#include <iostream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <cstring>
#include <chrono>
#include <vector>
#include <map>
#include <random>
#include <set>
#include <algorithm>
#include <math.h>
#include <cstdio>
#include <stdio.h>
#include <queue>
#include <bitset>
#include <cstdlib>
#include <deque>
#include <cassert>
#include <stack>
using namespace std;
#define mp make_pair
#define f first
#define se second
#define pb push_back
#define ppb pop_back
#define emb emplace_back
#define ll long long
#define ull unsigned long long
#define cntbit(x) __builtin_popcount(x)
#define endl '\n'
#define uset unordered_set
#define umap unordered_map
#define pii pair<int, int>
#define ld long double
#define pll pair<long long, long long>
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template <typename T> inline T range(T l, T r) {
return uniform_int_distribution<T>(l, r)(rng);
}
inline void setin(string s) {
freopen(s.c_str(), "r", stdin);
}
inline void setout(string s) {
freopen(s.c_str(), "w", stdout);
}
template <typename T> void Min(T &a, T b) {
a = min(a, b);
}
template <typename T> void Max(T &a, T b) {
a = max(a, b);
}
const int mod = 30013;
const int inf = 0x3f3f3f3f;
const int N = 1e5 + 15;
int n;
struct pt {
int l1, r1, l2, r2;
bool operator < (const pt &rhs) const {
return mp(r2, l2) < mp(rhs.r2, rhs.l2);
}
} a[N];
pii dp[N];
inline bool lie(int l, int x, int r) {
return l <= x && x <= r;
}
inline pii merge(pii a, pii b) {
if(a.f == b.f)
return mp(a.f, (a.se + b.se) % mod);
return max(a, b);
}
pii empty_val(0, 0);
struct node {
node *l, *r;
pii val;
node(node *_l = NULL, node *_r = NULL) {
l = _l, r = _r;
val = merge(l ? l->val : empty_val, r ? r->val : empty_val);
}
};
typedef node* pnode;
vector <pnode> roots = {NULL};
pnode update(pnode t, int tl, int tr, int pos, pii val) {
if(tl == tr) {
pnode nw = new node(t);
nw->val = merge(nw->val, val);
return nw;
}
int mid = tl + tr >> 1;
if(pos <= mid)
return new node(update(t ? t->l : NULL, tl, mid, pos, val), t ? t->r : NULL);
return new node(t ? t->l : NULL, update(t ? t->r : NULL, mid + 1, tr, pos, val));
}
pii get(pnode t, int tl, int tr, int l, int r) {
if(tl > r || tr < l || !t)
return empty_val;
if(tl >= l && tr <= r)
return t->val;
int mid = tl + tr >> 1;
return merge(get(t->l, tl, mid, l, r), get(t->r, mid + 1, tr, l, r));
}
vector <int> comp;
inline void compress_coordinates_l1_r1() {
for(int i = 1; i <= n; ++i)
comp.pb(a[i].l1), comp.pb(a[i].r1);
sort(comp.begin(), comp.end());
comp.erase(unique(comp.begin(), comp.end()), comp.end());
auto gt = [&](int x) {
return lower_bound(comp.begin(), comp.end(), x) - comp.begin();
};
for(int i = 1; i <= n; ++i)
a[i].l1 = gt(a[i].l1), a[i].r1 = gt(a[i].r1);
}
inline int lower_bound(int r, int x) {
int l = 1, res = 0;
while(l <= r) {
int mid = l + r >> 1;
if(a[mid].r2 < x)
l = mid + 1, res = mid;
else
r = mid - 1;
}
return res;
}
main() {
ios_base::sync_with_stdio(0); cout.tie(0); cin.tie(0);
// setin("input.txt");
cin >> n;
for(int i = 1; i <= n; ++i)
cin >> a[i].l1 >> a[i].r1 >> a[i].l2 >> a[i].r2;
sort(a + 1, a + 1 + n);
compress_coordinates_l1_r1();
for(int i = 1; i <= n; ++i) {
dp[i] = {1, 1};
int ind = lower_bound(i - 1, a[i].l2);
if(ind != 0) {
pii nw = get(roots[ind], 0, 2 * n, 0, a[i].l1 - 1);
nw.f++;
dp[i] = merge(dp[i], nw);
}
roots.pb(update(roots.back(), 0, 2 * n, a[i].r1, dp[i]));
}
pii ans(0, 0);
for(int i = 1; i <= n; ++i)
ans = merge(ans, dp[i]);
cout << ans.f << ' ' << ans.se << endl;
return 0;
}
Compilation message
trapezoid.cpp: In function 'node* update(pnode, int, int, int, std::pair<int, int>)':
trapezoid.cpp:106:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = tl + tr >> 1;
~~~^~~~
trapezoid.cpp: In function 'std::pair<int, int> get(pnode, int, int, int, int)':
trapezoid.cpp:117:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = tl + tr >> 1;
~~~^~~~
trapezoid.cpp: In function 'int lower_bound(int, int)':
trapezoid.cpp:138:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = l + r >> 1;
~~^~~
trapezoid.cpp: At global scope:
trapezoid.cpp:147:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main() {
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
512 KB |
Output is correct |
| 4 |
Correct |
6 ms |
768 KB |
Output is correct |
| 5 |
Correct |
8 ms |
1280 KB |
Output is correct |
| 6 |
Correct |
10 ms |
1792 KB |
Output is correct |
| 7 |
Correct |
11 ms |
2304 KB |
Output is correct |
| 8 |
Correct |
13 ms |
2816 KB |
Output is correct |
| 9 |
Correct |
24 ms |
5624 KB |
Output is correct |
| 10 |
Correct |
44 ms |
11380 KB |
Output is correct |
| 11 |
Correct |
56 ms |
14452 KB |
Output is correct |
| 12 |
Correct |
116 ms |
29944 KB |
Output is correct |
| 13 |
Correct |
145 ms |
36336 KB |
Output is correct |
| 14 |
Correct |
165 ms |
42860 KB |
Output is correct |
| 15 |
Correct |
195 ms |
46192 KB |
Output is correct |
| 16 |
Correct |
227 ms |
49516 KB |
Output is correct |
| 17 |
Correct |
217 ms |
52844 KB |
Output is correct |
| 18 |
Correct |
190 ms |
56172 KB |
Output is correct |
| 19 |
Correct |
205 ms |
59504 KB |
Output is correct |
| 20 |
Correct |
255 ms |
62828 KB |
Output is correct |
