#include <iostream>
#include <vector>
#include <algorithm>
#define MAXN 500000
using namespace std;
bool sortcol(vector<long long> v1, vector<long long> v2) {
return v1[0] < v2[0];
}
vector< vector<long long> > vect;
long long pre[MAXN];
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int N;
cin >> N;
for (int i = 0; i < N; i++) {
long long A, B;
cin >> A >> B;
vector<long long> vals;
vals.push_back(A); vals.push_back(B);
vect.push_back(vals);
}
sort(vect.begin(), vect.end(), sortcol);
long long curr = 0;
for (int i = 0; i < N-1; i++) {
curr = max(curr, vect[i][1]);
pre[i] = curr;
curr += (vect[i][0] - vect[i+1][0] + vect[i+1][1]);
}
pre[N - 1] = max(curr, vect[N - 1][1]);
curr = 0;
long long ans = 0;
for (int i = N-1; i >0; i--) {
curr = max(curr, vect[i][1]);
ans = max(ans, pre[i] + curr - vect[i][1]);
curr += (vect[i-1][0] - vect[i][0] + vect[i-1][1]);
}
ans = max(ans, vect[0][1]);
cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
296 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
296 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 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 |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
360 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
296 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 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 |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
360 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
5 ms |
724 KB |
Output is correct |
28 |
Correct |
6 ms |
604 KB |
Output is correct |
29 |
Correct |
5 ms |
724 KB |
Output is correct |
30 |
Correct |
5 ms |
688 KB |
Output is correct |
31 |
Correct |
5 ms |
724 KB |
Output is correct |
32 |
Correct |
6 ms |
692 KB |
Output is correct |
33 |
Correct |
5 ms |
604 KB |
Output is correct |
34 |
Correct |
6 ms |
604 KB |
Output is correct |
35 |
Correct |
5 ms |
684 KB |
Output is correct |
36 |
Correct |
6 ms |
724 KB |
Output is correct |
37 |
Correct |
7 ms |
724 KB |
Output is correct |
38 |
Correct |
7 ms |
604 KB |
Output is correct |
39 |
Correct |
8 ms |
724 KB |
Output is correct |
40 |
Correct |
6 ms |
688 KB |
Output is correct |
41 |
Correct |
6 ms |
688 KB |
Output is correct |
42 |
Correct |
6 ms |
724 KB |
Output is correct |
43 |
Correct |
6 ms |
684 KB |
Output is correct |
44 |
Correct |
6 ms |
692 KB |
Output is correct |
45 |
Correct |
6 ms |
724 KB |
Output is correct |
46 |
Correct |
6 ms |
724 KB |
Output is correct |
47 |
Correct |
6 ms |
604 KB |
Output is correct |
48 |
Correct |
6 ms |
724 KB |
Output is correct |
49 |
Correct |
8 ms |
684 KB |
Output is correct |
50 |
Correct |
6 ms |
724 KB |
Output is correct |
51 |
Correct |
5 ms |
724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
296 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 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 |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
360 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
5 ms |
724 KB |
Output is correct |
28 |
Correct |
6 ms |
604 KB |
Output is correct |
29 |
Correct |
5 ms |
724 KB |
Output is correct |
30 |
Correct |
5 ms |
688 KB |
Output is correct |
31 |
Correct |
5 ms |
724 KB |
Output is correct |
32 |
Correct |
6 ms |
692 KB |
Output is correct |
33 |
Correct |
5 ms |
604 KB |
Output is correct |
34 |
Correct |
6 ms |
604 KB |
Output is correct |
35 |
Correct |
5 ms |
684 KB |
Output is correct |
36 |
Correct |
6 ms |
724 KB |
Output is correct |
37 |
Correct |
7 ms |
724 KB |
Output is correct |
38 |
Correct |
7 ms |
604 KB |
Output is correct |
39 |
Correct |
8 ms |
724 KB |
Output is correct |
40 |
Correct |
6 ms |
688 KB |
Output is correct |
41 |
Correct |
6 ms |
688 KB |
Output is correct |
42 |
Correct |
6 ms |
724 KB |
Output is correct |
43 |
Correct |
6 ms |
684 KB |
Output is correct |
44 |
Correct |
6 ms |
692 KB |
Output is correct |
45 |
Correct |
6 ms |
724 KB |
Output is correct |
46 |
Correct |
6 ms |
724 KB |
Output is correct |
47 |
Correct |
6 ms |
604 KB |
Output is correct |
48 |
Correct |
6 ms |
724 KB |
Output is correct |
49 |
Correct |
8 ms |
684 KB |
Output is correct |
50 |
Correct |
6 ms |
724 KB |
Output is correct |
51 |
Correct |
5 ms |
724 KB |
Output is correct |
52 |
Correct |
896 ms |
31692 KB |
Output is correct |
53 |
Correct |
892 ms |
44244 KB |
Output is correct |
54 |
Correct |
904 ms |
44268 KB |
Output is correct |
55 |
Correct |
882 ms |
44244 KB |
Output is correct |
56 |
Correct |
911 ms |
44244 KB |
Output is correct |
57 |
Correct |
878 ms |
44240 KB |
Output is correct |
58 |
Correct |
885 ms |
44336 KB |
Output is correct |
59 |
Correct |
865 ms |
44368 KB |
Output is correct |
60 |
Correct |
902 ms |
44236 KB |
Output is correct |
61 |
Correct |
887 ms |
44116 KB |
Output is correct |
62 |
Correct |
906 ms |
44240 KB |
Output is correct |
63 |
Correct |
883 ms |
44240 KB |
Output is correct |
64 |
Correct |
839 ms |
44264 KB |
Output is correct |
65 |
Correct |
886 ms |
44248 KB |
Output is correct |
66 |
Correct |
860 ms |
44268 KB |
Output is correct |
67 |
Correct |
846 ms |
44260 KB |
Output is correct |
68 |
Correct |
850 ms |
44352 KB |
Output is correct |