#include<bits/stdc++.h>
using namespace std;
const int MAXN = 1005;
int n, m, k, A, B;
int f[MAXN][MAXN][2][2], v[MAXN], s[MAXN], t[MAXN];
int main() {
//freopen("funtour.inp", "r", stdin);
//freopen("funtour.out", "w", stdout);
ios_base::sync_with_stdio(0); cin.tie(0);
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];
memset(f, -0x3f, sizeof (f));
int res = -1e9;
for (int i = 0; i <= m; i++) {
f[0][i][0][1] = a + m * b;
dp[0][i][0][0] = a + m * b;
}
f[0][0][0][0] = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
f[i][j][0][0] = max({
f[i - 1][j][0][0],
f[i][j - 1][0][0],
}) + B;
f[i][j][0][0] = max(f[i][j][0][0], f[i - 1][i - 1][1][1] + 2 * B);
f[i][j][0][1] = max(f[i - 1][j][0][1], f[i - 1][j][1][1]) + B;
f[i][j][1][0] = max(f[i][j - 1][1][0], f[i][j - 1][1][1]) + B;
if (s[i] == t[j]) {
f[i][j][1][1] = max(f[i][j][1][1], (j > 1 ? A : 0) + (j - 1) * B + v[s[i]]);
f[i][j][1][1] = max(f[i][j][1][1], f[i - 1][j - 1][0][0] + 2 * A + v[s[i]]);
f[i][j][1][1] = max(f[i][j][1][1], f[i - 1][j - 1][0][1] + A + v[s[i]]);
f[i][j][1][1] = max(f[i][j][1][1], f[i - 1][j - 1][1][0] + A + v[s[i]]);
f[i][j][1][1] = max(f[i][j][1][1], f[i - 1][j - 1][1][1] + v[s[i]]);
}
res = max(res, f[i][j][1][1] + (m - j) * B + (j != m ? A : 0));
}
}
cout << res;
}
Compilation message
VisitingSingapore.cpp: In function 'int main()':
VisitingSingapore.cpp:29:19: error: 'a' was not declared in this scope
29 | f[0][i][0][1] = a + m * b;
| ^
VisitingSingapore.cpp:29:27: error: 'b' was not declared in this scope
29 | f[0][i][0][1] = a + m * b;
| ^
VisitingSingapore.cpp:30:3: error: 'dp' was not declared in this scope
30 | dp[0][i][0][0] = a + m * b;
| ^~
