#include<bits/stdc++.h>
#define lc (id << 1)
#define rc (id << 1 ^ 1)
#define md ((l + r) >> 1)
using namespace std;
typedef long long ll;
template < int MXN >
struct SegTree
{
int C[MXN * 4];
ll S[MXN * 4];
void Add(int i, int val, int id = 1, int l = 0, int r = MXN)
{
if (r - l < 2)
{
S[id] += 1LL * val * l;
C[id] += val; return ;
}
if (i < md)
Add(i, val, lc, l, md);
else
Add(i, val, rc, md, r);
C[id] = C[lc] + C[rc];
S[id] = S[lc] + S[rc];
}
ll _Get(int &k, int id = 1, int l = 0, int r = MXN)
{
if (!k) return 0LL;
if (C[id] <= k)
return k -= C[id], S[id];
return (_Get(k, rc, md, r) + _Get(k, lc, l, md));
}
ll Get(int k)
{
int tmp = k;
return (_Get(tmp));
}
};
const int N = 300005, MXN = 100005;
int n, R, M;
pair < int , int > A[N];
int main()
{
scanf("%d%d%d", &n, &R, &M);
for (int i = 0; i < n; i++)
scanf("%d%d", &A[i].first, &A[i].second);
sort(A, A + n); reverse(A, A + n);
SegTree < MXN * 2 > P, S;
for (int i = 0; i < n; i++)
S.Add(A[i].second, 1);
ll Mx = 0, sum = 0;
for (int i = 0; i < R + M; i++)
{
sum += A[i].first;
S.Add(A[i].second, -1);
P.Add(A[i].second - A[i].first + MXN, 1);
if (i >= R - 1)
Mx = max(Mx, sum + P.Get(i + 1 - R) - (ll)(i + 1 - R) * MXN + S.Get(M - (i + 1 - R)));
}
return !printf("%lld\n", Mx);
}
Compilation message
school.cpp: In function 'int main()':
school.cpp:44:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d%d", &n, &R, &M);
~~~~~^~~~~~~~~~~~~~~~~~~~~~
school.cpp:46:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &A[i].first, &A[i].second);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
640 KB |
Output is correct |
2 |
Correct |
3 ms |
512 KB |
Output is correct |
3 |
Correct |
3 ms |
512 KB |
Output is correct |
4 |
Incorrect |
2 ms |
512 KB |
Output isn't correct |
5 |
Correct |
5 ms |
1792 KB |
Output is correct |
6 |
Correct |
5 ms |
2688 KB |
Output is correct |
7 |
Correct |
10 ms |
2944 KB |
Output is correct |
8 |
Correct |
10 ms |
3584 KB |
Output is correct |
9 |
Correct |
10 ms |
3592 KB |
Output is correct |
10 |
Correct |
11 ms |
3456 KB |
Output is correct |
11 |
Correct |
10 ms |
3456 KB |
Output is correct |
12 |
Correct |
11 ms |
3456 KB |
Output is correct |
13 |
Correct |
36 ms |
4188 KB |
Output is correct |
14 |
Correct |
58 ms |
4444 KB |
Output is correct |
15 |
Incorrect |
112 ms |
5624 KB |
Output isn't correct |
16 |
Incorrect |
204 ms |
7012 KB |
Output isn't correct |
17 |
Incorrect |
1460 ms |
5152 KB |
Output isn't correct |
18 |
Incorrect |
1703 ms |
5496 KB |
Output isn't correct |
19 |
Incorrect |
1828 ms |
5880 KB |
Output isn't correct |
20 |
Correct |
1892 ms |
6616 KB |
Output is correct |