Submission #8152012

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Source Code Expand

#include <iostream>
#include <string>
#include <sstream>
#include <iomanip> 
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <queue>
#include <stack>
#include <vector>
#include <map>
#include <set>
#include <functional>
#include <algorithm>
#include <unordered_map>
#include <unordered_set>
#include <bitset>

using namespace std;


int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);

	int a, b;
	cin >> a >> b;

	if ((a >= 1) && (a <= 9) && (b >= 1) && (b <= 9)) cout << a * b << "\n";
	else cout << "-1\n";

	return 0;
}

Submission Info

Judge Result