| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 718952 |
2023-04-05T07:47:12 Z |
vjudge1 |
Plahte (COCI17_plahte) |
C++17 |
|
942 ms |
54852 KB |
#include <bits/stdc++.h>
#define MAX 80001
#define INF LLONG_MAX
#define MOD 1000000007
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ins insert
#define ff first
#define ss second
#define gett(x,m) get<m>(x)
#define all(a) a.begin(),a.end()
#define lb(a,b) lower_bound(all(a),b)
#define ub(a,b) upper_bound(all(a),b)
#define sortv(a) sort(all(a))
#define sorta(a,sz) sort(a,a+sz)
#define inputar(a,b){\
for(int i=0;i<b;i++){\
cin >> a[i];\
}\
}
#define inputvec(a,b){\
for(int i=0;i<b;i++){\
ll num;\
cin >> num;\
a.pb(num);\
}\
}
#define outputar(a,b){\
for(int i=0;i<b;i++){\
cout << a[i] << " ";\
}\
cout << "\n";\
}
#define outputvec(a){\
for(auto x:a){\
cout << x << " ";\
}\
cout << "\n";\
}
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef tuple<ll,ll,ll> tll;
typedef pair<ll,ll> pll;
typedef double db;
typedef long double ldb;
inline void USACO(string filename){
freopen((filename+".in").c_str(),"r",stdin);
freopen((filename+".out").c_str(),"w",stdout);
}
ll n,q,t=1,m,n2,m2,k,cnt=0,a[MAX],b[MAX],d2[MAX],x,y,z,x2,y2,z2,res1=0,cnt1,cnt2,cnt3;
struct segtree2{
int size;
vector<pll> tree;
void init(int n){
size=1;
while(size<n){
size*=2;
}
tree.assign(2*size,{-1,-1});
}
void upd(int cnt,int l,int r,int v,int x,int lx,int rx){
if(lx>=r || rx<=l){
return;
}
if(lx>=l && rx<=r){
tree[x]=mp(v,cnt);
return;
}
int m=(lx+rx)/2;
upd(cnt,l,r,v,2*x+1,lx,m);
upd(cnt,l,r,v,2*x+2,m,rx);
}
void upd(int cnt,int l,int r,int v){
upd(cnt,l,r,v,0,0,size);
}
pll get(int i,int x,int lx,int rx){
if(rx-lx==1){
return tree[x];
}
int m=(lx+rx)/2;
pll res;
if(i<m){
res=get(i,2*x+1,lx,m);
}
else{
res=get(i,2*x+2,m,rx);
}
if(tree[x].ss>res.ss){
res=tree[x];
}
return res;
}
ll get(int i){
return get(i,0,0,size).ff;
}
};
struct sheet{
ll x,y,x1,y1;
};
struct ball{
ll x,y,z;
};
vector<vector<ll>> g;
sheet sheets[MAX];
ball balls[MAX];
set<ll> e[MAX];
void dfs(ll v){
b[v]=1;
for(auto x:g[v]){
if(!b[x]){
dfs(x);
}
if(e[v].size()<e[x].size()){
swap(e[v],e[x]);
}
}
for(auto x:g[v]){
for(auto y:e[x]){
e[v].ins(y);
}
}
d2[v]=max(d2[v],(ll)e[v].size());
}
void solve(){
cin >> n >> m;
g.resize(n+1);
for(int i=0;i<n;i++){
cin >> sheets[i].x >> sheets[i].y >> sheets[i].x1 >> sheets[i].y1;
a[i]=-1;
}
for(int i=0;i<m;i++){
cin >> balls[i].x >> balls[i].y >> balls[i].z;
}
set<ll> c;
map<ll,ll> d;
for(int i=0;i<n;i++){
c.ins(sheets[i].x);
c.ins(sheets[i].x1);
}
for(int i=0;i<m;i++){
c.ins(balls[i].x);
}
ll cnt1=0;
for(auto x:c){
d[x]=cnt1;
cnt1++;
}
for(int i=0;i<n;i++){
sheets[i].x=d[sheets[i].x];
sheets[i].x1=d[sheets[i].x1];
}
for(int i=0;i<m;i++){
balls[i].x=d[balls[i].x];
}
c.clear();
d.clear();
for(int i=0;i<n;i++){
c.ins(sheets[i].y);
c.ins(sheets[i].y1);
}
for(int i=0;i<m;i++){
c.ins(balls[i].y);
}
ll cnt2=0;
for(auto x:c){
d[x]=cnt2;
cnt2++;
}
for(int i=0;i<n;i++){
sheets[i].y=d[sheets[i].y];
sheets[i].y1=d[sheets[i].y1];
}
for(int i=0;i<m;i++){
balls[i].y=d[balls[i].y];
}
c.clear();
d.clear();
vector<vector<pll>> start(cnt1);
vector<vector<pll>> ended(cnt1);
for(int i=0;i<n;i++){
start[sheets[i].x].pb(mp(0,i));
ended[sheets[i].x1].pb(mp(0,i));
}
for(int i=0;i<m;i++){
start[balls[i].x].pb(mp(1,i));
}
segtree2 st;
st.init(cnt2);
ll cnt=0;
for(int i=0;i<cnt1;i++){
for(auto it:start[i]){
if(it.ff==0){
ll h=st.get(sheets[it.ss].y);
if(h!=-1){
g[h].pb(it.ss);
a[it.ss]=h;
}
st.upd(cnt,sheets[it.ss].y,sheets[it.ss].y1+1,it.ss);
cnt++;
}
else{
ll h=st.get(balls[it.ss].y);
if(h!=-1){
e[h].ins(balls[it.ss].z);
}
}
}
for(auto it:ended[i]){
ll h=-1;
st.upd(cnt,sheets[it.ss].y,sheets[it.ss].y1+1,a[it.ss]);
cnt++;
}
}
start.clear();
ended.clear();
start.shrink_to_fit();
ended.shrink_to_fit();
for(int i=0;i<n;i++){
if(b[i]==0){
dfs(i);
}
}
for(int i=0;i<n;i++){
cout << d2[i] << "\n";
}
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
//USACO("poetry");
//cin >> t;
ll cnt1=1;
while(t--){
solve();
cnt1++;
}
}
/*
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
ifstream fin("template.in");
ofstream fout("template.out");
*/
/*
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
ifstream fin("template.in");
ofstream fout("template.out");
*/
/*
ll b[51][51];
b[0][0] = 1;
for (int n = 1; n <= 50; ++n){
b[n][0] = b[n][n] = 1;
for (int k = 1; k < n; ++k)
b[n][k] = b[n - 1][k - 1] + b[n - 1][k];
}
*/
Compilation message
plahte.cpp: In function 'void solve()':
plahte.cpp:211:16: warning: unused variable 'h' [-Wunused-variable]
211 | ll h=-1;
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
192 ms |
19936 KB |
Output is correct |
| 2 |
Correct |
191 ms |
19580 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4048 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
258 ms |
23712 KB |
Output is correct |
| 2 |
Correct |
240 ms |
22548 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4092 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
504 ms |
38248 KB |
Output is correct |
| 2 |
Correct |
502 ms |
30768 KB |
Output is correct |
| 3 |
Correct |
4 ms |
4052 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
917 ms |
54852 KB |
Output is correct |
| 2 |
Correct |
942 ms |
49384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4052 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
866 ms |
53912 KB |
Output is correct |
| 2 |
Correct |
794 ms |
46680 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4052 KB |
Output is correct |
