#include <bits/stdc++.h>
using namespace std;
const int maxn = 5e5 + 10;
typedef long long ll;
int n;
ll k[maxn], p[maxn];
struct obj
{
ll val, size;
} it[maxn];
bool compara(obj a, obj b)
{
if(a.size == b.size) return a.val < b.val;
return a.size < b.size;
}
int main()
{
ios::sync_with_stdio(false), cin.tie(nullptr);
cin >> n;
for(int i = 1; i <= n; i++)
{
cin >> it[i].size >> it[i].val;
}
sort(it + 1, it + n + 1, compara);
for(int i = 1; i <= n; i++)
{
p[i] = it[i].val + p[i - 1];
}
k[n] = p[n]-it[n].size;
for(int i = n-1; i >= 1; i--)
{
k[i] = max(k[i + 1], p[i] - it[i].size);
}
ll ans = 0;
for(int i = 1; i < n; i++)
{
ans = max(ans, it[i].size - p[i - 1] + k[i]);
}
cout << ans << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
2 ms |
484 KB |
Output is correct |
4 |
Correct |
2 ms |
556 KB |
Output is correct |
5 |
Correct |
2 ms |
556 KB |
Output is correct |
6 |
Correct |
2 ms |
556 KB |
Output is correct |
7 |
Correct |
2 ms |
568 KB |
Output is correct |
8 |
Correct |
2 ms |
700 KB |
Output is correct |
9 |
Correct |
3 ms |
700 KB |
Output is correct |
10 |
Correct |
2 ms |
700 KB |
Output is correct |
11 |
Correct |
2 ms |
700 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
2 ms |
484 KB |
Output is correct |
4 |
Correct |
2 ms |
556 KB |
Output is correct |
5 |
Correct |
2 ms |
556 KB |
Output is correct |
6 |
Correct |
2 ms |
556 KB |
Output is correct |
7 |
Correct |
2 ms |
568 KB |
Output is correct |
8 |
Correct |
2 ms |
700 KB |
Output is correct |
9 |
Correct |
3 ms |
700 KB |
Output is correct |
10 |
Correct |
2 ms |
700 KB |
Output is correct |
11 |
Correct |
2 ms |
700 KB |
Output is correct |
12 |
Correct |
2 ms |
700 KB |
Output is correct |
13 |
Correct |
2 ms |
764 KB |
Output is correct |
14 |
Correct |
2 ms |
788 KB |
Output is correct |
15 |
Correct |
2 ms |
800 KB |
Output is correct |
16 |
Correct |
2 ms |
852 KB |
Output is correct |
17 |
Correct |
2 ms |
852 KB |
Output is correct |
18 |
Correct |
3 ms |
856 KB |
Output is correct |
19 |
Correct |
2 ms |
860 KB |
Output is correct |
20 |
Correct |
2 ms |
868 KB |
Output is correct |
21 |
Correct |
2 ms |
1080 KB |
Output is correct |
22 |
Correct |
2 ms |
1080 KB |
Output is correct |
23 |
Correct |
2 ms |
1080 KB |
Output is correct |
24 |
Correct |
2 ms |
1080 KB |
Output is correct |
25 |
Correct |
3 ms |
1080 KB |
Output is correct |
26 |
Correct |
2 ms |
1080 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
2 ms |
484 KB |
Output is correct |
4 |
Correct |
2 ms |
556 KB |
Output is correct |
5 |
Correct |
2 ms |
556 KB |
Output is correct |
6 |
Correct |
2 ms |
556 KB |
Output is correct |
7 |
Correct |
2 ms |
568 KB |
Output is correct |
8 |
Correct |
2 ms |
700 KB |
Output is correct |
9 |
Correct |
3 ms |
700 KB |
Output is correct |
10 |
Correct |
2 ms |
700 KB |
Output is correct |
11 |
Correct |
2 ms |
700 KB |
Output is correct |
12 |
Correct |
2 ms |
700 KB |
Output is correct |
13 |
Correct |
2 ms |
764 KB |
Output is correct |
14 |
Correct |
2 ms |
788 KB |
Output is correct |
15 |
Correct |
2 ms |
800 KB |
Output is correct |
16 |
Correct |
2 ms |
852 KB |
Output is correct |
17 |
Correct |
2 ms |
852 KB |
Output is correct |
18 |
Correct |
3 ms |
856 KB |
Output is correct |
19 |
Correct |
2 ms |
860 KB |
Output is correct |
20 |
Correct |
2 ms |
868 KB |
Output is correct |
21 |
Correct |
2 ms |
1080 KB |
Output is correct |
22 |
Correct |
2 ms |
1080 KB |
Output is correct |
23 |
Correct |
2 ms |
1080 KB |
Output is correct |
24 |
Correct |
2 ms |
1080 KB |
Output is correct |
25 |
Correct |
3 ms |
1080 KB |
Output is correct |
26 |
Correct |
2 ms |
1080 KB |
Output is correct |
27 |
Correct |
4 ms |
1196 KB |
Output is correct |
28 |
Correct |
5 ms |
1336 KB |
Output is correct |
29 |
Correct |
5 ms |
1452 KB |
Output is correct |
30 |
Correct |
6 ms |
1644 KB |
Output is correct |
31 |
Correct |
4 ms |
1708 KB |
Output is correct |
32 |
Correct |
5 ms |
1900 KB |
Output is correct |
33 |
Correct |
4 ms |
1964 KB |
Output is correct |
34 |
Correct |
6 ms |
2096 KB |
Output is correct |
35 |
Correct |
5 ms |
2224 KB |
Output is correct |
36 |
Correct |
5 ms |
2360 KB |
Output is correct |
37 |
Correct |
8 ms |
2480 KB |
Output is correct |
38 |
Correct |
4 ms |
2672 KB |
Output is correct |
39 |
Correct |
6 ms |
2672 KB |
Output is correct |
40 |
Correct |
5 ms |
2868 KB |
Output is correct |
41 |
Correct |
6 ms |
2992 KB |
Output is correct |
42 |
Correct |
6 ms |
3168 KB |
Output is correct |
43 |
Correct |
6 ms |
3244 KB |
Output is correct |
44 |
Correct |
5 ms |
3372 KB |
Output is correct |
45 |
Correct |
6 ms |
3632 KB |
Output is correct |
46 |
Correct |
6 ms |
3648 KB |
Output is correct |
47 |
Correct |
5 ms |
3772 KB |
Output is correct |
48 |
Correct |
5 ms |
3900 KB |
Output is correct |
49 |
Correct |
5 ms |
4028 KB |
Output is correct |
50 |
Correct |
4 ms |
4156 KB |
Output is correct |
51 |
Correct |
4 ms |
4412 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
2 ms |
484 KB |
Output is correct |
4 |
Correct |
2 ms |
556 KB |
Output is correct |
5 |
Correct |
2 ms |
556 KB |
Output is correct |
6 |
Correct |
2 ms |
556 KB |
Output is correct |
7 |
Correct |
2 ms |
568 KB |
Output is correct |
8 |
Correct |
2 ms |
700 KB |
Output is correct |
9 |
Correct |
3 ms |
700 KB |
Output is correct |
10 |
Correct |
2 ms |
700 KB |
Output is correct |
11 |
Correct |
2 ms |
700 KB |
Output is correct |
12 |
Correct |
2 ms |
700 KB |
Output is correct |
13 |
Correct |
2 ms |
764 KB |
Output is correct |
14 |
Correct |
2 ms |
788 KB |
Output is correct |
15 |
Correct |
2 ms |
800 KB |
Output is correct |
16 |
Correct |
2 ms |
852 KB |
Output is correct |
17 |
Correct |
2 ms |
852 KB |
Output is correct |
18 |
Correct |
3 ms |
856 KB |
Output is correct |
19 |
Correct |
2 ms |
860 KB |
Output is correct |
20 |
Correct |
2 ms |
868 KB |
Output is correct |
21 |
Correct |
2 ms |
1080 KB |
Output is correct |
22 |
Correct |
2 ms |
1080 KB |
Output is correct |
23 |
Correct |
2 ms |
1080 KB |
Output is correct |
24 |
Correct |
2 ms |
1080 KB |
Output is correct |
25 |
Correct |
3 ms |
1080 KB |
Output is correct |
26 |
Correct |
2 ms |
1080 KB |
Output is correct |
27 |
Correct |
4 ms |
1196 KB |
Output is correct |
28 |
Correct |
5 ms |
1336 KB |
Output is correct |
29 |
Correct |
5 ms |
1452 KB |
Output is correct |
30 |
Correct |
6 ms |
1644 KB |
Output is correct |
31 |
Correct |
4 ms |
1708 KB |
Output is correct |
32 |
Correct |
5 ms |
1900 KB |
Output is correct |
33 |
Correct |
4 ms |
1964 KB |
Output is correct |
34 |
Correct |
6 ms |
2096 KB |
Output is correct |
35 |
Correct |
5 ms |
2224 KB |
Output is correct |
36 |
Correct |
5 ms |
2360 KB |
Output is correct |
37 |
Correct |
8 ms |
2480 KB |
Output is correct |
38 |
Correct |
4 ms |
2672 KB |
Output is correct |
39 |
Correct |
6 ms |
2672 KB |
Output is correct |
40 |
Correct |
5 ms |
2868 KB |
Output is correct |
41 |
Correct |
6 ms |
2992 KB |
Output is correct |
42 |
Correct |
6 ms |
3168 KB |
Output is correct |
43 |
Correct |
6 ms |
3244 KB |
Output is correct |
44 |
Correct |
5 ms |
3372 KB |
Output is correct |
45 |
Correct |
6 ms |
3632 KB |
Output is correct |
46 |
Correct |
6 ms |
3648 KB |
Output is correct |
47 |
Correct |
5 ms |
3772 KB |
Output is correct |
48 |
Correct |
5 ms |
3900 KB |
Output is correct |
49 |
Correct |
5 ms |
4028 KB |
Output is correct |
50 |
Correct |
4 ms |
4156 KB |
Output is correct |
51 |
Correct |
4 ms |
4412 KB |
Output is correct |
52 |
Correct |
252 ms |
32328 KB |
Output is correct |
53 |
Correct |
253 ms |
45064 KB |
Output is correct |
54 |
Correct |
262 ms |
57980 KB |
Output is correct |
55 |
Correct |
273 ms |
70528 KB |
Output is correct |
56 |
Correct |
279 ms |
83096 KB |
Output is correct |
57 |
Correct |
278 ms |
95864 KB |
Output is correct |
58 |
Correct |
294 ms |
108540 KB |
Output is correct |
59 |
Correct |
302 ms |
121092 KB |
Output is correct |
60 |
Correct |
282 ms |
133964 KB |
Output is correct |
61 |
Correct |
259 ms |
145504 KB |
Output is correct |
62 |
Correct |
262 ms |
156800 KB |
Output is correct |
63 |
Correct |
265 ms |
168440 KB |
Output is correct |
64 |
Correct |
266 ms |
179604 KB |
Output is correct |
65 |
Correct |
288 ms |
191584 KB |
Output is correct |
66 |
Correct |
279 ms |
201848 KB |
Output is correct |
67 |
Correct |
300 ms |
212684 KB |
Output is correct |
68 |
Correct |
313 ms |
223932 KB |
Output is correct |