Language: C++

#include <bits/stdc++.h>
#include <algorithm>
#define rep(i, n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int, int>;

int main(void){
 	int n, m, h[100001], ma[100001];
	cin >> n >> m;
  	for(int i=1; i<=n; i++){
        cin >> h[i];
        ma[i] = 0;
    }
  	for(i=0; i<m; i++){
    	int a, b;
      	cin >> a >> b;
      	ma[a] = max(ma[a] > h[b]);
        ma[b] = max(ma[b] > h[a]);
    }
  	for(i=1; i<=n; i++){ 
        ans += h[i] > ma[i];
    }
  	cout << ans;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:13: error: 'i' was not declared in this scope
   15 |         for(i=0; i<m; i++){
      |             ^
a.cc:18:20: error: no matching function for call to 'max(bool)'
   18 |         ma[a] = max(ma[a] > h[b]);
      |                 ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 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:   candidate expects 2 arguments, 1 provided
/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, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/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:   template argument deduction/substitution failed:
a.cc:18:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'bool'
   18 |         ma[a] = max(ma[a] > h[b]);
      |                 ~~~^~~~~~~~~~~~~~
/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:   candidate expects 2 arguments, 1 provided
a.cc:19:20: error: no matching function for call to 'max(bool)'
   19 |         ma[b] = max(ma[b] > h[a]);
      |                 ~~~^~~~~~~~~~~~~~
/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:   candidate expects 2 arguments, 1 provided
/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, 1 provided
/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:   template argument deduction/substitution failed:
a.cc:19:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'bool'
   19 |         ma[b] = max(ma[b] > h[a]);
      |                 ~~~^~~~~~~~~~~~~~
/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:   candidate expects 2 arguments, 1 provided
a.cc:21:13: error: 'i' was not declared in this scope
   21 |         for(i=1; i<=n; i++){
      |             ^
a.cc:22:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   22 |         ans += h[i] > ma[i];
      |         ^~~
      |         abs
a.cc:24:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |         cout << ans;
      |                 ^~~
      |                 abs