crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:22:13: error: 's' was not declared in this scope
while (!s.empty()) {
^
crocodile.cpp:23:16: error: no match for 'operator*' (operand type is 'const value_type {aka const std::pair<int, int>}')
pi x = *pq.top();
^~~~~~~~~
In file included from /usr/include/c++/7/ccomplex:39:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from crocodile.cpp:4:
/usr/include/c++/7/complex:386:5: note: candidate: template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const std::complex<_Tp>&)
operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
^~~~~~~~
/usr/include/c++/7/complex:386:5: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: 'const value_type {aka const std::pair<int, int>}' is not derived from 'const std::complex<_Tp>'
pi x = *pq.top();
^
In file included from /usr/include/c++/7/ccomplex:39:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from crocodile.cpp:4:
/usr/include/c++/7/complex:395:5: note: candidate: template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const _Tp&)
operator*(const complex<_Tp>& __x, const _Tp& __y)
^~~~~~~~
/usr/include/c++/7/complex:395:5: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: 'const value_type {aka const std::pair<int, int>}' is not derived from 'const std::complex<_Tp>'
pi x = *pq.top();
^
In file included from /usr/include/c++/7/ccomplex:39:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from crocodile.cpp:4:
/usr/include/c++/7/complex:404:5: note: candidate: template<class _Tp> std::complex<_Tp> std::operator*(const _Tp&, const std::complex<_Tp>&)
operator*(const _Tp& __x, const complex<_Tp>& __y)
^~~~~~~~
/usr/include/c++/7/complex:404:5: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: candidate expects 2 arguments, 1 provided
pi x = *pq.top();
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from crocodile.cpp:4:
/usr/include/c++/7/bits/valarray_after.h:404:5: note: candidate: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__multiplies, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
^
/usr/include/c++/7/bits/valarray_after.h:404:5: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: 'const value_type {aka const std::pair<int, int>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
pi x = *pq.top();
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from crocodile.cpp:4:
/usr/include/c++/7/bits/valarray_after.h:404:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__multiplies, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
_DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
^
/usr/include/c++/7/bits/valarray_after.h:404:5: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: 'const value_type {aka const std::pair<int, int>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
pi x = *pq.top();
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from crocodile.cpp:4:
/usr/include/c++/7/bits/valarray_after.h:404:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__multiplies, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
^
/usr/include/c++/7/bits/valarray_after.h:404:5: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: candidate expects 2 arguments, 1 provided
pi x = *pq.top();
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from crocodile.cpp:4:
/usr/include/c++/7/bits/valarray_after.h:404:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__multiplies, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
^
/usr/include/c++/7/bits/valarray_after.h:404:5: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: 'const value_type {aka const std::pair<int, int>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
pi x = *pq.top();
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from crocodile.cpp:4:
/usr/include/c++/7/bits/valarray_after.h:404:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__multiplies, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
^
/usr/include/c++/7/bits/valarray_after.h:404:5: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: candidate expects 2 arguments, 1 provided
pi x = *pq.top();
^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
from crocodile.cpp:4:
/usr/include/c++/7/valarray:1174:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__multiplies, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__multiplies, _Tp>::result_type> std::operator*(const std::valarray<_Tp>&, const std::valarray<_Tp>&)
_DEFINE_BINARY_OPERATOR(*, __multiplies)
^
/usr/include/c++/7/valarray:1174:1: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: 'const value_type {aka const std::pair<int, int>}' is not derived from 'const std::valarray<_Tp>'
pi x = *pq.top();
^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
from crocodile.cpp:4:
/usr/include/c++/7/valarray:1174:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__multiplies, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__multiplies, _Tp>::result_type> std::operator*(const std::valarray<_Tp>&, const _Tp&)
_DEFINE_BINARY_OPERATOR(*, __multiplies)
^
/usr/include/c++/7/valarray:1174:1: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: 'const value_type {aka const std::pair<int, int>}' is not derived from 'const std::valarray<_Tp>'
pi x = *pq.top();
^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
from crocodile.cpp:4:
/usr/include/c++/7/valarray:1174:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__multiplies, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__multiplies, _Tp>::result_type> std::operator*(const _Tp&, const std::valarray<_Tp>&)
_DEFINE_BINARY_OPERATOR(*, __multiplies)
^
/usr/include/c++/7/valarray:1174:1: note: template argument deduction/substitution failed:
crocodile.cpp:23:24: note: candidate expects 2 arguments, 1 provided
pi x = *pq.top();
^
crocodile.cpp:32:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i=0; i<graph[x.second].size(); i++) {
~^~~~~~~~~~~~~~~~~~~~~~~