#include <bits/stdc++.h>
using namespace std;
#define taskname "JOI18_art"
#define forinc(i, a, b) for (int i = (a), _b = (b); i <= _b; ++i)
#define fordec(i, a, b) for (int i = (a), _b = (b); i >= _b; --i)
#define foreach(i, x) for (auto &i : x)
#define ms(x, n) memset(x, n, sizeof(x))
#define sz(x) int((x).size())
#define all(x) (x).begin(), (x).end()
#define uni(x) (x).erase(unique(all(x)), (x).end())
#define fi first
#define se second
#define pb push_back
#define pf push_front
template<typename TH>
void _dbg(const char* sdbg, TH h)
{
cerr << sdbg << " = " << h << "\n";
}
template<typename TH, typename... TA>
void _dbg(const char* sdbg, TH h, TA... t)
{
while (*sdbg != ',') cerr << *sdbg++;
cerr << " = " << h << ",";
_dbg(sdbg + 1, t...);
}
#define db(...) _dbg(#__VA_ARGS__, __VA_ARGS__)
#define chkpt cerr << "--- Checkpoint here ---\n";
const int N=5e5+5;
const int64_t LINF=1e18;
struct Data
{
int64_t a,b;
};
int n;
Data d[N];
int64_t s[N];
bool Cmp(Data x,Data y)
{
return x.a<y.a;
}
void Solve()
{
sort(d+1,d+1+n,Cmp);
forinc(i,1,n)
{
s[i]=s[i-1]+d[i].b;
}
int64_t maxVal=-LINF,ans=0;
fordec(l,n,1)
{
maxVal=max(maxVal,s[l]-d[l].a);
ans=max(ans,maxVal-s[l-1]+d[l].a);
}
cout<<ans;
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
#ifndef ONLINE_JUDGE
// freopen(taskname".INP","r",stdin);
#endif // ONLINE_JUDGE
cin>>n;
forinc(i,1,n)
{
cin>>d[i].a>>d[i].b;
}
Solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
380 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
372 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
380 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
372 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
7 ms |
504 KB |
Output is correct |
28 |
Correct |
8 ms |
632 KB |
Output is correct |
29 |
Correct |
7 ms |
632 KB |
Output is correct |
30 |
Correct |
7 ms |
632 KB |
Output is correct |
31 |
Correct |
7 ms |
528 KB |
Output is correct |
32 |
Correct |
7 ms |
632 KB |
Output is correct |
33 |
Correct |
7 ms |
632 KB |
Output is correct |
34 |
Correct |
7 ms |
632 KB |
Output is correct |
35 |
Correct |
7 ms |
632 KB |
Output is correct |
36 |
Correct |
7 ms |
632 KB |
Output is correct |
37 |
Correct |
8 ms |
632 KB |
Output is correct |
38 |
Correct |
8 ms |
632 KB |
Output is correct |
39 |
Correct |
7 ms |
636 KB |
Output is correct |
40 |
Correct |
7 ms |
632 KB |
Output is correct |
41 |
Correct |
7 ms |
632 KB |
Output is correct |
42 |
Correct |
8 ms |
632 KB |
Output is correct |
43 |
Correct |
7 ms |
632 KB |
Output is correct |
44 |
Correct |
8 ms |
632 KB |
Output is correct |
45 |
Correct |
7 ms |
632 KB |
Output is correct |
46 |
Correct |
7 ms |
632 KB |
Output is correct |
47 |
Correct |
7 ms |
632 KB |
Output is correct |
48 |
Correct |
7 ms |
632 KB |
Output is correct |
49 |
Correct |
7 ms |
632 KB |
Output is correct |
50 |
Correct |
8 ms |
632 KB |
Output is correct |
51 |
Correct |
8 ms |
632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
380 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
372 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
7 ms |
504 KB |
Output is correct |
28 |
Correct |
8 ms |
632 KB |
Output is correct |
29 |
Correct |
7 ms |
632 KB |
Output is correct |
30 |
Correct |
7 ms |
632 KB |
Output is correct |
31 |
Correct |
7 ms |
528 KB |
Output is correct |
32 |
Correct |
7 ms |
632 KB |
Output is correct |
33 |
Correct |
7 ms |
632 KB |
Output is correct |
34 |
Correct |
7 ms |
632 KB |
Output is correct |
35 |
Correct |
7 ms |
632 KB |
Output is correct |
36 |
Correct |
7 ms |
632 KB |
Output is correct |
37 |
Correct |
8 ms |
632 KB |
Output is correct |
38 |
Correct |
8 ms |
632 KB |
Output is correct |
39 |
Correct |
7 ms |
636 KB |
Output is correct |
40 |
Correct |
7 ms |
632 KB |
Output is correct |
41 |
Correct |
7 ms |
632 KB |
Output is correct |
42 |
Correct |
8 ms |
632 KB |
Output is correct |
43 |
Correct |
7 ms |
632 KB |
Output is correct |
44 |
Correct |
8 ms |
632 KB |
Output is correct |
45 |
Correct |
7 ms |
632 KB |
Output is correct |
46 |
Correct |
7 ms |
632 KB |
Output is correct |
47 |
Correct |
7 ms |
632 KB |
Output is correct |
48 |
Correct |
7 ms |
632 KB |
Output is correct |
49 |
Correct |
7 ms |
632 KB |
Output is correct |
50 |
Correct |
8 ms |
632 KB |
Output is correct |
51 |
Correct |
8 ms |
632 KB |
Output is correct |
52 |
Correct |
263 ms |
24700 KB |
Output is correct |
53 |
Correct |
258 ms |
24696 KB |
Output is correct |
54 |
Correct |
259 ms |
24696 KB |
Output is correct |
55 |
Correct |
269 ms |
24700 KB |
Output is correct |
56 |
Correct |
249 ms |
24696 KB |
Output is correct |
57 |
Correct |
251 ms |
24824 KB |
Output is correct |
58 |
Correct |
262 ms |
24696 KB |
Output is correct |
59 |
Correct |
258 ms |
24696 KB |
Output is correct |
60 |
Correct |
263 ms |
24696 KB |
Output is correct |
61 |
Correct |
257 ms |
24644 KB |
Output is correct |
62 |
Correct |
250 ms |
24696 KB |
Output is correct |
63 |
Correct |
263 ms |
24824 KB |
Output is correct |
64 |
Correct |
253 ms |
24696 KB |
Output is correct |
65 |
Correct |
281 ms |
24824 KB |
Output is correct |
66 |
Correct |
265 ms |
24824 KB |
Output is correct |
67 |
Correct |
256 ms |
24824 KB |
Output is correct |
68 |
Correct |
280 ms |
24680 KB |
Output is correct |