#include "bits/stdc++.h"
using namespace std;
#define FAST ios_base::sync_with_stdio(false); cin.tie(0);
#define pb push_back
#define eb emplace_back
#define ins insert
#define ph push
#define f first
#define s second
#define cbr cerr << "hi\n"
#define mmst(x, v) memset((x), v, sizeof ((x)))
#define siz(x) ((ll)x.size())
#define all(x) (x).begin(), (x).end()
#define lbd(x, y) lower_bound(all(x), y)
#define ubd(x, y) upper_bound(all(x), y)
#define btinpct(x) __builtin_popcountll((x))
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); //can be used by calling rng() or shuffle(A, A+n, rng)
inline long long rand(long long x, long long y) { return (rng() % (y+1-x)) + x; } //inclusivesss
string to_string(char c) {string s(1,c);return s;} template<typename T> inline T gcd(T a,T b){if(a>b)swap(a,b);if(a==0)return b;return gcd(b%a,a);}
#define ll long long int
#define ld long double
#define FOR(ii, ss, ee) for(ll ii = (ss); ii <= (ll)(ee); ++ii)
#define DEC(ii, ss, ee) for(ll ii = (ss); ii >= (ll)(ee); --ii)
typedef pair <ll, ll> pi; typedef pair <ll, pi> spi; typedef pair <pi, pi> dpi;
#define LLINF ((long long) 1e18)//1234567890987654321
#define INF 1234567890ll
// #define cerr if(0)cout
#define MAXN (200006)
ll n, ans;
pi A[MAXN];
int col[MAXN/2][3];
void add(ll a,ll b,ll c,ll d) {
ans += llabs(a-c) + llabs(b-d);
}
int main()
{
FAST
cin>>n;
FOR(i,1,2*n) cin>>A[i].f>>A[i].s;
FOR(i,1,2*n) {
if(1<=A[i].f&&A[i].f<=n&&1<=A[i].s&&A[i].s<=2) ++ col[A[i].f][A[i].s];
else if(1 <= A[i].f && A[i].f <= n) ++ col[A[i].f][(A[i].s>2?2:1)], add(A[i].f, A[i].s, A[i].f, (A[i].s>2?2:1));
else if(A[i].f < 1 && A[i].s >= 2) ++ col[1][2], add(A[i].f, A[i].s, 1, 2);
else if(A[i].f < 1 && A[i].s <= 1) ++ col[1][1], add(A[i].f, A[i].s, 1, 1);
else if(A[i].f > n && A[i].s >= 2) ++ col[n][2], add(A[i].f, A[i].s, n, 2);
else if(A[i].f > n && A[i].s <= 1) ++ col[n][1], add(A[i].f, A[i].s, n, 1);
else assert(0);
}
// cerr<<"ans: "<<ans<<"\n";
// FOR(j,1,2) FOR(i,1,n) cout<<col[i][j]<<" \n"[i==n];
int d1=0, d2=0;
FOR(i,1,n) {
d1 += col[i][1]-1;
d2 += col[i][2]-1;
if(d1 < 0 && d2 > 0) {
int tmp=min(d2, -d1);
ans += tmp, d1 += tmp, d2 -= tmp;
} else if(d1 > 0 && d2 < 0) {
int tmp=min(d1, -d2);
ans += tmp, d2 += tmp, d1 -= tmp;
}
ans += abs(d1);
ans += abs(d2);
}
cout<<ans<<'\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
3 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct |
| 19 |
Correct |
2 ms |
376 KB |
Output is correct |
| 20 |
Correct |
2 ms |
376 KB |
Output is correct |
| 21 |
Correct |
3 ms |
376 KB |
Output is correct |
| 22 |
Correct |
2 ms |
376 KB |
Output is correct |
| 23 |
Correct |
2 ms |
376 KB |
Output is correct |
| 24 |
Correct |
2 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
388 KB |
Output is correct |
| 26 |
Correct |
2 ms |
376 KB |
Output is correct |
| 27 |
Correct |
2 ms |
376 KB |
Output is correct |
| 28 |
Correct |
3 ms |
376 KB |
Output is correct |
| 29 |
Correct |
2 ms |
376 KB |
Output is correct |
| 30 |
Correct |
2 ms |
376 KB |
Output is correct |
| 31 |
Correct |
2 ms |
376 KB |
Output is correct |
| 32 |
Correct |
2 ms |
376 KB |
Output is correct |
| 33 |
Correct |
2 ms |
388 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
3 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct |
| 19 |
Correct |
2 ms |
376 KB |
Output is correct |
| 20 |
Correct |
2 ms |
376 KB |
Output is correct |
| 21 |
Correct |
3 ms |
376 KB |
Output is correct |
| 22 |
Correct |
2 ms |
376 KB |
Output is correct |
| 23 |
Correct |
2 ms |
376 KB |
Output is correct |
| 24 |
Correct |
2 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
388 KB |
Output is correct |
| 26 |
Correct |
2 ms |
376 KB |
Output is correct |
| 27 |
Correct |
2 ms |
376 KB |
Output is correct |
| 28 |
Correct |
3 ms |
376 KB |
Output is correct |
| 29 |
Correct |
2 ms |
376 KB |
Output is correct |
| 30 |
Correct |
2 ms |
376 KB |
Output is correct |
| 31 |
Correct |
2 ms |
376 KB |
Output is correct |
| 32 |
Correct |
2 ms |
376 KB |
Output is correct |
| 33 |
Correct |
2 ms |
388 KB |
Output is correct |
| 34 |
Correct |
3 ms |
380 KB |
Output is correct |
| 35 |
Correct |
3 ms |
504 KB |
Output is correct |
| 36 |
Correct |
3 ms |
400 KB |
Output is correct |
| 37 |
Correct |
3 ms |
376 KB |
Output is correct |
| 38 |
Correct |
3 ms |
424 KB |
Output is correct |
| 39 |
Correct |
3 ms |
376 KB |
Output is correct |
| 40 |
Correct |
3 ms |
376 KB |
Output is correct |
| 41 |
Correct |
3 ms |
376 KB |
Output is correct |
| 42 |
Correct |
3 ms |
376 KB |
Output is correct |
| 43 |
Correct |
3 ms |
396 KB |
Output is correct |
| 44 |
Correct |
3 ms |
376 KB |
Output is correct |
| 45 |
Correct |
5 ms |
376 KB |
Output is correct |
| 46 |
Correct |
3 ms |
376 KB |
Output is correct |
| 47 |
Correct |
3 ms |
504 KB |
Output is correct |
| 48 |
Correct |
3 ms |
376 KB |
Output is correct |
| 49 |
Correct |
3 ms |
380 KB |
Output is correct |
| 50 |
Correct |
3 ms |
376 KB |
Output is correct |
| 51 |
Correct |
3 ms |
376 KB |
Output is correct |
| 52 |
Correct |
2 ms |
376 KB |
Output is correct |
| 53 |
Correct |
3 ms |
504 KB |
Output is correct |
| 54 |
Correct |
3 ms |
376 KB |
Output is correct |
| 55 |
Correct |
3 ms |
504 KB |
Output is correct |
| 56 |
Correct |
3 ms |
376 KB |
Output is correct |
| 57 |
Correct |
3 ms |
376 KB |
Output is correct |
| 58 |
Correct |
3 ms |
376 KB |
Output is correct |
| 59 |
Correct |
3 ms |
504 KB |
Output is correct |
| 60 |
Correct |
3 ms |
376 KB |
Output is correct |
| 61 |
Correct |
3 ms |
376 KB |
Output is correct |
| 62 |
Correct |
3 ms |
376 KB |
Output is correct |
| 63 |
Correct |
2 ms |
376 KB |
Output is correct |
| 64 |
Correct |
3 ms |
504 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
3 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct |
| 19 |
Correct |
2 ms |
376 KB |
Output is correct |
| 20 |
Correct |
2 ms |
376 KB |
Output is correct |
| 21 |
Correct |
3 ms |
376 KB |
Output is correct |
| 22 |
Correct |
2 ms |
376 KB |
Output is correct |
| 23 |
Correct |
2 ms |
376 KB |
Output is correct |
| 24 |
Correct |
2 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
388 KB |
Output is correct |
| 26 |
Correct |
2 ms |
376 KB |
Output is correct |
| 27 |
Correct |
2 ms |
376 KB |
Output is correct |
| 28 |
Correct |
3 ms |
376 KB |
Output is correct |
| 29 |
Correct |
2 ms |
376 KB |
Output is correct |
| 30 |
Correct |
2 ms |
376 KB |
Output is correct |
| 31 |
Correct |
2 ms |
376 KB |
Output is correct |
| 32 |
Correct |
2 ms |
376 KB |
Output is correct |
| 33 |
Correct |
2 ms |
388 KB |
Output is correct |
| 34 |
Correct |
3 ms |
380 KB |
Output is correct |
| 35 |
Correct |
3 ms |
504 KB |
Output is correct |
| 36 |
Correct |
3 ms |
400 KB |
Output is correct |
| 37 |
Correct |
3 ms |
376 KB |
Output is correct |
| 38 |
Correct |
3 ms |
424 KB |
Output is correct |
| 39 |
Correct |
3 ms |
376 KB |
Output is correct |
| 40 |
Correct |
3 ms |
376 KB |
Output is correct |
| 41 |
Correct |
3 ms |
376 KB |
Output is correct |
| 42 |
Correct |
3 ms |
376 KB |
Output is correct |
| 43 |
Correct |
3 ms |
396 KB |
Output is correct |
| 44 |
Correct |
3 ms |
376 KB |
Output is correct |
| 45 |
Correct |
5 ms |
376 KB |
Output is correct |
| 46 |
Correct |
3 ms |
376 KB |
Output is correct |
| 47 |
Correct |
3 ms |
504 KB |
Output is correct |
| 48 |
Correct |
3 ms |
376 KB |
Output is correct |
| 49 |
Correct |
3 ms |
380 KB |
Output is correct |
| 50 |
Correct |
3 ms |
376 KB |
Output is correct |
| 51 |
Correct |
3 ms |
376 KB |
Output is correct |
| 52 |
Correct |
2 ms |
376 KB |
Output is correct |
| 53 |
Correct |
3 ms |
504 KB |
Output is correct |
| 54 |
Correct |
3 ms |
376 KB |
Output is correct |
| 55 |
Correct |
3 ms |
504 KB |
Output is correct |
| 56 |
Correct |
3 ms |
376 KB |
Output is correct |
| 57 |
Correct |
3 ms |
376 KB |
Output is correct |
| 58 |
Correct |
3 ms |
376 KB |
Output is correct |
| 59 |
Correct |
3 ms |
504 KB |
Output is correct |
| 60 |
Correct |
3 ms |
376 KB |
Output is correct |
| 61 |
Correct |
3 ms |
376 KB |
Output is correct |
| 62 |
Correct |
3 ms |
376 KB |
Output is correct |
| 63 |
Correct |
2 ms |
376 KB |
Output is correct |
| 64 |
Correct |
3 ms |
504 KB |
Output is correct |
| 65 |
Correct |
40 ms |
6236 KB |
Output is correct |
| 66 |
Correct |
68 ms |
8112 KB |
Output is correct |
| 67 |
Correct |
59 ms |
7804 KB |
Output is correct |
| 68 |
Correct |
59 ms |
7772 KB |
Output is correct |
| 69 |
Correct |
59 ms |
7800 KB |
Output is correct |
| 70 |
Correct |
58 ms |
7800 KB |
Output is correct |
| 71 |
Correct |
60 ms |
7772 KB |
Output is correct |
| 72 |
Correct |
62 ms |
6604 KB |
Output is correct |
| 73 |
Correct |
57 ms |
6696 KB |
Output is correct |
| 74 |
Correct |
57 ms |
6684 KB |
Output is correct |
| 75 |
Correct |
59 ms |
6620 KB |
Output is correct |
| 76 |
Correct |
58 ms |
6704 KB |
Output is correct |
| 77 |
Correct |
58 ms |
6648 KB |
Output is correct |
| 78 |
Correct |
58 ms |
6672 KB |
Output is correct |
| 79 |
Correct |
58 ms |
6736 KB |
Output is correct |
| 80 |
Correct |
57 ms |
6704 KB |
Output is correct |
| 81 |
Correct |
59 ms |
6648 KB |
Output is correct |
| 82 |
Correct |
69 ms |
6648 KB |
Output is correct |
| 83 |
Correct |
58 ms |
6648 KB |
Output is correct |
| 84 |
Correct |
58 ms |
7008 KB |
Output is correct |
| 85 |
Correct |
58 ms |
7032 KB |
Output is correct |
| 86 |
Correct |
59 ms |
7800 KB |
Output is correct |
| 87 |
Correct |
60 ms |
7800 KB |
Output is correct |
| 88 |
Correct |
60 ms |
7800 KB |
Output is correct |
| 89 |
Correct |
59 ms |
7800 KB |
Output is correct |
| 90 |
Correct |
59 ms |
7800 KB |
Output is correct |
| 91 |
Correct |
59 ms |
7792 KB |
Output is correct |
| 92 |
Correct |
58 ms |
7892 KB |
Output is correct |
| 93 |
Correct |
59 ms |
7928 KB |
Output is correct |
| 94 |
Correct |
61 ms |
7672 KB |
Output is correct |
| 95 |
Correct |
59 ms |
7672 KB |
Output is correct |
| 96 |
Correct |
58 ms |
7492 KB |
Output is correct |
| 97 |
Correct |
57 ms |
7416 KB |
Output is correct |
| 98 |
Correct |
58 ms |
7388 KB |
Output is correct |
| 99 |
Correct |
58 ms |
7160 KB |
Output is correct |
| 100 |
Correct |
59 ms |
7336 KB |
Output is correct |
| 101 |
Correct |
57 ms |
7420 KB |
Output is correct |
| 102 |
Correct |
62 ms |
7416 KB |
Output is correct |
| 103 |
Correct |
58 ms |
7192 KB |
Output is correct |
