Language: C++

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
using namespace std;

int main()
{
  long long N, tmp, answer;
  cin >> N;
  vector<long long> search(N);
  answer=N-1;
  for(long long i=0;i<N;i++)
  {
    for(long long j=0;j<N;j++)
    {
      if(i<j)
        break;
      search.at(i*N+j)=(i+1)*(j+1);
      if(N==search.at(i*N+j))
      {
        tmp=i*j+1;
        answer=min(tmp,answer);
      }
    }
  }
  cout << answer << endl;
}

Compiler output:
a.cc:1:1: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      | ^
a.cc:1:2: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |  ^
a.cc:1:3: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |   ^
a.cc:1:4: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |    ^
a.cc:1:5: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |     ^
a.cc:1:6: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |      ^
a.cc:1:7: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |       ^
a.cc:1:8: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |        ^
a.cc:1:9: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |         ^
a.cc:1:10: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |          ^
a.cc:1:11: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |           ^
a.cc:1:12: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |            ^
a.cc:1:13: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |             ^
a.cc:1:14: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |              ^
a.cc:1:15: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |               ^
a.cc:1:16: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                ^
a.cc:1:17: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                 ^
a.cc:1:18: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                  ^
a.cc:1:19: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                   ^
a.cc:1:20: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                    ^
a.cc:1:21: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                     ^
a.cc:1:22: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                      ^
a.cc:1:23: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                       ^
a.cc:1:24: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                        ^
a.cc:1:25: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                         ^
a.cc:1:26: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                          ^
a.cc:1:27: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                           ^
a.cc:1:28: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                            ^
a.cc:1:29: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                             ^
a.cc:1:30: error: stray '\' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                              ^
a.cc:1:31: error: stray '#' in program
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                               ^
a.cc:1:32: error: 'include' does not name a type
    1 | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#include <bits/stdc++.h>
      |                                ^~~~~~~
a.cc: In function 'int main()':
a.cc:7:3: error: 'cin' was not declared in this scope
    7 |   cin >> N;
      |   ^~~
a.cc:8:3: error: 'vector' was not declared in this scope
    8 |   vector<long long> search(N);
      |   ^~~~~~
a.cc:8:10: error: expected primary-expression before 'long'
    8 |   vector<long long> search(N);
      |          ^~~~
a.cc:16:7: error: 'search' was not declared in this scope
   16 |       search.at(i*N+j)=(i+1)*(j+1);
      |       ^~~~~~
a.cc:20:16: error: 'min' was not declared in this scope; did you mean 'main'?
   20 |         answer=min(tmp,answer);
      |                ^~~
      |                main
a.cc:24:3: error: 'cout' was not declared in this scope
   24 |   cout << answer << endl;
      |   ^~~~
a.cc:24:21: error: 'endl' was not declared in this scope
   24 |   cout << answer << endl;
      |                     ^~~~