Language: C++

#include <sstream>
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <iostream>
#include <iomanip>
#include <algorithm>
#include <vector>
#include <set>
#include <stack>
#include <map>
#include <string>
#include <queue>
#include <bitset>

using namespace std;

#define fto(i,a,b) for (int i = (a); i <= b; i++)
#define fdw(i,a,b) for (int i = (a); i >= b; i--)
#define rep(i,a) for(int i = 0; i < a; i++) 
#define read(a) cin >> a
#define read2(a, b) cin >> a >> b
#define read3(a, b, c) cin >> a >> b >> c
#define read4(a, b, c, d) cin >> a >> b >> c >> d
#define write(a, b) cout << a << b
#define writeln(a) cout << a << "\n"

#define PI 3.14159265
#define oo 1000000000
#define ooLL 100000000000000000
#define log(a) cerr << #a << " = " << a << endl

#define sz(a) int((a).size())
#define all(c) (c).begin(), (c).end()
#define tr(c,i) for(typeof((c).begin()) i = (c).begin(); i != (c).end(); i++)
#define present(c,x) ((c).find(x) != (c).end())
#define cpresent(c,x) (find(all(c),x) != (c).end())
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define next thongdeptrai
#define prev thongbachuthegioi
#define y1 thongsieucapvutru
#define y0 thongnotgay

typedef vector<int> vi;
typedef pair<int,int> ii;
typedef long long ll;

#define maxn 100005

ll x, t;

using namespace std;

int main() {
	#ifndef ONLINE_JUDGE
    	freopen("in.inp", "r", stdin);
    #endif

    read2(x, t);
    cout << max(0, x - t) << endl;

 	#ifndef ONLINE_JUDGE
    	cout << endl;
    	cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
	#endif
}


Compiler output:
a.cc: In function 'int main()':
a.cc:65:16: error: no matching function for call to 'max(int, ll)'
   65 |     cout << max(0, x - t) << endl;
      |             ~~~^~~~~~~~~~
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/istream:40,
                 from /usr/include/c++/14/sstream:40,
                 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:65:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   65 |     cout << max(0, x - t) << endl;
      |             ~~~^~~~~~~~~~
/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:9:
/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:65:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   65 |     cout << max(0, x - t) << endl;
      |             ~~~^~~~~~~~~~