#include <bits/stdc++.h>
using namespace std;
pair<long long, long long> a[500005];
vector<long long> v;
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
long long n, sum, ans=0;
cin >> n;
for (long long i=1; i<=n; i++)
cin >> a[i].first >> a[i].second;
sort(a+1, a+n+1);
for (long long i=1; i<=n; i++)
v.push_back(a[i].second-a[i].first+a[i-1].first);
sum=a[1].first;
for (long long i=0; i<v.size(); i++)
{
sum=max(0LL, sum+v[i]);
ans=max(ans, sum);
sum=max(sum, a[i+2].first-a[i+1].first);
}
cout << ans;
return 0;
}
Compilation message
art.cpp: In function 'int main()':
art.cpp:18:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
18 | for (long long i=0; i<v.size(); i++)
| ~^~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
320 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
324 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
324 KB |
Output is correct |
| 26 |
Correct |
0 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
320 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
324 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
324 KB |
Output is correct |
| 26 |
Correct |
0 ms |
332 KB |
Output is correct |
| 27 |
Correct |
2 ms |
588 KB |
Output is correct |
| 28 |
Correct |
2 ms |
588 KB |
Output is correct |
| 29 |
Correct |
2 ms |
588 KB |
Output is correct |
| 30 |
Correct |
2 ms |
588 KB |
Output is correct |
| 31 |
Correct |
2 ms |
600 KB |
Output is correct |
| 32 |
Correct |
2 ms |
580 KB |
Output is correct |
| 33 |
Correct |
2 ms |
588 KB |
Output is correct |
| 34 |
Correct |
2 ms |
588 KB |
Output is correct |
| 35 |
Correct |
2 ms |
588 KB |
Output is correct |
| 36 |
Correct |
2 ms |
576 KB |
Output is correct |
| 37 |
Correct |
2 ms |
560 KB |
Output is correct |
| 38 |
Correct |
3 ms |
592 KB |
Output is correct |
| 39 |
Correct |
2 ms |
584 KB |
Output is correct |
| 40 |
Correct |
2 ms |
580 KB |
Output is correct |
| 41 |
Correct |
2 ms |
588 KB |
Output is correct |
| 42 |
Correct |
2 ms |
580 KB |
Output is correct |
| 43 |
Correct |
2 ms |
580 KB |
Output is correct |
| 44 |
Correct |
2 ms |
588 KB |
Output is correct |
| 45 |
Correct |
2 ms |
588 KB |
Output is correct |
| 46 |
Correct |
2 ms |
588 KB |
Output is correct |
| 47 |
Correct |
2 ms |
556 KB |
Output is correct |
| 48 |
Correct |
2 ms |
564 KB |
Output is correct |
| 49 |
Correct |
2 ms |
588 KB |
Output is correct |
| 50 |
Correct |
2 ms |
588 KB |
Output is correct |
| 51 |
Correct |
2 ms |
588 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
320 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
324 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
324 KB |
Output is correct |
| 26 |
Correct |
0 ms |
332 KB |
Output is correct |
| 27 |
Correct |
2 ms |
588 KB |
Output is correct |
| 28 |
Correct |
2 ms |
588 KB |
Output is correct |
| 29 |
Correct |
2 ms |
588 KB |
Output is correct |
| 30 |
Correct |
2 ms |
588 KB |
Output is correct |
| 31 |
Correct |
2 ms |
600 KB |
Output is correct |
| 32 |
Correct |
2 ms |
580 KB |
Output is correct |
| 33 |
Correct |
2 ms |
588 KB |
Output is correct |
| 34 |
Correct |
2 ms |
588 KB |
Output is correct |
| 35 |
Correct |
2 ms |
588 KB |
Output is correct |
| 36 |
Correct |
2 ms |
576 KB |
Output is correct |
| 37 |
Correct |
2 ms |
560 KB |
Output is correct |
| 38 |
Correct |
3 ms |
592 KB |
Output is correct |
| 39 |
Correct |
2 ms |
584 KB |
Output is correct |
| 40 |
Correct |
2 ms |
580 KB |
Output is correct |
| 41 |
Correct |
2 ms |
588 KB |
Output is correct |
| 42 |
Correct |
2 ms |
580 KB |
Output is correct |
| 43 |
Correct |
2 ms |
580 KB |
Output is correct |
| 44 |
Correct |
2 ms |
588 KB |
Output is correct |
| 45 |
Correct |
2 ms |
588 KB |
Output is correct |
| 46 |
Correct |
2 ms |
588 KB |
Output is correct |
| 47 |
Correct |
2 ms |
556 KB |
Output is correct |
| 48 |
Correct |
2 ms |
564 KB |
Output is correct |
| 49 |
Correct |
2 ms |
588 KB |
Output is correct |
| 50 |
Correct |
2 ms |
588 KB |
Output is correct |
| 51 |
Correct |
2 ms |
588 KB |
Output is correct |
| 52 |
Correct |
171 ms |
15620 KB |
Output is correct |
| 53 |
Correct |
172 ms |
15548 KB |
Output is correct |
| 54 |
Correct |
166 ms |
16320 KB |
Output is correct |
| 55 |
Correct |
174 ms |
16316 KB |
Output is correct |
| 56 |
Correct |
179 ms |
16332 KB |
Output is correct |
| 57 |
Correct |
167 ms |
16316 KB |
Output is correct |
| 58 |
Correct |
169 ms |
16328 KB |
Output is correct |
| 59 |
Correct |
168 ms |
16236 KB |
Output is correct |
| 60 |
Correct |
170 ms |
16256 KB |
Output is correct |
| 61 |
Correct |
169 ms |
16344 KB |
Output is correct |
| 62 |
Correct |
163 ms |
16332 KB |
Output is correct |
| 63 |
Correct |
167 ms |
16380 KB |
Output is correct |
| 64 |
Correct |
173 ms |
16396 KB |
Output is correct |
| 65 |
Correct |
163 ms |
16316 KB |
Output is correct |
| 66 |
Correct |
168 ms |
16360 KB |
Output is correct |
| 67 |
Correct |
181 ms |
16304 KB |
Output is correct |
| 68 |
Correct |
170 ms |
16304 KB |
Output is correct |
