#include <bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(), x.end()
#define size(x) (int)x.size()
template<class S, class T>
bool chmin(S &a, const T &b) {
return a > b && (a = b) == b;
}
template<class S, class T>
bool chmax(S &a, const T &b) {
return a < b && (a = b) == b;
}
const int inf = 1e9 + 7;
const int INF = 1e18 + 7;
const int mod = 1e9 + 7;
signed main() {
cin.tie(nullptr)->sync_with_stdio(false);
int n; cin >> n;
int a[n], b[n];
vector<pair<int, int>> v;
for (int i = 0; i < n; ++i) {
cin >> a[i] >> b[i];
v.push_back({a[i], b[i]});
}
sort(all(v));
for (int i = 0; i < n; ++i) a[i] = v[i].first, b[i] = v[i].second;
int res = b[0], pref = b[0], min = -a[0];
for (int i = 1; i < n; ++i) {
chmin(min, pref - a[i]);
pref += b[i];
chmax(res, pref - min - a[i]);
}
cout << res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
460 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
460 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
460 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
460 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
460 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
2 ms |
856 KB |
Output is correct |
28 |
Correct |
3 ms |
860 KB |
Output is correct |
29 |
Correct |
2 ms |
1108 KB |
Output is correct |
30 |
Correct |
2 ms |
860 KB |
Output is correct |
31 |
Correct |
2 ms |
724 KB |
Output is correct |
32 |
Correct |
2 ms |
672 KB |
Output is correct |
33 |
Correct |
2 ms |
860 KB |
Output is correct |
34 |
Correct |
2 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
860 KB |
Output is correct |
36 |
Correct |
3 ms |
860 KB |
Output is correct |
37 |
Correct |
2 ms |
728 KB |
Output is correct |
38 |
Correct |
2 ms |
860 KB |
Output is correct |
39 |
Correct |
2 ms |
860 KB |
Output is correct |
40 |
Correct |
2 ms |
860 KB |
Output is correct |
41 |
Correct |
2 ms |
860 KB |
Output is correct |
42 |
Correct |
2 ms |
860 KB |
Output is correct |
43 |
Correct |
2 ms |
860 KB |
Output is correct |
44 |
Correct |
2 ms |
860 KB |
Output is correct |
45 |
Correct |
2 ms |
860 KB |
Output is correct |
46 |
Correct |
2 ms |
860 KB |
Output is correct |
47 |
Correct |
2 ms |
860 KB |
Output is correct |
48 |
Correct |
2 ms |
860 KB |
Output is correct |
49 |
Correct |
2 ms |
860 KB |
Output is correct |
50 |
Correct |
2 ms |
860 KB |
Output is correct |
51 |
Correct |
2 ms |
980 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
460 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
460 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
2 ms |
856 KB |
Output is correct |
28 |
Correct |
3 ms |
860 KB |
Output is correct |
29 |
Correct |
2 ms |
1108 KB |
Output is correct |
30 |
Correct |
2 ms |
860 KB |
Output is correct |
31 |
Correct |
2 ms |
724 KB |
Output is correct |
32 |
Correct |
2 ms |
672 KB |
Output is correct |
33 |
Correct |
2 ms |
860 KB |
Output is correct |
34 |
Correct |
2 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
860 KB |
Output is correct |
36 |
Correct |
3 ms |
860 KB |
Output is correct |
37 |
Correct |
2 ms |
728 KB |
Output is correct |
38 |
Correct |
2 ms |
860 KB |
Output is correct |
39 |
Correct |
2 ms |
860 KB |
Output is correct |
40 |
Correct |
2 ms |
860 KB |
Output is correct |
41 |
Correct |
2 ms |
860 KB |
Output is correct |
42 |
Correct |
2 ms |
860 KB |
Output is correct |
43 |
Correct |
2 ms |
860 KB |
Output is correct |
44 |
Correct |
2 ms |
860 KB |
Output is correct |
45 |
Correct |
2 ms |
860 KB |
Output is correct |
46 |
Correct |
2 ms |
860 KB |
Output is correct |
47 |
Correct |
2 ms |
860 KB |
Output is correct |
48 |
Correct |
2 ms |
860 KB |
Output is correct |
49 |
Correct |
2 ms |
860 KB |
Output is correct |
50 |
Correct |
2 ms |
860 KB |
Output is correct |
51 |
Correct |
2 ms |
980 KB |
Output is correct |
52 |
Correct |
159 ms |
28600 KB |
Output is correct |
53 |
Correct |
151 ms |
28736 KB |
Output is correct |
54 |
Correct |
142 ms |
28644 KB |
Output is correct |
55 |
Correct |
143 ms |
28760 KB |
Output is correct |
56 |
Correct |
140 ms |
28860 KB |
Output is correct |
57 |
Correct |
136 ms |
28684 KB |
Output is correct |
58 |
Correct |
149 ms |
28776 KB |
Output is correct |
59 |
Correct |
154 ms |
28912 KB |
Output is correct |
60 |
Correct |
137 ms |
28844 KB |
Output is correct |
61 |
Correct |
147 ms |
28592 KB |
Output is correct |
62 |
Correct |
138 ms |
28864 KB |
Output is correct |
63 |
Correct |
137 ms |
28768 KB |
Output is correct |
64 |
Correct |
149 ms |
28852 KB |
Output is correct |
65 |
Correct |
142 ms |
28764 KB |
Output is correct |
66 |
Correct |
135 ms |
29116 KB |
Output is correct |
67 |
Correct |
143 ms |
28852 KB |
Output is correct |
68 |
Correct |
136 ms |
28700 KB |
Output is correct |