#include <bits/stdc++.h>
using namespace std;
const int DIM = 100005;
int cnt[DIM][3];
vector<int> qry[3], bal[3];
int main(void) {
#ifdef HOME
freopen("coins.in", "r", stdin);
freopen("coins.out", "w", stdout);
#endif
int n; cin >> n;
long long ans = 0;
for (int i = 1; i <= n * 2; ++i) {
int x, y; cin >> x >> y;
if (x < 1) { ans += 1 - x; x = 1; }
if (x > n) { ans += x - n; x = n; }
if (y < 1) { ans += 1 - y; y = 1; }
if (y > 2) { ans += y - 2; y = 2; }
++cnt[x][y]; }
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= 2; ++j) {
qry[j].push_back(i);
for (; cnt[i][j]; --cnt[i][j]) {
bal[j].push_back(i); } }
// solve as many columns with balls placed on the same line
for (int j = 1; j <= 2; ++j) {
while (qry[j].size() and bal[j].size()) {
int p1 = qry[j].back(), p2 = bal[j].back();
qry[j].pop_back(); bal[j].pop_back(); ans += abs(p1 - p2); } }
// solve as many columns with balls placed on the opposite line
for (int j = 1; j <= 2; ++j) {
while (qry[j].size() and bal[3 - j].size()) {
int p1 = qry[j].back(), p2 = bal[3 - j].back();
qry[j].pop_back(); bal[3 - j].pop_back(); ans += abs(p1 - p2) + 1; } } }
cout << ans << endl;
return 0; }
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
256 KB |
Output is correct |
6 |
Correct |
3 ms |
256 KB |
Output is correct |
7 |
Correct |
3 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
3 ms |
256 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
3 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
3 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
256 KB |
Output is correct |
23 |
Correct |
2 ms |
256 KB |
Output is correct |
24 |
Correct |
2 ms |
256 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
256 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
256 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
256 KB |
Output is correct |
6 |
Correct |
3 ms |
256 KB |
Output is correct |
7 |
Correct |
3 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
3 ms |
256 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
3 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
3 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
256 KB |
Output is correct |
23 |
Correct |
2 ms |
256 KB |
Output is correct |
24 |
Correct |
2 ms |
256 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
256 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
256 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
3 ms |
384 KB |
Output is correct |
34 |
Correct |
3 ms |
384 KB |
Output is correct |
35 |
Correct |
5 ms |
384 KB |
Output is correct |
36 |
Correct |
3 ms |
384 KB |
Output is correct |
37 |
Correct |
4 ms |
384 KB |
Output is correct |
38 |
Correct |
4 ms |
384 KB |
Output is correct |
39 |
Correct |
3 ms |
384 KB |
Output is correct |
40 |
Correct |
4 ms |
384 KB |
Output is correct |
41 |
Correct |
3 ms |
384 KB |
Output is correct |
42 |
Correct |
4 ms |
384 KB |
Output is correct |
43 |
Correct |
4 ms |
384 KB |
Output is correct |
44 |
Correct |
6 ms |
384 KB |
Output is correct |
45 |
Correct |
5 ms |
384 KB |
Output is correct |
46 |
Correct |
4 ms |
360 KB |
Output is correct |
47 |
Correct |
5 ms |
384 KB |
Output is correct |
48 |
Correct |
4 ms |
384 KB |
Output is correct |
49 |
Correct |
4 ms |
384 KB |
Output is correct |
50 |
Correct |
4 ms |
304 KB |
Output is correct |
51 |
Correct |
5 ms |
384 KB |
Output is correct |
52 |
Correct |
4 ms |
384 KB |
Output is correct |
53 |
Correct |
4 ms |
384 KB |
Output is correct |
54 |
Correct |
4 ms |
384 KB |
Output is correct |
55 |
Correct |
4 ms |
384 KB |
Output is correct |
56 |
Correct |
4 ms |
384 KB |
Output is correct |
57 |
Correct |
5 ms |
384 KB |
Output is correct |
58 |
Correct |
4 ms |
384 KB |
Output is correct |
59 |
Correct |
5 ms |
384 KB |
Output is correct |
60 |
Correct |
5 ms |
384 KB |
Output is correct |
61 |
Correct |
4 ms |
384 KB |
Output is correct |
62 |
Correct |
3 ms |
412 KB |
Output is correct |
63 |
Correct |
5 ms |
384 KB |
Output is correct |
64 |
Correct |
5 ms |
460 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
256 KB |
Output is correct |
6 |
Correct |
3 ms |
256 KB |
Output is correct |
7 |
Correct |
3 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
3 ms |
256 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
3 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
3 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
256 KB |
Output is correct |
23 |
Correct |
2 ms |
256 KB |
Output is correct |
24 |
Correct |
2 ms |
256 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
256 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
256 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
3 ms |
384 KB |
Output is correct |
34 |
Correct |
3 ms |
384 KB |
Output is correct |
35 |
Correct |
5 ms |
384 KB |
Output is correct |
36 |
Correct |
3 ms |
384 KB |
Output is correct |
37 |
Correct |
4 ms |
384 KB |
Output is correct |
38 |
Correct |
4 ms |
384 KB |
Output is correct |
39 |
Correct |
3 ms |
384 KB |
Output is correct |
40 |
Correct |
4 ms |
384 KB |
Output is correct |
41 |
Correct |
3 ms |
384 KB |
Output is correct |
42 |
Correct |
4 ms |
384 KB |
Output is correct |
43 |
Correct |
4 ms |
384 KB |
Output is correct |
44 |
Correct |
6 ms |
384 KB |
Output is correct |
45 |
Correct |
5 ms |
384 KB |
Output is correct |
46 |
Correct |
4 ms |
360 KB |
Output is correct |
47 |
Correct |
5 ms |
384 KB |
Output is correct |
48 |
Correct |
4 ms |
384 KB |
Output is correct |
49 |
Correct |
4 ms |
384 KB |
Output is correct |
50 |
Correct |
4 ms |
304 KB |
Output is correct |
51 |
Correct |
5 ms |
384 KB |
Output is correct |
52 |
Correct |
4 ms |
384 KB |
Output is correct |
53 |
Correct |
4 ms |
384 KB |
Output is correct |
54 |
Correct |
4 ms |
384 KB |
Output is correct |
55 |
Correct |
4 ms |
384 KB |
Output is correct |
56 |
Correct |
4 ms |
384 KB |
Output is correct |
57 |
Correct |
5 ms |
384 KB |
Output is correct |
58 |
Correct |
4 ms |
384 KB |
Output is correct |
59 |
Correct |
5 ms |
384 KB |
Output is correct |
60 |
Correct |
5 ms |
384 KB |
Output is correct |
61 |
Correct |
4 ms |
384 KB |
Output is correct |
62 |
Correct |
3 ms |
412 KB |
Output is correct |
63 |
Correct |
5 ms |
384 KB |
Output is correct |
64 |
Correct |
5 ms |
460 KB |
Output is correct |
65 |
Correct |
139 ms |
2936 KB |
Output is correct |
66 |
Correct |
236 ms |
6080 KB |
Output is correct |
67 |
Correct |
238 ms |
4600 KB |
Output is correct |
68 |
Correct |
167 ms |
4600 KB |
Output is correct |
69 |
Correct |
185 ms |
4600 KB |
Output is correct |
70 |
Correct |
173 ms |
4580 KB |
Output is correct |
71 |
Correct |
267 ms |
4600 KB |
Output is correct |
72 |
Correct |
154 ms |
5028 KB |
Output is correct |
73 |
Correct |
178 ms |
5360 KB |
Output is correct |
74 |
Correct |
212 ms |
4252 KB |
Output is correct |
75 |
Correct |
188 ms |
4084 KB |
Output is correct |
76 |
Correct |
193 ms |
4344 KB |
Output is correct |
77 |
Correct |
184 ms |
4272 KB |
Output is correct |
78 |
Correct |
189 ms |
4216 KB |
Output is correct |
79 |
Correct |
180 ms |
4084 KB |
Output is correct |
80 |
Correct |
195 ms |
4212 KB |
Output is correct |
81 |
Correct |
156 ms |
4280 KB |
Output is correct |
82 |
Correct |
160 ms |
3864 KB |
Output is correct |
83 |
Correct |
160 ms |
3960 KB |
Output is correct |
84 |
Correct |
178 ms |
4084 KB |
Output is correct |
85 |
Correct |
208 ms |
3836 KB |
Output is correct |
86 |
Correct |
206 ms |
4600 KB |
Output is correct |
87 |
Correct |
200 ms |
4728 KB |
Output is correct |
88 |
Correct |
177 ms |
4600 KB |
Output is correct |
89 |
Correct |
212 ms |
4728 KB |
Output is correct |
90 |
Correct |
213 ms |
4600 KB |
Output is correct |
91 |
Correct |
215 ms |
4592 KB |
Output is correct |
92 |
Correct |
211 ms |
4728 KB |
Output is correct |
93 |
Correct |
237 ms |
4712 KB |
Output is correct |
94 |
Correct |
202 ms |
4600 KB |
Output is correct |
95 |
Correct |
181 ms |
4468 KB |
Output is correct |
96 |
Correct |
191 ms |
6256 KB |
Output is correct |
97 |
Correct |
209 ms |
6100 KB |
Output is correct |
98 |
Correct |
172 ms |
5016 KB |
Output is correct |
99 |
Correct |
210 ms |
5096 KB |
Output is correct |
100 |
Correct |
175 ms |
5240 KB |
Output is correct |
101 |
Correct |
162 ms |
5496 KB |
Output is correct |
102 |
Correct |
174 ms |
4920 KB |
Output is correct |
103 |
Correct |
196 ms |
4968 KB |
Output is correct |