제출 #789824

#제출 시각아이디문제언어결과실행 시간메모리
789824ezzzayArranging Shoes (IOI19_shoes)C++14
컴파일 에러
0 ms0 KiB
#include "shoes.h" long long count_swaps(std::vector<int> s) { int k=0; for(int i=0;i<s.size();i+=2){ //tuhain index dr bhgu bol if(s[i]>0){ int j; for(j=i+1;j<s.size();j++){ if(s[j]<0)break; } swap(s[i],s[j]); k+=j-i; } } return k; }

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:5:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 |  for(int i=0;i<s.size();i+=2){
      |              ~^~~~~~~~~
shoes.cpp:9:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |          for(j=i+1;j<s.size();j++){
      |                    ~^~~~~~~~~
shoes.cpp:12:10: error: 'swap' was not declared in this scope
   12 |          swap(s[i],s[j]);
      |          ^~~~
shoes.cpp:12:10: note: suggested alternatives:
In file included from /usr/include/c++/10/vector:68,
                 from shoes.h:5,
                 from shoes.cpp:1:
/usr/include/c++/10/bits/stl_bvector.h:134:3: note:   'std::swap'
  134 |   swap(bool& __x, _Bit_reference __y) noexcept
      |   ^~~~
In file included from /usr/include/c++/10/bits/stl_pair.h:59,
                 from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/vector:60,
                 from shoes.h:5,
                 from shoes.cpp:1:
/usr/include/c++/10/bits/move.h:189:5: note:   'std::swap'
  189 |     swap(_Tp& __a, _Tp& __b)
      |     ^~~~
In file included from /usr/include/c++/10/exception:147,
                 from /usr/include/c++/10/new:41,
                 from /usr/include/c++/10/ext/new_allocator.h:33,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33,
                 from /usr/include/c++/10/bits/allocator.h:46,
                 from /usr/include/c++/10/vector:64,
                 from shoes.h:5,
                 from shoes.cpp:1:
/usr/include/c++/10/bits/exception_ptr.h:169:5: note:   'std::__exception_ptr::swap'
  169 |     swap(exception_ptr& __lhs, exception_ptr& __rhs)
      |     ^~~~