#include <bits/stdc++.h>
#define int long long
#define sc second
#define fr first
using namespace std;
pair <int, pair<int, int> > ar[100001];
int pr[100002], sf[100002];
multiset <int> st1, st2;
main()
{
int n,a,b;
cin>>n>>a>>b;
for(int i=0;i<n;i++){
cin>>ar[i].sc.fr>>ar[i].sc.sc;
ar[i].fr=ar[i].sc.sc - ar[i].sc.fr;
}
sort(ar,ar+n);
int sum=0;
for(int i=0;i<n;i++){
if(i<a){
sum+=ar[i].sc.fr;
pr[i]=sum;
st1.insert(ar[i].sc.fr);
}
else{
sum+=ar[i].sc.fr;
st1.insert(ar[i].sc.fr);
sum-=(*st1.begin());
pr[i]=sum;
st1.erase(*st1.begin());
}
}
sum=0;
for(int i=n-1;i>=0;i--){
if(n-b <= i){
sum+=ar[i].sc.sc;
sf[i]=sum;
st2.insert(ar[i].sc.sc);
}
else{
sum+=ar[i].sc.sc;
st2.insert(ar[i].sc.sc);
sum-=(*st2.begin());
sf[i]=sum;
st2.erase(*st2.begin());
}
}
int mx=-10000000000000;
for(int i=0;i<n;i++)
mx=max(pr[i] + sf[i+1],mx);
cout<<mx<<endl;
}
Compilation message
school.cpp:11:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main()
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
468 KB |
Output is correct |
3 |
Correct |
2 ms |
468 KB |
Output is correct |
4 |
Incorrect |
2 ms |
468 KB |
Output isn't correct |
5 |
Correct |
2 ms |
468 KB |
Output is correct |
6 |
Correct |
2 ms |
468 KB |
Output is correct |
7 |
Incorrect |
6 ms |
744 KB |
Output isn't correct |
8 |
Correct |
6 ms |
964 KB |
Output is correct |
9 |
Incorrect |
6 ms |
1016 KB |
Output isn't correct |
10 |
Incorrect |
6 ms |
1052 KB |
Output isn't correct |
11 |
Incorrect |
6 ms |
1300 KB |
Output isn't correct |
12 |
Incorrect |
6 ms |
1300 KB |
Output isn't correct |
13 |
Incorrect |
40 ms |
4168 KB |
Output isn't correct |
14 |
Incorrect |
75 ms |
6372 KB |
Output isn't correct |
15 |
Runtime error |
62 ms |
8228 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
16 |
Runtime error |
61 ms |
9344 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
17 |
Runtime error |
63 ms |
10728 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
18 |
Runtime error |
63 ms |
12316 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
19 |
Runtime error |
63 ms |
13560 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
20 |
Runtime error |
63 ms |
13560 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |