#include <bits/stdc++.h>
using namespace std;
int query(string str);
// string password;
// int query(string q) {
// int len = q.size();
// int i = 0, j = 0, plen = password.size();
// while (i < plen && j < len) {
// while ((i < plen) && (password[i] != q[j])) {
// i++;
// }
// if (i < plen) {
// i++;
// j++;
// }
// }
// return j;
// }
int rem[30][30][5005];
int tot = 50000;
int myquery(string s){
assert(tot--);
return query(s);
}
int ask(int a,int b,int c,int d){
if(rem[a][b][c] != -1)return rem[a][b][c];
string tmp = "";
for(int i = 0;i<c;i++)
tmp += (char)(a + 'a');
for(int i = 0;i<d;i++)
tmp += (char)(b + 'a');
return rem[a][b][c] = myquery(tmp);
}
mt19937 rng(58);
string guess(int n, int s){
for(int i = 0;i<30;i++){
for(int j = 0;j<30;j++){
for(int c = 0;c<5005;c++){
rem[i][j][c] = -1;
}
}
}
vector<int> v;
for(int i = 0;i<s;i++){
v.push_back(i);
}
shuffle(v.begin(),v.end(),rng);
vector<int> cnt(s);
vector<int> used(s);
for(int i = 0;i<s;i++){
string tmp = "";
for(int j = 0;j<n;j++)
tmp += (char) (v[i] + 'a');
//cout << tmp << endl;
cnt[i] = myquery(tmp);
//cout << cnt[i] << endl;
}
string res = "";
for(int x = n-1;x>=0;x--){
int val = 0;
while(cnt[val] == 0)
val++;
for(int i = val+1;i<s;i++){
if(cnt[i] == 0)continue;
if(ask(v[val],v[i],cnt[val],n-cnt[val]) >= cnt[val] + used[i] + 1){
val = i;
}
}
res += (char)(v[val] + 'a');
used[val]++;
cnt[val]--;
//cout << val << endl;
//cout << res << endl;
}
reverse(res.begin(),res.end());
return res;
}
// int main(){
// #ifdef Local
// freopen("in.txt","r",stdin);
// freopen("out.txt","w",stdout);
// #endif
// int n,s;
// cin >> n >> s;
// cin >> password;
// guess(n,s);
// }
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
17872 KB |
Guessed the password with 76 queries. |
2 |
Correct |
9 ms |
17872 KB |
Guessed the password with 181 queries. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
17872 KB |
Guessed the password with 25 queries. |
2 |
Correct |
8 ms |
17872 KB |
Guessed the password with 63 queries. |
3 |
Correct |
8 ms |
17896 KB |
Guessed the password with 18 queries. |
4 |
Correct |
10 ms |
17872 KB |
Guessed the password with 186 queries. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
67 ms |
17924 KB |
Guessed the password with 4774 queries. |
2 |
Correct |
111 ms |
17924 KB |
Guessed the password with 8693 queries. |
3 |
Correct |
100 ms |
17872 KB |
Guessed the password with 5595 queries. |
4 |
Correct |
380 ms |
17928 KB |
Guessed the password with 18801 queries. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
17872 KB |
Guessed the password with 76 queries. |
2 |
Correct |
9 ms |
17872 KB |
Guessed the password with 181 queries. |
3 |
Correct |
8 ms |
17872 KB |
Guessed the password with 25 queries. |
4 |
Correct |
8 ms |
17872 KB |
Guessed the password with 63 queries. |
5 |
Correct |
8 ms |
17896 KB |
Guessed the password with 18 queries. |
6 |
Correct |
10 ms |
17872 KB |
Guessed the password with 186 queries. |
7 |
Correct |
67 ms |
17924 KB |
Guessed the password with 4774 queries. |
8 |
Correct |
111 ms |
17924 KB |
Guessed the password with 8693 queries. |
9 |
Correct |
100 ms |
17872 KB |
Guessed the password with 5595 queries. |
10 |
Correct |
380 ms |
17928 KB |
Guessed the password with 18801 queries. |
11 |
Correct |
596 ms |
17992 KB |
Guessed the password with 24561 queries. |
12 |
Correct |
558 ms |
17992 KB |
Guessed the password with 25707 queries. |
13 |
Correct |
895 ms |
17928 KB |
Guessed the password with 37815 queries. |
14 |
Correct |
798 ms |
18000 KB |
Guessed the password with 33822 queries. |
15 |
Correct |
1067 ms |
17932 KB |
Guessed the password with 41569 queries. |
16 |
Correct |
886 ms |
17932 KB |
Guessed the password with 35707 queries. |
17 |
Correct |
921 ms |
17932 KB |
Guessed the password with 35567 queries. |
18 |
Correct |
808 ms |
17928 KB |
Guessed the password with 30991 queries. |
19 |
Correct |
911 ms |
17924 KB |
Guessed the password with 33336 queries. |
20 |
Correct |
963 ms |
17872 KB |
Guessed the password with 35555 queries. |
21 |
Correct |
1010 ms |
17872 KB |
Guessed the password with 35443 queries. |
22 |
Correct |
1171 ms |
17872 KB |
Guessed the password with 44118 queries. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
17872 KB |
Guessed the password with 76 queries. |
2 |
Correct |
9 ms |
17872 KB |
Guessed the password with 181 queries. |
3 |
Correct |
8 ms |
17872 KB |
Guessed the password with 25 queries. |
4 |
Correct |
8 ms |
17872 KB |
Guessed the password with 63 queries. |
5 |
Correct |
8 ms |
17896 KB |
Guessed the password with 18 queries. |
6 |
Correct |
10 ms |
17872 KB |
Guessed the password with 186 queries. |
7 |
Correct |
67 ms |
17924 KB |
Guessed the password with 4774 queries. |
8 |
Correct |
111 ms |
17924 KB |
Guessed the password with 8693 queries. |
9 |
Correct |
100 ms |
17872 KB |
Guessed the password with 5595 queries. |
10 |
Correct |
380 ms |
17928 KB |
Guessed the password with 18801 queries. |
11 |
Correct |
596 ms |
17992 KB |
Guessed the password with 24561 queries. |
12 |
Correct |
558 ms |
17992 KB |
Guessed the password with 25707 queries. |
13 |
Correct |
895 ms |
17928 KB |
Guessed the password with 37815 queries. |
14 |
Correct |
798 ms |
18000 KB |
Guessed the password with 33822 queries. |
15 |
Correct |
1067 ms |
17932 KB |
Guessed the password with 41569 queries. |
16 |
Correct |
886 ms |
17932 KB |
Guessed the password with 35707 queries. |
17 |
Correct |
921 ms |
17932 KB |
Guessed the password with 35567 queries. |
18 |
Correct |
808 ms |
17928 KB |
Guessed the password with 30991 queries. |
19 |
Correct |
911 ms |
17924 KB |
Guessed the password with 33336 queries. |
20 |
Correct |
963 ms |
17872 KB |
Guessed the password with 35555 queries. |
21 |
Correct |
1010 ms |
17872 KB |
Guessed the password with 35443 queries. |
22 |
Correct |
1171 ms |
17872 KB |
Guessed the password with 44118 queries. |
23 |
Execution timed out |
1410 ms |
18220 KB |
Time limit exceeded (wall clock) |
24 |
Halted |
0 ms |
0 KB |
- |