#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ff first
#define ss second
#define pii pair<int,int>
#define pll pair<long long, long long>
#define pb push_back
#define rep(i, b) for(int i = 0; i < (b); ++i)
#define rep2(i,a,b) for(int i = a; i <= (b); ++i)
#define rep3(i,a,b,c) for(int i = a; i <= (b); i+=c)
#define count_bits(x) __builtin_popcountll((x))
#define all(x) (x).begin(),(x).end()
#define size(x) (int)(x).size()
#define forall(it,x) for(auto& it:(x))
using namespace std;
//mt19937 mt;void random(){mt.seed(chrono::time_point_cast<chrono::milliseconds>(chrono::high_resolution_clock::now()).time_since_epoch().count());}
//ll rand(ll a, ll b) {return a + (mt() % (b-a+1));}
const int INF = 1e9+50;
const ll INF_L = 1e18+40;
const ll MOD = 1e9+7;
int n,m,q;
int dist(int a,int b)
{
return min(abs(a-b),2*n-abs(a-b));
}
void solve()
{
cin >> n >> m >> q;
vector<bool> best(n*2,0);
vector<int> left(n*2);
vector<int> right(n*2);
rep(i,m)
{
int a;
cin >> a;
best[a] = true;
best[a+n] = true;
}
int pop = -1;
rep(i,n*8)
{
if(best[i%(n*2)]) pop = i%(n*2);
left[i%(n*2)] = pop;
}
pop = -1;
for(int i = n*8-1; i >= 0; i--)
{
if(best[i%(n*2)]) pop = i%(n*2);
right[i%(n*2)] = pop;
}
rep(i,q)
{
int a,b;
cin >> a >> b;
if(a > b) swap(a,b);
int m1 = dist(a,b);
int m2 = left[a] == -1 ? 1e9 : dist(a,left[a]) + dist(left[a]+n,b)+1;
int m3 = right[a] == -1 ? 1e9 : dist(a,right[a]) + dist(right[a]+n,b)+1;
// cout << m1 << " " << m2 << " " << m3 << " m\n";
cout << min(min(m1,m2),m3) << "\n";
}
}
int main()
{
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
//random();
int t = 1;
// cin >> t;
while(t--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
348 KB |
Output is correct |
3 |
Correct |
4 ms |
604 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
6 ms |
2332 KB |
Output is correct |
6 |
Runtime error |
307 ms |
1048576 KB |
Execution killed with signal 9 |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
426 ms |
1048580 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
348 KB |
Output is correct |
3 |
Correct |
4 ms |
604 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
6 ms |
2332 KB |
Output is correct |
6 |
Runtime error |
307 ms |
1048576 KB |
Execution killed with signal 9 |
7 |
Halted |
0 ms |
0 KB |
- |