Language: C++

#include <iostream>
using namespace std;


const int MOD = 1000000007;


int N;
long long p[3000];
long long dp[3000][3000] = {};

int main(){
    cin >> N;
    int t = 1;
    for(int i=0; i<N; i++){
        cin >> p[i] * 100;
        t *= 100;
    }
    
    dp[0][0] = 1;
    for(int i=1; i<=N; i++){
        for(int j=0; j<=N; j++){    //表ｊ－１枚
            dp[i][j+1] += dp[i-1][j]*p[i-1];
            dp[i][j] += dp[i-1][j]*(100-p[i-1]);
        }
    }
    
    double ans = 0;
    for(int i=N/2+1; i<=N; i++){
        ans += dp[N][i];
    }
    
    
    double ans2 = 
    
    cout << ans << endl;
    
    
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:13: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'long long int')
   16 |         cin >> p[i] * 100;
      |         ~~~ ^~ ~~~~~~~~~~
      |         |           |
      |         |           long long int
      |         std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/14/iostream:42,
                 from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  170 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:170:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  174 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:174:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  177 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:177:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  181 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:181:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'int&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  184 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:184:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  188 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:188:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  192 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:192:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  199 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:199:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'long long int&' to an rvalue of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  203 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:203:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  219 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:219:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'float&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  223 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:223:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'double&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  227 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:227:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: cannot bind non-const lvalue reference of type 'long double&' to a value of type 'long long int'
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  328 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/14/istream:328:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: invalid conversion from 'long long int' to 'void*' [-fpermissive]
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
      |                     |
      |                     long long int
a.cc:16:21: error: cannot bind rvalue '(void*)(p[i] * 100)' to 'void*&'
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:122:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: invalid conversion from 'long long int' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
      |                     |
      |                     long long int
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]' (near match)
  126 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:126:7: note:   conversion of argument 1 would be ill-formed:
a.cc:16:21: error: invalid conversion from 'long long int' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
   16 |         cin >> p[i] * 100;
      |                ~~~~~^~~~~
      |                     |
      |                     long long int
/usr/include/c++/14/istream:133:7: note: candidate: 'std::basi