#include <bits/stdc++.h>
using namespace std;
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int N; cin >> N;
vector<pair<long long,long long>> vec(N+1);
for(int i = 1;i<=N;++i) cin >> vec[i].first >> vec[i].second; //first is size, second is value
sort(vec.begin(),vec.end()); //sorted by size
vector<long long> pref(N+1); pref[0] = 0;
for(int i = 1;i<=N;++i) pref[i] = pref[i-1]+vec[i].second; //prefix sums on value
long long cur = vec[1].first, ans = 0;
for(int i = 1;i<=N;++i){
cur = max(cur,vec[i].first-pref[i-1]);
ans = max(ans,pref[i]-vec[i].first+cur);
//cout << cur << " " << ans << "\n";
}
cout << ans << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
288 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
288 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
324 KB |
Output is correct |
16 |
Correct |
0 ms |
320 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
320 KB |
Output is correct |
26 |
Correct |
1 ms |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
288 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
324 KB |
Output is correct |
16 |
Correct |
0 ms |
320 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
320 KB |
Output is correct |
26 |
Correct |
1 ms |
320 KB |
Output is correct |
27 |
Correct |
2 ms |
468 KB |
Output is correct |
28 |
Correct |
2 ms |
468 KB |
Output is correct |
29 |
Correct |
3 ms |
464 KB |
Output is correct |
30 |
Correct |
2 ms |
468 KB |
Output is correct |
31 |
Correct |
1 ms |
512 KB |
Output is correct |
32 |
Correct |
2 ms |
456 KB |
Output is correct |
33 |
Correct |
2 ms |
460 KB |
Output is correct |
34 |
Correct |
2 ms |
524 KB |
Output is correct |
35 |
Correct |
2 ms |
524 KB |
Output is correct |
36 |
Correct |
2 ms |
460 KB |
Output is correct |
37 |
Correct |
2 ms |
468 KB |
Output is correct |
38 |
Correct |
2 ms |
468 KB |
Output is correct |
39 |
Correct |
2 ms |
528 KB |
Output is correct |
40 |
Correct |
2 ms |
596 KB |
Output is correct |
41 |
Correct |
2 ms |
468 KB |
Output is correct |
42 |
Correct |
2 ms |
468 KB |
Output is correct |
43 |
Correct |
2 ms |
468 KB |
Output is correct |
44 |
Correct |
2 ms |
468 KB |
Output is correct |
45 |
Correct |
2 ms |
460 KB |
Output is correct |
46 |
Correct |
2 ms |
528 KB |
Output is correct |
47 |
Correct |
2 ms |
468 KB |
Output is correct |
48 |
Correct |
2 ms |
512 KB |
Output is correct |
49 |
Correct |
2 ms |
456 KB |
Output is correct |
50 |
Correct |
2 ms |
524 KB |
Output is correct |
51 |
Correct |
2 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
288 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
324 KB |
Output is correct |
16 |
Correct |
0 ms |
320 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
320 KB |
Output is correct |
26 |
Correct |
1 ms |
320 KB |
Output is correct |
27 |
Correct |
2 ms |
468 KB |
Output is correct |
28 |
Correct |
2 ms |
468 KB |
Output is correct |
29 |
Correct |
3 ms |
464 KB |
Output is correct |
30 |
Correct |
2 ms |
468 KB |
Output is correct |
31 |
Correct |
1 ms |
512 KB |
Output is correct |
32 |
Correct |
2 ms |
456 KB |
Output is correct |
33 |
Correct |
2 ms |
460 KB |
Output is correct |
34 |
Correct |
2 ms |
524 KB |
Output is correct |
35 |
Correct |
2 ms |
524 KB |
Output is correct |
36 |
Correct |
2 ms |
460 KB |
Output is correct |
37 |
Correct |
2 ms |
468 KB |
Output is correct |
38 |
Correct |
2 ms |
468 KB |
Output is correct |
39 |
Correct |
2 ms |
528 KB |
Output is correct |
40 |
Correct |
2 ms |
596 KB |
Output is correct |
41 |
Correct |
2 ms |
468 KB |
Output is correct |
42 |
Correct |
2 ms |
468 KB |
Output is correct |
43 |
Correct |
2 ms |
468 KB |
Output is correct |
44 |
Correct |
2 ms |
468 KB |
Output is correct |
45 |
Correct |
2 ms |
460 KB |
Output is correct |
46 |
Correct |
2 ms |
528 KB |
Output is correct |
47 |
Correct |
2 ms |
468 KB |
Output is correct |
48 |
Correct |
2 ms |
512 KB |
Output is correct |
49 |
Correct |
2 ms |
456 KB |
Output is correct |
50 |
Correct |
2 ms |
524 KB |
Output is correct |
51 |
Correct |
2 ms |
468 KB |
Output is correct |
52 |
Correct |
135 ms |
24576 KB |
Output is correct |
53 |
Correct |
152 ms |
24652 KB |
Output is correct |
54 |
Correct |
158 ms |
24640 KB |
Output is correct |
55 |
Correct |
132 ms |
24636 KB |
Output is correct |
56 |
Correct |
134 ms |
24644 KB |
Output is correct |
57 |
Correct |
133 ms |
24652 KB |
Output is correct |
58 |
Correct |
132 ms |
24772 KB |
Output is correct |
59 |
Correct |
132 ms |
24660 KB |
Output is correct |
60 |
Correct |
133 ms |
24644 KB |
Output is correct |
61 |
Correct |
134 ms |
24524 KB |
Output is correct |
62 |
Correct |
133 ms |
24660 KB |
Output is correct |
63 |
Correct |
145 ms |
24652 KB |
Output is correct |
64 |
Correct |
141 ms |
24640 KB |
Output is correct |
65 |
Correct |
132 ms |
24644 KB |
Output is correct |
66 |
Correct |
132 ms |
24640 KB |
Output is correct |
67 |
Correct |
161 ms |
24644 KB |
Output is correct |
68 |
Correct |
139 ms |
24628 KB |
Output is correct |