Submission #1058127

# Submission time Handle Problem Language Result Execution time Memory
1058127 2024-08-14T08:37:38 Z Alihan_8 Sightseeing in Kyoto (JOI22_kyoto) C++17
40 / 100
330 ms 1048576 KB
#include <bits/stdc++.h>

using namespace std;

#define all(x) x.begin(), x.end()
#define ar array
#define pb push_back
#define ln '\n'
#define int long long

using i64 = long long;

template <class F, class _S>
bool chmin(F &u, const _S &v){
    bool flag = false;
    if ( u > v ){
        u = v; flag |= true;
    }
    return flag;
}

template <class F, class _S>
bool chmax(F &u, const _S &v){
    bool flag = false;
    if ( u < v ){
        u = v; flag |= true;
    }
    return flag;
}

const int inf = 1e15;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

	int h, w; cin >> h >> w;
	
	vector <int> a(h), b(w);
	
	for ( auto &u: a ) cin >> u;
	
	for ( auto &u: b ) cin >> u;
	
	auto get = [&](vector <int> a){
		int n = a.size();
			
		vector <int> prfmin(n + 1), sufmin(n + 2);
		
		prfmin[0] = sufmin[n + 1] = inf;
		
		for ( int i = 0; i < n; i++ ){
			prfmin[i + 1] = min(prfmin[i], a[i]);
		}
		
		for ( int i = n; i > 0; i-- ){
			sufmin[i] = min(sufmin[i + 1], a[i - 1]);
		}
		
		vector <int> p;
		
		for ( int i = 0; i < n; i++ ){
			if ( max(prfmin[i], sufmin[i + 2]) <= a[i] ){
				continue;
			} p.pb(i);
		}
		
		return p;
	};
	
	auto idxA = get(a); h = idxA.size();
	auto idxB = get(b); w = idxB.size();
	
	vector <vector<int>> dp(h, vector <int> (w, inf));
	
	dp[0][0] = 0;
	
	for ( int i = 0; i < h; i++ ){
		for ( int j = !i; j < w; j++ ){
			int opt = inf;
			
			if ( i > 0 ) chmin(opt, b[idxB[j]] * (idxA[i] - idxA[i - 1]) + dp[i - 1][j]);
			if ( j > 0 ) chmin(opt, a[idxA[i]] * (idxB[j] - idxB[j - 1]) + dp[i][j - 1]);
			
			dp[i][j] = opt;
		}
	}
	
	cout << dp[h - 1][w - 1];

    cout << '\n';
}
# 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 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 4 ms 8284 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 8284 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 456 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 456 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 4 ms 3164 KB Output is correct
5 Correct 5 ms 3156 KB Output is correct
6 Correct 2 ms 1608 KB Output is correct
7 Correct 9 ms 4952 KB Output is correct
8 Correct 11 ms 4956 KB Output is correct
9 Correct 10 ms 5104 KB Output is correct
10 Correct 11 ms 5076 KB Output is correct
11 Correct 28 ms 34000 KB Output is correct
12 Correct 9 ms 5160 KB Output is correct
13 Correct 9 ms 5164 KB Output is correct
14 Correct 30 ms 33780 KB Output is correct
15 Correct 13 ms 5352 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 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 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 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 4 ms 8284 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 8284 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 456 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 456 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 2908 KB Output is correct
32 Correct 4 ms 3164 KB Output is correct
33 Correct 5 ms 3156 KB Output is correct
34 Correct 2 ms 1608 KB Output is correct
35 Correct 9 ms 4952 KB Output is correct
36 Correct 11 ms 4956 KB Output is correct
37 Correct 10 ms 5104 KB Output is correct
38 Correct 11 ms 5076 KB Output is correct
39 Correct 28 ms 34000 KB Output is correct
40 Correct 9 ms 5160 KB Output is correct
41 Correct 9 ms 5164 KB Output is correct
42 Correct 30 ms 33780 KB Output is correct
43 Correct 13 ms 5352 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 6 ms 3932 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 604 KB Output is correct
58 Correct 2 ms 1372 KB Output is correct
59 Correct 14 ms 6120 KB Output is correct
60 Correct 13 ms 6124 KB Output is correct
61 Correct 14 ms 6236 KB Output is correct
62 Correct 14 ms 6252 KB Output is correct
63 Runtime error 330 ms 1048576 KB Execution killed with signal 9
64 Halted 0 ms 0 KB -