/* made by amunduzbaev */
//~ #include <ext/pb_ds/assoc_container.hpp>
//~ #include <ext/pb_ds/tree_policy.hpp>
#include "bits/stdc++.h"
using namespace std;
//~ using namespace __gnu_pbds;
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ub upper_bound
#define lb lower_bound
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(),x.rend()
#define NeedForSpeed ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define vv vector
#define mem(arr, v) memset(arr, v, sizeof arr)
#define int long long
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef vector<int> vii;
typedef vector<pii> vpii;
template<class T> bool umin(T& a, const T& b) { return a > b ? a = b, true : false; }
template<class T> bool umax(T& a, const T& b) { return a < b ? a = b, true : false; }
template<int sz> using tut = array<int, sz>;
void usaco(string s) { freopen((s+".in").c_str(),"r",stdin);
freopen((s+".out").c_str(),"w",stdout); NeedForSpeed }
//~ template<class T> using oset = tree<T,
//~ null_type, less_equal<T>, rb_tree_tag,
//~ tree_order_statistics_node_update> ordered_set;
const int N = 305;
const int mod = 1e9+7;
const ll inf = 1e18;
const ld Pi = acos(-1);
#define MULTI 0
int n, m, k, q, t, ans, res; //, a[N];
int a, b, c, used[N], dis[N][N], cost[N][N];
int pref[N], dp[N][N];
vpii edges[N];
void solve(int t_case){
cin>>n>>m>>k>>a>>b>>c>>t;
vii tt;
for(int i=0, x;i<m;i++) cin>>x, tt.pb(x), used[x] = 1;
for(int i=1;i<n;i++) edges[i].pb({i+1, a});
for(int i=0;i<m-1;i++) edges[tt[i]].pb({tt[i+1], (tt[i+1] - tt[i]) * b});
int K = k - m;
priority_queue<pii> qq;
qq.push({0, 1}); mem(dis, 127);
dis[1][0] = 0;
while(!qq.empty()){
auto u = qq.top(); qq.pop();
if(dis[u.ss][0] < -u.ff) continue;
for(auto x : edges[u.ss]){
if(umin(dis[x.ff][0], dis[u.ss][0] + x.ss)) qq.push({dis[x.ff][0], x.ff});
}
}
mem(dp, -1);
dp[0][0] = 0;
for(int i=1;i<=n;i++) pref[i] = pref[i-1] + (dis[i][0] <= t);
for(int last = -1, i=1;i<=n;i++) {
if(used[i] && last == -1) last = i;
umin(dis[i][0], (~last ? dis[last][0] + (i - last) * c : a * (i - 1)));
dp[i][0] = pref[i-1] + (dis[i][0] <= t);
}
for(int i=1;i<=n;i++) for(int j=i;j<=n;j++) cost[i][j] = (dis[i][0] + (j - i) * a <= t) + cost[i][j-1];
for(int k=1;k<K;k++){
for(int i=1;i<=n;i++) umin(dis[i][k], dis[i][k-1]);
for(int i=1;i<=n;i++){
if(used[i]) continue;
int last = i + 1, cc = 0, first = -1;
for(int j=i-1;j>0;j--){
if(used[j]) {
if(first == -1) first = j, cc += cost[j][last-2] + (dis[first][k-1] + (i-first) * c <= t);
else cc += cost[j][last - 1];
last = j;
continue; }
if(dp[j][k-1] == -1) continue;
if(umax(dp[i][k], dp[j][k-1] + cc + cost[j][last-1] - cost[j][j])) dis[i][k] = (~first ? dis[first][k-1] + (i - first) * c : dis[j][k-1] + (i - j) * c);
else if(dp[i][k] == dp[j][k-1] + cc + cost[j][last-1] - cost[j][j]) umin(dis[i][k], (~first ? dis[first][k-1] + (i - first) * c : dis[j][k-1] + (i - j) * c));
}
}
for(int i=1;i<=n;i++){
for(int j=i;j<=n;j++){
cost[i][j] = (dis[i][k] + (j - i) * a <= t) + cost[i][j-1];
}
}
}
//~ cout<<"\n";
int last = n + 1, cc = 0;
for(int i=n;i>0;i--){
if(used[i]){
cc += cost[i][last-1], last = i;
continue;
}
//~ cout<<i<<" "<<dp[i][K-1]<<" "<<cc<<" "<<cost[i][last-1] - cost[i][i]<<"\n";
umax(res, dp[i][K-1] + cc + cost[i][last - 1] - cost[i][i]);
}
//~ cout<<"\n";
//~ for(int i=1;i<=n;i++) cout<<used[i]<<" ";
//~ cout<<"\n";
//~ for(int j=0;j<K;j++){
//~ for(int i=1;i<=n;i++) cout<<dp[i][j]<<" ";
//~ cout<<"\n";
//~ for(int i=1;i<=n;i++) cout<<(dis[i][j] < mod ? dis[i][j] : -1)<<" ";
//~ cout<<"\n\n";
//~ } cout<<"\n";
cout<<res - 1<<"\n";
}
signed main(){
NeedForSpeed
if(MULTI){
int t; cin>>t;
for(int t_case = 1; t_case <= t; t_case++) solve(t_case);
} else solve(1);
return 0;
}
Compilation message
semiexpress.cpp: In function 'void usaco(std::string)':
semiexpress.cpp:32:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
32 | void usaco(string s) { freopen((s+".in").c_str(),"r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
semiexpress.cpp:33:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
33 | freopen((s+".out").c_str(),"w",stdout); NeedForSpeed }
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
2380 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2380 KB |
Output is correct |
| 3 |
Incorrect |
3 ms |
2508 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
2380 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2380 KB |
Output is correct |
| 3 |
Incorrect |
3 ms |
2508 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
2380 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2380 KB |
Output is correct |
| 3 |
Incorrect |
3 ms |
2508 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
