# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
520394 | Alex_tz307 | Password (RMI18_password) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
struct sir {
string s;
sir() : s("") {}
bool operator < (const sir &a) const {
return s.size() > a.s.size();
};
};
void test_case() {
int n, m;
cin >> n >> m;
priority_queue<sir> pq;
int sum_freq = 0;
for (int i = 0; i <= m - 1; ++i) {
char c = i + 97;
int freq;
if (i <= m - 2) {
for (int j = 0; j <= n - 1; ++j) {
cout << c;
}
cout << endl;
cin >> freq;
sum_freq += freq;
} else {
freq = n - sum_freq;
}
sir a;
for (int j = 0; j <= freq - 1; ++j) {
a.s += c;
}
pq.push(a);
}
while ((int)pq.size() >= 2) {
sir a = pq.top();
pq.pop();
sir b = pq.top();
pq.pop();
sir c;
while (a.s.empty() == false && b.s.empty() == false) {
cout << c.s << a.s[0] << b.s << endl;
int len;
cin >> len;
if (len == 1 + c.s.size() + b.s.size()) {
c.s += a.s[0];
a.s.erase(a.s.begin());
} else {
c.s += b.s[0];
b.s.erase(b.s.begin());
}
}
c.s += a.s;
c.s += b.s;
pq.push(c);
}
cout << pq.top().s << endl;
int len;
cin >> len;
}
int main() {
int t = 1;
for (int tc = 1; tc <= t; ++tc) {
test_case();
}
return 0;
}