#pragma GCC optimize("Ofast,unroll-loops")
// #pragma comment(linker, "/stack:200000000")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef pair <ll, ll> pll;
#ifdef SINA
#define dbg(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cout << name << " : " << arg1 << std::endl; }
template <typename Arg1, typename... Args> void __f (const char* names, Arg1&& arg1, Args&&... args) {
const char* comma = strchr(names + 1, ',');cout.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...); }
#define dbg2(x, j, n) cout<< #x << " : "; output((j), (n), x, 1); cout.flush();
#else
#define dbg(...) 0
#define dbg2(x, j, n) 0
#endif
#define SZ(x) ((ll)((x).size()))
#define File(s, t) freopen(s ".txt", "r", stdin); freopen(t ".txt", "w", stdout);
#define input(j, n, a) for (int _i = (j); _i < (n)+(j); _i++) cin>> a[_i];
#define output(j, n, a, t) for (int _i = (j); _i < (n)+(j); _i++) cout<< a[_i] << (((t) && _i != (n)+(j)-1)? ' ' : '\n');
#define kill(x) return cout<< (x) << endl, 0
#define cl const ll
#define fr first
#define sc second
#define lc (v << 1)
#define rc (lc | 1)
#define mid ((l + r) >> 1)
#define All(x) (x).begin(), (x).end()
cl inf = sizeof(ll) == 4 ? (1e9 + 10) : (3e18), mod = 1e9 + 7, MOD = 998244353;
template <class A,class B> ostream& operator << (ostream& out,const pair<A,B>&a){return out<<'('<<a.first<<", "<<a.second<<')';}
template <class A> ostream& operator << (ostream& out, const vector<A> &a) {
out<< '['; for (int i = -1; ++i < int(a.size());) out<< a[i] << (i + 1 < int(a.size()) ? ", " : ""); return out<<']'; }
template <class T, typename _t = less <T> > using Tree = tree <T, null_type, _t, rb_tree_tag, tree_order_statistics_node_update>;
cl N = 1e5 + 7;
ll a [N], b [N], c [N], d [N], dp [N], ans, n, m;
vector <ll> cmprs;
struct segtree {
ll l, r, mn;
segtree *lt, *rt;
inline segtree (cl &L = 1, cl &R = N - 2) : l(L), r(R), mn(inf) {}
void build () {
if (l == r) return;
lt = new segtree (l, mid);
rt = new segtree (mid + 1, r);
lt->build();
rt->build();
}
void upd (cl &pos, cl &x) {
if (l == r) {
mn = min(mn, x);
return;
}
if (pos <= lt->r) lt->upd(pos, x);
else rt->upd(pos, x);
mn = min(lt->mn, rt->mn);
}
ll ask (cl &ql, cl &qr) {
if (r < ql || qr < l) return inf;
if (ql <= l && r <= qr) return mn;
return min(lt->ask(ql, qr), rt->ask(ql, qr));
}
} seg1, segn;
int main ()
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
memset(dp, 63, sizeof dp);
cin>> m >> n;
cmprs = {1, n};
for (ll i = 1; i <= m; i++) {
cin>> a[i] >> b[i] >> c[i] >> d[i];
cmprs.push_back(c[i]);
}
sort(All(cmprs)); cmprs.resize(unique(All(cmprs)) - cmprs.begin());
seg1.r = SZ(cmprs); seg1.build(); seg1.upd(1, 0);
segn.r = SZ(cmprs); segn.build(); segn.upd(SZ(cmprs), 0);
for (ll i = 1, mn1, mnn; i <= m; i++) {
a[i] = lower_bound(All(cmprs), a[i]) - cmprs.begin() + 1;
b[i] = upper_bound(All(cmprs), b[i]) - cmprs.begin();
c[i] = upper_bound(All(cmprs), c[i]) - cmprs.begin();
mn1 = seg1.ask(a[i], b[i]); mnn = segn.ask(a[i], b[i]);
dp[c[i]] = min(dp[c[i]], mn1 + mnn + d[i]);
seg1.upd(c[i], mn1 + d[i]); segn.upd(c[i], mnn + d[i]);
}
ans = *min_element(dp, dp + N);
if (ans >= inf) ans = -1;
cout<< ans << endl;
cerr<< "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
return 0;
}
/*
5 6
2 4 3 5
1 2 2 8
3 6 5 2
4 6 4 7
2 4 3 10
3 5
2 4 3 10
1 3 1 20
2 5 4 30
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1132 KB |
Output is correct |
2 |
Correct |
2 ms |
1132 KB |
Output is correct |
3 |
Correct |
2 ms |
1132 KB |
Output is correct |
4 |
Correct |
2 ms |
1132 KB |
Output is correct |
5 |
Correct |
2 ms |
1132 KB |
Output is correct |
6 |
Correct |
2 ms |
1132 KB |
Output is correct |
7 |
Correct |
2 ms |
1132 KB |
Output is correct |
8 |
Correct |
2 ms |
1132 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1132 KB |
Output is correct |
2 |
Correct |
2 ms |
1132 KB |
Output is correct |
3 |
Correct |
2 ms |
1132 KB |
Output is correct |
4 |
Correct |
2 ms |
1132 KB |
Output is correct |
5 |
Correct |
2 ms |
1132 KB |
Output is correct |
6 |
Correct |
2 ms |
1132 KB |
Output is correct |
7 |
Correct |
2 ms |
1132 KB |
Output is correct |
8 |
Correct |
2 ms |
1132 KB |
Output is correct |
9 |
Correct |
2 ms |
1132 KB |
Output is correct |
10 |
Correct |
2 ms |
1260 KB |
Output is correct |
11 |
Correct |
2 ms |
1132 KB |
Output is correct |
12 |
Correct |
2 ms |
1260 KB |
Output is correct |
13 |
Correct |
2 ms |
1260 KB |
Output is correct |
14 |
Correct |
2 ms |
1260 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1132 KB |
Output is correct |
2 |
Correct |
2 ms |
1132 KB |
Output is correct |
3 |
Correct |
2 ms |
1132 KB |
Output is correct |
4 |
Correct |
2 ms |
1132 KB |
Output is correct |
5 |
Correct |
2 ms |
1132 KB |
Output is correct |
6 |
Correct |
2 ms |
1132 KB |
Output is correct |
7 |
Correct |
2 ms |
1132 KB |
Output is correct |
8 |
Correct |
2 ms |
1132 KB |
Output is correct |
9 |
Correct |
2 ms |
1132 KB |
Output is correct |
10 |
Correct |
2 ms |
1260 KB |
Output is correct |
11 |
Correct |
2 ms |
1132 KB |
Output is correct |
12 |
Correct |
2 ms |
1260 KB |
Output is correct |
13 |
Correct |
2 ms |
1260 KB |
Output is correct |
14 |
Correct |
2 ms |
1260 KB |
Output is correct |
15 |
Correct |
2 ms |
1132 KB |
Output is correct |
16 |
Correct |
2 ms |
1260 KB |
Output is correct |
17 |
Correct |
3 ms |
1388 KB |
Output is correct |
18 |
Correct |
2 ms |
1260 KB |
Output is correct |
19 |
Correct |
3 ms |
1388 KB |
Output is correct |
20 |
Correct |
3 ms |
1260 KB |
Output is correct |
21 |
Correct |
2 ms |
1260 KB |
Output is correct |
22 |
Correct |
5 ms |
1388 KB |
Output is correct |
23 |
Correct |
3 ms |
1388 KB |
Output is correct |
24 |
Correct |
3 ms |
1388 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1132 KB |
Output is correct |
2 |
Correct |
2 ms |
1132 KB |
Output is correct |
3 |
Correct |
2 ms |
1132 KB |
Output is correct |
4 |
Correct |
2 ms |
1132 KB |
Output is correct |
5 |
Correct |
2 ms |
1132 KB |
Output is correct |
6 |
Correct |
2 ms |
1132 KB |
Output is correct |
7 |
Correct |
2 ms |
1132 KB |
Output is correct |
8 |
Correct |
2 ms |
1132 KB |
Output is correct |
9 |
Correct |
2 ms |
1132 KB |
Output is correct |
10 |
Correct |
2 ms |
1260 KB |
Output is correct |
11 |
Correct |
2 ms |
1132 KB |
Output is correct |
12 |
Correct |
2 ms |
1260 KB |
Output is correct |
13 |
Correct |
2 ms |
1260 KB |
Output is correct |
14 |
Correct |
2 ms |
1260 KB |
Output is correct |
15 |
Correct |
2 ms |
1132 KB |
Output is correct |
16 |
Correct |
2 ms |
1260 KB |
Output is correct |
17 |
Correct |
3 ms |
1388 KB |
Output is correct |
18 |
Correct |
2 ms |
1260 KB |
Output is correct |
19 |
Correct |
3 ms |
1388 KB |
Output is correct |
20 |
Correct |
3 ms |
1260 KB |
Output is correct |
21 |
Correct |
2 ms |
1260 KB |
Output is correct |
22 |
Correct |
5 ms |
1388 KB |
Output is correct |
23 |
Correct |
3 ms |
1388 KB |
Output is correct |
24 |
Correct |
3 ms |
1388 KB |
Output is correct |
25 |
Correct |
23 ms |
3180 KB |
Output is correct |
26 |
Correct |
68 ms |
6896 KB |
Output is correct |
27 |
Correct |
248 ms |
14692 KB |
Output is correct |
28 |
Correct |
145 ms |
9060 KB |
Output is correct |
29 |
Correct |
170 ms |
12040 KB |
Output is correct |
30 |
Correct |
209 ms |
10692 KB |
Output is correct |
31 |
Correct |
413 ms |
22244 KB |
Output is correct |
32 |
Correct |
376 ms |
19392 KB |
Output is correct |
33 |
Correct |
35 ms |
6384 KB |
Output is correct |
34 |
Correct |
168 ms |
14568 KB |
Output is correct |
35 |
Correct |
184 ms |
27748 KB |
Output is correct |
36 |
Correct |
463 ms |
27876 KB |
Output is correct |
37 |
Correct |
330 ms |
27748 KB |
Output is correct |
38 |
Correct |
294 ms |
27748 KB |
Output is correct |