Language: C++

#include <bits/stdc++.h>
#include<iostream>
#include<vector>
#include <cmath>
#include <map>
#include <algorithm>
#include <string>
#define rep(i, n) for (int i = 0; i < n; ++i)
using ll = long long;
using namespace std;
#define P pair<int, int>
int main () {
    ll N ;
    cin >> N ;
    ll h[N] ;

    rep(i,n) {
        cin >> h;
        if (rev+1 <= h) h--;
 
        if (rev > h) {
            cout << "No" << endl;
            return 0;
        }
 
        rev = h;
    }
    cout << "Yes" << endl;

    return 0 ;
}

 


Compiler output:
a.cc: In function 'int main()':
a.cc:17:11: error: 'n' was not declared in this scope
   17 |     rep(i,n) {
      |           ^
a.cc:8:39: note: in definition of macro 'rep'
    8 | #define rep(i, n) for (int i = 0; i < n; ++i)
      |                                       ^
a.cc:18:13: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'll [N]' {aka 'long long int [N]'})
   18 |         cin >> h;
      |         ~~~ ^~ ~
      |         |      |
      |         |      ll [N] {aka long long int [N]}
      |         std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127,
                 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:18:16: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'll*' {aka 'long long int*'}
   18 |         cin >> h;
      |                ^
/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:18:16: error: invalid conversion from 'll*' {aka 'long long int*'} to 'short int' [-fpermissive]
   18 |         cin >> h;
      |                ^
      |                |
      |                ll* {aka long long int*}
a.cc:18:16: error: cannot bind rvalue '(short int)((ll*)(& h))' to 'short int&'
/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:18:16: error: invalid conversion from 'll*' {aka 'long long int*'} to 'short unsigned int' [-fpermissive]
   18 |         cin >> h;
      |                ^
      |                |
      |                ll* {aka long long int*}
a.cc:18:16: error: cannot bind rvalue '(short unsigned int)((ll*)(& h))' to 'short unsigned int&'
/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:18:16: error: invalid conversion from 'll*' {aka 'long long int*'} to 'int' [-fpermissive]
   18 |         cin >> h;
      |                ^
      |                |
      |                ll* {aka long long int*}
a.cc:18:16: error: cannot bind rvalue '(int)((ll*)(& h))' to 'int&'
/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:18:16: error: invalid conversion from 'll*' {aka 'long long int*'} to 'unsigned int' [-fpermissive]
   18 |         cin >> h;
      |                ^
      |                |
      |                ll* {aka long long int*}
a.cc:18:16: error: cannot bind rvalue '(unsigned int)((ll*)(& h))' to 'unsigned int&'
/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:18:16: error: invalid conversion from 'll*' {aka 'long long int*'} to 'long int' [-fpermissive]
   18 |         cin >> h;
      |                ^
      |                |
      |                ll* {aka long long int*}
a.cc:18:16: error: cannot bind rvalue '(long int)((ll*)(& h))' to 'long int&'
/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:18:16: error: invalid conversion from 'll*' {aka 'long long int*'} to 'long unsigned int' [-fpermissive]
   18 |         cin >> h;
      |                ^
      |                |
      |                ll* {aka long long int*}
a.cc:18:16: error: cannot bind rvalue '(long unsigned int)((ll*)(& h))' to 'long unsigned int&'
/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:18:16: error: invalid conversion from 'll*' {aka 'long long int*'} to 'long long int' [-fpermissive]
   18 |         cin >> h;
      |                ^
      |                |
      |                ll* {aka long long int*}
a.cc:18:16: error: cannot bind rvalue '(long long int)((ll*)(& h))' to 'long long int&'
/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:18:16: error: invalid conversion from 'll*' {aka 'long long int*'} to 'long long unsigned int' [-fpermissive]
   18 |         cin >> h;
      |                ^
      |                |
      |                ll* {aka long long int*}
a.cc:18:16: error: cannot bind rvalue '(long long unsigned int)((ll*)(& h))' to 'long long unsigned int&'
/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:18:16: error: cannot bind non-const lvalue reference of type 'void*&' to an rvalue of type 'void*'
   18 |         cin >> h;
      |                ^
/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>]'
  219 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:219:25: note:   no known conversion for argument 1 from 'll [N]' {aka 'long long int [N]'} to 'float&'
  219 |       operator>>(float& __f)
      |                  ~~~~~~~^~~
/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>]'
  223 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:223:26: note:   no known conversion for argument 1 from 'll [N]' {aka 'long long int [N]'} to 'double&'
  223 |       operator>>(double& __f)
      |                  ~~~~~~~~^~~
/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>]'
  227 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:227:31: note:   no known conversion for argument 1 from 'll [N]' {aka 'long long int [N]'} to 'long double&'
  227 |       operator>>(long double& __f)
      |                  ~~~~~~~~~~~~~^~~
/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>]'
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:122:36: note:   no known conversion for argument 1 from 'll [N]' {aka 'long long int [N]'} to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
  12