#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
ios::sync_with_stdio(0); cin.tie();
int n; cin >> n;
pair<int, int> p[n];
for (int i = 0; i < n; ++i) {
cin >> p[i].first >> p[i].second;
}
sort(p, p + n);
vector<int> d(n);
int s = 0;
for (int i = 0; i < n; ++i) {
s += p[i].second;
d[i] = s - p[i].first;
}
for (int i = n - 2; i >= 0; --i)
d[i] = max(d[i], d[i + 1]);
int ans = 0;
int pen = 0;
for (int i = 0; i < n; ++i) {
ans = max(ans, d[i] + p[i].first + pen);
pen -= p[i].second;
}
cout << ans << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
3 ms |
512 KB |
Output is correct |
28 |
Correct |
4 ms |
512 KB |
Output is correct |
29 |
Correct |
2 ms |
640 KB |
Output is correct |
30 |
Correct |
3 ms |
512 KB |
Output is correct |
31 |
Correct |
3 ms |
512 KB |
Output is correct |
32 |
Correct |
3 ms |
512 KB |
Output is correct |
33 |
Correct |
3 ms |
512 KB |
Output is correct |
34 |
Correct |
3 ms |
512 KB |
Output is correct |
35 |
Correct |
3 ms |
640 KB |
Output is correct |
36 |
Correct |
3 ms |
512 KB |
Output is correct |
37 |
Correct |
2 ms |
512 KB |
Output is correct |
38 |
Correct |
3 ms |
512 KB |
Output is correct |
39 |
Correct |
3 ms |
512 KB |
Output is correct |
40 |
Correct |
4 ms |
512 KB |
Output is correct |
41 |
Correct |
3 ms |
640 KB |
Output is correct |
42 |
Correct |
2 ms |
512 KB |
Output is correct |
43 |
Correct |
2 ms |
512 KB |
Output is correct |
44 |
Correct |
3 ms |
512 KB |
Output is correct |
45 |
Correct |
3 ms |
640 KB |
Output is correct |
46 |
Correct |
2 ms |
512 KB |
Output is correct |
47 |
Correct |
2 ms |
512 KB |
Output is correct |
48 |
Correct |
3 ms |
640 KB |
Output is correct |
49 |
Correct |
3 ms |
512 KB |
Output is correct |
50 |
Correct |
2 ms |
640 KB |
Output is correct |
51 |
Correct |
3 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
3 ms |
512 KB |
Output is correct |
28 |
Correct |
4 ms |
512 KB |
Output is correct |
29 |
Correct |
2 ms |
640 KB |
Output is correct |
30 |
Correct |
3 ms |
512 KB |
Output is correct |
31 |
Correct |
3 ms |
512 KB |
Output is correct |
32 |
Correct |
3 ms |
512 KB |
Output is correct |
33 |
Correct |
3 ms |
512 KB |
Output is correct |
34 |
Correct |
3 ms |
512 KB |
Output is correct |
35 |
Correct |
3 ms |
640 KB |
Output is correct |
36 |
Correct |
3 ms |
512 KB |
Output is correct |
37 |
Correct |
2 ms |
512 KB |
Output is correct |
38 |
Correct |
3 ms |
512 KB |
Output is correct |
39 |
Correct |
3 ms |
512 KB |
Output is correct |
40 |
Correct |
4 ms |
512 KB |
Output is correct |
41 |
Correct |
3 ms |
640 KB |
Output is correct |
42 |
Correct |
2 ms |
512 KB |
Output is correct |
43 |
Correct |
2 ms |
512 KB |
Output is correct |
44 |
Correct |
3 ms |
512 KB |
Output is correct |
45 |
Correct |
3 ms |
640 KB |
Output is correct |
46 |
Correct |
2 ms |
512 KB |
Output is correct |
47 |
Correct |
2 ms |
512 KB |
Output is correct |
48 |
Correct |
3 ms |
640 KB |
Output is correct |
49 |
Correct |
3 ms |
512 KB |
Output is correct |
50 |
Correct |
2 ms |
640 KB |
Output is correct |
51 |
Correct |
3 ms |
512 KB |
Output is correct |
52 |
Correct |
215 ms |
13048 KB |
Output is correct |
53 |
Correct |
231 ms |
13176 KB |
Output is correct |
54 |
Correct |
214 ms |
13076 KB |
Output is correct |
55 |
Correct |
231 ms |
13048 KB |
Output is correct |
56 |
Correct |
215 ms |
13048 KB |
Output is correct |
57 |
Correct |
214 ms |
13048 KB |
Output is correct |
58 |
Correct |
223 ms |
13048 KB |
Output is correct |
59 |
Correct |
218 ms |
13048 KB |
Output is correct |
60 |
Correct |
213 ms |
13048 KB |
Output is correct |
61 |
Correct |
225 ms |
13048 KB |
Output is correct |
62 |
Correct |
220 ms |
13052 KB |
Output is correct |
63 |
Correct |
218 ms |
13048 KB |
Output is correct |
64 |
Correct |
225 ms |
13076 KB |
Output is correct |
65 |
Correct |
223 ms |
13048 KB |
Output is correct |
66 |
Correct |
224 ms |
13048 KB |
Output is correct |
67 |
Correct |
220 ms |
13176 KB |
Output is correct |
68 |
Correct |
218 ms |
13052 KB |
Output is correct |