oj.uz

Submission #678453

# Submission time Handle Problem Language Result Execution time Memory
678453 2023-01-06T03:25:26 Z DP_196 Visiting Singapore (NOI20_visitingsingapore) C++14
22 / 100
 147 ms 196008 KB 
#include <bits/stdc++.h>

using namespace std;

#define int int64_t
#define sz(x) (int)x.size()
#define MASK(i) ((1LL) << (i))
#define all(x) x.begin(), x.end()
#define BIT(x, i) ((x) >> (i) & (1LL))
#define dbg(...) cerr << "#" << __LINE__ << ":[" << #__VA_ARGS__ \
<< "] = [" ,DBG(__VA_ARGS__)

string to_string(const string& s) { return '"' + s + '"'; }
void DBG() { cerr << "]" << endl; }
template<class H, class... T> void DBG(H h, T... t) {
        cerr << to_string(h); if(sizeof...(t)) cerr << ", "; DBG(t...);
}

template <class T>
inline bool maximize(T &a, const T &b) { return (a < b ? (a = b) : 0); }
template <class T>
inline bool minimize(T &a, const T &b) { return (a > b ? (a = b) : 0); }

const int MAXN = 1e5 + 6;
const int INF = 1e9;
const int MOD = 1e9 + 7;

int k, n, m, a, b, v[5005], s[5005], t[5005];
int g[5005][5005], f[105][105];

void sub1() {
	if (m <= n) return (void) (cout << (v[1] * m));
	cout << v[1] * n + (a + (m - n) * b);
}

void sub2() {
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= m; j++) {
			g[i][j] = max(g[i - 1][j], g[i][j - 1]);
			if (s[i] == t[j]) maximize(g[i][j], g[i - 1][j - 1] + v[s[i]]);
		}
	
	cout << g[n][m];
}

void sub6() {	
	memset(f, -0x3f, sizeof (f));
	
	int res = f[0][0];
	f[0][0] = 0;
	
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= m; j++) {
			if (s[i] != t[j]) continue;
			f[i][j] = v[s[i]] + (j > 1 ? a + (j - 1) * b : 0);
			for (int x = 1; x < i; x++)
				for (int y = 1; y < j; y++)
					if (s[x] == t[y]) maximize(f[i][j], v[s[i]] + f[x][y] + 
						(j - y >= 2 ? a + (j - y - 1) * b : 0) + (i - x >= 2 ? a + (i - x - 1) * b : 0));
			maximize(res, f[i][j] + (m != j ? a + (m - j) * b : 0));
		}
	}
	
	cout << res;
}                          

void solve() {
	cin >> k >> n >> m >> a >> b;
	
	for (int i = 1; i <= k; i++) cin >> v[i];
	for (int i = 1; i <= n; i++) cin >> s[i];
	for (int i = 1; i <= m; i++) cin >> t[i];
	
	if (k == 1) sub1();
	else if (a == 0 && b == 0) sub2();
	else if (n <= 100 && m <= 100) sub6();
}

#define TASK "FUNTOUR"
int32_t main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen(TASK".inp", "r", stdin);
    //freopen(TASK".out", "w", stdout);

    int ntest = 1;
    //cin >> ntest;
    while (ntest--) solve();

    return 0;
}
//612

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 29980 KB Output is correct
2 Correct 12 ms 18132 KB Output is correct
3 Correct 57 ms 79832 KB Output is correct
4 Correct 130 ms 174280 KB Output is correct
5 Correct 45 ms 51396 KB Output is correct
6 Correct 56 ms 76108 KB Output is correct
7 Correct 107 ms 143432 KB Output is correct
8 Correct 39 ms 54732 KB Output is correct
9 Correct 67 ms 91412 KB Output is correct
10 Correct 147 ms 195972 KB Output is correct
11 Correct 147 ms 195440 KB Output is correct
12 Correct 147 ms 196008 KB Output is correct
13 Correct 146 ms 195940 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 29980 KB Output is correct
2 Correct 12 ms 18132 KB Output is correct
3 Correct 57 ms 79832 KB Output is correct
4 Correct 130 ms 174280 KB Output is correct
5 Correct 45 ms 51396 KB Output is correct
6 Correct 56 ms 76108 KB Output is correct
7 Correct 107 ms 143432 KB Output is correct
8 Correct 39 ms 54732 KB Output is correct
9 Correct 67 ms 91412 KB Output is correct
10 Correct 147 ms 195972 KB Output is correct
11 Correct 147 ms 195440 KB Output is correct
12 Correct 147 ms 196008 KB Output is correct
13 Correct 146 ms 195940 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Incorrect 1 ms 340 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 29980 KB Output is correct
2 Correct 12 ms 18132 KB Output is correct
3 Correct 57 ms 79832 KB Output is correct
4 Correct 130 ms 174280 KB Output is correct
5 Correct 45 ms 51396 KB Output is correct
6 Correct 56 ms 76108 KB Output is correct
7 Correct 107 ms 143432 KB Output is correct
8 Correct 39 ms 54732 KB Output is correct
9 Correct 67 ms 91412 KB Output is correct
10 Correct 147 ms 195972 KB Output is correct
11 Correct 147 ms 195440 KB Output is correct
12 Correct 147 ms 196008 KB Output is correct
13 Correct 146 ms 195940 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Incorrect 1 ms 340 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Incorrect 0 ms 340 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #7
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 21 ms 29980 KB Output is correct
22 Correct 12 ms 18132 KB Output is correct
23 Correct 57 ms 79832 KB Output is correct
24 Correct 130 ms 174280 KB Output is correct
25 Correct 45 ms 51396 KB Output is correct
26 Correct 56 ms 76108 KB Output is correct
27 Correct 107 ms 143432 KB Output is correct
28 Correct 39 ms 54732 KB Output is correct
29 Correct 67 ms 91412 KB Output is correct
30 Correct 147 ms 195972 KB Output is correct
31 Correct 147 ms 195440 KB Output is correct
32 Correct 147 ms 196008 KB Output is correct
33 Correct 146 ms 195940 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Incorrect 1 ms 340 KB Output isn't correct
37 Halted 0 ms 0 KB -