Rezumat problemă

Function

#3951

Avem o funcție F definită pe numere naturale. \(F(x) = \begin{cases} Y, x = 0 \\ \sum_{i=0}^{x-1} F(i) \end{cases}\). Primim Q interogări de tipul st dr, pentru fiecare interogare trebuie să spunem cât este \(\sum_{i=st}^{dr}F(i)\) modulo \(10^9+7\).

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Consola Iacob Tudor (IacobTudor) Tudor Iacob dificilă

Clasa 9 Probleme diverse Probleme diverse Exponentiere rapida

Rezolvă

Detalii

Problema	Function	Operații I/O	tastatură/ecran
Limita timp	0.3 secunde	Limita memorie	Total: 1 MB / Stivă 1 MB
Id soluție	#60936828	Utilizator	Calisov Radu (Radu_Calisov)
Fișier	function.cpp	Dimensiune	868 B
Data încărcării	15 Noiembrie 2025, 14:20	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

function.cpp: In function 'int main()':
function.cpp:38:36: error: no matching function for call to 'exp(int, int)'
             res = (y * ((exp(2,st-1) * sub) % mod))%mod;

                                    ^
function.cpp:38:36: note: candidates are:
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 function.cpp:1:
/usr/include/i386-linux-gnu/bits/mathcalls.h:100:1: note: double exp(double)
 __MATHCALL (exp,, (_Mdouble_ __x));
 ^
/usr/include/i386-linux-gnu/bits/mathcalls.h:100:1: note:   candidate expects 1 argument, 2 provided
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from function.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:452:5: note: template<class _Tp> std::_Expr<std::_UnClos<std::_Exp, std::_ValArray, _Tp>, _Tp> std::exp(const std::valarray<_Tp>&)
     _DEFINE_EXPR_UNARY_FUNCTION(exp, _Exp)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:452:5: note:   template argument deduction/substitution failed:
function.cpp:38:36: note:   mismatched types 'const std::valarray<_Tp>' and 'int'
             res = (y * ((exp(2,st-1) * sub) % mod))%mod;

                                    ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from function.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:452:5: note: template<class _Dom> std::_Expr<std::_UnClos<std::_Exp, std::_Expr, _Dom>, typename _Dom::value_type> std::exp(const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_UNARY_FUNCTION(exp, _Exp)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:452:5: note:   template argument deduction/substitution failed:
function.cpp:38:36: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
             res = (y * ((exp(2,st-1) * sub) % mod))%mod;

                                    ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from function.cpp:1:
/usr/include/c++/4.8/complex:756:5: note: template<class _Tp> std::complex<_Tp> std::exp(const std::complex<_Tp>&)
     exp(const complex<_Tp>& __z) { return __complex_exp(__z.__rep()); }
     ^
/usr/include/c++/4.8/complex:756:5: note:   template argument deduction/substitution failed:
function.cpp:38:36: note:   mismatched types 'const std::complex<_Tp>' and 'int'
             res = (y * ((exp(2,st-1) * sub) % mod))%mod;

                                    ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:41:0,
                 from function.cpp:1:
/usr/include/c++/4.8/cmath:253:5: note: template<class _Tp> constexpr typename __gnu_cxx::__enable_if<std::__is_integer<_Tp>::__value, double>::__type std::exp(_Tp)
     exp(_Tp __x)
     ^
/usr/include/c++/4.8/cmath:253:5: note:   template argument deduction/substitution failed:
function.cpp:38:36: note:   candidate expects 1 argument, 2 provided
             res = (y * ((exp(2,st-1) * sub) % mod))%mod;

                                    ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:41:0,
                 from function.cpp:1:
/usr/include/c++/4.8/cmath:245:3: note: constexpr long double std::exp(long double)
   exp(long double __x)
   ^
/usr/include/c++/4.8/cmath:245:3: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/4.8/cmath:241:3: note: constexpr float std::exp(float)
   exp(float __x)
   ^
/usr/include/c++/4.8/cmath:241:3: note:   candidate expects 1 argument, 2 provided

Cum funcționează evaluarea?