#include <bits/stdc++.h>
#include <iostream>
using namespace std;
#define int int64_t
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n; cin>>n;
vector<pair<int, int>>v;
for(int i = 0; i<n; ++i){
int a, b; cin>>a>>b;
v.push_back({a, b});
}
sort(v.begin(), v.end());
vector<int>prefix(n);
prefix[0] = v[0].second;
for(int i = 1; i<n; ++i) prefix[i] = prefix[i-1] + v[i].second;
vector<int>ans(n);
for(int i = 1; i<n; ++i){
int cur = prefix[i] - (v[i].first - v[0].first);
ans[i] = cur;
}
vector<int>suffix(n);
suffix[n-1] = ans[n-1];
for(int i = n-2; i>=0; --i){
suffix[i] = max(suffix[i+1], ans[i]);
}
/*
for(auto u: suffix) cout<<u<<" ";
cout<<endl;
*/
int out = suffix[0];
for(int i = 1; i<n-1; ++i){
int diff = (v[i].first - v[0].first) - prefix[i-1];
out = max(out, suffix[i] + diff);
//if(diff > 0) ans += diff;
}
for(int i = 0; i<n; ++i) out = max(out, v[i].second);
cout<<out;
cout<<'\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
316 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
316 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
3 ms |
588 KB |
Output is correct |
28 |
Correct |
3 ms |
588 KB |
Output is correct |
29 |
Correct |
3 ms |
556 KB |
Output is correct |
30 |
Correct |
3 ms |
580 KB |
Output is correct |
31 |
Correct |
3 ms |
588 KB |
Output is correct |
32 |
Correct |
3 ms |
588 KB |
Output is correct |
33 |
Correct |
3 ms |
584 KB |
Output is correct |
34 |
Correct |
3 ms |
588 KB |
Output is correct |
35 |
Correct |
3 ms |
588 KB |
Output is correct |
36 |
Correct |
3 ms |
588 KB |
Output is correct |
37 |
Correct |
3 ms |
588 KB |
Output is correct |
38 |
Correct |
3 ms |
588 KB |
Output is correct |
39 |
Correct |
3 ms |
580 KB |
Output is correct |
40 |
Correct |
3 ms |
588 KB |
Output is correct |
41 |
Correct |
3 ms |
588 KB |
Output is correct |
42 |
Correct |
3 ms |
588 KB |
Output is correct |
43 |
Correct |
3 ms |
588 KB |
Output is correct |
44 |
Correct |
3 ms |
588 KB |
Output is correct |
45 |
Correct |
3 ms |
588 KB |
Output is correct |
46 |
Correct |
3 ms |
588 KB |
Output is correct |
47 |
Correct |
3 ms |
548 KB |
Output is correct |
48 |
Correct |
3 ms |
588 KB |
Output is correct |
49 |
Correct |
3 ms |
588 KB |
Output is correct |
50 |
Correct |
3 ms |
588 KB |
Output is correct |
51 |
Correct |
3 ms |
588 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
316 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
3 ms |
588 KB |
Output is correct |
28 |
Correct |
3 ms |
588 KB |
Output is correct |
29 |
Correct |
3 ms |
556 KB |
Output is correct |
30 |
Correct |
3 ms |
580 KB |
Output is correct |
31 |
Correct |
3 ms |
588 KB |
Output is correct |
32 |
Correct |
3 ms |
588 KB |
Output is correct |
33 |
Correct |
3 ms |
584 KB |
Output is correct |
34 |
Correct |
3 ms |
588 KB |
Output is correct |
35 |
Correct |
3 ms |
588 KB |
Output is correct |
36 |
Correct |
3 ms |
588 KB |
Output is correct |
37 |
Correct |
3 ms |
588 KB |
Output is correct |
38 |
Correct |
3 ms |
588 KB |
Output is correct |
39 |
Correct |
3 ms |
580 KB |
Output is correct |
40 |
Correct |
3 ms |
588 KB |
Output is correct |
41 |
Correct |
3 ms |
588 KB |
Output is correct |
42 |
Correct |
3 ms |
588 KB |
Output is correct |
43 |
Correct |
3 ms |
588 KB |
Output is correct |
44 |
Correct |
3 ms |
588 KB |
Output is correct |
45 |
Correct |
3 ms |
588 KB |
Output is correct |
46 |
Correct |
3 ms |
588 KB |
Output is correct |
47 |
Correct |
3 ms |
548 KB |
Output is correct |
48 |
Correct |
3 ms |
588 KB |
Output is correct |
49 |
Correct |
3 ms |
588 KB |
Output is correct |
50 |
Correct |
3 ms |
588 KB |
Output is correct |
51 |
Correct |
3 ms |
588 KB |
Output is correct |
52 |
Correct |
222 ms |
22312 KB |
Output is correct |
53 |
Correct |
226 ms |
22384 KB |
Output is correct |
54 |
Correct |
229 ms |
22392 KB |
Output is correct |
55 |
Correct |
223 ms |
22364 KB |
Output is correct |
56 |
Correct |
238 ms |
22408 KB |
Output is correct |
57 |
Correct |
225 ms |
22452 KB |
Output is correct |
58 |
Correct |
222 ms |
22436 KB |
Output is correct |
59 |
Correct |
226 ms |
22396 KB |
Output is correct |
60 |
Correct |
222 ms |
22476 KB |
Output is correct |
61 |
Correct |
228 ms |
22436 KB |
Output is correct |
62 |
Correct |
224 ms |
22384 KB |
Output is correct |
63 |
Correct |
221 ms |
22436 KB |
Output is correct |
64 |
Correct |
227 ms |
22488 KB |
Output is correct |
65 |
Correct |
220 ms |
22380 KB |
Output is correct |
66 |
Correct |
224 ms |
22400 KB |
Output is correct |
67 |
Correct |
223 ms |
22388 KB |
Output is correct |
68 |
Correct |
223 ms |
22424 KB |
Output is correct |