Submission #120928

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
120928	2019-06-25T18:21:18 Z	Runtime_error_	Crocodile's Underground City (IOI11_crocodile)	C++14	Compilation error	0 ms	0 KB

crocodile

#include <vector>
#include <queue>
#include <utility>
#include <bits/stdc++.h>
#include "crocodile.h"
using namespace std;
typedef pair<int,int> pi;
 
int v0[100005], v1[100005];
priority_queue<pi,vector<pi>,greater<pi> > pq;
vector<pi> graph[100005];
 
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]){
    for (int i=0; i<M; i++) {
        graph[R[i][0]].push_back(pi(L[i],R[i][1]));
        graph[R[i][1]].push_back(pi(L[i],R[i][0]));
    }
    for (int i=0; i<K; i++) {
        v0[P[i]] = 1;
        pq.push(pi(0,P[i]));
    }
    while (!pq.empty()) {
        pi x = *pq.top();
      	pq.pop();
        if(v0[x.second] == 0){
            v0[x.second] = 1;
            continue;
        }
        if(v1[x.second]) continue;
        v1[x.second] = 1;
        if(x.second == 0) return x.first;
        for (int i=0; i<graph[x.second].size(); i++) {
            pi t = graph[x.second][i];
            if(v1[t.second]) continue;
            pq.push(pi(t.first+x.first,t.second));
        }
    }
    return -1;
}

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
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++) {
                       ~^~~~~~~~~~~~~~~~~~~~~~~