| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 887520 | nnhzzz | trapezoid (balkan11_trapezoid) | C++14 | 68 ms | 15360 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
/* [Author: Nguyen Ngoc Hung] - From THPT Ngo Gia Tu with Love */
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <locale>
#include <map>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <unordered_set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <utility>
#include <valarray>
#include <vector>
#include <cstring>
#include <unordered_map>
#include <cmath>
#include <array>
#include <cassert>
#include <random>
#include <chrono>
using namespace std;
#define __nnhzzz__ signed main()
#define BIT(i,j) (((i)>>(j))&1LL)
#define MASK(i) (1LL<<(i))
#define ALL(x) (x).begin(),(x).end()
#define SZ(x) (int)(x).size()
#define fi first
#define se second
#define ll long long
#define ld long double
#define vi vector<int>
#define vvi vector<vi>
#define vvvi vector<vvi>
#define pii pair<int,int>
#define vpii vector<pii>
#define vvpii vector<vpii>
#define REPDIS(i,be,en,j) for(int i = (be); i<=(en); i+=j)
#define REPD(i,be,en) for(int i = (be); i>=(en); i--)
#define REP(i,be,en) for(int i = (be); i<=(en); i++)
#define endl "\n"
#define MP make_pair
// #define int ll
//-----------------------------------------------------------------------------------------------//
int readInt(){
char c;
do{ c = getchar(); }while(c!='-' && !isdigit(c));
bool neg = (c=='-');
int res = neg?0:c-'0';
while(isdigit(c=getchar())) res = (res<<3)+(res<<1)+(c-'0');
return neg?-res:res;
}
//------------------------------------------------------------------------------------------------//
const ll LINF = 1e18;
const int INF = 1e9;
const int LOG = 20;
const int MAXN = 5e5+7;
const int N = 1e2+3;
const int MOD = 30013;
const int BASE = 1e5;
const ld EPS = 1e-9;
const ld PI = acos(-1);
const int OFFSET = 1e3;
//------------------------------------------------------------------------------------------------//
template<typename T1, typename T2> bool mini(T1 &a, T2 b){if(a>b){a=b;return true;}return false;}
template<typename T1, typename T2> bool maxi(T1 &a, T2 b){if(a<b){a=b;return true;}return false;}
template<typename T> T gcd(T a, T b) { while(b) { a %= b; swap(a,b); } return a; }
template<typename T> T lcm(T a, T b) { return a/gcd(a,b)*b; }
//------------------------------------------------------------------------------------------------//
/*
----------------------------------------------------------------
END OF TEMPLATE
----------------------------------------------------------------
Nguyen Ngoc Hung - nnhzzz
Training for VOI24 gold medal
----------------------------------------------------------------
*/
struct Node{
int x,y,u,v;
bool operator < (const Node &other) const {
return x<other.x;
}
};
struct FENWICK_TREE{
vi f;
int n;
void update(int id, int val){
for(; id<=n; id+=id&-id){
f[id] += val;
}
}
int get(int id){
int res = 0;
for(; id>0; id-=id&-id){
res += f[id];
}
return res;
}
int get(int l, int r){
return get(r)-get(l-1);
}
FENWICK_TREE(int _):n(_){
f.resize(n+1);
}
};
Node a[MAXN];
pii dp[MAXN];
int n;
namespace sub1{
void solve(){
int res1 = 0,res2 = 0;
REP(i,1,n){
dp[i] = MP(1,1);
int dem = 0;
REP(j,1,i-1){
if(a[i].x>a[j].y && a[i].u>a[j].v){
++dem;
if(dp[j].fi>=dp[i].fi) dp[i] = MP(dp[j].fi+1,dp[j].se);
else if(dp[i].fi==dp[j].fi+1) dp[i].se = (dp[i].se+dp[j].se)%MOD;
}
}
maxi(res1,dp[i].fi);
cerr << dem;
}
REP(i,1,n) if(dp[i].fi==res1) res2 = (res2+dp[i].se)%MOD;
cout << res1 << " " << res2;
}
}
namespace sub2{
struct events{
int fi,se,op,id;
bool operator < (const events &other) const {
return fi<other.fi;
}
};
int b[MAXN];
pii f[MAXN];
const int BASE = MAXN-7;
pii combine(const pii &u, const pii &v){
if(u.fi<v.fi) return v;
if(v.fi<u.fi) return u;
return MP(u.fi,(u.se+v.se)%MOD);
}
void update(int id, pii val){
for(; id<=BASE; id+=id&-id) f[id] = combine(f[id],val);
}
pii get(int id){
pii res = MP(0,1);
for(; id>0; id-=id&-id) res = combine(res,f[id]);
return res;
}
void solve(){
vector<events> ev;
vi cur;
REP(i,1,n){
ev.push_back({a[i].x,a[i].u,-1,i});
ev.push_back({a[i].y,a[i].v,1,i});
cur.push_back(a[i].u); cur.push_back(a[i].v);
}
sort(ALL(cur)); cur.resize(unique(ALL(cur))-cur.begin());
sort(ALL(ev));
pii res = MP(1,1);
REP(i,0,SZ(ev)-1){
int fi = ev[i].fi,se = ev[i].se,op = ev[i].op,id = ev[i].id;
int pos = upper_bound(ALL(cur),se)-cur.begin();
if(op==-1){
dp[id] = get(pos);
++dp[id].fi;
res = combine(res,dp[id]);
}else{
update(pos,dp[id]);
}
}
cout << res.fi << " " << res.se;
}
// void solve(){
// pii res = MP(1,1);
// vpii cur; vi comp;
// REP(i,1,n){
// cur.push_back(MP(a[i].x,a[i].u));
// // cur.push_back(MP(a[i].y,a[i].v));
// comp.push_back(a[i].v);
// comp.push_back(a[i].u);
// }
// sort(ALL(cur)); cur.resize(unique(ALL(cur))-cur.begin());
// sort(ALL(comp)); comp.resize(unique(ALL(comp))-comp.begin());
// FENWICK_TREE fen(MAXN-1);
// priority_queue<pii,vpii,greater<pii>> heap;
// REP(i,1,n){
// heap.push(MP(a[i].y,a[i].v));
// while(SZ(heap)!=0 && heap.top().fi<a[i].x){
// int pos = upper_bound(ALL(comp),heap.top().se)-comp.begin();
// fen.update(pos,1);
// heap.pop();
// }
// int pos = upper_bound(ALL(comp),a[i].u)-comp.begin();
// b[i] = fen.get(pos);
// }
// REP(i,1,n){
// int l = b[i];
// int r = upper_bound(ALL(cur),MP(a[i].x,a[i].u))-cur.begin();
// dp[i] = get(l-1); ++dp[i].fi;
// update(r,dp[i]);
// cout << dp[i].fi << " " << dp[i].se << endl;
// maxi(res,dp[i]);
// }
// res = get(2*n);
// cout << res.fi << " " << res.se;
// }
}
void solve(){
n = readInt();
REP(i,1,n){
//cin >> a[i].x >> a[i].y >> a[i].u >> a[i].v;
a[i].x = readInt();
a[i].y = readInt();
a[i].u = readInt();
a[i].v = readInt();
}
sort(a+1,a+n+1);
sub2::solve(); return ;
if(n<=5000){
sub1::solve();
return ;
}
sub2::solve();
}
__nnhzzz__{
ios::sync_with_stdio(0);
// cin.tie(0);
// cout.tie(0);
#define task "test"
if(fopen(task".inp","r")){
freopen(task".inp","r",stdin);
freopen(task".out","w",stdout);
}
#define task1 "nnhzzz"
if(fopen(task1".inp","r")){
freopen(task1".inp","r",stdin);
freopen(task1".out","w",stdout);
}
int test = 1;
while(test--){
solve();
}
cerr << "\nTime elapsed: " << 1000*clock()/CLOCKS_PER_SEC << "ms\n";
return 0;
}
/** /\_/\
* (= ._.)
* / >TL \>AC
**/
Compilation message (stderr)
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