Language: C++

#include<iostream>
#include<algorithm>
#include<string>
#include<cstdlib>
#include<map>
#include<iomanip>
#include<sstream>
#include<vector>
#include<stack>
#include<math.h>
#include<queue>
#include<complex>
#include<random>
#include<ctime>
using namespace std;

const long long int mod=1000000007;
const long long int INF=99999999999999999;



long long int n,m,cou=0,res=0,h[200000],a[1003][1003];
long long int cost[1000000]={},num[1003][1003];
long long int memo[1005][1005]={}
string s,t; 
queue<long long int>task,ed[600000],memo;
               
int main() {
	cout << fixed << setprecision(10);
	cin>>n;
	for(long long int i=0;i<n;i++){
		for(long long int j=i+1;j<n;j++){
			num[i][j]=cou;
			cou++;
		}
	}
	for(long long int i=0;i<n;i++){
		for(long long int j=0;j<n-1;j++){
			cin>>a[i][j];
			a[i][j]--;
			num[min(i,a[i][j])][max(i,a[i])]++;
		}
	}
	cout<<n;
	
	
} 


Compiler output:
a.cc:25:1: error: expected ',' or ';' before 'string'
   25 | string s,t;
      | ^~~~~~
a.cc:26:37: error: conflicting declaration 'std::queue<long long int> memo'
   26 | queue<long long int>task,ed[600000],memo;
      |                                     ^~~~
a.cc:24:15: note: previous declaration as 'long long int memo [1005][1005]'
   24 | long long int memo[1005][1005]={}
      |               ^~~~
a.cc: In function 'int main()':
a.cc:41:48: error: no matching function for call to 'max(long long int&, long long int [1003])'
   41 |                         num[min(i,a[i][j])][max(i,a[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:41:48: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'long long int [1003]')
   41 |                         num[min(i,a[i][j])][max(i,a[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:2:
/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:41:48: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   41 |                         num[min(i,a[i][j])][max(i,a[i])]++;
      |                                             ~~~^~~~~~~~