# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
238945 | 2020-06-13T17:00:59 Z | dolphingarlic | Balloons (CEOI11_bal) | C++14 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h> main(){int n;std::stack<std::pair<float,float>>s;scanf("%d",&n);while(n--){float x,r;scanf("%f %f",&x,&r);while(s.size()){r=std::min(r,pow(x-s.top().first,2)/s.top().second/4);if(r>s.top().second)s.pop();else break;}s.push({x,r});printf("%f\n",r);}}
Compilation message
bal.cpp:2:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main(){int n;std::stack<std::pair<float,float>>s;scanf("%d",&n);while(n--){float x,r;scanf("%f %f",&x,&r);while(s.size()){r=std::min(r,pow(x-s.top().first,2)/s.top().second/4);if(r>s.top().second)s.pop();else break;}s.push({x,r});printf("%f\n",r);}} ^ bal.cpp: In function 'int main()': bal.cpp:2:175: error: no matching function for call to 'min(float&, double)' main(){int n;std::stack<std::pair<float,float>>s;scanf("%d",&n);while(n--){float x,r;scanf("%f %f",&x,&r);while(s.size()){r=std::min(r,pow(x-s.top().first,2)/s.top().second/4);if(r>s.top().second)s.pop();else break;}s.push({x,r});printf("%f\n",r);}} ^ In file included from /usr/include/c++/7/bits/char_traits.h:39:0, from /usr/include/c++/7/ios:40, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from bal.cpp:1: /usr/include/c++/7/bits/stl_algobase.h:195:5: note: candidate: template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&) min(const _Tp& __a, const _Tp& __b) ^~~ /usr/include/c++/7/bits/stl_algobase.h:195:5: note: template argument deduction/substitution failed: bal.cpp:2:175: note: deduced conflicting types for parameter 'const _Tp' ('float' and 'double') main(){int n;std::stack<std::pair<float,float>>s;scanf("%d",&n);while(n--){float x,r;scanf("%f %f",&x,&r);while(s.size()){r=std::min(r,pow(x-s.top().first,2)/s.top().second/4);if(r>s.top().second)s.pop();else break;}s.push({x,r});printf("%f\n",r);}} ^ In file included from /usr/include/c++/7/bits/char_traits.h:39:0, from /usr/include/c++/7/ios:40, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from bal.cpp:1: /usr/include/c++/7/bits/stl_algobase.h:243:5: note: candidate: template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) min(const _Tp& __a, const _Tp& __b, _Compare __comp) ^~~ /usr/include/c++/7/bits/stl_algobase.h:243:5: note: template argument deduction/substitution failed: bal.cpp:2:175: note: deduced conflicting types for parameter 'const _Tp' ('float' and 'double') main(){int n;std::stack<std::pair<float,float>>s;scanf("%d",&n);while(n--){float x,r;scanf("%f %f",&x,&r);while(s.size()){r=std::min(r,pow(x-s.top().first,2)/s.top().second/4);if(r>s.top().second)s.pop();else break;}s.push({x,r});printf("%f\n",r);}} ^ In file included from /usr/include/c++/7/algorithm:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65, from bal.cpp:1: /usr/include/c++/7/bits/stl_algo.h:3450:5: note: candidate: template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>) min(initializer_list<_Tp> __l) ^~~ /usr/include/c++/7/bits/stl_algo.h:3450:5: note: template argument deduction/substitution failed: bal.cpp:2:175: note: mismatched types 'std::initializer_list<_Tp>' and 'float' main(){int n;std::stack<std::pair<float,float>>s;scanf("%d",&n);while(n--){float x,r;scanf("%f %f",&x,&r);while(s.size()){r=std::min(r,pow(x-s.top().first,2)/s.top().second/4);if(r>s.top().second)s.pop();else break;}s.push({x,r});printf("%f\n",r);}} ^ In file included from /usr/include/c++/7/algorithm:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65, from bal.cpp:1: /usr/include/c++/7/bits/stl_algo.h:3456:5: note: candidate: template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare) min(initializer_list<_Tp> __l, _Compare __comp) ^~~ /usr/include/c++/7/bits/stl_algo.h:3456:5: note: template argument deduction/substitution failed: bal.cpp:2:175: note: mismatched types 'std::initializer_list<_Tp>' and 'float' main(){int n;std::stack<std::pair<float,float>>s;scanf("%d",&n);while(n--){float x,r;scanf("%f %f",&x,&r);while(s.size()){r=std::min(r,pow(x-s.top().first,2)/s.top().second/4);if(r>s.top().second)s.pop();else break;}s.push({x,r});printf("%f\n",r);}} ^ bal.cpp:2:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] main(){int n;std::stack<std::pair<float,float>>s;scanf("%d",&n);while(n--){float x,r;scanf("%f %f",&x,&r);while(s.size()){r=std::min(r,pow(x-s.top().first,2)/s.top().second/4);if(r>s.top().second)s.pop();else break;}s.push({x,r});printf("%f\n",r);}} ~~~~~^~~~~~~~~ bal.cpp:2:91: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] main(){int n;std::stack<std::pair<float,float>>s;scanf("%d",&n);while(n--){float x,r;scanf("%f %f",&x,&r);while(s.size()){r=std::min(r,pow(x-s.top().first,2)/s.top().second/4);if(r>s.top().second)s.pop();else break;}s.push({x,r});printf("%f\n",r);}} ~~~~~^~~~~~~~~~~~~~~