#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
#ifdef _DEBUG
#define dout(x) clog << "Line " << __LINE__ << ": " << #x << "=" << (x) << el
#else
#define dout(x)
#endif
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define uid(a,b) uniform_int_distribution<int>(a,b)(rng)
#define ins insert
#define ssize(x) (int((x).size()))
#define bs(args...) binary_search(args)
#define lb(args...) lower_bound(args)
#define ub(args...) upper_bound(args)
#define all(x) (x).begin(),(x).end()
#define mp(a, b) make_pair(a, b)
#define mt(args...) make_tuple(args)
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second
#define die exit(0)
template<typename T>
using vc = vector<T>;
template<typename T>
using uset = unordered_set<T>;
template<typename A, typename B>
using umap = unordered_map<A, B>;
template<typename T, typename Comp>
using pq = std::priority_queue<T, vc<T>, Comp>;
template<typename T>
using maxpq = pq<T, less<T>>;
template<typename T>
using minpq = pq<T, greater<T>>;
template<typename T>
using oset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
using db = double;
using ld = long double;
using ll = long long;
using ull = unsigned long long;
using pi = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vc<int>;
using vll = vc<ll>;
using vpi = vc<pi>;
using vpll = vc<pll>;
using str = string;
constexpr char el = '\n';
constexpr char sp = ' ';
constexpr int inf = 0x3f3f3f3f;
constexpr ll llinf = 0x3f3f3f3f3f3f3f3fLL;
// ---------------------------------------------------------------------
const int N = 1e5+5;
const int MM = 4e5+5;
const int mod = 30013;
int n, dp[N], dp2[N];
struct evan {
int a, b, c, d;
} a[N];
struct node {
int max = 0, cnt = 0;
} seg[MM];
vi qs[N];
map<pi, pi> mp;
void pull(int i){
if(seg[2*i].max==seg[2*i+1].max){
seg[i].max = seg[2*i].max;
seg[i].cnt = (seg[2*i].cnt + seg[2*i+1].cnt)%mod;
}else if(seg[2*i].max<seg[2*i+1].max)
seg[i] = seg[2*i+1];
else
seg[i] = seg[2*i];
}
void upd(int i, int x, int y){
// i is 0-indexed
i += 2*n;
if(x==seg[i].max)
seg[i].cnt += y;
else if(x>seg[i].max){
seg[i].max = x;
seg[i].cnt = y;
}
for(i /= 2; i > 0; i /= 2)
pull(i);
}
pi qry(int r){
// r is 0-indexed
r += 2*n;
int l = 2*n;
int car = 0, cnt = 0;
while(l<=r){
if(l&1){
if(seg[l].max>car){
car = seg[l].max;
cnt = seg[l].cnt;
}else if(seg[l].max==car)
cnt = (cnt+seg[l].cnt)%mod;
++l;
}
if(r&1^1){
if(seg[r].max>car){
car = seg[r].max;
cnt = seg[r].cnt;
}else if(seg[r].max==car)
cnt = (cnt+seg[r].cnt)%mod;
--r;
}
l /= 2; r /= 2;
}
return mp(car, cnt);
}
void unik(vi &v){
sort(all(v));
vi u{v[0]};
for(int i = 1; i < ssize(v); ++i)
if(v[i]^v[i-1])
u.pb(v[i]);
swap(u, v);
}
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
cout << fixed; clog << fixed; clog << unitbuf;
#ifdef _DEBUG
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
freopen("debug.txt", "w", stderr);
#else
//freopen(".in", "r", stdin);
//freopen(".out", "w", stdout);
#endif
cin >> n;
vi cct, ccb;
for(int i = 1; i <= n; ++i){
cin >> a[i].a >> a[i].b >> a[i].c >> a[i].d;
cct.pb(a[i].a);
cct.pb(a[i].b);
ccb.pb(a[i].c);
ccb.pb(a[i].d);
}
unik(cct);
unik(ccb);
for(int i = 1; i <= n; ++i){
a[i].a = lb(all(cct), a[i].a)-cct.begin();
a[i].b = lb(all(cct), a[i].b)-cct.begin();
a[i].c = lb(all(ccb), a[i].c)-ccb.begin();
a[i].d = lb(all(ccb), a[i].d)-ccb.begin();
}
sort(a+1, a+1+n, [](evan x, evan y){
return x.b < y.b;
});
#ifdef _DEBUG
clog << "Line " << __LINE__ << ":\n";
for(int i = 1; i <= n; ++i)
clog << a[i].a << sp << a[i].b << sp << a[i].c << sp << a[i].d << el;
clog << el;
#endif
int p = 0;
for(int i = 1; i <= n; ++i){
while(a[p+1].b<a[i].a)
++p;
qs[p].pb(a[i].c-1);
}
p = 0;
for(int i = 1; i <= n; ++i){
while(a[p+1].b<a[i].a)
++p;
auto[car, cnt] = mp[mp(p, a[i].c-1)];
if(dp[i-1]<=car+1) {
dp[i] = car+1;
dp2[i] = max(1, cnt);
}
upd(a[i].d, dp[i], dp2[i]);
for(int j: qs[i])
mp[mp(i, j)] = qry(j);
}
auto[car, cnt] = qry(2*n-1);
cout << car << sp << cnt%mod;
#ifdef _DEBUG
clog << "Line " << __LINE__ << ":\n";
for(int i = 0; i <= n; ++i)
clog << dp[i] << sp << dp2[i] << el;
clog << el;
#endif
}
Compilation message
trapezoid.cpp: In function 'pi qry(int)':
trapezoid.cpp:113:13: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
113 | if(r&1^1){
| ~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
2636 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2636 KB |
Output is correct |
| 3 |
Incorrect |
2 ms |
2764 KB |
Output isn't correct |
| 4 |
Correct |
3 ms |
2856 KB |
Output is correct |
| 5 |
Incorrect |
5 ms |
2936 KB |
Output isn't correct |
| 6 |
Incorrect |
6 ms |
3148 KB |
Output isn't correct |
| 7 |
Correct |
8 ms |
3276 KB |
Output is correct |
| 8 |
Incorrect |
9 ms |
3464 KB |
Output isn't correct |
| 9 |
Incorrect |
17 ms |
4216 KB |
Output isn't correct |
| 10 |
Correct |
31 ms |
5632 KB |
Output is correct |
| 11 |
Incorrect |
37 ms |
6372 KB |
Output isn't correct |
| 12 |
Incorrect |
82 ms |
10148 KB |
Output isn't correct |
| 13 |
Incorrect |
102 ms |
11556 KB |
Output isn't correct |
| 14 |
Incorrect |
138 ms |
12868 KB |
Output isn't correct |
| 15 |
Incorrect |
155 ms |
13564 KB |
Output isn't correct |
| 16 |
Incorrect |
165 ms |
14364 KB |
Output isn't correct |
| 17 |
Incorrect |
149 ms |
14984 KB |
Output isn't correct |
| 18 |
Correct |
143 ms |
15732 KB |
Output is correct |
| 19 |
Incorrect |
183 ms |
16120 KB |
Output isn't correct |
| 20 |
Incorrect |
179 ms |
16908 KB |
Output isn't correct |
