#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll
typedef pair<int,int> pi;
typedef vector <int> vi;
typedef vector <pi> vpi;
typedef pair<pi, ll> pii;
typedef set <ll> si;
typedef long double ld;
#define f first
#define s second
#define mp make_pair
#define FOR(i,s,e) for(int i=s;i<=int(e);++i)
#define DEC(i,s,e) for(int i=s;i>=int(e);--i)
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define lbd(x, y) lower_bound(all(x), y)
#define ubd(x, y) upper_bound(all(x), y)
#define aFOR(i,x) for (auto i: x)
#define mem(x,i) memset(x,i,sizeof x)
#define fast ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define maxn 300010
#define INF (ll)1e18
typedef pair <vi, int> pvi;
typedef pair <int,pi> ipi;
typedef vector <pii> vpii;
#define DEBUG 0
#define MOD 1000003233
int TC;
int N;
int X[maxn],Y[maxn],num[maxn];
int C[maxn];
void solve(){
fast;
cin >> N;
int ans = 0;
vi v;
FOR(i,1,2*N){
cin >> X[i] >> Y[i];
if (Y[i] < 1){
ans += abs(1-Y[i]); Y[i] = 1;
}
if (Y[i] > 2){
ans += abs(2-Y[i]); Y[i] = 2;
}
if (X[i] < 1){
ans += abs(1-X[i]); X[i] = 1;
}
if (X[i] > N){
ans += abs(N-X[i]); X[i] = N;
}
C[Y[i]-1]++;
num[X[i]]++;
}
//cout << ans << ' ';
int sm = 0;
FOR(i,1,N){
sm += num[i];
ans += abs(sm - 2*i);
}
/*
sort(all(v));
int ptr = 0;
int sm = 0;
while (ptr < v.size()){
int cur = v[ptr];
while (ptr < v.size() && v[ptr] == cur){
ptr++; sm++;
}
if (ptr < v.size()) ans += abs(2*ptr - sm) * (v[ptr] - cur);
}
*/
ans += abs(C[0] - N);
cout << ans;
}
int32_t main(){
fast;
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
1 ms |
328 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
1 ms |
328 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
1 ms |
328 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |