Submission #495279

#	Time	Username	Problem	Language	Result	Execution time	Memory
495279		Ierus	Gift (IZhO18_nicegift)	C++17	Compilation error	0 ms	0 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

nicegift

#include<bits/stdc++.h> /* #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; */ using namespace std; #pragma GCC optimize ("unroll-loops,Ofast,O3") #pragma GCC target("avx,avx2,fma") #define F first #define S second #define int long long #define sz(x) (int)x.size() #define pb push_back #define eb emplace_back #define all(x) (x).begin(),(x).end() #define rall(x) (x).rbegin(),(x).rend() #define NFS ios_base::sync_with_stdio(0) , cin.tie(0) , cout.tie(0) ; #define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout) //#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> typedef long long ll; const int E = 1e6+777; const long long inf = 1e18+777; const int N = 1e5+777; const int MOD = 1e9+7; int n, m; pair<int,int> a[E]; set<pair<int,int>> st; vector<pair<int,int>> res; signed main(){auto solve=[&](){ cin >> n >> m; for(int i = 1; i <= n; ++i){ cin >> a[i].F, a[i].S = i; if(a[i].F > 0){ st.insert(a[i]); } } // cerr << "ST\n"; // for(auto it : st){ // cerr << it.F << ' ' << it.S << '\n'; // } // cerr << '\n'; while(sz(st) > 1){ auto[val1, pos1] = *(--st.end()); auto[val2, pos2] = *--(--st.end()); st.erase({val1,pos1}); st.erase({val2,pos2}); // cerr << "v1: " << val1 << " p1: " << pos1 << " v2: " << val2 << " p2: " << pos2 << '\n'; val1--,val2--; if(val1 > 0) st.insert({val1,pos1}); if(val2 > 0) st.insert({val2,pos2}); res.pb({pos1,pos2}); } if(sz(st) >= 1){ cout << -1; }else{ cerr << sz(res) << '\n'; for(auto v : res){ cout << 1 << ' '; for(auto it : v) cout << it << ' '; cout << '\n'; } } };NFS;solve();}

Compilation message (stderr)

nicegift.cpp: In lambda function:
nicegift.cpp:60:18: error: no matching function for call to 'begin(std::pair<long long int, long long int>&)'
   60 |    for(auto it : v)
      |                  ^
In file included from /usr/include/c++/10/bits/range_access.h:36,
                 from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 nicegift.cpp:1:
/usr/include/c++/10/initializer_list:90:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::begin(std::initializer_list<_Tp>)'
   90 |     begin(initializer_list<_Tp> __ils) noexcept
      |     ^~~~~
/usr/include/c++/10/initializer_list:90:5: note:   template argument deduction/substitution failed:
nicegift.cpp:60:18: note:   'std::pair<long long int, long long int>' is not derived from 'std::initializer_list<_Tp>'
   60 |    for(auto it : v)
      |                  ^
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 nicegift.cpp:1:
/usr/include/c++/10/bits/range_access.h:51:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&)'
   51 |     begin(_Container& __cont) -> decltype(__cont.begin())
      |     ^~~~~
/usr/include/c++/10/bits/range_access.h:51:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&) [with _Container = std::pair<long long int, long long int>]':
nicegift.cpp:60:18:   required from here
/usr/include/c++/10/bits/range_access.h:51:50: error: 'struct std::pair<long long int, long long int>' has no member named 'begin'
   51 |     begin(_Container& __cont) -> decltype(__cont.begin())
      |                                           ~~~~~~~^~~~~
/usr/include/c++/10/bits/range_access.h:61:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&)'
   61 |     begin(const _Container& __cont) -> decltype(__cont.begin())
      |     ^~~~~
/usr/include/c++/10/bits/range_access.h:61:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&) [with _Container = std::pair<long long int, long long int>]':
nicegift.cpp:60:18:   required from here
/usr/include/c++/10/bits/range_access.h:61:56: error: 'const struct std::pair<long long int, long long int>' has no member named 'begin'
   61 |     begin(const _Container& __cont) -> decltype(__cont.begin())
      |                                                 ~~~~~~~^~~~~
/usr/include/c++/10/bits/range_access.h:90:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::begin(_Tp (&)[_Nm])'
   90 |     begin(_Tp (&__arr)[_Nm])
      |     ^~~~~
/usr/include/c++/10/bits/range_access.h:90:5: note:   template argument deduction/substitution failed:
nicegift.cpp:60:18: note:   mismatched types '_Tp [_Nm]' and 'std::pair<long long int, long long int>'
   60 |    for(auto it : v)
      |                  ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from nicegift.cpp:1:
/usr/include/c++/10/valarray:1214:5: note: candidate: 'template<class _Tp> _Tp* std::begin(std::valarray<_Tp>&)'
 1214 |     begin(valarray<_Tp>& __va)
      |     ^~~~~
/usr/include/c++/10/valarray:1214:5: note:   template argument deduction/substitution failed:
nicegift.cpp:60:18: note:   'std::pair<long long int, long long int>' is not derived from 'std::valarray<_Tp>'
   60 |    for(auto it : v)
      |                  ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from nicegift.cpp:1:
/usr/include/c++/10/valarray:1224:5: note: candidate: 'template<class _Tp> const _Tp* std::begin(const std::valarray<_Tp>&)'
 1224 |     begin(const valarray<_Tp>& __va)
      |     ^~~~~
/usr/include/c++/10/valarray:1224:5: note:   template argument deduction/substitution failed:
nicegift.cpp:60:18: note:   'std::pair<long long int, long long int>' is not derived from 'const std::valarray<_Tp>'
   60 |    for(auto it : v)
      |                  ^
nicegift.cpp:60:18: error: no matching function for call to 'end(std::pair<long long int, long long int>&)'
In file included from /usr/include/c++/10/bits/range_access.h:36,
                 from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 nicegift.cpp:1:
/usr/include/c++/10/initializer_list:101:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)'
  101 |     end(initializer_list<_Tp> __ils) noexcept
      |     ^~~
/usr/include/c++/10/initializer_list:101:5: note:   template argument deduction/substitution failed:
nicegift.cpp:60:18: note:   'std::pair<long long int, long long int>' is not derived from 'std::initializer_list<_Tp>'
   60 |    for(auto it : v)
      |                  ^
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 nicegift.cpp:1:
/usr/include/c++/10/bits/range_access.h:71:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&)'
   71 |     end(_Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/10/bits/range_access.h:71:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&) [with _Container = std::pair<long long int, long long int>]':
nicegift.cpp:60:18:   required from here
/usr/include/c++/10/bits/range_access.h:71:48: error: 'struct std::pair<long long int, long long int>' has no member named 'end'
   71 |     end(_Container& __cont) -> decltype(__cont.end())
      |                                         ~~~~~~~^~~
/usr/include/c++/10/bits/range_access.h:81:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&)'
   81 |     end(const _Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/10/bits/range_access.h:81:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&) [with _Container = std::pair<long long int, long long int>]':
nicegift.cpp:60:18:   required from here
/usr/include/c++/10/bits/range_access.h:81:54: error: 'const struct std::pair<long long int, long long int>' has no member named 'end'
   81 |     end(const _Container& __cont) -> decltype(__cont.end())
      |                                               ~~~~~~~^~~
/usr/include/c++/10/bits/range_access.h:100:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::end(_Tp (&)[_Nm])'
  100 |     end(_Tp (&__arr)[_Nm])
      |     ^~~
/usr/include/c++/10/bits/range_access.h:100:5: note:   template argument deduction/substitution failed:
nicegift.cpp:60:18: note:   mismatched types '_Tp [_Nm]' and 'std::pair<long long int, long long int>'
   60 |    for(auto it : v)
      |                  ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from nicegift.cpp:1:
/usr/include/c++/10/valarray:1234:5: note: candidate: 'template<class _Tp> _Tp* std::end(std::valarray<_Tp>&)'
 1234 |     end(valarray<_Tp>& __va)
      |     ^~~
/usr/include/c++/10/valarray:1234:5: note:   template argument deduction/substitution failed:
nicegift.cpp:60:18: note:   'std::pair<long long int, long long int>' is not derived from 'std::valarray<_Tp>'
   60 |    for(auto it : v)
      |                  ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from nicegift.cpp:1:
/usr/include/c++/10/valarray:1244:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const std::valarray<_Tp>&)'
 1244 |     end(const valarray<_Tp>& __va)
      |     ^~~
/usr/include/c++/10/valarray:1244:5: note:   template argument deduction/substitution failed:
nicegift.cpp:60:18: note:   'std::pair<long long int, long long int>' is not derived from 'const std::valarray<_Tp>'
   60 |    for(auto it : v)
      |                  ^