| # |
제출 시각 |
아이디 |
문제 |
언어 |
결과 |
실행 시간 |
메모리 |
| 71247 |
2018-08-24T08:58:58 Z |
khohko |
매트 (KOI15_mat) |
C++17 |
|
49 ms |
17484 KB |
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
#define ll int
#define pb push_back
#define fr first
#define sc second
#define MAX ((ll)(1e9+100))
#define MX ((ll)(1e6+100))
#define ARRS ((ll)(2e6+100))
#define HS ((ll)(1049))
#define MOD ((ll)(1000000861))
#define EP ((double)(1e-9))
#define LG 21
#define mul(a,b) a=((a)*(b))%MOD
using namespace std;
string s,t;
vector<pair<pair<ll,ll> ,pair<ll,ll> > > a;
vector<pair<pair<ll,ll> ,pair<ll,ll> > > b;
ll dp[4100][4100];
struct node{
node *L,*R;
ll x;
node(){
L=R=NULL;
x=-MAX;
}
void updt(){
x=-MAX;
if(L)x=max(x,L->x);
if(R)x=max(x,R->x);
}
};
ll wl,wr,wi,wx;
void updt(ll l,ll r,node *& x){
if(wi<l||r-1<wi)return;
if(!x)x=new node();
if(l==r-1){
x->x=max(x->x,wx);
return;
}
updt(l,l+r>>1,x->L);
updt(l+r>>1,r,x->R);
x->updt();
}
ll quer(ll l,ll r,node *& x){
if(wr<l||r-1<wl)return -MAX;
if(!x)return -MAX;
if(wl<=l&r-1<=wr)return x->x;
return max(quer(l,l+r>>1,x->L),
quer(l+r>>1,r,x->R));
}
node *rtl[4000];
node *rtr[4000];
map<ll,ll> mp;
int main(){
#ifdef KHOKHO
freopen("in.in","r",stdin);
freopen("out.out","w",stdout);
#endif
ll n,w,l,r,d,k,c;
cin>>n>>w;
a.pb({{0,0},{0,0}});
b.pb({{0,0},{w,0}});
vector<ll> ve;
ve.pb(0);
ve.pb(w);
for(int i=0; i<n; i++){
cin>>k;
if(k){
cin>>l>>r>>d>>c;
ve.pb(l);
ve.pb(r);
ve.pb(d);
a.pb({{l,r},{d,c}});
}
else {
cin>>l>>r>>d>>c;
ve.pb(l);
ve.pb(r);
ve.pb(w-d);
b.pb({{l,r},{w-d,c}});
}
}
sort(ve.begin(),ve.end());
c=2;
for(auto x:ve)
mp[x]=c++;
for(auto x:a){
x.fr.fr=mp[x.fr.fr];
x.fr.sc=mp[x.fr.sc];
x.sc.fr=mp[x.sc.fr];
}
for(auto x:b){
x.fr.fr=mp[x.fr.fr];
x.fr.sc=mp[x.fr.sc];
x.sc.fr=mp[x.sc.fr];
}
sort(a.begin(),a.end());
sort(b.begin(),b.end());
for(int i=0; i<=a.size(); i++)
for(int j=0; j<=b.size(); j++)
dp[i][j]=-MAX;
for(int i=0; i<=a.size(); i++)rtl[i]=NULL;
for(int i=0; i<=b.size(); i++)rtr[i]=NULL;
dp[0][0]=0;
ll pas=0;
for(int i=0; i<a.size(); i++){
for(int j=0; j<b.size(); j++){
if(b[j].fr.fr<=a[i].fr.fr&&(a[i].fr.fr>=b[j].fr.sc||a[i].sc.fr<=b[j].sc.fr)){
wl=0;
wr=a[i].fr.fr;
ll k=quer(0,c+2,rtr[j]);
dp[i][j]=max(dp[i][j],k+a[i].sc.sc);
// for(int k=0; k<i; k++){
// if(a[k].fr.sc<=a[i].fr.fr)
// dp[i][j]=max(dp[i][j],dp[k][j]+a[i].sc.sc);
// }
}
if(b[j].fr.fr>=a[i].fr.fr&&(b[j].fr.fr>=a[i].fr.sc||a[i].sc.fr<=b[j].sc.fr)){
wl=0;
wr=b[j].fr.fr;
ll k=quer(0,c+2,rtl[i]);
dp[i][j]=max(dp[i][j],k+b[j].sc.sc);
// for(int k=0; k<j; k++){
// if(b[k].fr.sc<=b[j].fr.fr)
// dp[i][j]=max(dp[i][j],dp[i][k]+b[j].sc.sc);
// }
}
wi=a[i].fr.sc;
wx=dp[i][j];
updt(0,c+2,rtr[j]);
wi=b[j].fr.sc;
wx=dp[i][j];
updt(0,c+2,rtl[i]);
//cout<<i<<" "<<j<<" "<<dp[i][j]<<endl;
pas=max(pas,dp[i][j]);
}
}
cout<<pas;
}
Compilation message
mat.cpp: In function 'void updt(int, int, node*&)':
mat.cpp:45:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
updt(l,l+r>>1,x->L);
~^~
mat.cpp:46:8: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
updt(l+r>>1,r,x->R);
~^~
mat.cpp: In function 'int quer(int, int, node*&)':
mat.cpp:53:7: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
if(wl<=l&r-1<=wr)return x->x;
~~^~~
mat.cpp:54:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
return max(quer(l,l+r>>1,x->L),
~^~
mat.cpp:55:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
quer(l+r>>1,r,x->R));
~^~
mat.cpp: In function 'int main()':
mat.cpp:112:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0; i<=a.size(); i++)
~^~~~~~~~~~
mat.cpp:113:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=0; j<=b.size(); j++)
~^~~~~~~~~~
mat.cpp:115:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0; i<=a.size(); i++)rtl[i]=NULL;
~^~~~~~~~~~
mat.cpp:116:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0; i<=b.size(); i++)rtr[i]=NULL;
~^~~~~~~~~~
mat.cpp:119:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0; i<a.size(); i++){
~^~~~~~~~~
mat.cpp:120:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=0; j<b.size(); j++){
~^~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
2 ms |
248 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
3 ms |
484 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
5 ms |
856 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
15 ms |
2100 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
44 ms |
17484 KB |
Output is correct |
| 2 |
Incorrect |
49 ms |
17484 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
