Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
139514 田祥江 22第n项的数 C++ Compile Error 0 MS 0 KB 339 2025-12-07 14:37:25

Tests(0/0):

Code:

#include<iostream> using namespace std; long long a[105]; int main(){ int n; cin>>n; cin>>a[1]>>a[2]<<a[3]<<a[4]; for(int i=5;i<=n;i++){ if(a[2]-a[1]==a[3]-a[2]){ a[i]=a[i-1]+(a[2]-a[1]); } else if(a[2]/a[1]==a[4]/a[3]){ a[i]=a[i-1]*(a[2]/a[1]); } } cout<<a[n]; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:7:19: error: no match for 'operator<<' (operand types are 'std::basic_istream::__istream_type {aka std::basic_istream}' and 'long long int')
    cin>>a[1]>>a[2]<
Main.cc:7:19: note:   no known conversion for argument 1 from 'std::basic_istream::__istream_type {aka std::basic_istream}' to 'int'
In file included from /usr/include/c++/5/string:52:0,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/basic_string.h:5172:5: note: candidate: template std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator<<(basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/basic_string.h:5172:5: note:   template argument deduction/substitution failed:
Main.cc:7:24: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
    cin>>a[1]>>a[2]<