Submission #532456

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
532456	2022-03-02T22:20:08 Z	definitelynotmee	Teams (CEOI11_tea)	C++	Compilation error	0 ms	0 KB

tea

#include<bits/stdc++.h>
#define mp make_pair
#define mt make_tuple
#define all(x) x.begin(), x.end()
#define ff first
#define ss second
using namespace std;
template <typename T>
using matrix = vector<vector<T>>;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll INFL = (1LL<<62)-1;
const int INF = (1<<30)-1;
const double EPS = 1e-7;
const int MOD = 1e9 + 7;
const int RANDOM = chrono::high_resolution_clock::now().time_since_epoch().count();
const int MAXN = 1e6+1;



int main(){

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;
    vector<int> v(n);
    for(int i = 0; i < n; i++)
        cin >> v[i];
    vector<int> o(n);
    iota(all(o),0);
    sort(all(o),[&](int a, int b){
        return v[a] > v[b];
    });

    matrix<int> resp;
    int start = 0;
    while(start < n){
        while(start < n && n-start>=v[o[start]]){
            resp.push_back({});
            for(int i = 0; i < v[o[start]]; i++){
                resp.back().push_back(o[i+start]);
            }
            start+=v[o[start]];
        };

        while(start < n && n-start<v[o[start]]){
            int ptr = lower_bound(all(resp),resp.back(),[&](vector<int>&a, vector<int>&b){
                return a.size() > b.size();
            })-resp.begin();
            while(start < n && n-start<v[o[start]] && ptr < resp.size()){
                resp[ptr].push_back(o[start]);
                ptr++;
                start++;
            }
        }
    }
    
    if(start < n){
        resp.push_back({});
        while(start < n)
            resp.back().push_back(o[start]), start++;
    }
    cout << resp.size() << '\n';

    int tot =0;
    for(vector<int>& i : resp){
        tot+=i.size();
    }

    for(vector<int>& i : resp){
        cout << i.size() << ' ';

        for(int j : i){

            cout << j+1 << ' ';
        }
        cout << '\n';
    }


    return 0;

}

Compilation message

tea.cpp: In function 'int main()':
tea.cpp:55:59: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int>, std::allocator<std::vector<int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |             while(start < n && n-start<v[o[start]] && ptr < resp.size()){
      |                                                       ~~~~^~~~~~~~~~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 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 tea.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<std::vector<int>*, std::vector<std::vector<int>, std::allocator<std::vector<int> > > >; _Value = const std::vector<int>; _Compare = main()::<lambda(std::vector<int>&, std::vector<int>&)>]':
/usr/include/c++/10/bits/stl_algobase.h:1324:14:   required from '_ForwardIterator std::__lower_bound(_ForwardIterator, _ForwardIterator, const _Tp&, _Compare) [with _ForwardIterator = __gnu_cxx::__normal_iterator<std::vector<int>*, std::vector<std::vector<int>, std::allocator<std::vector<int> > > >; _Tp = std::vector<int>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<main()::<lambda(std::vector<int>&, std::vector<int>&)> >]'
/usr/include/c++/10/bits/stl_algo.h:2041:32:   required from '_FIter std::lower_bound(_FIter, _FIter, const _Tp&, _Compare) [with _FIter = __gnu_cxx::__normal_iterator<std::vector<int>*, std::vector<std::vector<int>, std::allocator<std::vector<int> > > >; _Tp = std::vector<int>; _Compare = main()::<lambda(std::vector<int>&, std::vector<int>&)>]'
tea.cpp:54:14:   required from here
/usr/include/c++/10/bits/predefined_ops.h:194:23: error: no match for call to '(main()::<lambda(std::vector<int>&, std::vector<int>&)>) (std::vector<int>&, const std::vector<int>&)'
  194 |  { return bool(_M_comp(*__it, __val)); }
      |                ~~~~~~~^~~~~~~~~~~~~~
tea.cpp:52:57: note: candidate: 'main()::<lambda(std::vector<int>&, std::vector<int>&)>' (near match)
   52 |             int ptr = lower_bound(all(resp),resp.back(),[&](vector<int>&a, vector<int>&b){
      |                                                         ^
tea.cpp:52:57: note:   conversion of argument 2 would be ill-formed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 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 tea.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:194:23: error: binding reference of type 'std::vector<int>&' to 'const std::vector<int>' discards qualifiers
  194 |  { return bool(_M_comp(*__it, __val)); }
      |                ~~~~~~~^~~~~~~~~~~~~~