#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int, int> pii;
const int MXN = 200005;
int N, n, ans, c[MXN][2];
pii a[MXN];
int DIS(pii &a, pii &b) {
return abs(a.first - b.first) + abs(a.second - b.second);
}
void PUT(int id) {
pii tr;
tr.second = (a[id].second >= 2 ? 2 : 1);
if (1 <= a[id].first && a[id].first <= n) tr.first = a[id].first;
else tr.first = (a[id].first < 1 ? 1 : n);
c[tr.first][tr.second - 1]++;
ans += DIS(tr, a[id]);
}
void SOLVE() {
// int up = 0, down = 0;
// for (int i = 1; i <= n; i++) {
// up += c[i][1];
// down += c[i][0];
// }
// ans += abs(n - up);
// int left = 0, right = N;
// for (int i = 1; i < n; i++) {
// left += (c[i][0] + c[i][1]);
// right -= (c[i][0] + c[i][1]);
// ans += abs(i * 2 - left);
// }
for (int i = 1; i <= n; i++) {
c[i][0]--;
c[i][1]--;
// cout << c[i][0] << ' ' << c[i][1] << endl;
if ((c[i][0] > 0) ^ (c[i][1] > 0)) {
if (abs(c[i][0]) > abs(c[i][1])) {
ans += abs(c[i][1]);
c[i][0] = c[i][0] / abs(c[i][0]) * abs(c[i][0] + c[i][1]);
c[i][1] = 0;
} else {
ans += abs(c[i][0]);
c[i][1] = c[i][1] / abs(c[i][1]) * abs(c[i][1] + c[i][0]);
c[i][0] = 0;
}
}
ans += abs(c[i][0]) + abs(c[i][1]);
// cout << c[i][0] << ' ' << c[i][1] << endl;
c[i + 1][0] += c[i][0];
c[i + 1][1] += c[i][1];
}
}
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n;
N = n * 2;
for (int i = 0; i < N; i++) {
cin >> a[i].first >> a[i].second;
PUT(i);
}
// for (int j = 1; j >= 0; j--) {
// for (int i = 1; i <= n; i++) {
// cout << c[i][j] << ' ';
// }
// cout << endl;
// }
SOLVE();
cout << ans << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
328 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
320 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
328 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
320 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
336 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
344 KB |
Output is correct |
37 |
Correct |
1 ms |
468 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
392 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
344 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
1 ms |
344 KB |
Output is correct |
45 |
Correct |
1 ms |
340 KB |
Output is correct |
46 |
Correct |
1 ms |
336 KB |
Output is correct |
47 |
Correct |
1 ms |
340 KB |
Output is correct |
48 |
Correct |
1 ms |
344 KB |
Output is correct |
49 |
Correct |
1 ms |
344 KB |
Output is correct |
50 |
Correct |
2 ms |
344 KB |
Output is correct |
51 |
Correct |
1 ms |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
1 ms |
416 KB |
Output is correct |
55 |
Correct |
1 ms |
348 KB |
Output is correct |
56 |
Correct |
1 ms |
392 KB |
Output is correct |
57 |
Correct |
1 ms |
340 KB |
Output is correct |
58 |
Correct |
1 ms |
344 KB |
Output is correct |
59 |
Correct |
1 ms |
340 KB |
Output is correct |
60 |
Correct |
1 ms |
340 KB |
Output is correct |
61 |
Correct |
1 ms |
340 KB |
Output is correct |
62 |
Correct |
1 ms |
340 KB |
Output is correct |
63 |
Correct |
1 ms |
344 KB |
Output is correct |
64 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
328 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
320 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
336 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
344 KB |
Output is correct |
37 |
Correct |
1 ms |
468 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
392 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
344 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
1 ms |
344 KB |
Output is correct |
45 |
Correct |
1 ms |
340 KB |
Output is correct |
46 |
Correct |
1 ms |
336 KB |
Output is correct |
47 |
Correct |
1 ms |
340 KB |
Output is correct |
48 |
Correct |
1 ms |
344 KB |
Output is correct |
49 |
Correct |
1 ms |
344 KB |
Output is correct |
50 |
Correct |
2 ms |
344 KB |
Output is correct |
51 |
Correct |
1 ms |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
1 ms |
416 KB |
Output is correct |
55 |
Correct |
1 ms |
348 KB |
Output is correct |
56 |
Correct |
1 ms |
392 KB |
Output is correct |
57 |
Correct |
1 ms |
340 KB |
Output is correct |
58 |
Correct |
1 ms |
344 KB |
Output is correct |
59 |
Correct |
1 ms |
340 KB |
Output is correct |
60 |
Correct |
1 ms |
340 KB |
Output is correct |
61 |
Correct |
1 ms |
340 KB |
Output is correct |
62 |
Correct |
1 ms |
340 KB |
Output is correct |
63 |
Correct |
1 ms |
344 KB |
Output is correct |
64 |
Correct |
1 ms |
340 KB |
Output is correct |
65 |
Correct |
34 ms |
6460 KB |
Output is correct |
66 |
Correct |
59 ms |
9676 KB |
Output is correct |
67 |
Correct |
49 ms |
8068 KB |
Output is correct |
68 |
Correct |
43 ms |
8132 KB |
Output is correct |
69 |
Correct |
43 ms |
8140 KB |
Output is correct |
70 |
Correct |
63 ms |
8196 KB |
Output is correct |
71 |
Correct |
49 ms |
8104 KB |
Output is correct |
72 |
Correct |
41 ms |
8104 KB |
Output is correct |
73 |
Correct |
41 ms |
8100 KB |
Output is correct |
74 |
Correct |
42 ms |
8164 KB |
Output is correct |
75 |
Correct |
47 ms |
8116 KB |
Output is correct |
76 |
Correct |
44 ms |
8180 KB |
Output is correct |
77 |
Correct |
39 ms |
8092 KB |
Output is correct |
78 |
Correct |
42 ms |
8184 KB |
Output is correct |
79 |
Correct |
40 ms |
8200 KB |
Output is correct |
80 |
Correct |
45 ms |
8192 KB |
Output is correct |
81 |
Correct |
42 ms |
8140 KB |
Output is correct |
82 |
Correct |
38 ms |
8132 KB |
Output is correct |
83 |
Correct |
39 ms |
8216 KB |
Output is correct |
84 |
Correct |
39 ms |
8220 KB |
Output is correct |
85 |
Correct |
41 ms |
8172 KB |
Output is correct |
86 |
Correct |
48 ms |
8108 KB |
Output is correct |
87 |
Correct |
51 ms |
8168 KB |
Output is correct |
88 |
Correct |
41 ms |
8068 KB |
Output is correct |
89 |
Correct |
43 ms |
8140 KB |
Output is correct |
90 |
Correct |
43 ms |
8108 KB |
Output is correct |
91 |
Correct |
53 ms |
8088 KB |
Output is correct |
92 |
Correct |
52 ms |
8216 KB |
Output is correct |
93 |
Correct |
50 ms |
8280 KB |
Output is correct |
94 |
Correct |
47 ms |
8012 KB |
Output is correct |
95 |
Correct |
44 ms |
8012 KB |
Output is correct |
96 |
Correct |
44 ms |
8204 KB |
Output is correct |
97 |
Correct |
59 ms |
8228 KB |
Output is correct |
98 |
Correct |
52 ms |
8120 KB |
Output is correct |
99 |
Correct |
40 ms |
8112 KB |
Output is correct |
100 |
Correct |
44 ms |
8132 KB |
Output is correct |
101 |
Correct |
44 ms |
8160 KB |
Output is correct |
102 |
Correct |
41 ms |
8108 KB |
Output is correct |
103 |
Correct |
44 ms |
8180 KB |
Output is correct |