| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 923878 |
2024-02-08T04:11:33 Z |
awu |
Passport (JOI23_passport) |
C++14 |
|
2000 ms |
1048576 KB |
#include <bits/extc++.h>
using namespace __gnu_pbds;
using namespace std;
// #define int long long
#define ll long long
// #define double long double
#define all(x) x.begin(), x.end()
#define debug(x) do{auto _x = x; cerr << #x << " = " << _x << endl;} while(0)
#define f first
#define s second
// #define endl '\n'
using pii = pair<int, int>;
using pll = pair<ll, ll>;
const int inf = 1 << 29;
// const ll inf = 1ll << 50;
const int MOD = 1e9 + 7;
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int n; cin >> n;
vector<int> l(n), r(n);
for(int i = 0; i < n; i++) {
cin >> l[i] >> r[i];
l[i]--;
}
vector<vector<vector<pii>>> adj(n, vector<vector<pii>>(n + 1));
for(int i = 0; i < n; i++) {
for(int j = i + 1; j <= n; j++) {
// adj[i][j - 1].push_back({i, j});
// adj[min(i, l[j - 1])][max(j, r[j - 1])].push_back({i, j});
if(i + 1 < j) {
adj[i][j].push_back({i + 1, j});
adj[i][j].push_back({i, j - 1});
}
adj[i][j].push_back({min(i, l[i]), max(j, r[i])});
adj[i][j].push_back({min(i, l[j - 1]), max(j, r[j - 1])});
}
}
int q; cin >> q;
while(q--) {
int x; cin >> x; x--;
vector<vector<int>> dist(n, vector<int>(n + 1, inf));
std::priority_queue<pair<int, pii>, vector<pair<int, pii>>, greater<pair<int, pii>>> pq;
pq.push({0, {x, x + 1}});
while(pq.size()) {
auto cur = pq.top(); pq.pop();
int d = cur.f, i = cur.s.f, j = cur.s.s;
if(dist[i][j] <= d) continue;
dist[i][j] = d;
for(auto nxt : adj[i][j]) {
pq.push({d + (nxt.s - nxt.f > j - i), nxt});
}
}
int ans = dist[0][n];
if(ans == inf) ans = -1;
cout << ans << endl;
}
// int q; cin >> q;
// while(q--) {
// int x; cin >> x; x--;
// int ans = dist[x][x + 1];
// if(ans == inf) ans = -1;
// cout << ans << endl;
// }
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Runtime error |
483 ms |
1048576 KB |
Execution killed with signal 9 |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 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 |
1 ms |
816 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
30 ms |
5464 KB |
Output is correct |
| 12 |
Correct |
28 ms |
4956 KB |
Output is correct |
| 13 |
Correct |
34 ms |
5464 KB |
Output is correct |
| 14 |
Correct |
29 ms |
5464 KB |
Output is correct |
| 15 |
Correct |
26 ms |
4952 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 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 |
1 ms |
816 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
30 ms |
5464 KB |
Output is correct |
| 12 |
Correct |
28 ms |
4956 KB |
Output is correct |
| 13 |
Correct |
34 ms |
5464 KB |
Output is correct |
| 14 |
Correct |
29 ms |
5464 KB |
Output is correct |
| 15 |
Correct |
26 ms |
4952 KB |
Output is correct |
| 16 |
Execution timed out |
2063 ms |
379080 KB |
Time limit exceeded |
| 17 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 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 |
1 ms |
816 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
30 ms |
5464 KB |
Output is correct |
| 12 |
Correct |
28 ms |
4956 KB |
Output is correct |
| 13 |
Correct |
34 ms |
5464 KB |
Output is correct |
| 14 |
Correct |
29 ms |
5464 KB |
Output is correct |
| 15 |
Correct |
26 ms |
4952 KB |
Output is correct |
| 16 |
Execution timed out |
2063 ms |
379080 KB |
Time limit exceeded |
| 17 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Runtime error |
483 ms |
1048576 KB |
Execution killed with signal 9 |
| 5 |
Halted |
0 ms |
0 KB |
- |
