oj.uz

Submission #890826

# Submission time Handle Problem Language Result Execution time Memory
890826 2023-12-22T03:54:16 Z vjudge1 Bitaro's travel (JOI23_travel) C++17
15 / 100
 3000 ms 2356 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 = 1e9+7;
const double PI = acos(-1.0);
const double epsilon = 1e-6;
const int N = 1e5+5;

void solve(){
	int n; cin >> n;
	vector<int> a(n);
	for(int &i : a) cin >> i;
	int q; cin >> q;
	while(q--){
		int pos; cin >> pos;
		auto lb = lower_bound(all(a),pos);
		int ans = 0;
		if(lb == a.begin()){
			for(int i = 0; i < n-1; i++) ans += a[i+1] - a[i];
			cout << ans + a[0] - pos << '\n';
			continue;
		}else if(lb == a.end()){
			for(int i = n-1; i > 0; i--) ans += a[i] - a[i-1];
			cout << ans + pos - a[n-1] << '\n';
			continue;
		}
		
		int r = lb - a.begin(),l = r - 1;
		while(1){
			if(l < 0 && r >= n) break;
			if(l >= 0 && abs(pos - a[l]) <= abs(pos - a[r])){
				ans += abs(pos - a[l]);
				pos = a[l];
				l--;
			}else{
				ans += abs(pos - a[r]);
				pos = a[r];
				r++;
			}
		}
		cout << ans << '\n';
	}
}

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

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

Compilation message

travel.cpp:58:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   58 | main(){
      | ^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 420 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 420 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 15 ms 1884 KB Output is correct
18 Correct 15 ms 1884 KB Output is correct
19 Correct 15 ms 1884 KB Output is correct
20 Correct 15 ms 1880 KB Output is correct
21 Correct 15 ms 1884 KB Output is correct
22 Correct 15 ms 1884 KB Output is correct
23 Correct 15 ms 1884 KB Output is correct
24 Correct 15 ms 1884 KB Output is correct
25 Correct 15 ms 1884 KB Output is correct
26 Correct 15 ms 1884 KB Output is correct
27 Correct 16 ms 1884 KB Output is correct
28 Correct 15 ms 1884 KB Output is correct
29 Correct 15 ms 1884 KB Output is correct
30 Correct 15 ms 1884 KB Output is correct
31 Correct 15 ms 1884 KB Output is correct

Subtask #3
0 / 30.0

# 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 0 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 Execution timed out 3091 ms 2356 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 420 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 15 ms 1884 KB Output is correct
18 Correct 15 ms 1884 KB Output is correct
19 Correct 15 ms 1884 KB Output is correct
20 Correct 15 ms 1880 KB Output is correct
21 Correct 15 ms 1884 KB Output is correct
22 Correct 15 ms 1884 KB Output is correct
23 Correct 15 ms 1884 KB Output is correct
24 Correct 15 ms 1884 KB Output is correct
25 Correct 15 ms 1884 KB Output is correct
26 Correct 15 ms 1884 KB Output is correct
27 Correct 16 ms 1884 KB Output is correct
28 Correct 15 ms 1884 KB Output is correct
29 Correct 15 ms 1884 KB Output is correct
30 Correct 15 ms 1884 KB Output is correct
31 Correct 15 ms 1884 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Execution timed out 3091 ms 2356 KB Time limit exceeded
39 Halted 0 ms 0 KB -