#include <bits/stdc++.h>
#define f0(i, n) for(int i(0); i < (n); i++)
#define f1(i, n) for(int i(1); i <= n; i++)
using namespace std;
typedef long long ll;
const int N = 300002;
int n, m, s;
ll ans1[N], ans2[N];
pair <int, int> a[N];
int main(){
ios_base::sync_with_stdio(0);
cin >> n >> m >> s;
f1(i, n) cin >> a[i].first >> a[i].second;
sort(a + 1, a + n + 1, [&](pair <int, int> a1, pair <int, int> a2){
return a1.first - a1.second > a2.first - a2.second;
});
priority_queue <int, vector <int>, greater <int> > q;
if(m > 0){
f1(i, n){
if(i <= m){
ans1[i] = ans1[i - 1] + a[i].first;
q.push(a[i].first);
}
else{
ans1[i] = max(ans1[i - 1] - q.top() + a[i].first, ans1[i - 1]);
if(q.top() <= a[i].first){
q.pop();
q.push(a[i].first);
}
}
}
}
while(q.size()) q.pop();
if(s){
for(int i = n; i >= 1; i--){
if(n - i + 1 <= s){
ans2[i] = ans2[i + 1] +a[i].second;
}
else{
ans2[i] = max(ans2[i + 1], ans2[i + 1] - q.top() + a[i].second);
if(ans2[i] != ans2[i + 1]){
q.pop();
q.push(a[i].second);
}
}
}
}
ll ans = 0;
f0(i, n + 1){
if(i >= m && n - i >= s) ans = max(ans, ans1[i] + ans2[i + 1]);
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
616 KB |
Output is correct |
3 |
Correct |
2 ms |
660 KB |
Output is correct |
4 |
Incorrect |
2 ms |
748 KB |
Output isn't correct |
5 |
Incorrect |
2 ms |
856 KB |
Output isn't correct |
6 |
Incorrect |
2 ms |
856 KB |
Output isn't correct |
7 |
Incorrect |
3 ms |
896 KB |
Output isn't correct |
8 |
Runtime error |
9 ms |
1672 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
9 |
Runtime error |
7 ms |
1828 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
10 |
Runtime error |
7 ms |
1828 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
11 |
Incorrect |
4 ms |
1828 KB |
Output isn't correct |
12 |
Incorrect |
4 ms |
1828 KB |
Output isn't correct |
13 |
Runtime error |
23 ms |
4248 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
14 |
Incorrect |
36 ms |
5764 KB |
Output isn't correct |
15 |
Incorrect |
54 ms |
9364 KB |
Output isn't correct |
16 |
Correct |
127 ms |
12068 KB |
Output is correct |
17 |
Incorrect |
99 ms |
15712 KB |
Output isn't correct |
18 |
Incorrect |
98 ms |
19172 KB |
Output isn't correct |
19 |
Incorrect |
110 ms |
22628 KB |
Output isn't correct |
20 |
Incorrect |
122 ms |
27084 KB |
Output isn't correct |