#include <iostream>
#include <algorithm>
#include <climits>
using namespace std;
struct ceva {
long long sz, val;
} v[500002];
bool cmp(ceva x, ceva y) {
return x.sz < y.sz;
}
long long n;
long long sp[500002], tree[2000005];
void build(long long node, long long st, long long dr) {
if (st == dr) {
tree[node] = sp[st] - v[st].sz;
return ;
}
long long mij = (st + dr)/2;
build(2*node, st, mij);
build(2*node+1, mij+1, dr);
tree[node] = max(tree[2*node], tree[2*node+1]);
}
long long query(long long node, long long st, long long dr, long long left, long long right) {
if (left <= st and dr <= right) {
return tree[node];
}
long long mij = (st + dr)/2;
long long ans1 = LLONG_MIN, ans2 = LLONG_MIN;
if (left <= mij)
ans1 = query(2*node, st, mij, left, right);
if (mij < right)
ans2 = query(2*node+1, mij+1, dr, left, right);
return max(ans1, ans2);
}
signed main()
{
cin >> n;
for (long long i = 1; i <= n; i++) {
cin >> v[i].sz >> v[i].val;
}
sort(v+1, v+n+1, cmp);
for (long long i = 1; i <= n; i++) {
sp[i] = sp[i-1] + v[i].val;
}
build(1, 1, n);
long long maxim = LLONG_MIN;
for (long long i = 1; i <= n; i++) {
long long x = sp[i-1] - v[i].sz;
long long rezdr = query(1, 1, n, i, n);
maxim = max(maxim, rezdr-x);
}
cout << maxim;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2392 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2392 KB |
Output is correct |
23 |
Correct |
1 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2392 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2392 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2392 KB |
Output is correct |
23 |
Correct |
1 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2392 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
27 |
Correct |
4 ms |
2648 KB |
Output is correct |
28 |
Correct |
4 ms |
2652 KB |
Output is correct |
29 |
Correct |
6 ms |
2488 KB |
Output is correct |
30 |
Correct |
4 ms |
2648 KB |
Output is correct |
31 |
Correct |
4 ms |
2648 KB |
Output is correct |
32 |
Correct |
5 ms |
2648 KB |
Output is correct |
33 |
Correct |
4 ms |
2648 KB |
Output is correct |
34 |
Correct |
5 ms |
2652 KB |
Output is correct |
35 |
Correct |
4 ms |
2648 KB |
Output is correct |
36 |
Correct |
4 ms |
2652 KB |
Output is correct |
37 |
Correct |
5 ms |
2648 KB |
Output is correct |
38 |
Correct |
5 ms |
2648 KB |
Output is correct |
39 |
Correct |
5 ms |
2652 KB |
Output is correct |
40 |
Correct |
4 ms |
2652 KB |
Output is correct |
41 |
Correct |
7 ms |
2484 KB |
Output is correct |
42 |
Correct |
4 ms |
2904 KB |
Output is correct |
43 |
Correct |
4 ms |
2652 KB |
Output is correct |
44 |
Correct |
5 ms |
2496 KB |
Output is correct |
45 |
Correct |
4 ms |
2652 KB |
Output is correct |
46 |
Correct |
4 ms |
2648 KB |
Output is correct |
47 |
Correct |
4 ms |
2652 KB |
Output is correct |
48 |
Correct |
4 ms |
2652 KB |
Output is correct |
49 |
Correct |
4 ms |
2652 KB |
Output is correct |
50 |
Correct |
4 ms |
2652 KB |
Output is correct |
51 |
Correct |
5 ms |
2652 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2392 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2392 KB |
Output is correct |
23 |
Correct |
1 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2392 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
27 |
Correct |
4 ms |
2648 KB |
Output is correct |
28 |
Correct |
4 ms |
2652 KB |
Output is correct |
29 |
Correct |
6 ms |
2488 KB |
Output is correct |
30 |
Correct |
4 ms |
2648 KB |
Output is correct |
31 |
Correct |
4 ms |
2648 KB |
Output is correct |
32 |
Correct |
5 ms |
2648 KB |
Output is correct |
33 |
Correct |
4 ms |
2648 KB |
Output is correct |
34 |
Correct |
5 ms |
2652 KB |
Output is correct |
35 |
Correct |
4 ms |
2648 KB |
Output is correct |
36 |
Correct |
4 ms |
2652 KB |
Output is correct |
37 |
Correct |
5 ms |
2648 KB |
Output is correct |
38 |
Correct |
5 ms |
2648 KB |
Output is correct |
39 |
Correct |
5 ms |
2652 KB |
Output is correct |
40 |
Correct |
4 ms |
2652 KB |
Output is correct |
41 |
Correct |
7 ms |
2484 KB |
Output is correct |
42 |
Correct |
4 ms |
2904 KB |
Output is correct |
43 |
Correct |
4 ms |
2652 KB |
Output is correct |
44 |
Correct |
5 ms |
2496 KB |
Output is correct |
45 |
Correct |
4 ms |
2652 KB |
Output is correct |
46 |
Correct |
4 ms |
2648 KB |
Output is correct |
47 |
Correct |
4 ms |
2652 KB |
Output is correct |
48 |
Correct |
4 ms |
2652 KB |
Output is correct |
49 |
Correct |
4 ms |
2652 KB |
Output is correct |
50 |
Correct |
4 ms |
2652 KB |
Output is correct |
51 |
Correct |
5 ms |
2652 KB |
Output is correct |
52 |
Correct |
424 ms |
20772 KB |
Output is correct |
53 |
Correct |
413 ms |
20428 KB |
Output is correct |
54 |
Correct |
418 ms |
20308 KB |
Output is correct |
55 |
Correct |
432 ms |
20384 KB |
Output is correct |
56 |
Correct |
416 ms |
20304 KB |
Output is correct |
57 |
Correct |
418 ms |
20560 KB |
Output is correct |
58 |
Correct |
412 ms |
20656 KB |
Output is correct |
59 |
Correct |
420 ms |
20560 KB |
Output is correct |
60 |
Correct |
417 ms |
20676 KB |
Output is correct |
61 |
Correct |
416 ms |
20560 KB |
Output is correct |
62 |
Correct |
415 ms |
20392 KB |
Output is correct |
63 |
Correct |
414 ms |
20544 KB |
Output is correct |
64 |
Correct |
416 ms |
20564 KB |
Output is correct |
65 |
Correct |
416 ms |
20384 KB |
Output is correct |
66 |
Correct |
421 ms |
20588 KB |
Output is correct |
67 |
Correct |
416 ms |
20400 KB |
Output is correct |
68 |
Correct |
425 ms |
20400 KB |
Output is correct |