#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MX = 2e5 + 7;
ll N;
ll a[MX][3], b[MX];
ll ans = 0;
int main() {
cin.tie(0); ios_base::sync_with_stdio(0);
cin >> N;
for(int i = 0; i < 2 * N; i++) {
ll x, y;
cin >> x >> y;
if(1 <= x && x <= N && 1 <= y && y <= 2) {
a[x][y]++;
} else if(1 <= x && x <= N) {
if(y > 2) {
a[x][2]++;
ans += y - 2;
} else {
a[x][1]++;
ans += 1 - y;
}
} else if(1 <= y && y <= 2) {
if(x < 1) {
a[1][y]++;
ans += 1 - x;
} else {
a[N][y]++;
ans += x - N;
}
} else {
if(y > 2 && x < 1) {
a[1][2]++;
ans += 1 - x + y - 2;
} else if(y > 2 && x > N) {
a[N][2]++;
ans += x - N + y - 2;
} else if(y < 1 && x < 1) {
a[1][1]++;
ans += 1 - x + 1 - y;
} else {
a[N][1]++;
ans += x - N + 1 - y;
}
}
}
ll diff = 0, sum = 0;
for(int i = 1; i <= N; i++) {
diff += a[i][1];
if(i < N) {
sum += a[i][1] + a[i][2];
ans += abs(sum - i * 2);
}
}
ans += abs(diff - N);
cout << ans << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |