60pts求助!
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60pts求助!
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Earth2023楼主2024/10/11 22:15
#include <bits/stdc++.h>
using namespace std;

bool is0or1(string number) {
    for (char c : number) {
        if (c != '0' && c != '1') {
            return false;
        }
    }
    return true;
}

int main() {
    long long a;
	cin >> a;
    long long b = 1;
    while (true) {
        long long product = a * b;
        if (is0or1(to_string(product))) {
            cout << b << ' ' << product << endl;
            break;
        }
        b++;
    }
    return 0;
}
2024/10/11 22:15
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