// https://oj.uz/problem/view/JOI18_stove
// OI\JOI18\JOI18-art.pdf
#include <bits/stdc++.h>
using namespace std;
// Macros
#define pb push_back
#define pf push_front
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
// #define rep(i, x, n) for(int i = x; i < n; ++i)
// #define rrep(i, x, n) for(int i = x; i >= n; --i)
// Read and Print
#define read(a, n) for(ll i = 0; i < n; ++i) cin >> a[i];
#define print(a, n) for(ll i = 0; i < n; ++i){ cout << a[i] << " ";} cout << "\n";
#define endl "\n"
#define sp " "
// Typedefs
typedef long long ll;
typedef long double ld;
typedef pair <ll, ll> pii;
typedef vector <ll> vi;
typedef vector <vector <ll>> vvi;
using vec = vector<int>;
// Constants
const ll mxn = 1e6 + 5;
const ll mod = 1e9 + 7;
// Solve
void solve() {
int n; cin>>n;
vector<pii> a(n+1);
for(int i = 0; i<n; i++){
cin>>a[i].ff>>a[i].ss;
}
sort(all(a));
ll ans = 0;
vi sum(n+1, 0), mx(n+1, 0);
// sum[0]=0;
// mx[0]=0;
for(int i = 1; i<=n; i++){
sum[i]=sum[i-1]+a[i].ss;
mx[i]=max(mx[i-1], a[i].ff-sum[i-1]);
ans = max(ans, sum[i]-a[i].ff+mx[i]);
}
cout<<ans<<endl;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
352 KB |
Output is correct |
2 |
Correct |
0 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 |
0 ms |
352 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
352 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
352 KB |
Output is correct |
2 |
Correct |
0 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 |
0 ms |
352 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
352 KB |
Output is correct |
12 |
Correct |
1 ms |
352 KB |
Output is correct |
13 |
Correct |
0 ms |
352 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
352 KB |
Output is correct |
19 |
Correct |
0 ms |
352 KB |
Output is correct |
20 |
Correct |
0 ms |
352 KB |
Output is correct |
21 |
Correct |
0 ms |
460 KB |
Output is correct |
22 |
Correct |
1 ms |
352 KB |
Output is correct |
23 |
Correct |
1 ms |
352 KB |
Output is correct |
24 |
Correct |
0 ms |
356 KB |
Output is correct |
25 |
Correct |
0 ms |
352 KB |
Output is correct |
26 |
Correct |
0 ms |
608 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
352 KB |
Output is correct |
2 |
Correct |
0 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 |
0 ms |
352 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
352 KB |
Output is correct |
12 |
Correct |
1 ms |
352 KB |
Output is correct |
13 |
Correct |
0 ms |
352 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
352 KB |
Output is correct |
19 |
Correct |
0 ms |
352 KB |
Output is correct |
20 |
Correct |
0 ms |
352 KB |
Output is correct |
21 |
Correct |
0 ms |
460 KB |
Output is correct |
22 |
Correct |
1 ms |
352 KB |
Output is correct |
23 |
Correct |
1 ms |
352 KB |
Output is correct |
24 |
Correct |
0 ms |
356 KB |
Output is correct |
25 |
Correct |
0 ms |
352 KB |
Output is correct |
26 |
Correct |
0 ms |
608 KB |
Output is correct |
27 |
Correct |
2 ms |
856 KB |
Output is correct |
28 |
Correct |
2 ms |
616 KB |
Output is correct |
29 |
Correct |
2 ms |
736 KB |
Output is correct |
30 |
Correct |
1 ms |
612 KB |
Output is correct |
31 |
Correct |
1 ms |
736 KB |
Output is correct |
32 |
Correct |
1 ms |
604 KB |
Output is correct |
33 |
Correct |
1 ms |
656 KB |
Output is correct |
34 |
Correct |
2 ms |
616 KB |
Output is correct |
35 |
Correct |
2 ms |
612 KB |
Output is correct |
36 |
Correct |
1 ms |
600 KB |
Output is correct |
37 |
Correct |
1 ms |
604 KB |
Output is correct |
38 |
Correct |
2 ms |
604 KB |
Output is correct |
39 |
Correct |
1 ms |
608 KB |
Output is correct |
40 |
Correct |
1 ms |
608 KB |
Output is correct |
41 |
Correct |
1 ms |
604 KB |
Output is correct |
42 |
Correct |
2 ms |
724 KB |
Output is correct |
43 |
Correct |
1 ms |
604 KB |
Output is correct |
44 |
Correct |
1 ms |
604 KB |
Output is correct |
45 |
Correct |
1 ms |
720 KB |
Output is correct |
46 |
Correct |
1 ms |
604 KB |
Output is correct |
47 |
Correct |
1 ms |
600 KB |
Output is correct |
48 |
Correct |
1 ms |
604 KB |
Output is correct |
49 |
Correct |
1 ms |
604 KB |
Output is correct |
50 |
Correct |
2 ms |
604 KB |
Output is correct |
51 |
Correct |
2 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
352 KB |
Output is correct |
2 |
Correct |
0 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 |
0 ms |
352 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
352 KB |
Output is correct |
12 |
Correct |
1 ms |
352 KB |
Output is correct |
13 |
Correct |
0 ms |
352 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
352 KB |
Output is correct |
19 |
Correct |
0 ms |
352 KB |
Output is correct |
20 |
Correct |
0 ms |
352 KB |
Output is correct |
21 |
Correct |
0 ms |
460 KB |
Output is correct |
22 |
Correct |
1 ms |
352 KB |
Output is correct |
23 |
Correct |
1 ms |
352 KB |
Output is correct |
24 |
Correct |
0 ms |
356 KB |
Output is correct |
25 |
Correct |
0 ms |
352 KB |
Output is correct |
26 |
Correct |
0 ms |
608 KB |
Output is correct |
27 |
Correct |
2 ms |
856 KB |
Output is correct |
28 |
Correct |
2 ms |
616 KB |
Output is correct |
29 |
Correct |
2 ms |
736 KB |
Output is correct |
30 |
Correct |
1 ms |
612 KB |
Output is correct |
31 |
Correct |
1 ms |
736 KB |
Output is correct |
32 |
Correct |
1 ms |
604 KB |
Output is correct |
33 |
Correct |
1 ms |
656 KB |
Output is correct |
34 |
Correct |
2 ms |
616 KB |
Output is correct |
35 |
Correct |
2 ms |
612 KB |
Output is correct |
36 |
Correct |
1 ms |
600 KB |
Output is correct |
37 |
Correct |
1 ms |
604 KB |
Output is correct |
38 |
Correct |
2 ms |
604 KB |
Output is correct |
39 |
Correct |
1 ms |
608 KB |
Output is correct |
40 |
Correct |
1 ms |
608 KB |
Output is correct |
41 |
Correct |
1 ms |
604 KB |
Output is correct |
42 |
Correct |
2 ms |
724 KB |
Output is correct |
43 |
Correct |
1 ms |
604 KB |
Output is correct |
44 |
Correct |
1 ms |
604 KB |
Output is correct |
45 |
Correct |
1 ms |
720 KB |
Output is correct |
46 |
Correct |
1 ms |
604 KB |
Output is correct |
47 |
Correct |
1 ms |
600 KB |
Output is correct |
48 |
Correct |
1 ms |
604 KB |
Output is correct |
49 |
Correct |
1 ms |
604 KB |
Output is correct |
50 |
Correct |
2 ms |
604 KB |
Output is correct |
51 |
Correct |
2 ms |
604 KB |
Output is correct |
52 |
Correct |
130 ms |
28632 KB |
Output is correct |
53 |
Correct |
130 ms |
28756 KB |
Output is correct |
54 |
Correct |
132 ms |
28644 KB |
Output is correct |
55 |
Correct |
130 ms |
28752 KB |
Output is correct |
56 |
Correct |
124 ms |
28752 KB |
Output is correct |
57 |
Correct |
125 ms |
28632 KB |
Output is correct |
58 |
Correct |
125 ms |
28756 KB |
Output is correct |
59 |
Correct |
124 ms |
28752 KB |
Output is correct |
60 |
Correct |
124 ms |
28752 KB |
Output is correct |
61 |
Correct |
119 ms |
28500 KB |
Output is correct |
62 |
Correct |
122 ms |
28756 KB |
Output is correct |
63 |
Correct |
124 ms |
28752 KB |
Output is correct |
64 |
Correct |
120 ms |
28748 KB |
Output is correct |
65 |
Correct |
123 ms |
28756 KB |
Output is correct |
66 |
Correct |
128 ms |
28628 KB |
Output is correct |
67 |
Correct |
122 ms |
28752 KB |
Output is correct |
68 |
Correct |
122 ms |
28752 KB |
Output is correct |