oj.uz

답안 #921970

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
921970 2024-02-04T15:18:20 Z 1075508020060209tc Cake 3 (JOI19_cake3) C++14
100 / 100
 2500 ms 38536 KB 
#pragma GCC optimize("O3")
//#include "meetings.h"
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define X first
#define Y second
#define SZ(x) (int)(x).size()
int K;
int ksum;
multiset<int>tmst;
multiset<int>bmst;
void mINS(int v){
tmst.insert(v);
ksum+=v;
if(tmst.size()>K){
    ksum-=*(tmst.begin());
    bmst.insert(*tmst.begin());
    tmst.erase(tmst.begin());
}
}
void mDEL(int v){
if(bmst.find(v)!=bmst.end()){
    bmst.erase(bmst.find(v));
    return;
}
ksum-=v;
tmst.erase(tmst.find(v));
if(tmst.size()<K){
    if(bmst.size()){
        tmst.insert(*(bmst.rbegin()));
        ksum+=*bmst.rbegin();
        bmst.erase(prev(bmst.end()));
    }
}
}

int mlit;int mrit;


 int ans;
int n;
pair<int,int>ar[200005];
int opt[200005];
vector<pair<int,int>>targ;vector<pair<int,int>>tbrg;
void solve(vector<pair<int,int>>aarg,vector<pair<int,int>>brg){
vector<int>apt;
for(int i=0;i<aarg.size();i++){
    apt.push_back((aarg[i].first+aarg[i].second)/2);
    targ.push_back({aarg[i].first,apt.back()});
    targ.push_back({apt.back()+1,aarg[i].second});
}
tmst.clear();
bmst.clear();
ksum=0;
int Q=aarg.size();
mlit=n;
mrit=n;
mINS(ar[n].second);

for(int i=Q-1;i>=0;i--){
 //   cout<<i<<"\n";
    int qrpl=apt[i];
    int tmx=-1e12;
    while(mlit>qrpl-K+1){
        mINS(ar[--mlit].second);
    }
    while(mrit>qrpl){
        mDEL(ar[mrit--].second);
    }



    while(mlit>=brg[i].first){
        int cal=-ar[qrpl].first+ar[mlit].first+ksum;
        if(cal>=tmx){
            opt[i]=mlit;
            tmx=cal;
        }
        ans=max(ans,tmx);
        if(mlit==brg[i].first){break;}
        mINS(ar[--mlit].second);
    }
    tbrg.push_back({opt[i],brg[i].second});
    tbrg.push_back({brg[i].first,opt[i]});
  //  cout<<"ll";
}
reverse(tbrg.begin(),tbrg.end());
}



signed main(){



cin>>n>>K;
ans=-1e12;
for(int i=1;i<=n;i++){
    cin>>ar[i].second>>ar[i].first;
    ar[i].first*=2;
}
sort(ar+1,ar+n+1);
vector<pair<int,int>>vc;vector<pair<int,int>>vc2;
vc.push_back({K,n});
vc2.push_back({1,n-K+1});
int yy=18;
while(yy--){
    solve(vc,vc2);
    int ok=1;
    for(int i=0;i<vc.size();i++){
       // cout<<vc[i].first<<" "<<vc[i].second<<"   ";
        if(vc[i].first!=vc[i].second){ok=0;}
    }
//    cout<<ans<<" "<<ok<<"\n";
    if(ok){break;}
    swap(vc,targ);swap(vc2,tbrg);
    targ.clear();tbrg.clear();
}
//cout<<"hehe";
 cout<<ans<<endl;

}

Compilation message

cake3.cpp: In function 'void mINS(long long int)':
cake3.cpp:16:15: warning: comparison of integer expressions of different signedness: 'std::multiset<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   16 | if(tmst.size()>K){
      |    ~~~~~~~~~~~^~
cake3.cpp: In function 'void mDEL(long long int)':
cake3.cpp:29:15: warning: comparison of integer expressions of different signedness: 'std::multiset<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   29 | if(tmst.size()<K){
      |    ~~~~~~~~~~~^~
cake3.cpp: In function 'void solve(std::vector<std::pair<long long int, long long int> >, std::vector<std::pair<long long int, long long int> >)':
cake3.cpp:48:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 | for(int i=0;i<aarg.size();i++){
      |             ~^~~~~~~~~~~~
cake3.cpp: In function 'int main()':
cake3.cpp:111:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  111 |     for(int i=0;i<vc.size();i++){
      |                 ~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 23232 KB Output is correct
2 Correct 17 ms 23244 KB Output is correct
3 Correct 17 ms 23228 KB Output is correct
4 Correct 17 ms 23100 KB Output is correct
5 Correct 18 ms 23232 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 17 ms 23232 KB Output is correct
8 Correct 17 ms 23020 KB Output is correct
9 Correct 18 ms 23232 KB Output is correct
10 Correct 17 ms 23128 KB Output is correct
11 Correct 17 ms 23028 KB Output is correct
12 Correct 17 ms 23012 KB Output is correct
13 Correct 18 ms 23080 KB Output is correct
14 Correct 17 ms 23212 KB Output is correct
15 Correct 20 ms 23232 KB Output is correct
16 Correct 18 ms 23344 KB Output is correct
17 Correct 17 ms 23248 KB Output is correct
18 Correct 20 ms 23176 KB Output is correct
19 Correct 17 ms 23100 KB Output is correct
20 Correct 16 ms 23244 KB Output is correct
21 Correct 17 ms 23244 KB Output is correct
22 Correct 18 ms 23048 KB Output is correct
23 Correct 17 ms 23248 KB Output is correct
24 Correct 17 ms 23232 KB Output is correct
25 Correct 17 ms 23200 KB Output is correct
26 Correct 16 ms 23212 KB Output is correct
27 Correct 17 ms 22992 KB Output is correct
28 Correct 18 ms 23008 KB Output is correct
29 Correct 18 ms 23024 KB Output is correct
30 Correct 18 ms 23232 KB Output is correct
31 Correct 17 ms 23216 KB Output is correct
32 Correct 17 ms 23232 KB Output is correct
33 Correct 17 ms 23084 KB Output is correct
34 Correct 17 ms 23236 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 18 ms 23132 KB Output is correct
37 Correct 1 ms 2392 KB Output is correct

Subtask #2
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 23232 KB Output is correct
2 Correct 17 ms 23244 KB Output is correct
3 Correct 17 ms 23228 KB Output is correct
4 Correct 17 ms 23100 KB Output is correct
5 Correct 18 ms 23232 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 17 ms 23232 KB Output is correct
8 Correct 17 ms 23020 KB Output is correct
9 Correct 18 ms 23232 KB Output is correct
10 Correct 17 ms 23128 KB Output is correct
11 Correct 17 ms 23028 KB Output is correct
12 Correct 17 ms 23012 KB Output is correct
13 Correct 18 ms 23080 KB Output is correct
14 Correct 17 ms 23212 KB Output is correct
15 Correct 20 ms 23232 KB Output is correct
16 Correct 18 ms 23344 KB Output is correct
17 Correct 17 ms 23248 KB Output is correct
18 Correct 20 ms 23176 KB Output is correct
19 Correct 17 ms 23100 KB Output is correct
20 Correct 16 ms 23244 KB Output is correct
21 Correct 17 ms 23244 KB Output is correct
22 Correct 18 ms 23048 KB Output is correct
23 Correct 17 ms 23248 KB Output is correct
24 Correct 17 ms 23232 KB Output is correct
25 Correct 17 ms 23200 KB Output is correct
26 Correct 16 ms 23212 KB Output is correct
27 Correct 17 ms 22992 KB Output is correct
28 Correct 18 ms 23008 KB Output is correct
29 Correct 18 ms 23024 KB Output is correct
30 Correct 18 ms 23232 KB Output is correct
31 Correct 17 ms 23216 KB Output is correct
32 Correct 17 ms 23232 KB Output is correct
33 Correct 17 ms 23084 KB Output is correct
34 Correct 17 ms 23236 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 18 ms 23132 KB Output is correct
37 Correct 1 ms 2392 KB Output is correct
38 Correct 26 ms 23284 KB Output is correct
39 Correct 27 ms 23196 KB Output is correct
40 Correct 26 ms 23168 KB Output is correct
41 Correct 29 ms 23192 KB Output is correct
42 Correct 25 ms 23276 KB Output is correct
43 Correct 24 ms 23256 KB Output is correct
44 Correct 26 ms 23092 KB Output is correct
45 Correct 28 ms 23088 KB Output is correct
46 Correct 28 ms 23124 KB Output is correct
47 Correct 27 ms 23232 KB Output is correct
48 Correct 25 ms 23092 KB Output is correct
49 Correct 25 ms 23244 KB Output is correct
50 Correct 25 ms 23104 KB Output is correct
51 Correct 26 ms 23288 KB Output is correct
52 Correct 27 ms 23136 KB Output is correct
53 Correct 26 ms 23080 KB Output is correct
54 Correct 24 ms 23112 KB Output is correct
55 Correct 24 ms 23288 KB Output is correct
56 Correct 24 ms 23120 KB Output is correct
57 Correct 24 ms 23224 KB Output is correct
58 Correct 24 ms 23128 KB Output is correct
59 Correct 21 ms 23248 KB Output is correct
60 Correct 29 ms 23728 KB Output is correct
61 Correct 22 ms 23088 KB Output is correct
62 Correct 21 ms 23112 KB Output is correct
63 Correct 23 ms 23224 KB Output is correct
64 Correct 22 ms 23112 KB Output is correct
65 Correct 26 ms 23252 KB Output is correct
66 Correct 27 ms 23240 KB Output is correct
67 Correct 28 ms 23100 KB Output is correct
68 Correct 26 ms 23196 KB Output is correct
69 Correct 28 ms 23096 KB Output is correct
70 Correct 26 ms 23292 KB Output is correct
71 Correct 25 ms 23240 KB Output is correct
72 Correct 23 ms 23288 KB Output is correct
73 Correct 22 ms 23120 KB Output is correct
74 Correct 3 ms 2392 KB Output is correct

Subtask #3
76.0 / 76.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 23232 KB Output is correct
2 Correct 17 ms 23244 KB Output is correct
3 Correct 17 ms 23228 KB Output is correct
4 Correct 17 ms 23100 KB Output is correct
5 Correct 18 ms 23232 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 17 ms 23232 KB Output is correct
8 Correct 17 ms 23020 KB Output is correct
9 Correct 18 ms 23232 KB Output is correct
10 Correct 17 ms 23128 KB Output is correct
11 Correct 17 ms 23028 KB Output is correct
12 Correct 17 ms 23012 KB Output is correct
13 Correct 18 ms 23080 KB Output is correct
14 Correct 17 ms 23212 KB Output is correct
15 Correct 20 ms 23232 KB Output is correct
16 Correct 18 ms 23344 KB Output is correct
17 Correct 17 ms 23248 KB Output is correct
18 Correct 20 ms 23176 KB Output is correct
19 Correct 17 ms 23100 KB Output is correct
20 Correct 16 ms 23244 KB Output is correct
21 Correct 17 ms 23244 KB Output is correct
22 Correct 18 ms 23048 KB Output is correct
23 Correct 17 ms 23248 KB Output is correct
24 Correct 17 ms 23232 KB Output is correct
25 Correct 17 ms 23200 KB Output is correct
26 Correct 16 ms 23212 KB Output is correct
27 Correct 17 ms 22992 KB Output is correct
28 Correct 18 ms 23008 KB Output is correct
29 Correct 18 ms 23024 KB Output is correct
30 Correct 18 ms 23232 KB Output is correct
31 Correct 17 ms 23216 KB Output is correct
32 Correct 17 ms 23232 KB Output is correct
33 Correct 17 ms 23084 KB Output is correct
34 Correct 17 ms 23236 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 18 ms 23132 KB Output is correct
37 Correct 1 ms 2392 KB Output is correct
38 Correct 26 ms 23284 KB Output is correct
39 Correct 27 ms 23196 KB Output is correct
40 Correct 26 ms 23168 KB Output is correct
41 Correct 29 ms 23192 KB Output is correct
42 Correct 25 ms 23276 KB Output is correct
43 Correct 24 ms 23256 KB Output is correct
44 Correct 26 ms 23092 KB Output is correct
45 Correct 28 ms 23088 KB Output is correct
46 Correct 28 ms 23124 KB Output is correct
47 Correct 27 ms 23232 KB Output is correct
48 Correct 25 ms 23092 KB Output is correct
49 Correct 25 ms 23244 KB Output is correct
50 Correct 25 ms 23104 KB Output is correct
51 Correct 26 ms 23288 KB Output is correct
52 Correct 27 ms 23136 KB Output is correct
53 Correct 26 ms 23080 KB Output is correct
54 Correct 24 ms 23112 KB Output is correct
55 Correct 24 ms 23288 KB Output is correct
56 Correct 24 ms 23120 KB Output is correct
57 Correct 24 ms 23224 KB Output is correct
58 Correct 24 ms 23128 KB Output is correct
59 Correct 21 ms 23248 KB Output is correct
60 Correct 29 ms 23728 KB Output is correct
61 Correct 22 ms 23088 KB Output is correct
62 Correct 21 ms 23112 KB Output is correct
63 Correct 23 ms 23224 KB Output is correct
64 Correct 22 ms 23112 KB Output is correct
65 Correct 26 ms 23252 KB Output is correct
66 Correct 27 ms 23240 KB Output is correct
67 Correct 28 ms 23100 KB Output is correct
68 Correct 26 ms 23196 KB Output is correct
69 Correct 28 ms 23096 KB Output is correct
70 Correct 26 ms 23292 KB Output is correct
71 Correct 25 ms 23240 KB Output is correct
72 Correct 23 ms 23288 KB Output is correct
73 Correct 22 ms 23120 KB Output is correct
74 Correct 3 ms 2392 KB Output is correct
75 Correct 2500 ms 34144 KB Output is correct
76 Correct 2293 ms 33916 KB Output is correct
77 Correct 2282 ms 37896 KB Output is correct
78 Correct 2343 ms 38188 KB Output is correct
79 Correct 1237 ms 38284 KB Output is correct
80 Correct 1341 ms 37588 KB Output is correct
81 Correct 1915 ms 34304 KB Output is correct
82 Correct 2053 ms 33708 KB Output is correct
83 Correct 2144 ms 34728 KB Output is correct
84 Correct 2112 ms 34560 KB Output is correct
85 Correct 1924 ms 34500 KB Output is correct
86 Correct 1621 ms 35000 KB Output is correct
87 Correct 1581 ms 34872 KB Output is correct
88 Correct 1746 ms 34048 KB Output is correct
89 Correct 1784 ms 34872 KB Output is correct
90 Correct 1760 ms 35944 KB Output is correct
91 Correct 1451 ms 35500 KB Output is correct
92 Correct 1456 ms 35508 KB Output is correct
93 Correct 1618 ms 35520 KB Output is correct
94 Correct 1548 ms 37220 KB Output is correct
95 Correct 1728 ms 36112 KB Output is correct
96 Correct 638 ms 33988 KB Output is correct
97 Correct 743 ms 34696 KB Output is correct
98 Correct 701 ms 34368 KB Output is correct
99 Correct 694 ms 34900 KB Output is correct
100 Correct 623 ms 34628 KB Output is correct
101 Correct 623 ms 34624 KB Output is correct
102 Correct 1432 ms 33576 KB Output is correct
103 Correct 1409 ms 33708 KB Output is correct
104 Correct 1481 ms 33764 KB Output is correct
105 Correct 1399 ms 34724 KB Output is correct
106 Correct 1501 ms 35044 KB Output is correct
107 Correct 1353 ms 35128 KB Output is correct
108 Correct 2143 ms 37832 KB Output is correct
109 Correct 1982 ms 38536 KB Output is correct
110 Correct 1212 ms 34288 KB Output is correct
111 Correct 1358 ms 33472 KB Output is correct
112 Correct 876 ms 37928 KB Output is correct
113 Correct 180 ms 18016 KB Output is correct