#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define pb push_back
#define ld long double
#define fi first
#define se second
#define ll long long
#define ss(x) (int) x.size()
#define mp make_pair
#define FOR(i, n) for(int i = 1; n >= i; ++i)
using namespace std;
using namespace __gnu_pbds;
const int nax = 2e5 + 5, inf = 1e9 + 1;
int n;
ll ans = 0;
int t[nax][2];
vector <int> v[2];
void add(int x, int y) {
int px = x, py = y;
if(y >= 2) {
ans += y - 2;
py = 2;
}
else {
ans += 1 - y;
py = 1;
}
if(x < 1) {
ans += 1 - x;
px = 1;
}
else if(x > n) {
ans += x - n;
px = n;
}
py--;
t[px][py]++;
//cout << x << " " << y << " " << px << " " << py << endl;
}
int main() {
cin.tie(0);
ios_base::sync_with_stdio(0);
cin >> n;
for(int i = 1; i <= 2 * n; ++i) {
int a, b;
cin >> a >> b;
add(a, b);
}
for(int i = 1; i <= n; ++i) {
v[0].pb(i);
v[1].pb(i);
for(int j = 0; j < 2; ++j) {
while(ss(v[j]) && t[i][j]) {
ans += i - v[j].back();
v[j].pop_back();
t[i][j]--;
}
}
for(int j = 0; j < 2; ++j) {
int neg = (j ^ 1);
while(ss(v[neg]) && t[i][j]) {
ans += i - v[neg].back() + 1;
v[neg].pop_back();
t[i][j]--;
}
}
for(int j = 0; j < 2; ++j) {
ans += t[i][j];
t[i + 1][j] += t[i][j];
}
}
cout << ans;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
2 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
384 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
2 ms |
384 KB |
Output is correct |
| 25 |
Correct |
2 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 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 |
384 KB |
Output is correct |
| 30 |
Correct |
2 ms |
384 KB |
Output is correct |
| 31 |
Correct |
2 ms |
384 KB |
Output is correct |
| 32 |
Correct |
2 ms |
384 KB |
Output is correct |
| 33 |
Correct |
2 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
2 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
384 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
2 ms |
384 KB |
Output is correct |
| 25 |
Correct |
2 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 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 |
384 KB |
Output is correct |
| 30 |
Correct |
2 ms |
384 KB |
Output is correct |
| 31 |
Correct |
2 ms |
384 KB |
Output is correct |
| 32 |
Correct |
2 ms |
384 KB |
Output is correct |
| 33 |
Correct |
2 ms |
332 KB |
Output is correct |
| 34 |
Correct |
2 ms |
384 KB |
Output is correct |
| 35 |
Correct |
3 ms |
384 KB |
Output is correct |
| 36 |
Correct |
2 ms |
384 KB |
Output is correct |
| 37 |
Correct |
2 ms |
384 KB |
Output is correct |
| 38 |
Correct |
2 ms |
384 KB |
Output is correct |
| 39 |
Correct |
2 ms |
384 KB |
Output is correct |
| 40 |
Correct |
2 ms |
384 KB |
Output is correct |
| 41 |
Correct |
2 ms |
380 KB |
Output is correct |
| 42 |
Correct |
3 ms |
384 KB |
Output is correct |
| 43 |
Correct |
3 ms |
384 KB |
Output is correct |
| 44 |
Correct |
3 ms |
384 KB |
Output is correct |
| 45 |
Correct |
3 ms |
384 KB |
Output is correct |
| 46 |
Correct |
3 ms |
384 KB |
Output is correct |
| 47 |
Correct |
3 ms |
384 KB |
Output is correct |
| 48 |
Correct |
3 ms |
384 KB |
Output is correct |
| 49 |
Correct |
3 ms |
384 KB |
Output is correct |
| 50 |
Correct |
2 ms |
384 KB |
Output is correct |
| 51 |
Correct |
3 ms |
384 KB |
Output is correct |
| 52 |
Correct |
2 ms |
384 KB |
Output is correct |
| 53 |
Correct |
2 ms |
384 KB |
Output is correct |
| 54 |
Correct |
3 ms |
384 KB |
Output is correct |
| 55 |
Correct |
2 ms |
384 KB |
Output is correct |
| 56 |
Correct |
2 ms |
384 KB |
Output is correct |
| 57 |
Correct |
2 ms |
384 KB |
Output is correct |
| 58 |
Correct |
2 ms |
384 KB |
Output is correct |
| 59 |
Correct |
2 ms |
384 KB |
Output is correct |
| 60 |
Correct |
3 ms |
384 KB |
Output is correct |
| 61 |
Correct |
3 ms |
384 KB |
Output is correct |
| 62 |
Correct |
3 ms |
384 KB |
Output is correct |
| 63 |
Correct |
3 ms |
384 KB |
Output is correct |
| 64 |
Correct |
3 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
2 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
384 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
2 ms |
384 KB |
Output is correct |
| 25 |
Correct |
2 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 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 |
384 KB |
Output is correct |
| 30 |
Correct |
2 ms |
384 KB |
Output is correct |
| 31 |
Correct |
2 ms |
384 KB |
Output is correct |
| 32 |
Correct |
2 ms |
384 KB |
Output is correct |
| 33 |
Correct |
2 ms |
332 KB |
Output is correct |
| 34 |
Correct |
2 ms |
384 KB |
Output is correct |
| 35 |
Correct |
3 ms |
384 KB |
Output is correct |
| 36 |
Correct |
2 ms |
384 KB |
Output is correct |
| 37 |
Correct |
2 ms |
384 KB |
Output is correct |
| 38 |
Correct |
2 ms |
384 KB |
Output is correct |
| 39 |
Correct |
2 ms |
384 KB |
Output is correct |
| 40 |
Correct |
2 ms |
384 KB |
Output is correct |
| 41 |
Correct |
2 ms |
380 KB |
Output is correct |
| 42 |
Correct |
3 ms |
384 KB |
Output is correct |
| 43 |
Correct |
3 ms |
384 KB |
Output is correct |
| 44 |
Correct |
3 ms |
384 KB |
Output is correct |
| 45 |
Correct |
3 ms |
384 KB |
Output is correct |
| 46 |
Correct |
3 ms |
384 KB |
Output is correct |
| 47 |
Correct |
3 ms |
384 KB |
Output is correct |
| 48 |
Correct |
3 ms |
384 KB |
Output is correct |
| 49 |
Correct |
3 ms |
384 KB |
Output is correct |
| 50 |
Correct |
2 ms |
384 KB |
Output is correct |
| 51 |
Correct |
3 ms |
384 KB |
Output is correct |
| 52 |
Correct |
2 ms |
384 KB |
Output is correct |
| 53 |
Correct |
2 ms |
384 KB |
Output is correct |
| 54 |
Correct |
3 ms |
384 KB |
Output is correct |
| 55 |
Correct |
2 ms |
384 KB |
Output is correct |
| 56 |
Correct |
2 ms |
384 KB |
Output is correct |
| 57 |
Correct |
2 ms |
384 KB |
Output is correct |
| 58 |
Correct |
2 ms |
384 KB |
Output is correct |
| 59 |
Correct |
2 ms |
384 KB |
Output is correct |
| 60 |
Correct |
3 ms |
384 KB |
Output is correct |
| 61 |
Correct |
3 ms |
384 KB |
Output is correct |
| 62 |
Correct |
3 ms |
384 KB |
Output is correct |
| 63 |
Correct |
3 ms |
384 KB |
Output is correct |
| 64 |
Correct |
3 ms |
384 KB |
Output is correct |
| 65 |
Correct |
54 ms |
2716 KB |
Output is correct |
| 66 |
Correct |
60 ms |
5940 KB |
Output is correct |
| 67 |
Correct |
57 ms |
4344 KB |
Output is correct |
| 68 |
Correct |
54 ms |
4344 KB |
Output is correct |
| 69 |
Correct |
55 ms |
4444 KB |
Output is correct |
| 70 |
Correct |
50 ms |
4368 KB |
Output is correct |
| 71 |
Correct |
49 ms |
4344 KB |
Output is correct |
| 72 |
Correct |
44 ms |
4852 KB |
Output is correct |
| 73 |
Correct |
45 ms |
5228 KB |
Output is correct |
| 74 |
Correct |
44 ms |
4504 KB |
Output is correct |
| 75 |
Correct |
47 ms |
4472 KB |
Output is correct |
| 76 |
Correct |
45 ms |
4600 KB |
Output is correct |
| 77 |
Correct |
46 ms |
4904 KB |
Output is correct |
| 78 |
Correct |
46 ms |
4600 KB |
Output is correct |
| 79 |
Correct |
45 ms |
4728 KB |
Output is correct |
| 80 |
Correct |
46 ms |
4852 KB |
Output is correct |
| 81 |
Correct |
45 ms |
4600 KB |
Output is correct |
| 82 |
Correct |
46 ms |
4472 KB |
Output is correct |
| 83 |
Correct |
44 ms |
4600 KB |
Output is correct |
| 84 |
Correct |
44 ms |
4344 KB |
Output is correct |
| 85 |
Correct |
45 ms |
4344 KB |
Output is correct |
| 86 |
Correct |
46 ms |
4472 KB |
Output is correct |
| 87 |
Correct |
45 ms |
4344 KB |
Output is correct |
| 88 |
Correct |
47 ms |
4404 KB |
Output is correct |
| 89 |
Correct |
48 ms |
4472 KB |
Output is correct |
| 90 |
Correct |
49 ms |
4344 KB |
Output is correct |
| 91 |
Correct |
53 ms |
4472 KB |
Output is correct |
| 92 |
Correct |
47 ms |
4472 KB |
Output is correct |
| 93 |
Correct |
46 ms |
4472 KB |
Output is correct |
| 94 |
Correct |
45 ms |
4236 KB |
Output is correct |
| 95 |
Correct |
45 ms |
4344 KB |
Output is correct |
| 96 |
Correct |
47 ms |
5108 KB |
Output is correct |
| 97 |
Correct |
47 ms |
5236 KB |
Output is correct |
| 98 |
Correct |
47 ms |
4472 KB |
Output is correct |
| 99 |
Correct |
48 ms |
4980 KB |
Output is correct |
| 100 |
Correct |
48 ms |
4772 KB |
Output is correct |
| 101 |
Correct |
47 ms |
5012 KB |
Output is correct |
| 102 |
Correct |
46 ms |
4628 KB |
Output is correct |
| 103 |
Correct |
48 ms |
4556 KB |
Output is correct |
