#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pll;
#define fastio ios::sync_with_stdio(false), cin.tie(0)
// #pragma GCC optimize("Ofast")
#define pb push_back
#define eb emplace_back
#define f first
#define s second
#define lowbit(x) x&-x
const int maxn = 1e5 + 5;
const int INF = 1e9;
const double eps = 1e-7;
int cnt[maxn][2];
int main(void){
fastio;
int n;
cin>>n;
ll ans = 0;
for(int i = 0; i < 2 * n; i++){
int x, y;
cin>>x>>y;
x--, y--;
if(y >= 1) ans += y - 1, y = 1;
else ans += -y, y = 0;
if(x >= n - 1) ans += x - n + 1, x = n - 1;
else if(x < 0) ans += -x, x = 0;
cnt[x][y]++;
}
for(int j = 0; j < 2; j++){
for(int i = 0; i < n; i++) cnt[i][j] -= 1;
}
vector<int> dist(2), cur(2);
//see operations as moving boxed
for(int i = 0; i < n; i++){
ans += abs(cur[0]) + abs(cur[1]);
cur[0] += cnt[i][0], cur[1] += cnt[i][1];
if(cur[0] > 0 && cur[1] < 0){
int trade = min(cur[0], -cur[1]);
ans += trade;
cur[0] -= trade, cur[1] += trade;
}
if(cur[1] > 0 && cur[0] < 0){
int trade = min(-cur[0], cur[1]);
ans += trade;
cur[0] += trade, cur[1] -= trade;
}
}
cout<<ans<<"\n";
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
344 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
0 ms |
600 KB |
Output is correct |
| 33 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
344 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
0 ms |
600 KB |
Output is correct |
| 33 |
Correct |
0 ms |
348 KB |
Output is correct |
| 34 |
Correct |
0 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| 36 |
Correct |
1 ms |
348 KB |
Output is correct |
| 37 |
Correct |
1 ms |
424 KB |
Output is correct |
| 38 |
Correct |
1 ms |
348 KB |
Output is correct |
| 39 |
Correct |
1 ms |
348 KB |
Output is correct |
| 40 |
Correct |
0 ms |
348 KB |
Output is correct |
| 41 |
Correct |
1 ms |
348 KB |
Output is correct |
| 42 |
Correct |
0 ms |
348 KB |
Output is correct |
| 43 |
Correct |
1 ms |
348 KB |
Output is correct |
| 44 |
Correct |
0 ms |
348 KB |
Output is correct |
| 45 |
Correct |
0 ms |
348 KB |
Output is correct |
| 46 |
Correct |
1 ms |
348 KB |
Output is correct |
| 47 |
Correct |
0 ms |
348 KB |
Output is correct |
| 48 |
Correct |
0 ms |
348 KB |
Output is correct |
| 49 |
Correct |
0 ms |
344 KB |
Output is correct |
| 50 |
Correct |
1 ms |
348 KB |
Output is correct |
| 51 |
Correct |
1 ms |
348 KB |
Output is correct |
| 52 |
Correct |
1 ms |
348 KB |
Output is correct |
| 53 |
Correct |
1 ms |
348 KB |
Output is correct |
| 54 |
Correct |
0 ms |
348 KB |
Output is correct |
| 55 |
Correct |
1 ms |
348 KB |
Output is correct |
| 56 |
Correct |
0 ms |
348 KB |
Output is correct |
| 57 |
Correct |
0 ms |
348 KB |
Output is correct |
| 58 |
Correct |
0 ms |
348 KB |
Output is correct |
| 59 |
Correct |
1 ms |
352 KB |
Output is correct |
| 60 |
Correct |
1 ms |
348 KB |
Output is correct |
| 61 |
Correct |
1 ms |
348 KB |
Output is correct |
| 62 |
Correct |
1 ms |
356 KB |
Output is correct |
| 63 |
Correct |
0 ms |
348 KB |
Output is correct |
| 64 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
344 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
0 ms |
600 KB |
Output is correct |
| 33 |
Correct |
0 ms |
348 KB |
Output is correct |
| 34 |
Correct |
0 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| 36 |
Correct |
1 ms |
348 KB |
Output is correct |
| 37 |
Correct |
1 ms |
424 KB |
Output is correct |
| 38 |
Correct |
1 ms |
348 KB |
Output is correct |
| 39 |
Correct |
1 ms |
348 KB |
Output is correct |
| 40 |
Correct |
0 ms |
348 KB |
Output is correct |
| 41 |
Correct |
1 ms |
348 KB |
Output is correct |
| 42 |
Correct |
0 ms |
348 KB |
Output is correct |
| 43 |
Correct |
1 ms |
348 KB |
Output is correct |
| 44 |
Correct |
0 ms |
348 KB |
Output is correct |
| 45 |
Correct |
0 ms |
348 KB |
Output is correct |
| 46 |
Correct |
1 ms |
348 KB |
Output is correct |
| 47 |
Correct |
0 ms |
348 KB |
Output is correct |
| 48 |
Correct |
0 ms |
348 KB |
Output is correct |
| 49 |
Correct |
0 ms |
344 KB |
Output is correct |
| 50 |
Correct |
1 ms |
348 KB |
Output is correct |
| 51 |
Correct |
1 ms |
348 KB |
Output is correct |
| 52 |
Correct |
1 ms |
348 KB |
Output is correct |
| 53 |
Correct |
1 ms |
348 KB |
Output is correct |
| 54 |
Correct |
0 ms |
348 KB |
Output is correct |
| 55 |
Correct |
1 ms |
348 KB |
Output is correct |
| 56 |
Correct |
0 ms |
348 KB |
Output is correct |
| 57 |
Correct |
0 ms |
348 KB |
Output is correct |
| 58 |
Correct |
0 ms |
348 KB |
Output is correct |
| 59 |
Correct |
1 ms |
352 KB |
Output is correct |
| 60 |
Correct |
1 ms |
348 KB |
Output is correct |
| 61 |
Correct |
1 ms |
348 KB |
Output is correct |
| 62 |
Correct |
1 ms |
356 KB |
Output is correct |
| 63 |
Correct |
0 ms |
348 KB |
Output is correct |
| 64 |
Correct |
0 ms |
348 KB |
Output is correct |
| 65 |
Correct |
21 ms |
2652 KB |
Output is correct |
| 66 |
Correct |
33 ms |
5808 KB |
Output is correct |
| 67 |
Correct |
29 ms |
4188 KB |
Output is correct |
| 68 |
Correct |
29 ms |
4188 KB |
Output is correct |
| 69 |
Correct |
30 ms |
4188 KB |
Output is correct |
| 70 |
Correct |
32 ms |
4188 KB |
Output is correct |
| 71 |
Correct |
28 ms |
4188 KB |
Output is correct |
| 72 |
Correct |
31 ms |
4444 KB |
Output is correct |
| 73 |
Correct |
28 ms |
4444 KB |
Output is correct |
| 74 |
Correct |
28 ms |
4428 KB |
Output is correct |
| 75 |
Correct |
28 ms |
4184 KB |
Output is correct |
| 76 |
Correct |
28 ms |
4432 KB |
Output is correct |
| 77 |
Correct |
31 ms |
4132 KB |
Output is correct |
| 78 |
Correct |
28 ms |
4428 KB |
Output is correct |
| 79 |
Correct |
28 ms |
4200 KB |
Output is correct |
| 80 |
Correct |
28 ms |
4436 KB |
Output is correct |
| 81 |
Correct |
28 ms |
4180 KB |
Output is correct |
| 82 |
Correct |
28 ms |
4188 KB |
Output is correct |
| 83 |
Correct |
28 ms |
4444 KB |
Output is correct |
| 84 |
Correct |
28 ms |
4180 KB |
Output is correct |
| 85 |
Correct |
28 ms |
4180 KB |
Output is correct |
| 86 |
Correct |
29 ms |
4176 KB |
Output is correct |
| 87 |
Correct |
28 ms |
4372 KB |
Output is correct |
| 88 |
Correct |
29 ms |
4404 KB |
Output is correct |
| 89 |
Correct |
28 ms |
4176 KB |
Output is correct |
| 90 |
Correct |
28 ms |
4180 KB |
Output is correct |
| 91 |
Correct |
29 ms |
4404 KB |
Output is correct |
| 92 |
Correct |
28 ms |
4432 KB |
Output is correct |
| 93 |
Correct |
29 ms |
4444 KB |
Output is correct |
| 94 |
Correct |
33 ms |
4168 KB |
Output is correct |
| 95 |
Correct |
27 ms |
4152 KB |
Output is correct |
| 96 |
Correct |
28 ms |
4432 KB |
Output is correct |
| 97 |
Correct |
28 ms |
4436 KB |
Output is correct |
| 98 |
Correct |
28 ms |
4432 KB |
Output is correct |
| 99 |
Correct |
28 ms |
4180 KB |
Output is correct |
| 100 |
Correct |
28 ms |
4260 KB |
Output is correct |
| 101 |
Correct |
28 ms |
4180 KB |
Output is correct |
| 102 |
Correct |
28 ms |
4288 KB |
Output is correct |
| 103 |
Correct |
29 ms |
4436 KB |
Output is correct |
