#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll readint(){
ll x=0,f=1; char ch=getchar();
while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
return x*f;
}
struct node{
ll x,y;
bool operator<(const node c)const{
if(x==c.x) return y<c.y;
return x<c.x;
}
}k[500005];
ll n;
ll s[500005];
int main(){
n=readint();
for(int i=1;i<=n;i++) k[i].x=readint(),k[i].y=readint();
sort(k+1,k+n+1);
for(int i=1;i<=n;i++) s[i]=s[i-1]+k[i].y;
ll ans=0,now=0;
for(int i=1;i<=n;i++){
now=max(now,k[i].x-s[i-1]);
ans=max(ans,s[i]-k[i].x+now);
}
cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
512 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
408 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
512 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
408 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
372 KB |
Output is correct |
16 |
Correct |
3 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
3 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
512 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
408 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
372 KB |
Output is correct |
16 |
Correct |
3 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
3 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
3 ms |
384 KB |
Output is correct |
27 |
Correct |
4 ms |
512 KB |
Output is correct |
28 |
Correct |
4 ms |
512 KB |
Output is correct |
29 |
Correct |
4 ms |
512 KB |
Output is correct |
30 |
Correct |
4 ms |
512 KB |
Output is correct |
31 |
Correct |
3 ms |
640 KB |
Output is correct |
32 |
Correct |
4 ms |
640 KB |
Output is correct |
33 |
Correct |
5 ms |
512 KB |
Output is correct |
34 |
Correct |
4 ms |
512 KB |
Output is correct |
35 |
Correct |
4 ms |
512 KB |
Output is correct |
36 |
Correct |
5 ms |
512 KB |
Output is correct |
37 |
Correct |
3 ms |
512 KB |
Output is correct |
38 |
Correct |
5 ms |
512 KB |
Output is correct |
39 |
Correct |
4 ms |
512 KB |
Output is correct |
40 |
Correct |
5 ms |
512 KB |
Output is correct |
41 |
Correct |
4 ms |
512 KB |
Output is correct |
42 |
Correct |
5 ms |
512 KB |
Output is correct |
43 |
Correct |
5 ms |
512 KB |
Output is correct |
44 |
Correct |
5 ms |
512 KB |
Output is correct |
45 |
Correct |
5 ms |
512 KB |
Output is correct |
46 |
Correct |
4 ms |
640 KB |
Output is correct |
47 |
Correct |
4 ms |
512 KB |
Output is correct |
48 |
Correct |
4 ms |
512 KB |
Output is correct |
49 |
Correct |
5 ms |
512 KB |
Output is correct |
50 |
Correct |
4 ms |
512 KB |
Output is correct |
51 |
Correct |
4 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
512 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
408 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
372 KB |
Output is correct |
16 |
Correct |
3 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
3 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
3 ms |
384 KB |
Output is correct |
27 |
Correct |
4 ms |
512 KB |
Output is correct |
28 |
Correct |
4 ms |
512 KB |
Output is correct |
29 |
Correct |
4 ms |
512 KB |
Output is correct |
30 |
Correct |
4 ms |
512 KB |
Output is correct |
31 |
Correct |
3 ms |
640 KB |
Output is correct |
32 |
Correct |
4 ms |
640 KB |
Output is correct |
33 |
Correct |
5 ms |
512 KB |
Output is correct |
34 |
Correct |
4 ms |
512 KB |
Output is correct |
35 |
Correct |
4 ms |
512 KB |
Output is correct |
36 |
Correct |
5 ms |
512 KB |
Output is correct |
37 |
Correct |
3 ms |
512 KB |
Output is correct |
38 |
Correct |
5 ms |
512 KB |
Output is correct |
39 |
Correct |
4 ms |
512 KB |
Output is correct |
40 |
Correct |
5 ms |
512 KB |
Output is correct |
41 |
Correct |
4 ms |
512 KB |
Output is correct |
42 |
Correct |
5 ms |
512 KB |
Output is correct |
43 |
Correct |
5 ms |
512 KB |
Output is correct |
44 |
Correct |
5 ms |
512 KB |
Output is correct |
45 |
Correct |
5 ms |
512 KB |
Output is correct |
46 |
Correct |
4 ms |
640 KB |
Output is correct |
47 |
Correct |
4 ms |
512 KB |
Output is correct |
48 |
Correct |
4 ms |
512 KB |
Output is correct |
49 |
Correct |
5 ms |
512 KB |
Output is correct |
50 |
Correct |
4 ms |
512 KB |
Output is correct |
51 |
Correct |
4 ms |
512 KB |
Output is correct |
52 |
Correct |
191 ms |
24696 KB |
Output is correct |
53 |
Correct |
172 ms |
24712 KB |
Output is correct |
54 |
Correct |
160 ms |
24808 KB |
Output is correct |
55 |
Correct |
182 ms |
24720 KB |
Output is correct |
56 |
Correct |
214 ms |
24696 KB |
Output is correct |
57 |
Correct |
177 ms |
24696 KB |
Output is correct |
58 |
Correct |
182 ms |
24824 KB |
Output is correct |
59 |
Correct |
196 ms |
24684 KB |
Output is correct |
60 |
Correct |
195 ms |
24724 KB |
Output is correct |
61 |
Correct |
176 ms |
24568 KB |
Output is correct |
62 |
Correct |
170 ms |
24736 KB |
Output is correct |
63 |
Correct |
177 ms |
24824 KB |
Output is correct |
64 |
Correct |
193 ms |
24696 KB |
Output is correct |
65 |
Correct |
181 ms |
24784 KB |
Output is correct |
66 |
Correct |
190 ms |
24668 KB |
Output is correct |
67 |
Correct |
164 ms |
24704 KB |
Output is correct |
68 |
Correct |
185 ms |
24696 KB |
Output is correct |