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| #include <bits/stdc++.h>
using namespace std;
int main() {
string ans;
int num, mod, p, q, r;
cin >> num >> mod;
p = num;
while (p || p % mod < 0) {
q = p;
r = p % mod, p /= mod;
while (r < 0) r = q - (++p * mod);
ans += (r >= 10 ? (char)(r - 10 + 'A') : (char)(r + '0'));
}
reverse(ans.begin(), ans.end());
cout << num << "=" << ans << "(base" << mod << ")";
return 0;
}
|