#include <vector>
#include <algorithm>
#include <iostream>
#include "ancient2.h"
using namespace std;
string Solve(int N) {
string ans = "";
while ((int) ans.size() < 1) {
vector<int> c(2);
for (int i = 0; i < (int) ans.size(); ++i) ++c[ans[i] - '0'];
int todo = min(c[0], c[1]);
if (todo > 99) break;
vector<int> a(todo + 3);
for (int i = 0; i < todo; ++i) a[i] = i + 1;
vector<int> b(todo + 3);
for (int i = 0; i < todo; ++i) b[i] = i;
a[todo] = a[todo + 1] = todo + 1, a[todo + 2] = todo + 2;
b[todo] = b[todo + 2] = todo + 2, b[todo + 1] = todo + 1;
if (c[1] < c[0]) swap(a, b);
int x = Query(todo + 3, a, b);
if (x == a[todo]) ans += "0";
else ans += "1";
}
if ((int) ans.size() == N) return ans;
while ((int) ans.size() < N) {
vector<int> a(102, -1);
vector<int> b(102, -1);
a[100] = b[100] = 100;
a[101] = b[101] = 101;
for (int i = 0; i < 98; ++i) a[i] = i + 1, b[i] = i + 1;
a[98] = 2, b[98] = 3;
int idx = 0;
for (int i = 0; i < (int) ans.size(); ++i) {
++idx;
if (idx > 98) {
if (ans[i] == '0') idx = 7;
else idx = 11;
}
}
if (ans.back() == '1') {
a[99] = idx;
a[idx - 1] = 99;
if (idx == 7) a[98] = 99;
a[idx] = 100;
} else {
b[99] = idx;
b[idx - 1] = 99;
if (idx == 11) b[98] = 99;
b[idx] = 100;
}
for (int i = 0; i < 102; ++i) {
if (a[i] < 0) a[i] = 101;
if (b[i] < 0) b[i] = 101;
}
int x = Query(102, a, b);
if (x != 100) ans += string(1, ans.back());
else ans += string(1, (char) ('0' + '1' - ans.back()));
// cout << "has " << ans << '\n';
}
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
18 ms |
600 KB |
Wrong Answer [3] |
| 2 |
Halted |
0 ms |
0 KB |
- |
