#4267
PerechiPuncte
Se dau n
puncte în plan, nu neapărat distincte, fiecare punct fiind dat prin coordonatele sale (x, y)
, unde x
și y
sunt numere naturale. Spunem că două puncte (x, y)
și (i, j)
sunt simetrice dacă x = j
și y = i
. Să se determine numărul perechilor de puncte simetrice.
Folclorul informatic
Problema | PerechiPuncte | Operații I/O | tastatură/ecran |
---|---|---|---|
Limita timp | 0.7 secunde | Limita memorie |
Total: 128 MB
/
Stivă 64 MB
|
Id soluție | #48847168 | Utilizator | |
Fișier | perechipuncte.cpp | Dimensiune | 816 B |
Data încărcării | 07 Februarie 2024, 12:02 | Scor / rezultat | Eroare de compilare |
perechipuncte.cpp:7:10: error: 'int y1' redeclared as different kind of symbol int n,x1,y1,x2,y2,A,B,C,D; ^ In file included from /usr/include/features.h:374:0, from /usr/include/assert.h:35, from /usr/include/c++/4.8/cassert:43, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:33, from perechipuncte.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:241:1: error: previous declaration of 'double y1(double)' __MATHCALL (y1,, (_Mdouble_)); ^ perechipuncte.cpp: In function 'int main()': perechipuncte.cpp:12:11: error: cannot bind 'std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}' lvalue to 'std::basic_istream<char>&&' cin>>n>>x1>>y1>>x2>>y2>>A>>B>>B>>D; ^ In file included from /usr/include/c++/4.8/sstream:38:0, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from perechipuncte.cpp:1: /usr/include/c++/4.8/istream:872:5: error: initializing argument 1 of 'std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = double(double)throw ()]' operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x) ^ perechipuncte.cpp:13:14: error: invalid user-defined conversion from '<brace-enclosed initializer list>' to 'std::map<std::pair<int, int>, int>::key_type&& {aka std::pair<int, int>&&}' [-fpermissive] H[{x1,y1}]=1; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/sstream:38, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from perechipuncte.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:112:26: note: candidate is: constexpr std::pair<_T1, _T2>::pair(const _T1&, const _T2&) [with _T1 = int; _T2 = int] <near match> _GLIBCXX_CONSTEXPR pair(const _T1& __a, const _T2& __b) ^ /usr/include/c++/4.8/bits/stl_pair.h:112:26: note: no known conversion for argument 2 from 'double(double)throw ()' to 'const int&' perechipuncte.cpp:13:14: error: invalid conversion from 'double (*)(double)throw ()' to 'const int&' [-fpermissive] H[{x1,y1}]=1; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/sstream:38, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from perechipuncte.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:112:26: error: initializing argument 2 of 'constexpr std::pair<_T1, _T2>::pair(const _T1&, const _T2&) [with _T1 = int; _T2 = int]' [-fpermissive] _GLIBCXX_CONSTEXPR pair(const _T1& __a, const _T2& __b) ^ perechipuncte.cpp:13:14: error: conversion to non-const reference type 'std::map<std::pair<int, int>, int>::key_type&& {aka struct std::pair<int, int>&&}' from rvalue of type 'std::pair<int, int>' [-fpermissive] H[{x1,y1}]=1; ^ perechipuncte.cpp:15:9: error: no match for 'operator=' (operand types are 'abc' and '<brace-enclosed initializer list>') v[1]={x1,y1}; ^ perechipuncte.cpp:15:9: note: candidates are: perechipuncte.cpp:8:8: note: abc& abc::operator=(const abc&) struct abc{ ^ perechipuncte.cpp:8:8: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const abc&' perechipuncte.cpp:8:8: note: abc& abc::operator=(abc&&) perechipuncte.cpp:8:8: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'abc&&'
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema PerechiPuncte face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.