#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T l, T r) { while (l != r) cerr << *l << " \n"[next(l)==r], ++l; }
#else
#define DE(...) 0
#define debug(...) 0
#endif
// My bug list :
// integer overflow
// 0based, 1based forgotten
// index out of bound
// n, m, i, j typo
// some cases are missing
const int MAX_N = 300010;
const ll inf = 2e18;
ll X, n, m, W, T;
ll s[MAX_N];
ll dp[MAX_N], sp[MAX_N];
pair<ll,ll> man[MAX_N];
ll cost(int l, int r) {
if (l > r) return 0;
ll req = X / T + 10;
ll ret = 0;
for (int i = r;i >= l;--i) {
chmin(req, sp[i]);
ret += W * sp[i] + man[i].second;
}
return ret;
}
// N refill points, and M people
// remember the driver need water too
void solve() {
fill(dp, dp + m, inf);
fill(sp, sp + m, X / T + 10);
sort(s, s + n);
sort(man, man + m);
for (int i = 0;i < n;++i) {
ll spt = s[i] / T;
int p = lower_bound(man, man + m, make_pair(s[i] % T, 0ll)) - man;
chmin(sp[p-1], spt);
}
for (int i = 0;i < m;++i)
DE(i, sp[i]);
for (int i = 0;i < m;++i) {
auto [d, c] = man[i];
ll sum = (X / T + (X % T > d)) * W;
for (int j = 0;j < i;++j) {
chmin(dp[i], sum + cost(j+1, i-1) + dp[j]);
}
chmin(dp[i], sum + cost(0, i-1));
DE(i, d, c, dp[i]);
}
}
int32_t main() {
ios_base::sync_with_stdio(0), cin.tie(0);
cin >> X >> n >> m >> W >> T;
for (int i = 0;i < n;++i)
cin >> s[i];
s[n++] = X;
for (int i = 0;i < m;++i) {
auto &[d, c] = man[i];
cin >> d >> c;
}
man[m++] = make_pair(0, inf);
solve();
ll res = inf;
for (int i = 1;i < m;++i) {
chmin(res, dp[i] + cost(i+1, m-1));
}
cout << res << '\n';
}
Compilation message
coach.cpp: In function 'void solve()':
coach.cpp:14:17: warning: statement has no effect [-Wunused-value]
14 | #define DE(...) 0
| ^
coach.cpp:59:3: note: in expansion of macro 'DE'
59 | DE(i, sp[i]);
| ^~
coach.cpp:14:17: warning: statement has no effect [-Wunused-value]
14 | #define DE(...) 0
| ^
coach.cpp:69:3: note: in expansion of macro 'DE'
69 | DE(i, d, c, dp[i]);
| ^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
