#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, int> pli;
typedef pair<ll, ll> pll;
const int N = 5e5 + 3;
int n;
ll dp[N], pref[N];
pll a[N];
void solve() {
cin >> n;
for (int i = 1; i <= n; ++i)
cin >> a[i].fi >> a[i].se;
sort(a + 1, a + n + 1);
ll ans = 0;
for (int i = 1; i <= n; ++i) {
dp[i] = max(a[i].se, pref[i - 1] + a[i].se - a[i].fi);
ans = max(ans, dp[i]);
dp[i] += a[i].fi;
pref[i] = max(pref[i - 1], dp[i]);
}
cout << ans;
}
int main() {
cin.tie(NULL);
ios_base::sync_with_stdio(false);
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
336 KB |
Output is correct |
2 |
Correct |
0 ms |
336 KB |
Output is correct |
3 |
Correct |
0 ms |
336 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
0 ms |
336 KB |
Output is correct |
6 |
Correct |
0 ms |
336 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
336 KB |
Output is correct |
9 |
Correct |
0 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
336 KB |
Output is correct |
2 |
Correct |
0 ms |
336 KB |
Output is correct |
3 |
Correct |
0 ms |
336 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
0 ms |
336 KB |
Output is correct |
6 |
Correct |
0 ms |
336 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
336 KB |
Output is correct |
9 |
Correct |
0 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
336 KB |
Output is correct |
2 |
Correct |
0 ms |
336 KB |
Output is correct |
3 |
Correct |
0 ms |
336 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
0 ms |
336 KB |
Output is correct |
6 |
Correct |
0 ms |
336 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
336 KB |
Output is correct |
9 |
Correct |
0 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
3 ms |
592 KB |
Output is correct |
28 |
Correct |
2 ms |
568 KB |
Output is correct |
29 |
Correct |
3 ms |
592 KB |
Output is correct |
30 |
Correct |
2 ms |
592 KB |
Output is correct |
31 |
Correct |
2 ms |
592 KB |
Output is correct |
32 |
Correct |
2 ms |
592 KB |
Output is correct |
33 |
Correct |
2 ms |
592 KB |
Output is correct |
34 |
Correct |
2 ms |
592 KB |
Output is correct |
35 |
Correct |
2 ms |
592 KB |
Output is correct |
36 |
Correct |
3 ms |
568 KB |
Output is correct |
37 |
Correct |
2 ms |
592 KB |
Output is correct |
38 |
Correct |
2 ms |
592 KB |
Output is correct |
39 |
Correct |
3 ms |
592 KB |
Output is correct |
40 |
Correct |
2 ms |
592 KB |
Output is correct |
41 |
Correct |
2 ms |
592 KB |
Output is correct |
42 |
Correct |
3 ms |
592 KB |
Output is correct |
43 |
Correct |
2 ms |
592 KB |
Output is correct |
44 |
Correct |
3 ms |
592 KB |
Output is correct |
45 |
Correct |
3 ms |
592 KB |
Output is correct |
46 |
Correct |
2 ms |
592 KB |
Output is correct |
47 |
Correct |
2 ms |
592 KB |
Output is correct |
48 |
Correct |
3 ms |
592 KB |
Output is correct |
49 |
Correct |
3 ms |
592 KB |
Output is correct |
50 |
Correct |
2 ms |
592 KB |
Output is correct |
51 |
Correct |
2 ms |
592 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
336 KB |
Output is correct |
2 |
Correct |
0 ms |
336 KB |
Output is correct |
3 |
Correct |
0 ms |
336 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
0 ms |
336 KB |
Output is correct |
6 |
Correct |
0 ms |
336 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
336 KB |
Output is correct |
9 |
Correct |
0 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
3 ms |
592 KB |
Output is correct |
28 |
Correct |
2 ms |
568 KB |
Output is correct |
29 |
Correct |
3 ms |
592 KB |
Output is correct |
30 |
Correct |
2 ms |
592 KB |
Output is correct |
31 |
Correct |
2 ms |
592 KB |
Output is correct |
32 |
Correct |
2 ms |
592 KB |
Output is correct |
33 |
Correct |
2 ms |
592 KB |
Output is correct |
34 |
Correct |
2 ms |
592 KB |
Output is correct |
35 |
Correct |
2 ms |
592 KB |
Output is correct |
36 |
Correct |
3 ms |
568 KB |
Output is correct |
37 |
Correct |
2 ms |
592 KB |
Output is correct |
38 |
Correct |
2 ms |
592 KB |
Output is correct |
39 |
Correct |
3 ms |
592 KB |
Output is correct |
40 |
Correct |
2 ms |
592 KB |
Output is correct |
41 |
Correct |
2 ms |
592 KB |
Output is correct |
42 |
Correct |
3 ms |
592 KB |
Output is correct |
43 |
Correct |
2 ms |
592 KB |
Output is correct |
44 |
Correct |
3 ms |
592 KB |
Output is correct |
45 |
Correct |
3 ms |
592 KB |
Output is correct |
46 |
Correct |
2 ms |
592 KB |
Output is correct |
47 |
Correct |
2 ms |
592 KB |
Output is correct |
48 |
Correct |
3 ms |
592 KB |
Output is correct |
49 |
Correct |
3 ms |
592 KB |
Output is correct |
50 |
Correct |
2 ms |
592 KB |
Output is correct |
51 |
Correct |
2 ms |
592 KB |
Output is correct |
52 |
Correct |
204 ms |
28512 KB |
Output is correct |
53 |
Correct |
190 ms |
28616 KB |
Output is correct |
54 |
Correct |
196 ms |
28624 KB |
Output is correct |
55 |
Correct |
207 ms |
28616 KB |
Output is correct |
56 |
Correct |
208 ms |
28608 KB |
Output is correct |
57 |
Correct |
191 ms |
28616 KB |
Output is correct |
58 |
Correct |
191 ms |
28604 KB |
Output is correct |
59 |
Correct |
198 ms |
28616 KB |
Output is correct |
60 |
Correct |
197 ms |
28580 KB |
Output is correct |
61 |
Correct |
201 ms |
28480 KB |
Output is correct |
62 |
Correct |
189 ms |
28612 KB |
Output is correct |
63 |
Correct |
204 ms |
28612 KB |
Output is correct |
64 |
Correct |
213 ms |
28616 KB |
Output is correct |
65 |
Correct |
202 ms |
28540 KB |
Output is correct |
66 |
Correct |
196 ms |
28512 KB |
Output is correct |
67 |
Correct |
216 ms |
28612 KB |
Output is correct |
68 |
Correct |
209 ms |
28528 KB |
Output is correct |