#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cmath>
#include <ctime>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <limits>
#include <iomanip>
#include <unordered_set>
#include <unordered_map>
#include <random>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef ll itn;
#define ff first
#define ss second
string findSum(string str1, string str2)
{
if (str1.length() > str2.length())
swap(str1, str2);
string str = "";
ll n1 = str1.length(), n2 = str2.length();
reverse(str1.begin(), str1.end());
reverse(str2.begin(), str2.end());
ll carry = 0;
for (ll i = 0; i < n1; i++)
{
ll sum = ((str1[i] - '0') + (str2[i] - '0') + carry);
str.push_back(sum % 10 + '0');
carry = sum / 10;
}
for (ll i = n1; i < n2; i++)
{
ll sum = ((str2[i] - '0') + carry);
str.push_back(sum % 10 + '0');
carry = sum / 10;
}
if (carry)
str.push_back(carry + '0');
reverse(str.begin(), str.end());
return str;
}
bool isSmaller(string str1, string str2)
{
ll n1 = str1.length(), n2 = str2.length();
if (n1 < n2)
return true;
if (n2 < n1)
return false;
for (ll i = 0; i < n1; i++)
if (str1[i] < str2[i])
return true;
else if (str1[i] > str2[i])
return false;
return false;
}
string findDiff(string str1, string str2)
{
if (isSmaller(str1, str2))
swap(str1, str2);
string str = "";
ll n1 = str1.length(), n2 = str2.length();
reverse(str1.begin(), str1.end());
reverse(str2.begin(), str2.end());
ll carry = 0;
for (ll i = 0; i < n2; i++) {
ll sub
= ((str1[i] - '0') - (str2[i] - '0') - carry);
if (sub < 0) {
sub = sub + 10;
carry = 1;
}
else
carry = 0;
str.push_back(sub + '0');
}
for (ll i = n2; i < n1; i++) {
ll sub = ((str1[i] - '0') - carry);
if (sub < 0) {
sub = sub + 10;
carry = 1;
}
else
carry = 0;
str.push_back(sub + '0');
}
reverse(str.begin(), str.end());
return str;
}
ll ttt;
const ll INF = 1e18;
const ll MOD = 1e9 + 7;
const ll MOD2 = 998244353;
const ll MOD3 = 32768;
const ll N = 100007;
ll n, m, k;
ll a[1000007];
int main() {
cin >> n;
for (int i = 0; i < n; i++) {
cin >> a[i];
}
if (n <= 9) {
vector<int>p;
for (int i = 0; i < n; i++) {
p.push_back(i);
}
ll ans = INF;
do {
bool ok = true;
for (int i = 0; i < n - 1; i++) {
if (a[p[i]] >= a[p[i + 1]] + 2) {
ok = false;
break;
}
}
if (ok) {
ll res = 0;
vector<int>c(n);
vector<int>pp = p;
for (int i = 0; i < n; i++) {
c[pp[i]] = i;
}
for (int i = 0; i < n; i++) {
res += abs(i - c[i]);
for (int j = c[i] - 1; j >= i; j--) {
swap(pp[j], pp[j + 1]);
}
for (int i = 0; i < n; i++) {
c[pp[i]] = i;
}
//cout << res << " " << i << " " << c[i] << " ";
c[i] = i;
}
//cout << " ";
ans = min(ans, res);
//for (int i = 0; i < n; i++)cout << p[i] << " ";
//cout << res << endl;
}
} while (next_permutation(p.begin(), p.end()));
cout << ans << endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
3 ms |
212 KB |
Output is correct |
8 |
Correct |
3 ms |
212 KB |
Output is correct |
9 |
Correct |
3 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
3 ms |
212 KB |
Output is correct |
8 |
Correct |
3 ms |
212 KB |
Output is correct |
9 |
Correct |
3 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
212 KB |
Output is correct |
11 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
3 ms |
212 KB |
Output is correct |
8 |
Correct |
3 ms |
212 KB |
Output is correct |
9 |
Correct |
3 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
212 KB |
Output is correct |
11 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
3 ms |
212 KB |
Output is correct |
8 |
Correct |
3 ms |
212 KB |
Output is correct |
9 |
Correct |
3 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
212 KB |
Output is correct |
11 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
3 ms |
212 KB |
Output is correct |
8 |
Correct |
3 ms |
212 KB |
Output is correct |
9 |
Correct |
3 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
212 KB |
Output is correct |
11 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |