//
// Created by 42kangaroo on 07/09/2023.
//
#include "bits/stdc++.h"
using namespace std;
#define int long long
struct Po {
int x, y;
};
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<Po> a(2 * n);
for (int i = 0; i < 2 * n; ++i) {
cin >> a[i].x >> a[i].y;
a[i].x--;
a[i].y--;
}
int ans = 0;
// move them into the box, make vector with number at each position
vector<array<int, 2>> num(n, {0, 0});
for (auto p: a) {
if (p.x < 0) {
ans += - p.x;
p.x = 0;
}
if (p.x >= n) {
ans += p.x - n + 1;
p.x = n - 1;
}
if (p.y < 0) {
ans += -p.y;
p.y = 0;
}
if (p.y > 1) {
ans += p.y - 1;
p.y = 1;
}
num[p.x][p.y]++;
}
// At each pos, calculate how many go over boundary for up and down
vector<array<int, 2>> dp(n + 1, {0, 0});
for (int i = 0; i < n; ++i) {
for (int j = 0; j < 2; ++j) {
dp[i + 1][j] = dp[i][j] + num[i][j] - 1;
}
// if sum is > 0 and one is < 0, take one up
for (int j = 0; j < 2; ++j) {
if (dp[i + 1][j] < 0 && dp[i + 1][1 - j] > 0) {
int mi = min(-dp[i + 1][j], dp[i + 1][1 - j]);
ans += mi;
dp[i + 1][j] += mi;
dp[i + 1][1 -j] -= mi;
}
}
ans += abs(dp[i + 1][0]) + abs(dp[i + 1][1]);
}
cout << ans << "\n";
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
600 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
460 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 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 |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
344 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
344 KB |
Output is correct |
| 24 |
Correct |
0 ms |
344 KB |
Output is correct |
| 25 |
Correct |
0 ms |
344 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
344 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
344 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
500 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
600 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
460 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 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 |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
344 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
344 KB |
Output is correct |
| 24 |
Correct |
0 ms |
344 KB |
Output is correct |
| 25 |
Correct |
0 ms |
344 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
344 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
344 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
500 KB |
Output is correct |
| 34 |
Correct |
1 ms |
344 KB |
Output is correct |
| 35 |
Correct |
1 ms |
344 KB |
Output is correct |
| 36 |
Correct |
1 ms |
344 KB |
Output is correct |
| 37 |
Correct |
1 ms |
344 KB |
Output is correct |
| 38 |
Correct |
1 ms |
344 KB |
Output is correct |
| 39 |
Correct |
1 ms |
344 KB |
Output is correct |
| 40 |
Correct |
1 ms |
344 KB |
Output is correct |
| 41 |
Correct |
1 ms |
344 KB |
Output is correct |
| 42 |
Correct |
1 ms |
604 KB |
Output is correct |
| 43 |
Correct |
1 ms |
348 KB |
Output is correct |
| 44 |
Correct |
1 ms |
344 KB |
Output is correct |
| 45 |
Correct |
1 ms |
344 KB |
Output is correct |
| 46 |
Correct |
1 ms |
344 KB |
Output is correct |
| 47 |
Correct |
1 ms |
344 KB |
Output is correct |
| 48 |
Correct |
1 ms |
348 KB |
Output is correct |
| 49 |
Correct |
1 ms |
348 KB |
Output is correct |
| 50 |
Correct |
1 ms |
344 KB |
Output is correct |
| 51 |
Correct |
1 ms |
348 KB |
Output is correct |
| 52 |
Correct |
1 ms |
344 KB |
Output is correct |
| 53 |
Correct |
1 ms |
344 KB |
Output is correct |
| 54 |
Correct |
1 ms |
344 KB |
Output is correct |
| 55 |
Correct |
1 ms |
600 KB |
Output is correct |
| 56 |
Correct |
1 ms |
348 KB |
Output is correct |
| 57 |
Correct |
1 ms |
344 KB |
Output is correct |
| 58 |
Correct |
1 ms |
344 KB |
Output is correct |
| 59 |
Correct |
1 ms |
348 KB |
Output is correct |
| 60 |
Correct |
1 ms |
464 KB |
Output is correct |
| 61 |
Correct |
1 ms |
348 KB |
Output is correct |
| 62 |
Correct |
1 ms |
344 KB |
Output is correct |
| 63 |
Correct |
1 ms |
500 KB |
Output is correct |
| 64 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
600 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
460 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 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 |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
344 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
344 KB |
Output is correct |
| 24 |
Correct |
0 ms |
344 KB |
Output is correct |
| 25 |
Correct |
0 ms |
344 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
344 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
344 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
500 KB |
Output is correct |
| 34 |
Correct |
1 ms |
344 KB |
Output is correct |
| 35 |
Correct |
1 ms |
344 KB |
Output is correct |
| 36 |
Correct |
1 ms |
344 KB |
Output is correct |
| 37 |
Correct |
1 ms |
344 KB |
Output is correct |
| 38 |
Correct |
1 ms |
344 KB |
Output is correct |
| 39 |
Correct |
1 ms |
344 KB |
Output is correct |
| 40 |
Correct |
1 ms |
344 KB |
Output is correct |
| 41 |
Correct |
1 ms |
344 KB |
Output is correct |
| 42 |
Correct |
1 ms |
604 KB |
Output is correct |
| 43 |
Correct |
1 ms |
348 KB |
Output is correct |
| 44 |
Correct |
1 ms |
344 KB |
Output is correct |
| 45 |
Correct |
1 ms |
344 KB |
Output is correct |
| 46 |
Correct |
1 ms |
344 KB |
Output is correct |
| 47 |
Correct |
1 ms |
344 KB |
Output is correct |
| 48 |
Correct |
1 ms |
348 KB |
Output is correct |
| 49 |
Correct |
1 ms |
348 KB |
Output is correct |
| 50 |
Correct |
1 ms |
344 KB |
Output is correct |
| 51 |
Correct |
1 ms |
348 KB |
Output is correct |
| 52 |
Correct |
1 ms |
344 KB |
Output is correct |
| 53 |
Correct |
1 ms |
344 KB |
Output is correct |
| 54 |
Correct |
1 ms |
344 KB |
Output is correct |
| 55 |
Correct |
1 ms |
600 KB |
Output is correct |
| 56 |
Correct |
1 ms |
348 KB |
Output is correct |
| 57 |
Correct |
1 ms |
344 KB |
Output is correct |
| 58 |
Correct |
1 ms |
344 KB |
Output is correct |
| 59 |
Correct |
1 ms |
348 KB |
Output is correct |
| 60 |
Correct |
1 ms |
464 KB |
Output is correct |
| 61 |
Correct |
1 ms |
348 KB |
Output is correct |
| 62 |
Correct |
1 ms |
344 KB |
Output is correct |
| 63 |
Correct |
1 ms |
500 KB |
Output is correct |
| 64 |
Correct |
1 ms |
344 KB |
Output is correct |
| 65 |
Correct |
22 ms |
8024 KB |
Output is correct |
| 66 |
Correct |
40 ms |
11344 KB |
Output is correct |
| 67 |
Correct |
31 ms |
9812 KB |
Output is correct |
| 68 |
Correct |
32 ms |
9728 KB |
Output is correct |
| 69 |
Correct |
34 ms |
9808 KB |
Output is correct |
| 70 |
Correct |
33 ms |
9728 KB |
Output is correct |
| 71 |
Correct |
32 ms |
9808 KB |
Output is correct |
| 72 |
Correct |
32 ms |
9808 KB |
Output is correct |
| 73 |
Correct |
31 ms |
9808 KB |
Output is correct |
| 74 |
Correct |
30 ms |
9808 KB |
Output is correct |
| 75 |
Correct |
35 ms |
9812 KB |
Output is correct |
| 76 |
Correct |
31 ms |
9844 KB |
Output is correct |
| 77 |
Correct |
33 ms |
9808 KB |
Output is correct |
| 78 |
Correct |
33 ms |
9708 KB |
Output is correct |
| 79 |
Correct |
31 ms |
9812 KB |
Output is correct |
| 80 |
Correct |
32 ms |
9852 KB |
Output is correct |
| 81 |
Correct |
32 ms |
9868 KB |
Output is correct |
| 82 |
Correct |
31 ms |
9860 KB |
Output is correct |
| 83 |
Correct |
31 ms |
9808 KB |
Output is correct |
| 84 |
Correct |
32 ms |
9812 KB |
Output is correct |
| 85 |
Correct |
32 ms |
9808 KB |
Output is correct |
| 86 |
Correct |
34 ms |
9808 KB |
Output is correct |
| 87 |
Correct |
31 ms |
9808 KB |
Output is correct |
| 88 |
Correct |
30 ms |
9816 KB |
Output is correct |
| 89 |
Correct |
31 ms |
9808 KB |
Output is correct |
| 90 |
Correct |
31 ms |
9812 KB |
Output is correct |
| 91 |
Correct |
32 ms |
9808 KB |
Output is correct |
| 92 |
Correct |
31 ms |
9808 KB |
Output is correct |
| 93 |
Correct |
33 ms |
9964 KB |
Output is correct |
| 94 |
Correct |
31 ms |
9700 KB |
Output is correct |
| 95 |
Correct |
29 ms |
9584 KB |
Output is correct |
| 96 |
Correct |
30 ms |
9808 KB |
Output is correct |
| 97 |
Correct |
32 ms |
9808 KB |
Output is correct |
| 98 |
Correct |
31 ms |
9844 KB |
Output is correct |
| 99 |
Correct |
30 ms |
9816 KB |
Output is correct |
| 100 |
Correct |
31 ms |
9808 KB |
Output is correct |
| 101 |
Correct |
30 ms |
9808 KB |
Output is correct |
| 102 |
Correct |
32 ms |
9808 KB |
Output is correct |
| 103 |
Correct |
30 ms |
9712 KB |
Output is correct |
