/// 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 << 1];
ll dst(pair <ll, ll> x, pair <ll, ll> y) {
return abs(x.f - y.f) + abs(x.s - y.s);
}
int cnt[N][3];
ll go1(int x, int y) {
ll mn = linf;
pair <int, int> go = {-1, -1};
rep(j, 1, 2) {
rep(i, 1, n) {
if (!cnt[i][j]) {
ll cur = dst({x, y}, {i, j});
if (cur < mn) {
mn = cur;
go = {i, j};
}
}
}
}
cnt[go.f][go.s]++;
return mn;
}
ll go2(int x, int y) {
ll mn = linf;
pair <int, int> go = {-1, -1};
per(j, 2, 1) {
rep(i, 1, n) {
if (!cnt[i][j]) {
ll cur = dst({x, y}, {i, j});
if (cur < mn) {
mn = cur;
go = {i, j};
}
}
}
}
cnt[go.f][go.s]++;
return mn;
}
ll fnd(int x, int y) {
ll mn = linf;
pair <int, int> go = {-1, -1};
rep(i, 1, n) {
rep(j, 1, 2) {
if (cnt[i][j] > 1) {
ll cur = dst({i, j}, {x, y});
if (cur < mn) {
mn = cur;
go = {i, j};
}
}
}
}
cnt[go.f][go.s]--;
return mn;
}
vector <int> em[3], fl[3];
ll calc(int v = 1) {
if (v > n) return 0;
ll res = 0;
rep(j, 1, 2) {
if (!cnt[v][j]) em[j].pb(v);
if (cnt[v][j] > 1) fl[j].pb(v);
}
rep(j, 1, 2) {
while (sz(em[j]) && cnt[v][j] > 1) {
int p = em[j].back();
if (!cnt[p][j]) {
cnt[v][j]--;
cnt[p][j]++;
res += v - p;
em[j].pp();
}
else em[j].pp();
}
/* per(p, v, 1) {
if (cnt[v][j] > 1 && !cnt[p][j]) {
cnt[v][j]--;
cnt[p][j]++;
res += v - p;
}
} */
}
rep(j, 1, 2) {
if (!cnt[v][j]) {
while (sz(fl[j])) {
int p = fl[j].back();
if (cnt[p][j] > 1) {
res += v - p;
cnt[p][j]--;
cnt[v][j]++;
if (cnt[p][j] == 1) fl[j].pp();
break;
}
else fl[j].pp();
}
}
}
rep(j, 1, 2) {
while (sz(em[3 - j]) && cnt[v][j] > 1) {
int p = em[3 - j].back();
if (!cnt[p][3 - j]) {
cnt[v][j]--;
cnt[p][3 - j]++;
res += v - p + 1;
em[3 - j].pp();
}
else em[3 - j].pp();
}
/* per(p, v, 1) {
if (cnt[v][j] > 1 && !cnt[p][3 - j]) {
cnt[v][j]--;
cnt[p][3 - j]++;
res += v - p + 1;
}
} */
}
rep(j, 1, 2) {
if (!cnt[v][j]) {
while (sz(fl[3 - j])) {
int p = fl[3 - j].back();
if (cnt[p][3 - j] > 1) {
res += v - p + 1;
cnt[p][3 - j]--;
cnt[v][j]++;
if (cnt[p][3 - j] == 1) fl[3 - j].pp();
break;
}
else fl[3 - j].pp();
}
/* per(p, v, 1) {
if (cnt[p][3 - j] > 1) {
res += v - p + 1;
cnt[p][3 - j]--;
cnt[v][j]++;
break;
}
} */
}
}
return res + calc(v + 1);
}
int main() {
#ifdef IOI
freopen ("in.txt", "r", stdin);
freopen ("D.out", "w", stdout);
#endif
Kazakhstan
cin >> n;
rep(i, 1, n << 1) {
cin >> a[i].f >> a[i].s;
}
sort (a + 1, a + n + n + 1);
ll ans = 0;
rep(i, 1, n << 1) {
ll mn = linf;
pair <int, int> go = {-1, -1};
rep(x, 1, n) {
rep(y, 1, 2) {
ll cur = dst(a[i], {x, y});
if (cur < mn) {
mn = cur;
go = {x, y};
}
}
}
ans += mn;
cnt[go.f][go.s]++;
// // cerr << a[i].f << ' ' << a[i].s << " -> " << go.f << ' ' << go.s << nl;
}
per(j, 2, 1) {
rep(i, 1, n) {
// cerr << cnt[i][j] << ' ';
}
// cerr << nl;
}
// cerr << ans << nl;
//// cerr << calc() << ' ' << ans <<nl;
cout << ans + calc();
per(j, 2, 1) {
rep(i, 1, n) {
// cerr << cnt[i][j] << ' ';
}
// cerr << nl;
}
// cerr << ans << nl;
ioi
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
380 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 |
2 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 |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
420 KB |
Output is correct |
24 |
Correct |
2 ms |
380 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 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 |
380 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
380 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 |
2 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 |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
420 KB |
Output is correct |
24 |
Correct |
2 ms |
380 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 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 |
380 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
6 ms |
504 KB |
Output is correct |
35 |
Correct |
6 ms |
504 KB |
Output is correct |
36 |
Correct |
6 ms |
504 KB |
Output is correct |
37 |
Correct |
7 ms |
504 KB |
Output is correct |
38 |
Correct |
6 ms |
504 KB |
Output is correct |
39 |
Correct |
6 ms |
504 KB |
Output is correct |
40 |
Correct |
6 ms |
504 KB |
Output is correct |
41 |
Correct |
6 ms |
504 KB |
Output is correct |
42 |
Correct |
6 ms |
504 KB |
Output is correct |
43 |
Correct |
6 ms |
504 KB |
Output is correct |
44 |
Correct |
6 ms |
504 KB |
Output is correct |
45 |
Correct |
6 ms |
504 KB |
Output is correct |
46 |
Correct |
6 ms |
504 KB |
Output is correct |
47 |
Correct |
7 ms |
504 KB |
Output is correct |
48 |
Correct |
6 ms |
456 KB |
Output is correct |
49 |
Correct |
7 ms |
504 KB |
Output is correct |
50 |
Correct |
7 ms |
504 KB |
Output is correct |
51 |
Correct |
6 ms |
504 KB |
Output is correct |
52 |
Correct |
7 ms |
504 KB |
Output is correct |
53 |
Correct |
7 ms |
504 KB |
Output is correct |
54 |
Correct |
7 ms |
504 KB |
Output is correct |
55 |
Correct |
7 ms |
504 KB |
Output is correct |
56 |
Correct |
6 ms |
504 KB |
Output is correct |
57 |
Correct |
6 ms |
504 KB |
Output is correct |
58 |
Correct |
6 ms |
504 KB |
Output is correct |
59 |
Correct |
6 ms |
504 KB |
Output is correct |
60 |
Correct |
6 ms |
504 KB |
Output is correct |
61 |
Correct |
6 ms |
504 KB |
Output is correct |
62 |
Correct |
6 ms |
504 KB |
Output is correct |
63 |
Correct |
6 ms |
632 KB |
Output is correct |
64 |
Correct |
6 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 |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
380 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 |
2 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 |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
420 KB |
Output is correct |
24 |
Correct |
2 ms |
380 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 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 |
380 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
6 ms |
504 KB |
Output is correct |
35 |
Correct |
6 ms |
504 KB |
Output is correct |
36 |
Correct |
6 ms |
504 KB |
Output is correct |
37 |
Correct |
7 ms |
504 KB |
Output is correct |
38 |
Correct |
6 ms |
504 KB |
Output is correct |
39 |
Correct |
6 ms |
504 KB |
Output is correct |
40 |
Correct |
6 ms |
504 KB |
Output is correct |
41 |
Correct |
6 ms |
504 KB |
Output is correct |
42 |
Correct |
6 ms |
504 KB |
Output is correct |
43 |
Correct |
6 ms |
504 KB |
Output is correct |
44 |
Correct |
6 ms |
504 KB |
Output is correct |
45 |
Correct |
6 ms |
504 KB |
Output is correct |
46 |
Correct |
6 ms |
504 KB |
Output is correct |
47 |
Correct |
7 ms |
504 KB |
Output is correct |
48 |
Correct |
6 ms |
456 KB |
Output is correct |
49 |
Correct |
7 ms |
504 KB |
Output is correct |
50 |
Correct |
7 ms |
504 KB |
Output is correct |
51 |
Correct |
6 ms |
504 KB |
Output is correct |
52 |
Correct |
7 ms |
504 KB |
Output is correct |
53 |
Correct |
7 ms |
504 KB |
Output is correct |
54 |
Correct |
7 ms |
504 KB |
Output is correct |
55 |
Correct |
7 ms |
504 KB |
Output is correct |
56 |
Correct |
6 ms |
504 KB |
Output is correct |
57 |
Correct |
6 ms |
504 KB |
Output is correct |
58 |
Correct |
6 ms |
504 KB |
Output is correct |
59 |
Correct |
6 ms |
504 KB |
Output is correct |
60 |
Correct |
6 ms |
504 KB |
Output is correct |
61 |
Correct |
6 ms |
504 KB |
Output is correct |
62 |
Correct |
6 ms |
504 KB |
Output is correct |
63 |
Correct |
6 ms |
632 KB |
Output is correct |
64 |
Correct |
6 ms |
504 KB |
Output is correct |
65 |
Execution timed out |
1065 ms |
5344 KB |
Time limit exceeded |
66 |
Halted |
0 ms |
0 KB |
- |