oj.uz

Submission #888831

# Submission time Handle Problem Language Result Execution time Memory
888831 2023-12-18T08:17:42 Z vjudge1 Passport (JOI23_passport) C++17
16 / 100
 2000 ms 1048576 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

#define int long long
#define pb push_back
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define ordered_set tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update>
#define ordered_multiset tree<type1, null_type, less_equal<type1>, rb_tree_tag, tree_order_statistics_node_update>;

using namespace std;
using namespace __gnu_pbds;

const int mod = 998244353;
const double PI = acos(-1.0);
const double epsilon = 1e-6;
const int N = 1e5 + 5;

void solve(){
	int n;
	cin >> n;
	vector<pair<int,int> > a(n);
	for(auto &[i,j] : a) cin >> i >> j;
	int q;
	cin >> q;
	while(q--){
		int x; cin >> x;
		set<pair<int,int> > q;
		q.insert({a[x-1].ff,a[x-1].ss});
		int dis[n+1][n+1];
		for(int i = 1; i <= n; i++){
			for(int j = 1; j <= n; j++){
				dis[i][j] = 1e18;
			}
		}
		dis[a[x-1].ff][a[x-1].ss] = 1;
		while(!q.empty()){
			auto [l,r] = *q.begin();
			q.erase(q.begin());
			for(int t = l; t <= r; t++){
				auto [i,j] = a[t-1];
				if(i <= l && r <= j && dis[l][r] + 1 < dis[i][j]){
					q.erase({i,j});
					q.insert({i,j});
					dis[i][j] = dis[l][r] + 1;
					continue;
				}else if(i <= l && r <= j) continue;
				if(i <= r && dis[l][r] + 1 < dis[l][j]){
					q.erase({l,j});
					q.insert({l,j});
					dis[l][j] = dis[l][r] + 1;
				}
				if(l <= j && dis[l][r] + 1 < dis[i][r]){
					q.erase({i,r});
					q.insert({i,r});
					dis[i][r] = dis[l][r] + 1;
				}
			}
		}
		if(dis[1][n] == 1e18) cout << "-1\n";
		else cout << dis[1][n] << '\n';
	}
}

main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int tt = 1;
    //cin >> tt;
    while (tt--) {
        solve();
    }
}

Compilation message

passport.cpp:68:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   68 | main(){
      | ^~~~

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Runtime error 540 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# 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 496 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 20 ms 2112 KB Output is correct
12 Correct 70 ms 2140 KB Output is correct
13 Correct 70 ms 2176 KB Output is correct
14 Correct 53 ms 2008 KB Output is correct
15 Correct 289 ms 3160 KB Output is correct

Subtask #3
0 / 24.0

# 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 496 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 20 ms 2112 KB Output is correct
12 Correct 70 ms 2140 KB Output is correct
13 Correct 70 ms 2176 KB Output is correct
14 Correct 53 ms 2008 KB Output is correct
15 Correct 289 ms 3160 KB Output is correct
16 Execution timed out 2041 ms 112320 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #4
0 / 8.0

# 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 496 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 20 ms 2112 KB Output is correct
12 Correct 70 ms 2140 KB Output is correct
13 Correct 70 ms 2176 KB Output is correct
14 Correct 53 ms 2008 KB Output is correct
15 Correct 289 ms 3160 KB Output is correct
16 Execution timed out 2041 ms 112320 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Runtime error 540 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -