Submission #3620986

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
#define FOR(i, a, b) for(int i=(a);i<(b);++i)
#define FORE(i, a, b) for(int i=(a);i<=(b);++i)
#define rep(i, n) for(int i=0;i<(n);++i)
#define ALL(v) (v).begin(),(v).end()
#define SP cout<<fixed<<setprecision(10)
typedef pair<int, int> P;
const int INF = (int) 1e9;
const int MOD = (int) 1e9 + 7;

int gcd(int a, int b) { return b ? gcd(b, a % b) : a; }

int main(void) {
	cin.tie(0);
	ios::sync_with_stdio(false);
	
	int n;
	cin >> n;
	
	int sum = 0;
	FORE(i, 1, 9) FORE(j, 1, 9) sum += i * j;
	
	int dif = sum - n;
	FORE(i, 1, 9) {
		FORE(j, 1, 9) {
			if (i * j == dif) {
				cout << i << " x " << j << endl;
				continue;
			}
		}
	}
	
	return 0;
}

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