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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#123508 | #91. Secret Permutation | bashkort# | 0 | 0ms | 4056kb | C++20 | 978b | 2023-07-12 18:53:01 | 2024-07-04 00:37:20 |
Judging History
answer
#pragma once
#include "permutation.h"
#include <bits/stdc++.h>
namespace {
using namespace std;
mt19937 rnd(228);
}
void solve(int n) {
vector<int> p(n);
iota(p.begin(), p.end(), 1);
auto qry = [&](vector<int> v, int pos, int i) {
v.insert(v.begin() + pos, i);
return query(v);
};
for (int t = 2; t < n; ++t) {
vector<int> v = p;
v.pop_back();
int b = p.back();
int lo = 0, hi = t;
while (lo < hi) {
int mid = lo + hi >> 1;
if (qry(v, mid, b) > qry(v, mid + 1, b)) {
lo = mid + 1;
} else {
hi = mid;
}
}
v.insert(v.begin() + lo, b);
p = v;
}
vector<int> ans(n);
for (int i = 0; i < n; ++i) {
ans[p[i] - 1] = i + 1;
}
for (int x : ans) {
cerr << x << " ";
}
cerr << endl;
answer(ans);
}
詳細信息
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 6.94286
Acceptable Answer
time: 0ms
memory: 4056kb
input:
7 5 7 1 3 2 4 6
output:
0 26 1050790
result:
points 0.46285714290 26 steps
Test #2:
score: 0
Wrong Answer
time: 0ms
memory: 3996kb
input:
4 3 4 2 1
output:
-1
result:
wrong answer Your answer is not correct.
Subtask #2:
score: 0
Skipped
Dependency #1:
0%
Subtask #3:
score: 0
Skipped
Dependency #1:
0%