// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define sz(x) int(x.size())
using ll = long long;
template<class T> using V = vector<T>;
int main() {
cin.tie(0)->sync_with_stdio(0);
int N; cin >> N;
V<V<int>> A(2, V<int>(N, 0));
ll ans = 0;
for(int t = 0; t < 2*N; t++) {
int x, y; cin >> x >> y;
int r = (y >= 2 ? 1 : 0);
int c = min(max(1, x), N) - 1;
ans += abs((r + 1) - y);
ans += abs((c + 1) - x);
// cout << abs((r + 1) - y) + abs((c + 1) - x) << " " << r << " " << c << endl;
A[r][c]++;
}
// for(int r = 0; r < 2; r++) {
// for(int c = 0; c < N; c++) cout << A[r][c] << " ";
// cout << nl;
// }
// cout << ans << nl;
V<queue<array<int, 2>>> E(2), F(2); // EMPTY or FILLED
for(int i = 0; i < N; i++) {
for(int r = 0; r < 2; r++) {
if (A[r][i] > 1) while(A[r][i] > 1 && sz(E[r])) {
auto [pr, pc] = E[r].front(); E[r].pop();
// cout << pr << ", " << pc << " <-> " << r << ", " << i << endl;
ans += abs(r - pr) + abs(pc - i);
--A[r][i];
}
if (A[r][i] < 1) while(A[r][i] < 1 && sz(F[r])) {
auto [pr, pc] = F[r].front(); F[r].pop();
// cout << pr << ", " << pc << " <-> " << r << ", " << i << endl;
ans += abs(r - pr) + abs(pc - i);
A[r][i]++;
}
}
for(int r = 0; r < 2; r++) {
if (A[r][i] > 1) while(A[r][i] > 1 && sz(E[r^1])) {
auto [pr, pc] = E[r^1].front(); E[r^1].pop();
// cout << pr << ", " << pc << " <-> " << r << ", " << i << endl;
ans += abs(r - pr) + abs(pc - i);
--A[r][i];
}
if (A[r][i] < 1) while(A[r][i] < 1 && sz(F[r^1])) {
auto [pr, pc] = F[r^1].front(); F[r^1].pop();
// cout << pr << ", " << pc << " <-> " << r << ", " << i << endl;
ans += abs(r - pr) + abs(pc - i);
A[r][i]++;
}
for(int t = 0; t < abs(1 - A[r][i]); t++) {
if (A[r][i] < 1) E[r].push({r, i});
else F[r].push({r, i});
}
}
}
cout << ans << nl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
316 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
320 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
324 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
324 KB |
Output is correct |
27 |
Correct |
0 ms |
320 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
316 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
316 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
320 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
324 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
324 KB |
Output is correct |
27 |
Correct |
0 ms |
320 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
316 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
328 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 |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
332 KB |
Output is correct |
46 |
Correct |
1 ms |
340 KB |
Output is correct |
47 |
Correct |
1 ms |
288 KB |
Output is correct |
48 |
Correct |
1 ms |
352 KB |
Output is correct |
49 |
Correct |
1 ms |
340 KB |
Output is correct |
50 |
Correct |
1 ms |
340 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 |
332 KB |
Output is correct |
55 |
Correct |
1 ms |
340 KB |
Output is correct |
56 |
Correct |
1 ms |
340 KB |
Output is correct |
57 |
Correct |
1 ms |
340 KB |
Output is correct |
58 |
Correct |
1 ms |
340 KB |
Output is correct |
59 |
Correct |
1 ms |
332 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 |
340 KB |
Output is correct |
64 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
316 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
320 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
324 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
324 KB |
Output is correct |
27 |
Correct |
0 ms |
320 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
316 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
328 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 |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
332 KB |
Output is correct |
46 |
Correct |
1 ms |
340 KB |
Output is correct |
47 |
Correct |
1 ms |
288 KB |
Output is correct |
48 |
Correct |
1 ms |
352 KB |
Output is correct |
49 |
Correct |
1 ms |
340 KB |
Output is correct |
50 |
Correct |
1 ms |
340 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 |
332 KB |
Output is correct |
55 |
Correct |
1 ms |
340 KB |
Output is correct |
56 |
Correct |
1 ms |
340 KB |
Output is correct |
57 |
Correct |
1 ms |
340 KB |
Output is correct |
58 |
Correct |
1 ms |
340 KB |
Output is correct |
59 |
Correct |
1 ms |
332 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 |
340 KB |
Output is correct |
64 |
Correct |
1 ms |
340 KB |
Output is correct |
65 |
Correct |
21 ms |
2624 KB |
Output is correct |
66 |
Correct |
38 ms |
7368 KB |
Output is correct |
67 |
Correct |
41 ms |
4168 KB |
Output is correct |
68 |
Correct |
42 ms |
4284 KB |
Output is correct |
69 |
Correct |
33 ms |
4168 KB |
Output is correct |
70 |
Correct |
35 ms |
4284 KB |
Output is correct |
71 |
Correct |
34 ms |
4324 KB |
Output is correct |
72 |
Correct |
32 ms |
5328 KB |
Output is correct |
73 |
Correct |
32 ms |
5816 KB |
Output is correct |
74 |
Correct |
40 ms |
5200 KB |
Output is correct |
75 |
Correct |
33 ms |
4944 KB |
Output is correct |
76 |
Correct |
32 ms |
4936 KB |
Output is correct |
77 |
Correct |
32 ms |
4936 KB |
Output is correct |
78 |
Correct |
32 ms |
4928 KB |
Output is correct |
79 |
Correct |
32 ms |
4800 KB |
Output is correct |
80 |
Correct |
37 ms |
5188 KB |
Output is correct |
81 |
Correct |
32 ms |
5052 KB |
Output is correct |
82 |
Correct |
33 ms |
4416 KB |
Output is correct |
83 |
Correct |
32 ms |
4540 KB |
Output is correct |
84 |
Correct |
32 ms |
4540 KB |
Output is correct |
85 |
Correct |
37 ms |
4296 KB |
Output is correct |
86 |
Correct |
32 ms |
4292 KB |
Output is correct |
87 |
Correct |
33 ms |
4304 KB |
Output is correct |
88 |
Correct |
32 ms |
4288 KB |
Output is correct |
89 |
Correct |
33 ms |
4284 KB |
Output is correct |
90 |
Correct |
35 ms |
4168 KB |
Output is correct |
91 |
Correct |
34 ms |
4172 KB |
Output is correct |
92 |
Correct |
32 ms |
4296 KB |
Output is correct |
93 |
Correct |
32 ms |
4296 KB |
Output is correct |
94 |
Correct |
34 ms |
4164 KB |
Output is correct |
95 |
Correct |
33 ms |
4168 KB |
Output is correct |
96 |
Correct |
38 ms |
5312 KB |
Output is correct |
97 |
Correct |
32 ms |
5316 KB |
Output is correct |
98 |
Correct |
31 ms |
5068 KB |
Output is correct |
99 |
Correct |
32 ms |
5060 KB |
Output is correct |
100 |
Correct |
33 ms |
4792 KB |
Output is correct |
101 |
Correct |
32 ms |
5056 KB |
Output is correct |
102 |
Correct |
33 ms |
4932 KB |
Output is correct |
103 |
Correct |
32 ms |
5188 KB |
Output is correct |