Language: C++

#include<iostream>
#include<cstdlib>
#include<cstdio>
#include<algorithm>
using namespace std;

int main()
{
	const int MAX_N = 1000;
	int n;
	cin >> n;
	int x[MAX_N] = { 0 };
	int y[MAX_N] = { 0 };
	for (int i = 0; i < n; i++) {
		cin >> x[i];
	}
	for (int i = 0; i < n; i++) {
		cin >> y[i];
	}
	//p=1 ???????????????????????¢
	double md = 0.0;
	for (int i = 0; i < n; i++) {
		md += abs(x[i] - y[i]);
	}
	
	//p=2 ???????????????????????¢
	double ed = 0.0;
	for (int i = 0; i < n; i++) {
		ed += pow(abs(x[i] - y[i]), 2);
	}
	ed = sqrt(ed);
	
	//p=3
	double a = 0.0;
	for (int i = 0; i < n; i++) {
		a += pow(abs(x[i] - y[i]), 3);
	}
	a = pow(a, 1 / 3.0);
	
	//p=INF
	double b = abs(x[0] - y[0]);
	for (int i = 1; i < n; i++) {
		b = max(b, abs(x[i] - y[i]));
	}

	printf("%.6f\n%.6f\n%.6f\n%.6f\n", md, ed, a, b);

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:23: error: 'pow' was not declared in this scope
   29 |                 ed += pow(abs(x[i] - y[i]), 2);
      |                       ^~~
a.cc:31:14: error: 'sqrt' was not declared in this scope
   31 |         ed = sqrt(ed);
      |              ^~~~
a.cc:36:22: error: 'pow' was not declared in this scope
   36 |                 a += pow(abs(x[i] - y[i]), 3);
      |                      ^~~
a.cc:38:13: error: 'pow' was not declared in this scope
   38 |         a = pow(a, 1 / 3.0);
      |             ^~~
a.cc:43:24: error: no matching function for call to 'max(double&, int)'
   43 |                 b = max(b, abs(x[i] - y[i]));
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~
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:43:24: note:   deduced conflicting types for parameter 'const _Tp' ('double' and 'int')
   43 |                 b = max(b, abs(x[i] - y[i]));
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~
/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:43:24: note:   mismatched types 'std::initializer_list<_Tp>' and 'double'
   43 |                 b = max(b, abs(x[i] - y[i]));
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~