Language: C++

#include<iostream>
#include<iomanip>
#include<cstdlib>
#include<algorithm>
#include<vector>
#include<map>
#include<cmath>
#include<string>

#define rep(i,p) for(int i=1;i<=p;i++)
#define ll long long

using namespace std;

int main(){

ll int N,K;
cin >> N >> K;
vector<ll int> A(N+1);
vector<ll int> B(N+1);
ll int counter = 1;
ll int counter2 = 0;
rep(i,N){
	cin >> A[i];
}
ll int l,r;
rep(i,K){

	rep(j,N){
		l = max(0,j-A[j]);
		r = min(N-1,j+A[j]);
		B[l]++;
		if(r+1<N){
			B[r+1]--;
		}
	}
 	for(int j=2;j<=N;j++){
		B[j]+=B[j-1];
	}


                   /*    
		for(int j = 1;j<i;j++){
			if(A[j]+j>=i){
				counter += 1;
			}
		}
		for(int j = i+1;j<=N;j++){
			if(j-A[j]<=i){
				counter += 1;
			}
		}
		B[i]=counter;
		counter = 1;
	}
*/
	rep(i,N){
		A[i] = B[i];
		B[i]=0;
		if(A[i] == N){
			counter2 += 1;
		}
	}
	if(counter2 == N){
		rep(i,N){
			cout << N << " ";
		}
		return 0;
	}
	else{
		counter2=0;
	}

/*
rep(i,N){
	cout << A[i] << " ";
}
cout << endl;
*/
}
rep(i,N){
	cout << A[i] << " ";
}
















	return 0;

}



Compiler output:
a.cc: In function 'int main()':
a.cc:30:24: error: no matching function for call to 'max(int, __gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type)'
   30 |                 l = max(0,j-A[j]);
      |                     ~~~^~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:30:24: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'})
   30 |                 l = max(0,j-A[j]);
      |                     ~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:4:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:30:24: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   30 |                 l = max(0,j-A[j]);
      |                     ~~~^~~~~~~~~~