Compilation error	0 ms	0 KiB

lockpicking

#include <bits/stdc++.h>
using namespace std;
void construct_card(int N, std::vector<int> A, std::vector<std::vector<int>> S);
void define_states(int M, std::vector<int> B, std::vector<std::vector<int>> T, int j0);

const int maxm = 5e4 + 5;
vector<vector<int>> ans(maxm, vector<int>(2, -1));

void construct_card(int n, std::vector<int> A, std::vector<std::vector<int>> S) {
	int p[n];
    for (int i=0;i<n;i++) p[i] = S[i][0];
    vector<int> cyc[n];
    bool vis[n];
    for (int i=0;i<n;i++) {
        int u = i;
        while (true) {
            vis[u] = true;
            cyc[i].push_back(u);
            int v = p[u];
            if (v == u) break;
        }
    }
    int cnt = -1;
    for (int i=0;i<n;i++) {
        int sz = cyc[i].size();
        cyc[i].resize(30);
        for (int j=sz;j<30;j++) cyc[i][j] = cyc[i][j%30];
        int cur = 0;
        for (int j=0;j<29;j++) {
            if (ans[cur][cyc[j]] == -1) {
                cnt++;
                ans[cur][cyc[j]] = cnt;
            }
            cur = ans[cur][cyc[j]];
        }
        ans[cur][cyc[29]] = 0;
    }
    for (int i=0;i<=m;i++) {
        if (ans[i][0] == -1) ans[i][0] = 0;
        if (ans[i][1] == -1) ans[i][1] = 0;
    }
    ans.resize(m);
    return ans;
}

Compilation message (stderr)

lockpicking.cpp: In function 'void construct_card(int, std::vector<int>, std::vector<std::vector<int> >)':
lockpicking.cpp:30:25: error: no match for 'operator[]' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} and 'std::vector<int>')
   30 |             if (ans[cur][cyc[j]] == -1) {
      |                         ^
In file included from /usr/include/c++/11/vector:67,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from lockpicking.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::reference = int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1043:28: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::const_reference = const int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1061:28: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
lockpicking.cpp:32:25: error: no match for 'operator[]' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} and 'std::vector<int>')
   32 |                 ans[cur][cyc[j]] = cnt;
      |                         ^
In file included from /usr/include/c++/11/vector:67,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from lockpicking.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::reference = int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1043:28: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::const_reference = const int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1061:28: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
lockpicking.cpp:34:27: error: no match for 'operator[]' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} and 'std::vector<int>')
   34 |             cur = ans[cur][cyc[j]];
      |                           ^
In file included from /usr/include/c++/11/vector:67,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from lockpicking.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::reference = int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1043:28: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::const_reference = const int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1061:28: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
lockpicking.cpp:36:17: error: no match for 'operator[]' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} and 'std::vector<int>')
   36 |         ans[cur][cyc[29]] = 0;
      |                 ^
In file included from /usr/include/c++/11/vector:67,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from lockpicking.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::reference = int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1043:28: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::const_reference = const int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1061:28: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
lockpicking.cpp:38:21: error: 'm' was not declared in this scope
   38 |     for (int i=0;i<=m;i++) {
      |                     ^
lockpicking.cpp:42:16: error: 'm' was not declared in this scope
   42 |     ans.resize(m);
      |                ^
lockpicking.cpp:43:12: error: return-statement with a value, in function returning 'void' [-fpermissive]
   43 |     return ans;
      |            ^~~