Language: C++

81#include "bits/stdc++.h"
using namespace std;

#define ASC(vec) vec.begin(), vec.end()		// 昇順ソート 例：sort(ASC(vec));
#define DESC(vec) vec.rbegin(), vec.rend()	// 降順ソート 例:sort(DESC(vec));
#define rep(i, n) for(int i = 0; i < n; i++)
#define Rep(i, n) for(int i = 1; i < n; i++)
#define In(vec) rep(i, n) cin>>vec[i];
#define ANS(s) cout << s << endl
#define inc(a, b) cin >> a >> b;

const int mod = 1000000007;
const int inf = (int)1e9 + 7;
const long long INF = 1LL << 60;

using ii = pair<int, int>;
using ll = long long;
using vi = vector<int>;
using vd = vector<double>;
using vb = vector<bool>;
using vl = vector<ll>;
using vs = vector<string>;
using vvi = vector<vector<int>>;
using vvl = vector<vector<ll>>;
using vii = vector<pair<int, int>>;

template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }

ll GCD(ll a, ll b) { return b ? GCD(b, a % b) : a; }
ll LCM(ll a, ll b) { return (a * b) / GCD(a, b); }
int round_int(int a, int b) { return (a + (b - 1)) / b; }


// 4,8方向に探索する際に用いる配列
int dx[4] = { 0,  0, 1, -1 };
int dy[4] = { 1, -1, 0,  0 };
//int dx[8] = { 1, 0, -1,  0, 1, -1, -1,  1 };
//int dy[8] = { 0, 1,  0, -1, 1,  1, -1, -1 };

constexpr auto MAX = 100010;

// ────────────────────────────────────────────────────

int main() {
	int n; cin >> n;
	Rep(i, 10) {
		if (n % i == 0 && n / i < 10) {
			cout << "Yes" << endl;
			return 0;
		}
	}
	cout << "No" << endl;
}


Compiler output:
a.cc:1:3: error: stray '#' in program
    1 | 81#include "bits/stdc++.h"
      |   ^
a.cc:1:1: error: expected unqualified-id before numeric constant
    1 | 81#include "bits/stdc++.h"
      | ^~
a.cc:16:12: error: 'pair' does not name a type
   16 | using ii = pair<int, int>;
      |            ^~~~
a.cc:18:12: error: 'vector' does not name a type
   18 | using vi = vector<int>;
      |            ^~~~~~
a.cc:19:12: error: 'vector' does not name a type
   19 | using vd = vector<double>;
      |            ^~~~~~
a.cc:20:12: error: 'vector' does not name a type
   20 | using vb = vector<bool>;
      |            ^~~~~~
a.cc:21:12: error: 'vector' does not name a type
   21 | using vl = vector<ll>;
      |            ^~~~~~
a.cc:22:12: error: 'vector' does not name a type
   22 | using vs = vector<string>;
      |            ^~~~~~
a.cc:23:13: error: 'vector' does not name a type
   23 | using vvi = vector<vector<int>>;
      |             ^~~~~~
a.cc:24:13: error: 'vector' does not name a type
   24 | using vvl = vector<vector<ll>>;
      |             ^~~~~~
a.cc:25:13: error: 'vector' does not name a type
   25 | using vii = vector<pair<int, int>>;
      |             ^~~~~~
a.cc: In function 'int main()':
a.cc:46:16: error: 'cin' was not declared in this scope
   46 |         int n; cin >> n;
      |                ^~~
a.cc:49:25: error: 'cout' was not declared in this scope
   49 |                         cout << "Yes" << endl;
      |                         ^~~~
a.cc:49:42: error: 'endl' was not declared in this scope
   49 |                         cout << "Yes" << endl;
      |                                          ^~~~
a.cc:53:9: error: 'cout' was not declared in this scope
   53 |         cout << "No" << endl;
      |         ^~~~
a.cc:53:25: error: 'endl' was not declared in this scope
   53 |         cout << "No" << endl;
      |                         ^~~~