#include <bits/stdc++.h>
typedef long long ll;
#define fr(i,c,d) for(ll i=c;i<=d;i++)
#define MOD 1000000007
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
//int h[200001],p[200001];
//int sum[100001];
//pair<ll,ll>p[100001];
//pair<ll,ll>p1[100001];
//string s;
string str(string x,int l,int r){
string h;
for(int i=l;i<=r;i++){
h+=x[i];
}
return h;
}
ll res[500001],ans[500001];
pair<ll,ll>p[500001];
int main(){
//int color[200001];
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
ll n;
cin >> n;
for(int i=1;i<=n;i++){
ll a,b;
cin >> a >> b;
p[i]=mp(a,b);
}
sort(p+1,p+n+1);
res[n]=0,ans[1]=0;
for(int i=n-1;i>=1;i--){
res[i]=max((ll)0,res[i+1])+p[i+1].ss-(p[i+1].ff-p[i].ff);
}
for(int i=2;i<=n;i++){
ans[i]=max((ll)0,ans[i-1])+p[i-1].ss-(p[i].ff-p[i-1].ff);
}
ll hariu=-1e9;
for(int i=1;i<=n;i++){
ll k=p[i].ss;
k+=max((ll)0,res[i]);
k+=max((ll)0,ans[i]);
hariu=max(hariu,k);
}
cout << hariu;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
3 ms |
640 KB |
Output is correct |
28 |
Correct |
3 ms |
640 KB |
Output is correct |
29 |
Correct |
3 ms |
640 KB |
Output is correct |
30 |
Correct |
3 ms |
640 KB |
Output is correct |
31 |
Correct |
3 ms |
640 KB |
Output is correct |
32 |
Correct |
3 ms |
640 KB |
Output is correct |
33 |
Correct |
3 ms |
640 KB |
Output is correct |
34 |
Correct |
3 ms |
640 KB |
Output is correct |
35 |
Correct |
3 ms |
640 KB |
Output is correct |
36 |
Correct |
3 ms |
640 KB |
Output is correct |
37 |
Correct |
3 ms |
640 KB |
Output is correct |
38 |
Correct |
3 ms |
640 KB |
Output is correct |
39 |
Correct |
3 ms |
640 KB |
Output is correct |
40 |
Correct |
3 ms |
664 KB |
Output is correct |
41 |
Correct |
3 ms |
640 KB |
Output is correct |
42 |
Correct |
3 ms |
640 KB |
Output is correct |
43 |
Correct |
3 ms |
640 KB |
Output is correct |
44 |
Correct |
4 ms |
640 KB |
Output is correct |
45 |
Correct |
3 ms |
768 KB |
Output is correct |
46 |
Correct |
3 ms |
640 KB |
Output is correct |
47 |
Correct |
3 ms |
640 KB |
Output is correct |
48 |
Correct |
3 ms |
640 KB |
Output is correct |
49 |
Correct |
3 ms |
640 KB |
Output is correct |
50 |
Correct |
4 ms |
640 KB |
Output is correct |
51 |
Correct |
3 ms |
640 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
3 ms |
640 KB |
Output is correct |
28 |
Correct |
3 ms |
640 KB |
Output is correct |
29 |
Correct |
3 ms |
640 KB |
Output is correct |
30 |
Correct |
3 ms |
640 KB |
Output is correct |
31 |
Correct |
3 ms |
640 KB |
Output is correct |
32 |
Correct |
3 ms |
640 KB |
Output is correct |
33 |
Correct |
3 ms |
640 KB |
Output is correct |
34 |
Correct |
3 ms |
640 KB |
Output is correct |
35 |
Correct |
3 ms |
640 KB |
Output is correct |
36 |
Correct |
3 ms |
640 KB |
Output is correct |
37 |
Correct |
3 ms |
640 KB |
Output is correct |
38 |
Correct |
3 ms |
640 KB |
Output is correct |
39 |
Correct |
3 ms |
640 KB |
Output is correct |
40 |
Correct |
3 ms |
664 KB |
Output is correct |
41 |
Correct |
3 ms |
640 KB |
Output is correct |
42 |
Correct |
3 ms |
640 KB |
Output is correct |
43 |
Correct |
3 ms |
640 KB |
Output is correct |
44 |
Correct |
4 ms |
640 KB |
Output is correct |
45 |
Correct |
3 ms |
768 KB |
Output is correct |
46 |
Correct |
3 ms |
640 KB |
Output is correct |
47 |
Correct |
3 ms |
640 KB |
Output is correct |
48 |
Correct |
3 ms |
640 KB |
Output is correct |
49 |
Correct |
3 ms |
640 KB |
Output is correct |
50 |
Correct |
4 ms |
640 KB |
Output is correct |
51 |
Correct |
3 ms |
640 KB |
Output is correct |
52 |
Correct |
240 ms |
28624 KB |
Output is correct |
53 |
Correct |
241 ms |
28796 KB |
Output is correct |
54 |
Correct |
243 ms |
28672 KB |
Output is correct |
55 |
Correct |
242 ms |
28664 KB |
Output is correct |
56 |
Correct |
243 ms |
28664 KB |
Output is correct |
57 |
Correct |
240 ms |
28664 KB |
Output is correct |
58 |
Correct |
240 ms |
28664 KB |
Output is correct |
59 |
Correct |
245 ms |
28664 KB |
Output is correct |
60 |
Correct |
238 ms |
28664 KB |
Output is correct |
61 |
Correct |
296 ms |
28664 KB |
Output is correct |
62 |
Correct |
237 ms |
28664 KB |
Output is correct |
63 |
Correct |
237 ms |
28792 KB |
Output is correct |
64 |
Correct |
240 ms |
28792 KB |
Output is correct |
65 |
Correct |
263 ms |
28664 KB |
Output is correct |
66 |
Correct |
276 ms |
28664 KB |
Output is correct |
67 |
Correct |
274 ms |
28668 KB |
Output is correct |
68 |
Correct |
240 ms |
28664 KB |
Output is correct |