#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef complex<ld> cd;
typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;
typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<cd> vcd;
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
#define FOR(i, a, b) for (int i=a; i<(b); i++)
#define F0R(i, a) for (int i=0; i<(a); i++)
#define FORd(i,a,b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i,a) for (int i = (a)-1; i >= 0; i--)
#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
const int MOD = 1000000007;
const ll INF = 1e18;
const int MX = 100001;
int n;
pl v[500005];
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
cin >> n;
F0R(i,n) cin >> v[i+1].f >> v[i+1].s;
sort(v+1,v+n+1);
FOR(i,1,n+1) v[i].s += v[i-1].s;
ll mx = -INF, ans = 0;
FORd(i,1,n+1) {
mx = max(mx,v[i].s-v[i].f);
ans = max(ans,mx-v[i-1].s+v[i].f);
}
cout << ans;
}
/* Look for:
* the exact constraints (multiple sets are too slow for n=10^6 :( )
* special cases (n=1?)
* overflow (ll vs int?)
* array bounds
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
248 KB |
Output is correct |
2 |
Correct |
2 ms |
360 KB |
Output is correct |
3 |
Correct |
2 ms |
476 KB |
Output is correct |
4 |
Correct |
2 ms |
712 KB |
Output is correct |
5 |
Correct |
3 ms |
712 KB |
Output is correct |
6 |
Correct |
2 ms |
736 KB |
Output is correct |
7 |
Correct |
2 ms |
740 KB |
Output is correct |
8 |
Correct |
4 ms |
744 KB |
Output is correct |
9 |
Correct |
2 ms |
748 KB |
Output is correct |
10 |
Correct |
3 ms |
880 KB |
Output is correct |
11 |
Correct |
2 ms |
880 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
248 KB |
Output is correct |
2 |
Correct |
2 ms |
360 KB |
Output is correct |
3 |
Correct |
2 ms |
476 KB |
Output is correct |
4 |
Correct |
2 ms |
712 KB |
Output is correct |
5 |
Correct |
3 ms |
712 KB |
Output is correct |
6 |
Correct |
2 ms |
736 KB |
Output is correct |
7 |
Correct |
2 ms |
740 KB |
Output is correct |
8 |
Correct |
4 ms |
744 KB |
Output is correct |
9 |
Correct |
2 ms |
748 KB |
Output is correct |
10 |
Correct |
3 ms |
880 KB |
Output is correct |
11 |
Correct |
2 ms |
880 KB |
Output is correct |
12 |
Correct |
2 ms |
880 KB |
Output is correct |
13 |
Correct |
3 ms |
880 KB |
Output is correct |
14 |
Correct |
2 ms |
880 KB |
Output is correct |
15 |
Correct |
2 ms |
880 KB |
Output is correct |
16 |
Correct |
2 ms |
880 KB |
Output is correct |
17 |
Correct |
2 ms |
880 KB |
Output is correct |
18 |
Correct |
3 ms |
880 KB |
Output is correct |
19 |
Correct |
2 ms |
1024 KB |
Output is correct |
20 |
Correct |
3 ms |
1024 KB |
Output is correct |
21 |
Correct |
4 ms |
1024 KB |
Output is correct |
22 |
Correct |
2 ms |
1024 KB |
Output is correct |
23 |
Correct |
2 ms |
1024 KB |
Output is correct |
24 |
Correct |
2 ms |
1024 KB |
Output is correct |
25 |
Correct |
2 ms |
1024 KB |
Output is correct |
26 |
Correct |
2 ms |
1024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
248 KB |
Output is correct |
2 |
Correct |
2 ms |
360 KB |
Output is correct |
3 |
Correct |
2 ms |
476 KB |
Output is correct |
4 |
Correct |
2 ms |
712 KB |
Output is correct |
5 |
Correct |
3 ms |
712 KB |
Output is correct |
6 |
Correct |
2 ms |
736 KB |
Output is correct |
7 |
Correct |
2 ms |
740 KB |
Output is correct |
8 |
Correct |
4 ms |
744 KB |
Output is correct |
9 |
Correct |
2 ms |
748 KB |
Output is correct |
10 |
Correct |
3 ms |
880 KB |
Output is correct |
11 |
Correct |
2 ms |
880 KB |
Output is correct |
12 |
Correct |
2 ms |
880 KB |
Output is correct |
13 |
Correct |
3 ms |
880 KB |
Output is correct |
14 |
Correct |
2 ms |
880 KB |
Output is correct |
15 |
Correct |
2 ms |
880 KB |
Output is correct |
16 |
Correct |
2 ms |
880 KB |
Output is correct |
17 |
Correct |
2 ms |
880 KB |
Output is correct |
18 |
Correct |
3 ms |
880 KB |
Output is correct |
19 |
Correct |
2 ms |
1024 KB |
Output is correct |
20 |
Correct |
3 ms |
1024 KB |
Output is correct |
21 |
Correct |
4 ms |
1024 KB |
Output is correct |
22 |
Correct |
2 ms |
1024 KB |
Output is correct |
23 |
Correct |
2 ms |
1024 KB |
Output is correct |
24 |
Correct |
2 ms |
1024 KB |
Output is correct |
25 |
Correct |
2 ms |
1024 KB |
Output is correct |
26 |
Correct |
2 ms |
1024 KB |
Output is correct |
27 |
Correct |
5 ms |
1092 KB |
Output is correct |
28 |
Correct |
6 ms |
1268 KB |
Output is correct |
29 |
Correct |
6 ms |
1348 KB |
Output is correct |
30 |
Correct |
5 ms |
1520 KB |
Output is correct |
31 |
Correct |
6 ms |
1628 KB |
Output is correct |
32 |
Correct |
6 ms |
1732 KB |
Output is correct |
33 |
Correct |
5 ms |
1860 KB |
Output is correct |
34 |
Correct |
6 ms |
2012 KB |
Output is correct |
35 |
Correct |
7 ms |
2116 KB |
Output is correct |
36 |
Correct |
6 ms |
2276 KB |
Output is correct |
37 |
Correct |
6 ms |
2372 KB |
Output is correct |
38 |
Correct |
4 ms |
2500 KB |
Output is correct |
39 |
Correct |
4 ms |
2628 KB |
Output is correct |
40 |
Correct |
4 ms |
2756 KB |
Output is correct |
41 |
Correct |
4 ms |
2884 KB |
Output is correct |
42 |
Correct |
5 ms |
3008 KB |
Output is correct |
43 |
Correct |
5 ms |
3136 KB |
Output is correct |
44 |
Correct |
5 ms |
3264 KB |
Output is correct |
45 |
Correct |
7 ms |
3392 KB |
Output is correct |
46 |
Correct |
5 ms |
3520 KB |
Output is correct |
47 |
Correct |
7 ms |
3648 KB |
Output is correct |
48 |
Correct |
6 ms |
3776 KB |
Output is correct |
49 |
Correct |
5 ms |
3904 KB |
Output is correct |
50 |
Correct |
6 ms |
4032 KB |
Output is correct |
51 |
Correct |
4 ms |
4160 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
248 KB |
Output is correct |
2 |
Correct |
2 ms |
360 KB |
Output is correct |
3 |
Correct |
2 ms |
476 KB |
Output is correct |
4 |
Correct |
2 ms |
712 KB |
Output is correct |
5 |
Correct |
3 ms |
712 KB |
Output is correct |
6 |
Correct |
2 ms |
736 KB |
Output is correct |
7 |
Correct |
2 ms |
740 KB |
Output is correct |
8 |
Correct |
4 ms |
744 KB |
Output is correct |
9 |
Correct |
2 ms |
748 KB |
Output is correct |
10 |
Correct |
3 ms |
880 KB |
Output is correct |
11 |
Correct |
2 ms |
880 KB |
Output is correct |
12 |
Correct |
2 ms |
880 KB |
Output is correct |
13 |
Correct |
3 ms |
880 KB |
Output is correct |
14 |
Correct |
2 ms |
880 KB |
Output is correct |
15 |
Correct |
2 ms |
880 KB |
Output is correct |
16 |
Correct |
2 ms |
880 KB |
Output is correct |
17 |
Correct |
2 ms |
880 KB |
Output is correct |
18 |
Correct |
3 ms |
880 KB |
Output is correct |
19 |
Correct |
2 ms |
1024 KB |
Output is correct |
20 |
Correct |
3 ms |
1024 KB |
Output is correct |
21 |
Correct |
4 ms |
1024 KB |
Output is correct |
22 |
Correct |
2 ms |
1024 KB |
Output is correct |
23 |
Correct |
2 ms |
1024 KB |
Output is correct |
24 |
Correct |
2 ms |
1024 KB |
Output is correct |
25 |
Correct |
2 ms |
1024 KB |
Output is correct |
26 |
Correct |
2 ms |
1024 KB |
Output is correct |
27 |
Correct |
5 ms |
1092 KB |
Output is correct |
28 |
Correct |
6 ms |
1268 KB |
Output is correct |
29 |
Correct |
6 ms |
1348 KB |
Output is correct |
30 |
Correct |
5 ms |
1520 KB |
Output is correct |
31 |
Correct |
6 ms |
1628 KB |
Output is correct |
32 |
Correct |
6 ms |
1732 KB |
Output is correct |
33 |
Correct |
5 ms |
1860 KB |
Output is correct |
34 |
Correct |
6 ms |
2012 KB |
Output is correct |
35 |
Correct |
7 ms |
2116 KB |
Output is correct |
36 |
Correct |
6 ms |
2276 KB |
Output is correct |
37 |
Correct |
6 ms |
2372 KB |
Output is correct |
38 |
Correct |
4 ms |
2500 KB |
Output is correct |
39 |
Correct |
4 ms |
2628 KB |
Output is correct |
40 |
Correct |
4 ms |
2756 KB |
Output is correct |
41 |
Correct |
4 ms |
2884 KB |
Output is correct |
42 |
Correct |
5 ms |
3008 KB |
Output is correct |
43 |
Correct |
5 ms |
3136 KB |
Output is correct |
44 |
Correct |
5 ms |
3264 KB |
Output is correct |
45 |
Correct |
7 ms |
3392 KB |
Output is correct |
46 |
Correct |
5 ms |
3520 KB |
Output is correct |
47 |
Correct |
7 ms |
3648 KB |
Output is correct |
48 |
Correct |
6 ms |
3776 KB |
Output is correct |
49 |
Correct |
5 ms |
3904 KB |
Output is correct |
50 |
Correct |
6 ms |
4032 KB |
Output is correct |
51 |
Correct |
4 ms |
4160 KB |
Output is correct |
52 |
Correct |
246 ms |
24552 KB |
Output is correct |
53 |
Correct |
269 ms |
37396 KB |
Output is correct |
54 |
Correct |
242 ms |
49920 KB |
Output is correct |
55 |
Correct |
278 ms |
62560 KB |
Output is correct |
56 |
Correct |
398 ms |
75396 KB |
Output is correct |
57 |
Correct |
287 ms |
87948 KB |
Output is correct |
58 |
Correct |
293 ms |
100644 KB |
Output is correct |
59 |
Correct |
287 ms |
113236 KB |
Output is correct |
60 |
Correct |
299 ms |
125976 KB |
Output is correct |
61 |
Correct |
240 ms |
138608 KB |
Output is correct |
62 |
Correct |
243 ms |
151244 KB |
Output is correct |
63 |
Correct |
269 ms |
163856 KB |
Output is correct |
64 |
Correct |
305 ms |
176508 KB |
Output is correct |
65 |
Correct |
239 ms |
188816 KB |
Output is correct |
66 |
Correct |
249 ms |
200840 KB |
Output is correct |
67 |
Correct |
247 ms |
212756 KB |
Output is correct |
68 |
Correct |
272 ms |
224148 KB |
Output is correct |