#include <iostream>
#include <vector>
#include <tuple>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <map>
#include <cmath>
#include <array>
#include <random>
#include <string>
#include <cassert>
#include <climits>
#include <algorithm>
#include <unordered_set>
#include <unordered_map>
using namespace std;
#define ll long long
#define f first
#define s second
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
template<typename A> void __print(const A &x);
template<typename A, typename B> void __print(const pair<A, B> &p);
template<typename... A> void __print(const tuple<A...> &t);
template<typename T> void __print(stack<T> s);
template<typename T> void __print(queue<T> q);
template<typename T, typename... U> void __print(priority_queue<T, U...> q);
template<typename A> void __print(const A &x) {
bool first = true;
cerr << '{';
for (const auto &i : x) {
cerr << (first ? "" : ","), __print(i);
first = false;
}
cerr << '}';
}
template<typename A, typename B> void __print(const pair<A, B> &p) {
cerr << '(';
__print(p.f);
cerr << ',';
__print(p.s);
cerr << ')';
}
template<typename... A> void __print(const tuple<A...> &t) {
bool first = true;
cerr << '(';
apply([&first] (const auto &...args) { ((cerr << (first ? "" : ","), __print(args), first = false), ...); }, t);
cerr << ')';
}
template<typename T> void __print(stack<T> s) {
vector<T> debugVector;
while (!s.empty()) {
T t = s.top();
debugVector.push_back(t);
s.pop();
}
reverse(debugVector.begin(), debugVector.end());
__print(debugVector);
}
template<typename T> void __print(queue<T> q) {
vector<T> debugVector;
while (!q.empty()) {
T t = q.front();
debugVector.push_back(t);
q.pop();
}
__print(debugVector);
}
template<typename T, typename... U> void __print(priority_queue<T, U...> q) {
vector<T> debugVector;
while (!q.empty()) {
T t = q.top();
debugVector.push_back(t);
q.pop();
}
__print(debugVector);
}
void _print() { cerr << "]\n"; }
template <typename Head, typename... Tail> void _print(const Head &H, const Tail &...T) {
__print(H);
if (sizeof...(T)) cerr << ", ";
_print(T...);
}
#ifdef DEBUG
#define D(...) cerr << "Line: " << __LINE__ << " [" << #__VA_ARGS__ << "] = ["; _print(__VA_ARGS__)
#else
#define D(...)
#endif
struct Node {
int l, r;
ll mn;
Node *lft, *rht;
Node (int tl, int tr): l(tl), r(tr), mn(1e18) {
if (l + 1 != r) {
lft = new Node(l, (l + r) / 2);
rht = new Node((l + r) / 2, r);
} else {
lft = rht = NULL;
}
}
};
void update(Node *x, int pos, ll val) {
if (pos < x->l || x->r <= pos) {
return;
}
if (x->l + 1 == x->r) {
x->mn = min(x->mn, val);
return;
}
update(x->lft, pos, val);
update(x->rht, pos, val);
x->mn = min(x->lft->mn, x->rht->mn);
}
ll query(Node *x, int l, int r) {
if (r <= x->l || x->r <= l) {
return 1e18;
}
if (l <= x->l && x->r <= r) {
return x->mn;
}
return min(query(x->lft, l, r), query(x->rht, l, r));
}
int n, m, idx;
ll ans;
set<int> coords;
map<int, int> mp;
vector<array<int, 4>> otiles, tiles;
Node *rootl, *rootr;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> m >> n;
for (int i = 0, a, b, c, d; i < m; i++) {
cin >> a >> b >> c >> d;
coords.insert(a);
coords.insert(b);
coords.insert(c);
otiles.push_back({a, b, c, d});
}
coords.insert(1);
coords.insert(n);
for (int i : coords) {
mp[i] = idx++;
}
rootl = new Node(0, idx);
rootr = new Node(0, idx);
for (int i = 0; i < m; i++) {
tiles.push_back({mp[otiles[i][0]], mp[otiles[i][1]], mp[otiles[i][2]], otiles[i][3]});
}
ans = 1e18;
for (int i = 0; i < m; i++) {
ll lft = (!tiles[i][0] ? 0 : query(rootl, tiles[i][0], tiles[i][1] + 1)) + tiles[i][3];
ll rht = (tiles[i][1] == idx - 1 ? 0 : query(rootr, tiles[i][0], tiles[i][1] + 1)) + tiles[i][3];
update(rootl, tiles[i][2], lft);
update(rootr, tiles[i][2], rht);
ans = min(ans, lft + rht - tiles[i][3]);
}
cout << (ans == 1e18 ? -1 : ans) << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
784 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
784 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
528 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
464 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
1 ms |
600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
784 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
528 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
464 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
1 ms |
600 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
600 KB |
Output is correct |
17 |
Correct |
2 ms |
860 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
3 ms |
1116 KB |
Output is correct |
20 |
Correct |
2 ms |
604 KB |
Output is correct |
21 |
Correct |
1 ms |
860 KB |
Output is correct |
22 |
Correct |
3 ms |
1368 KB |
Output is correct |
23 |
Correct |
2 ms |
1388 KB |
Output is correct |
24 |
Correct |
3 ms |
1372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
784 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
528 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
464 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
1 ms |
600 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
600 KB |
Output is correct |
17 |
Correct |
2 ms |
860 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
3 ms |
1116 KB |
Output is correct |
20 |
Correct |
2 ms |
604 KB |
Output is correct |
21 |
Correct |
1 ms |
860 KB |
Output is correct |
22 |
Correct |
3 ms |
1368 KB |
Output is correct |
23 |
Correct |
2 ms |
1388 KB |
Output is correct |
24 |
Correct |
3 ms |
1372 KB |
Output is correct |
25 |
Correct |
24 ms |
6100 KB |
Output is correct |
26 |
Correct |
85 ms |
18124 KB |
Output is correct |
27 |
Correct |
295 ms |
35676 KB |
Output is correct |
28 |
Correct |
118 ms |
9160 KB |
Output is correct |
29 |
Correct |
183 ms |
30408 KB |
Output is correct |
30 |
Correct |
201 ms |
14016 KB |
Output is correct |
31 |
Correct |
526 ms |
56132 KB |
Output is correct |
32 |
Correct |
427 ms |
42940 KB |
Output is correct |
33 |
Correct |
54 ms |
18572 KB |
Output is correct |
34 |
Correct |
251 ms |
46784 KB |
Output is correct |
35 |
Correct |
344 ms |
93124 KB |
Output is correct |
36 |
Correct |
674 ms |
93448 KB |
Output is correct |
37 |
Correct |
554 ms |
93412 KB |
Output is correct |
38 |
Correct |
488 ms |
93212 KB |
Output is correct |