#include <bits/stdc++.h>
using namespace std;
#define int long long
mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());
void Solve()
{
int n;
cin >> n;
vector<vector<int> > cnt(n + 2, vector<int> (3, -1));
int ans = 0;
for(int i = 1; i <= n * 2; i++)
{
int x, y;
cin >> x >> y;
if(x <= 0)
{
ans += 1 - x;
x = 1;
}
if(x > n)
{
ans += x - n;
x = n;
}
if(y <= 0)
{
ans += 1 - y;
y = 1;
}
if(y > 2)
{
ans += y - 2;
y = 2;
}
cnt[x][y]++;
}
for(int i = 1; i <= n; i++)
{
if(cnt[i][1] < 0 && cnt[i][2] > 0)
{
int diff = min(-cnt[i][1], cnt[i][2]);
ans += diff;
cnt[i][1] += diff;
cnt[i][2] -= diff;
}
if(cnt[i][1] > 0 && cnt[i][2] < 0)
{
int diff = min(cnt[i][1], -cnt[i][2]);
ans += diff;
cnt[i][1] -= diff;
cnt[i][2] += diff;
}
ans += abs(cnt[i][1]) + abs(cnt[i][2]);
cnt[i + 1][1] += cnt[i][1];
cnt[i + 1][2] += cnt[i][2];
}
cout << ans << "\n";
}
int32_t main()
{
auto begin = std::chrono::high_resolution_clock::now();
ios_base::sync_with_stdio(0);
cin.tie(0);
int t = 1;
// cin >> t;
for(int i = 1; i <= t; i++)
{
//cout << "Case #" << i << ": ";
Solve();
}
auto end = std::chrono::high_resolution_clock::now();
auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
324 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 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 |
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 |
1 ms |
324 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
320 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 |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
324 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 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 |
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 |
1 ms |
324 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
320 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 |
340 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
2 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
408 KB |
Output is correct |
| 38 |
Correct |
2 ms |
388 KB |
Output is correct |
| 39 |
Correct |
2 ms |
412 KB |
Output is correct |
| 40 |
Correct |
1 ms |
412 KB |
Output is correct |
| 41 |
Correct |
2 ms |
340 KB |
Output is correct |
| 42 |
Correct |
1 ms |
336 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 |
340 KB |
Output is correct |
| 46 |
Correct |
1 ms |
340 KB |
Output is correct |
| 47 |
Correct |
1 ms |
332 KB |
Output is correct |
| 48 |
Correct |
1 ms |
340 KB |
Output is correct |
| 49 |
Correct |
1 ms |
340 KB |
Output is correct |
| 50 |
Correct |
2 ms |
404 KB |
Output is correct |
| 51 |
Correct |
2 ms |
408 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 |
340 KB |
Output is correct |
| 55 |
Correct |
2 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 |
416 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 |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
324 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 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 |
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 |
1 ms |
324 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
320 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 |
340 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
2 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
408 KB |
Output is correct |
| 38 |
Correct |
2 ms |
388 KB |
Output is correct |
| 39 |
Correct |
2 ms |
412 KB |
Output is correct |
| 40 |
Correct |
1 ms |
412 KB |
Output is correct |
| 41 |
Correct |
2 ms |
340 KB |
Output is correct |
| 42 |
Correct |
1 ms |
336 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 |
340 KB |
Output is correct |
| 46 |
Correct |
1 ms |
340 KB |
Output is correct |
| 47 |
Correct |
1 ms |
332 KB |
Output is correct |
| 48 |
Correct |
1 ms |
340 KB |
Output is correct |
| 49 |
Correct |
1 ms |
340 KB |
Output is correct |
| 50 |
Correct |
2 ms |
404 KB |
Output is correct |
| 51 |
Correct |
2 ms |
408 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 |
340 KB |
Output is correct |
| 55 |
Correct |
2 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 |
416 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 |
336 KB |
Output is correct |
| 65 |
Correct |
50 ms |
7320 KB |
Output is correct |
| 66 |
Correct |
72 ms |
8576 KB |
Output is correct |
| 67 |
Correct |
96 ms |
8524 KB |
Output is correct |
| 68 |
Correct |
67 ms |
8532 KB |
Output is correct |
| 69 |
Correct |
71 ms |
8492 KB |
Output is correct |
| 70 |
Correct |
65 ms |
8524 KB |
Output is correct |
| 71 |
Correct |
86 ms |
8496 KB |
Output is correct |
| 72 |
Correct |
48 ms |
8500 KB |
Output is correct |
| 73 |
Correct |
47 ms |
8568 KB |
Output is correct |
| 74 |
Correct |
52 ms |
8488 KB |
Output is correct |
| 75 |
Correct |
47 ms |
8516 KB |
Output is correct |
| 76 |
Correct |
48 ms |
8652 KB |
Output is correct |
| 77 |
Correct |
58 ms |
8608 KB |
Output is correct |
| 78 |
Correct |
59 ms |
8588 KB |
Output is correct |
| 79 |
Correct |
49 ms |
8592 KB |
Output is correct |
| 80 |
Correct |
46 ms |
8508 KB |
Output is correct |
| 81 |
Correct |
50 ms |
8528 KB |
Output is correct |
| 82 |
Correct |
56 ms |
8528 KB |
Output is correct |
| 83 |
Correct |
50 ms |
8528 KB |
Output is correct |
| 84 |
Correct |
65 ms |
8608 KB |
Output is correct |
| 85 |
Correct |
52 ms |
8540 KB |
Output is correct |
| 86 |
Correct |
50 ms |
8512 KB |
Output is correct |
| 87 |
Correct |
50 ms |
8548 KB |
Output is correct |
| 88 |
Correct |
57 ms |
8596 KB |
Output is correct |
| 89 |
Correct |
75 ms |
8588 KB |
Output is correct |
| 90 |
Correct |
68 ms |
8528 KB |
Output is correct |
| 91 |
Correct |
59 ms |
8580 KB |
Output is correct |
| 92 |
Correct |
60 ms |
8564 KB |
Output is correct |
| 93 |
Correct |
55 ms |
8588 KB |
Output is correct |
| 94 |
Correct |
59 ms |
8540 KB |
Output is correct |
| 95 |
Correct |
87 ms |
8528 KB |
Output is correct |
| 96 |
Correct |
58 ms |
8576 KB |
Output is correct |
| 97 |
Correct |
48 ms |
8528 KB |
Output is correct |
| 98 |
Correct |
57 ms |
8572 KB |
Output is correct |
| 99 |
Correct |
51 ms |
8580 KB |
Output is correct |
| 100 |
Correct |
58 ms |
8488 KB |
Output is correct |
| 101 |
Correct |
57 ms |
8524 KB |
Output is correct |
| 102 |
Correct |
75 ms |
8596 KB |
Output is correct |
| 103 |
Correct |
69 ms |
8596 KB |
Output is correct |
