#include "bits/stdc++.h"
using namespace std;
using ll = long long;
const ll inf = 1e9+5;
const int md1 = 1e9+7;
const int md2 = 998244353;
using vi = vector<int>;
using ai = array<int, 2>;
#define sz(v) ((int)v.size())
#define pb push_back
#define pry cout << "YES\n"
#define prn cout << "NO\n"
#define endl '\n'
#define fst first
#define scn second
/* #define ONPC */
const int N = 2e5+5;
int p[N<<1];
int
lb(int x, vi& v)
{
int l = 0, r = sz(v);
int mid;
while (l < r) {
mid = (l+r)>>1;
if (v[mid] > x)
r = mid;
else
l = mid+1;
}
return l-1;
}
int
getp(int x)
{
return p[x] = (x == p[x]) ? x : getp(p[x]);
}
ll
uni(int a, int b)
{
a = getp(a);
b = getp(b);
p[a] = b;
return (a!=b);
}
ll
plan_roller_coaster(vi s, vi t)
{
int n = sz(s);
vi nm;
for (int i = 0; i < n; ++i) nm.pb(s[i]);
for (int i = 0; i < n; ++i) nm.pb(t[i]);
nm.pb(0);
nm.pb(inf);
sort(nm.begin(), nm.end());
nm.resize(distance(nm.begin(), unique(nm.begin(), nm.end())));
vi qin, qot;
int pin, pot;
pin = pot = 0;
for (int i = 0; i < sz(nm); ++i) p[i] = i;
for (int i = 0; i < n; ++i) {
qin.pb(lb(s[i],nm));
qot.pb(lb(t[i],nm));
uni(lb(s[i], nm), lb(t[i], nm));
}
uni(0, sz(nm)-1);
/* for (int i = 0; i < 20; ++i) { */
/* cout << i << ": " << lb(i, nm) << endl; */
/* } */
qot.pb(0);
sort(qin.begin(), qin.end());
sort(qot.begin(), qot.end());
ll ans = 0;
for (int i = 0; i < sz(nm)-1; ++i) {
while (pin < sz(qin)) {
if (qin[pin] > i) break;
++pin;
}
while (pot < sz(qot)) {
if (qot[pot] > i) break;
++pot;
}
if (pot < pin) {
ans += ((ll) pin-pot) * ((ll) (nm[i+1]-nm[i]));
uni(i,i+1);
} else if (pot > pin) {
uni(i,i+1);
}
}
vector<ai> edg;
for (int i = 0; i < sz(nm)-1; ++i)
edg.pb({nm[i+1]-nm[i], i});
sort(edg.begin(), edg.end());
for (int i = 0; i < sz(edg); ++i) {
ans += uni(edg[i][1], edg[i][1]+1) * ((ll)edg[i][0]);
}
return ans;
}
#ifdef ONPC
void
solve()
{
int n;
cin >> n;
vi t(n), s(n);
for (int i = 0; i < n; ++i) cin >> s[i];
for (int i = 0; i < n; ++i) cin >> t[i];
cout << plan_roller_coaster(s,t) << endl;
}
int32_t
main(int argc, char **argv)
{
if (argc >= 2) {
freopen(argv[1], "r", stdin);
} else
ios_base::sync_with_stdio(0);cin.tie(0);
int t = 1;
/* cin >> t; */
while(t--)
solve();
}
#endif
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
n = 2 |
2 |
Correct |
1 ms |
212 KB |
n = 2 |
3 |
Correct |
0 ms |
212 KB |
n = 2 |
4 |
Correct |
1 ms |
212 KB |
n = 2 |
5 |
Correct |
1 ms |
212 KB |
n = 2 |
6 |
Correct |
1 ms |
212 KB |
n = 2 |
7 |
Correct |
1 ms |
308 KB |
n = 3 |
8 |
Correct |
1 ms |
212 KB |
n = 3 |
9 |
Correct |
1 ms |
212 KB |
n = 3 |
10 |
Correct |
1 ms |
212 KB |
n = 8 |
11 |
Correct |
1 ms |
312 KB |
n = 8 |
12 |
Correct |
1 ms |
308 KB |
n = 8 |
13 |
Correct |
1 ms |
212 KB |
n = 8 |
14 |
Correct |
1 ms |
212 KB |
n = 8 |
15 |
Correct |
1 ms |
212 KB |
n = 8 |
16 |
Correct |
1 ms |
212 KB |
n = 8 |
17 |
Correct |
1 ms |
212 KB |
n = 8 |
18 |
Correct |
1 ms |
212 KB |
n = 8 |
19 |
Correct |
1 ms |
212 KB |
n = 3 |
20 |
Correct |
1 ms |
308 KB |
n = 7 |
21 |
Correct |
1 ms |
212 KB |
n = 8 |
22 |
Correct |
2 ms |
212 KB |
n = 8 |
23 |
Correct |
1 ms |
212 KB |
n = 8 |
24 |
Correct |
1 ms |
308 KB |
n = 8 |
25 |
Correct |
1 ms |
316 KB |
n = 8 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
n = 2 |
2 |
Correct |
1 ms |
212 KB |
n = 2 |
3 |
Correct |
0 ms |
212 KB |
n = 2 |
4 |
Correct |
1 ms |
212 KB |
n = 2 |
5 |
Correct |
1 ms |
212 KB |
n = 2 |
6 |
Correct |
1 ms |
212 KB |
n = 2 |
7 |
Correct |
1 ms |
308 KB |
n = 3 |
8 |
Correct |
1 ms |
212 KB |
n = 3 |
9 |
Correct |
1 ms |
212 KB |
n = 3 |
10 |
Correct |
1 ms |
212 KB |
n = 8 |
11 |
Correct |
1 ms |
312 KB |
n = 8 |
12 |
Correct |
1 ms |
308 KB |
n = 8 |
13 |
Correct |
1 ms |
212 KB |
n = 8 |
14 |
Correct |
1 ms |
212 KB |
n = 8 |
15 |
Correct |
1 ms |
212 KB |
n = 8 |
16 |
Correct |
1 ms |
212 KB |
n = 8 |
17 |
Correct |
1 ms |
212 KB |
n = 8 |
18 |
Correct |
1 ms |
212 KB |
n = 8 |
19 |
Correct |
1 ms |
212 KB |
n = 3 |
20 |
Correct |
1 ms |
308 KB |
n = 7 |
21 |
Correct |
1 ms |
212 KB |
n = 8 |
22 |
Correct |
2 ms |
212 KB |
n = 8 |
23 |
Correct |
1 ms |
212 KB |
n = 8 |
24 |
Correct |
1 ms |
308 KB |
n = 8 |
25 |
Correct |
1 ms |
316 KB |
n = 8 |
26 |
Correct |
1 ms |
212 KB |
n = 8 |
27 |
Correct |
1 ms |
212 KB |
n = 8 |
28 |
Correct |
1 ms |
212 KB |
n = 8 |
29 |
Correct |
1 ms |
212 KB |
n = 16 |
30 |
Correct |
1 ms |
308 KB |
n = 16 |
31 |
Correct |
1 ms |
312 KB |
n = 16 |
32 |
Correct |
1 ms |
312 KB |
n = 16 |
33 |
Correct |
1 ms |
212 KB |
n = 16 |
34 |
Correct |
1 ms |
212 KB |
n = 16 |
35 |
Correct |
1 ms |
212 KB |
n = 16 |
36 |
Correct |
1 ms |
212 KB |
n = 15 |
37 |
Correct |
1 ms |
212 KB |
n = 8 |
38 |
Correct |
1 ms |
244 KB |
n = 16 |
39 |
Correct |
1 ms |
212 KB |
n = 16 |
40 |
Correct |
1 ms |
212 KB |
n = 9 |
41 |
Correct |
1 ms |
308 KB |
n = 16 |
42 |
Correct |
1 ms |
212 KB |
n = 16 |
43 |
Correct |
1 ms |
316 KB |
n = 16 |
44 |
Correct |
1 ms |
308 KB |
n = 9 |
45 |
Correct |
1 ms |
316 KB |
n = 15 |
46 |
Correct |
1 ms |
312 KB |
n = 16 |
47 |
Correct |
1 ms |
212 KB |
n = 16 |
48 |
Correct |
1 ms |
316 KB |
n = 16 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
391 ms |
14676 KB |
n = 199999 |
2 |
Correct |
380 ms |
14760 KB |
n = 199991 |
3 |
Correct |
344 ms |
14760 KB |
n = 199993 |
4 |
Correct |
252 ms |
12896 KB |
n = 152076 |
5 |
Correct |
167 ms |
7368 KB |
n = 93249 |
6 |
Correct |
310 ms |
14480 KB |
n = 199910 |
7 |
Correct |
311 ms |
14988 KB |
n = 199999 |
8 |
Correct |
292 ms |
14780 KB |
n = 199997 |
9 |
Correct |
305 ms |
13564 KB |
n = 171294 |
10 |
Correct |
227 ms |
12468 KB |
n = 140872 |
11 |
Correct |
307 ms |
14524 KB |
n = 199886 |
12 |
Correct |
365 ms |
18224 KB |
n = 199996 |
13 |
Correct |
317 ms |
17600 KB |
n = 200000 |
14 |
Correct |
332 ms |
18964 KB |
n = 199998 |
15 |
Correct |
357 ms |
18532 KB |
n = 200000 |
16 |
Correct |
329 ms |
18780 KB |
n = 199998 |
17 |
Correct |
334 ms |
20844 KB |
n = 200000 |
18 |
Correct |
303 ms |
18060 KB |
n = 190000 |
19 |
Correct |
281 ms |
19264 KB |
n = 177777 |
20 |
Correct |
148 ms |
9452 KB |
n = 100000 |
21 |
Correct |
324 ms |
18480 KB |
n = 200000 |
22 |
Correct |
321 ms |
18416 KB |
n = 200000 |
23 |
Correct |
307 ms |
18504 KB |
n = 200000 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
n = 2 |
2 |
Correct |
1 ms |
212 KB |
n = 2 |
3 |
Correct |
0 ms |
212 KB |
n = 2 |
4 |
Correct |
1 ms |
212 KB |
n = 2 |
5 |
Correct |
1 ms |
212 KB |
n = 2 |
6 |
Correct |
1 ms |
212 KB |
n = 2 |
7 |
Correct |
1 ms |
308 KB |
n = 3 |
8 |
Correct |
1 ms |
212 KB |
n = 3 |
9 |
Correct |
1 ms |
212 KB |
n = 3 |
10 |
Correct |
1 ms |
212 KB |
n = 8 |
11 |
Correct |
1 ms |
312 KB |
n = 8 |
12 |
Correct |
1 ms |
308 KB |
n = 8 |
13 |
Correct |
1 ms |
212 KB |
n = 8 |
14 |
Correct |
1 ms |
212 KB |
n = 8 |
15 |
Correct |
1 ms |
212 KB |
n = 8 |
16 |
Correct |
1 ms |
212 KB |
n = 8 |
17 |
Correct |
1 ms |
212 KB |
n = 8 |
18 |
Correct |
1 ms |
212 KB |
n = 8 |
19 |
Correct |
1 ms |
212 KB |
n = 3 |
20 |
Correct |
1 ms |
308 KB |
n = 7 |
21 |
Correct |
1 ms |
212 KB |
n = 8 |
22 |
Correct |
2 ms |
212 KB |
n = 8 |
23 |
Correct |
1 ms |
212 KB |
n = 8 |
24 |
Correct |
1 ms |
308 KB |
n = 8 |
25 |
Correct |
1 ms |
316 KB |
n = 8 |
26 |
Correct |
1 ms |
212 KB |
n = 8 |
27 |
Correct |
1 ms |
212 KB |
n = 8 |
28 |
Correct |
1 ms |
212 KB |
n = 8 |
29 |
Correct |
1 ms |
212 KB |
n = 16 |
30 |
Correct |
1 ms |
308 KB |
n = 16 |
31 |
Correct |
1 ms |
312 KB |
n = 16 |
32 |
Correct |
1 ms |
312 KB |
n = 16 |
33 |
Correct |
1 ms |
212 KB |
n = 16 |
34 |
Correct |
1 ms |
212 KB |
n = 16 |
35 |
Correct |
1 ms |
212 KB |
n = 16 |
36 |
Correct |
1 ms |
212 KB |
n = 15 |
37 |
Correct |
1 ms |
212 KB |
n = 8 |
38 |
Correct |
1 ms |
244 KB |
n = 16 |
39 |
Correct |
1 ms |
212 KB |
n = 16 |
40 |
Correct |
1 ms |
212 KB |
n = 9 |
41 |
Correct |
1 ms |
308 KB |
n = 16 |
42 |
Correct |
1 ms |
212 KB |
n = 16 |
43 |
Correct |
1 ms |
316 KB |
n = 16 |
44 |
Correct |
1 ms |
308 KB |
n = 9 |
45 |
Correct |
1 ms |
316 KB |
n = 15 |
46 |
Correct |
1 ms |
312 KB |
n = 16 |
47 |
Correct |
1 ms |
212 KB |
n = 16 |
48 |
Correct |
1 ms |
316 KB |
n = 16 |
49 |
Correct |
391 ms |
14676 KB |
n = 199999 |
50 |
Correct |
380 ms |
14760 KB |
n = 199991 |
51 |
Correct |
344 ms |
14760 KB |
n = 199993 |
52 |
Correct |
252 ms |
12896 KB |
n = 152076 |
53 |
Correct |
167 ms |
7368 KB |
n = 93249 |
54 |
Correct |
310 ms |
14480 KB |
n = 199910 |
55 |
Correct |
311 ms |
14988 KB |
n = 199999 |
56 |
Correct |
292 ms |
14780 KB |
n = 199997 |
57 |
Correct |
305 ms |
13564 KB |
n = 171294 |
58 |
Correct |
227 ms |
12468 KB |
n = 140872 |
59 |
Correct |
307 ms |
14524 KB |
n = 199886 |
60 |
Correct |
365 ms |
18224 KB |
n = 199996 |
61 |
Correct |
317 ms |
17600 KB |
n = 200000 |
62 |
Correct |
332 ms |
18964 KB |
n = 199998 |
63 |
Correct |
357 ms |
18532 KB |
n = 200000 |
64 |
Correct |
329 ms |
18780 KB |
n = 199998 |
65 |
Correct |
334 ms |
20844 KB |
n = 200000 |
66 |
Correct |
303 ms |
18060 KB |
n = 190000 |
67 |
Correct |
281 ms |
19264 KB |
n = 177777 |
68 |
Correct |
148 ms |
9452 KB |
n = 100000 |
69 |
Correct |
324 ms |
18480 KB |
n = 200000 |
70 |
Correct |
321 ms |
18416 KB |
n = 200000 |
71 |
Correct |
307 ms |
18504 KB |
n = 200000 |
72 |
Correct |
323 ms |
18528 KB |
n = 200000 |
73 |
Correct |
414 ms |
18428 KB |
n = 200000 |
74 |
Correct |
362 ms |
18508 KB |
n = 200000 |
75 |
Correct |
334 ms |
18436 KB |
n = 200000 |
76 |
Correct |
323 ms |
18488 KB |
n = 200000 |
77 |
Correct |
282 ms |
17516 KB |
n = 200000 |
78 |
Correct |
251 ms |
15168 KB |
n = 200000 |
79 |
Correct |
282 ms |
17520 KB |
n = 184307 |
80 |
Correct |
115 ms |
8056 KB |
n = 76040 |
81 |
Correct |
294 ms |
17132 KB |
n = 199981 |
82 |
Correct |
295 ms |
18288 KB |
n = 199994 |
83 |
Correct |
303 ms |
17620 KB |
n = 199996 |
84 |
Correct |
300 ms |
18960 KB |
n = 199998 |
85 |
Correct |
287 ms |
18452 KB |
n = 200000 |
86 |
Correct |
368 ms |
18796 KB |
n = 199998 |
87 |
Correct |
300 ms |
20808 KB |
n = 200000 |
88 |
Correct |
326 ms |
18988 KB |
n = 200000 |
89 |
Correct |
281 ms |
20864 KB |
n = 200000 |
90 |
Correct |
318 ms |
18516 KB |
n = 200000 |
91 |
Correct |
302 ms |
18508 KB |
n = 200000 |
92 |
Correct |
299 ms |
18444 KB |
n = 200000 |