/// In The Name Of God
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
//#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define pp pop_back
#define mp make_pair
#define sz(x) (int)x.size()
#define sqr(x) ((x) * 1ll * (x))
#define all(x) x.begin(), x.end()
#define rep(i, l, r) for (int i = (l); i <= (r); i++)
#define per(i, l, r) for (int i = (l); i >= (r); i--)
#define Kazakhstan ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define nl '\n'
#define ioi exit(0);
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
const int N = (int)2e5 + 7;
const int inf = (int)1e9 + 7;
const int mod = (int)1e9 + 7;
const ll linf = (ll)1e18 + 7;
const int dx[] = {-1, 0, 1, 0, 1, -1, -1, 1};
const int dy[] = {0, 1, 0, -1, 1, -1, 1, -1};
using namespace std;
int n;
pair <ll, ll> a[N];
ll dp[N];
ll calc(int v = 1) {
if (v > n) return 0;
if (~dp[v]) return dp[v];
int i = v * 2 - 1;
return dp[v] = calc(v + 1) + min(abs(a[i].f - v) + abs(a[i + 1].f - v) + abs(a[i].s - 1) + abs(a[i + 1].s - 2), abs(a[i].f - v) + abs(a[i + 1].f - v) + abs(a[i].s - 2) + abs(a[i + 1].s - 1));
}
int main() {
#ifdef IOI
freopen ("in.txt", "r", stdin);
#endif
Kazakhstan
cin >> n;
rep(i, 1, n << 1) {
cin >> a[i].f >> a[i].s;
}
sort (a + 1, a + n + n + 1);
memset(dp, -1, sizeof(dp));
cout << calc();
ioi
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1912 KB |
Output is correct |
2 |
Correct |
3 ms |
1912 KB |
Output is correct |
3 |
Correct |
3 ms |
1912 KB |
Output is correct |
4 |
Correct |
3 ms |
1912 KB |
Output is correct |
5 |
Correct |
3 ms |
1912 KB |
Output is correct |
6 |
Incorrect |
3 ms |
1912 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1912 KB |
Output is correct |
2 |
Correct |
3 ms |
1912 KB |
Output is correct |
3 |
Correct |
3 ms |
1912 KB |
Output is correct |
4 |
Correct |
3 ms |
1912 KB |
Output is correct |
5 |
Correct |
3 ms |
1912 KB |
Output is correct |
6 |
Incorrect |
3 ms |
1912 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1912 KB |
Output is correct |
2 |
Correct |
3 ms |
1912 KB |
Output is correct |
3 |
Correct |
3 ms |
1912 KB |
Output is correct |
4 |
Correct |
3 ms |
1912 KB |
Output is correct |
5 |
Correct |
3 ms |
1912 KB |
Output is correct |
6 |
Incorrect |
3 ms |
1912 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |