Search for a command to run...
Progressive hints first, then the full explanation and implementation when you're ready to cash out.
Review status
AI-generated and still unreviewed. Double-check the details before internalizing them.
Hints
Open only as much as you need to keep the solve alive.
The Codeforces statement is deliberately useless. The real work starts after following the external page; there is basically normal input hiding here.
Do not overfit the interactive tag. The “interaction” is with the fake verification page, not with the Codeforces judge. The judge wants a fixed output.
The CAPTCHA levels are the actual puzzle. Once you clear the finite sequence of levels, the site reveals a trivial final statement. Classic April Fools nonsense, but with a straight face.
After the verification game is beaten, the whole programming part collapses to printing one exact sentence. No loops, no parsing, no , no suffering.
Print exactly: Yes, I can attest to my status as a thoroughly validated, carbon-based biological entity.
The visible Codeforces statement is just a wrapper. It sends you to an external fake verification page. That page is not a real Cloudflare check; it is the problem.
You pass a finite sequence of increasingly cursed CAPTCHA-style levels. After that, the page reveals the actual “programming” task, which is simply to output a fixed sentence.
So the submitted program has:
and the answer is a constant string:
Trying to build an interactive strategy in C++ here is like bringing Dijkstra to a spelling bee. Wrong tool, wrong planet.
The judge does not care how you solved the external page. For submission, all that matters is that stdout contains exactly the required sentence, followed by an optional newline.
Therefore:
and terminate.
Let be the required output sentence revealed by the special page.
The program prints exactly and then a newline. Since there is no meaningful input and the accepted output is fixed, every possible test case expects the same value .
Thus the program's output matches the required answer for all tests. Therefore, the program is correct.
The program performs one constant-size output operation.
Reference used to verify the final output: official Codeforces tutorial.
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void setIO() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
}
int main() {
setIO();
cout << "Yes, I can attest to my status as a thoroughly validated, carbon-based biological entity.\n";
}#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void setIO() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
}
int main() {
setIO();
cout << "Yes, I can attest to my status as a thoroughly validated, carbon-based biological entity.\n";
}