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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#745776 | #9432. Permutation | guosoun | RE | 0ms | 3828kb | C++17 | 1.9kb | 2024-11-14 11:31:38 | 2024-11-14 11:31:38 |
Judging History
answer
#include <bits/stdc++.h>
using ll = long long;
struct ia {
int query(std::vector<int> a) {
std::cout << 0 << ' ';
for (int i : a) std::cout << i << ' ';
std::cout << std::endl;
int ret;
std::cin >> ret;
return ret;
}
void answer(std::vector<int> a) {
std::cout << 1 << ' ';
for (int i : a) std::cout << i << ' ';
std::cout << std::endl;
}
} ia;
int main() {
std::cin.tie(0)->sync_with_stdio(0);
int n;
std::cin >> n;
if (n == 1) return ia.answer({1}), 0;
std::vector<int> a(n);
auto solve = [&](auto &self, int l, int r, std::vector<int> v) {
assert((int)v.size() == r - l + 1);
if (l == r) return a[l] = v[0], void();
int mid = (l + r) >> 1;
std::vector<std::vector<int>> cv;
std::vector<int> lv, rv;
for (int i : v) cv.push_back({i});
while (cv.size()) {
if (cv.size() == 1) {
auto a = cv[0];
cv.pop_back();
int v = a[0];
std::vector<int> q(n, !(v - 1) ? v + 1 : v - 1);
for (int i = l; i <= mid; i++) q[i] = v;
if (ia.query(q)) lv.insert(lv.end(), a.begin(), a.end());
else rv.insert(rv.end(), a.begin(), a.end());
continue;
}
auto a = cv.back();
cv.pop_back();
auto b = cv.back();
cv.pop_back();
std::vector<int> q(n, a[0]);
for (int i = mid + 1; i <= r; i++) q[i] = b[0];
if (int t = ia.query(q); t == 1) {
a.insert(a.end(), b.begin(), b.end());
cv.push_back(a);
} else if (t == 2) {
lv.insert(lv.end(), a.begin(), a.end());
rv.insert(rv.end(), b.begin(), b.end());
} else {
lv.insert(lv.end(), b.begin(), b.end());
rv.insert(rv.end(), a.begin(), a.end());
}
}
self(self, l, mid, lv);
self(self, mid + 1, r, rv);
};
std::vector<int> v(n);
std::iota(v.begin(), v.end(), 1);
solve(solve, 0, n - 1, v);
ia.answer(a);
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3828kb
input:
5 0 1 2 0 1 0 2
output:
0 5 5 5 4 4 0 3 3 3 2 2 0 3 3 3 1 1 0 2 2 3 2 2 0 4 4 3 3 3 0 4 3 4 4 4 0 1 1 1 1 5 1 3 4 2 1 5
result:
ok Accepted
Test #2:
score: -100
Runtime Error
input:
1000 2 1 1 1 0 1 1 0 1 1 0 2 1 0 1 2 1 1 1 2 1 1 2 1 2 1 1 1 2 2 2 2 1 0 0 1 1 2 2 0 1 1 0 0 0 0 1 0 1 2 2 1 2 1 1 1 2 0 0 2 1 2 0 1 2 0 0 1 0 0 2 0 0 0 2 0 1 0 1 0 2 1 1 1 0 1 1 1 2 1 1 0 2 1 0 0 1 0 0 1 2 0 0 1 1 1 2 0 1 1 1 0 1 1 1 1 2 1 0 1 1 2 1 1 0 1 1 0 1 1 1 1 1 1 1 1 0 0 0 1 1 2 0 1 2 0 0 2...
output:
0 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 100...