/*input
15
1543361732 260774320
2089759661 257198921
1555665663 389548466
4133306295 296394520
2596448427 301103944
1701413087 274491541
2347488426 912791996
2133012079 444074242
2659886224 656957044
1345396764 259870638
2671164286 233246973
2791812672 585862344
2996614635 91065315
971304780 488995617
1523452673 988137562
*/
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define int long long
#define double long double
#define f first
#define s second
#define mp make_pair
#define pb push_back
#define RE(i,n) for (int i = 1; i <= n; i++)
#define RED(i,n) for (int i = n; i > 0; i--)
#define REPS(i,n) for(int i = 1; (i*i) <= n; i++)
#define REP(i,n) for (int i = 0; i < (int)n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)
#define all(v) v.begin(),v.end()
#define pii pair<int,int>
#define vi vector<int>
#define vvi vector<vi>
#define print(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout << *it << " "; cout << endl;
#define debug(x) cout << x << endl;
#define debug2(x,y) cout << x << " " << y << endl;
#define debug3(x,y,z) cout << x << " " << y << " " << z << endl;
typedef tree<
int,
null_type,
less<int>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;
const int INF = 1e18+1;
const int MOD = 1e9+7;
const double PI = 3.14159265358979323846264338;
int raise(int a,int n,int m = MOD){
if(n == 0)return 1;
if(n == 1)return a;
int x = 1;
x *= raise(a,n/2,m);
x %= m;
x *= x;
x %= m;
if(n%2)x*= a;
x %= m;
return x;
}
int floor1(int n,int k){
if(n%k == 0 || n >= 0)return n/k;
return (n/k)-1;
}
int ceil1(int n,int k){
return floor1(n+k-1,k);
}
const int N = 5e5+1;
vector<int> indices;
int a[N];
int b[N];
int v[N];
int g[N];
int pref[N];
int n;
bool cmp(int a1,int b1){
return a[a1] < a[b1];
}
void solve(){
cin >> n;
RE(i,n){
cin >> a[i] >> v[i];
indices.pb(i);
}
sort(all(indices),cmp);
RE(i,n){
b[i] = a[indices[i-1]];
g[i] = v[indices[i-1]];
// cout << b[i] << " " << g[i] << endl;
}
pref[0] = 0;
RE(i,n){
pref[i] = pref[i-1]+g[i];
}
int ans = g[1];
int mn = b[1];
for(int i = 2;i <= n;i++){
mn = max(mn,b[i]-pref[i-1]);
ans = max(ans,mn+pref[i]-b[i]);
}
cout << ans;
}
signed main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
//freopen(".in","r",stdin);freopen(".out","w",stdout);
int t = 1;
//cin >> t;
while(t--){
solve();
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
1 ms |
376 KB |
Output is correct |
14 |
Correct |
3 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
380 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
1 ms |
376 KB |
Output is correct |
14 |
Correct |
3 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
380 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
760 KB |
Output is correct |
28 |
Correct |
5 ms |
760 KB |
Output is correct |
29 |
Correct |
5 ms |
888 KB |
Output is correct |
30 |
Correct |
5 ms |
764 KB |
Output is correct |
31 |
Correct |
5 ms |
760 KB |
Output is correct |
32 |
Correct |
5 ms |
760 KB |
Output is correct |
33 |
Correct |
5 ms |
760 KB |
Output is correct |
34 |
Correct |
5 ms |
764 KB |
Output is correct |
35 |
Correct |
6 ms |
888 KB |
Output is correct |
36 |
Correct |
5 ms |
760 KB |
Output is correct |
37 |
Correct |
5 ms |
760 KB |
Output is correct |
38 |
Correct |
5 ms |
760 KB |
Output is correct |
39 |
Correct |
5 ms |
760 KB |
Output is correct |
40 |
Correct |
5 ms |
732 KB |
Output is correct |
41 |
Correct |
5 ms |
760 KB |
Output is correct |
42 |
Correct |
5 ms |
760 KB |
Output is correct |
43 |
Correct |
5 ms |
760 KB |
Output is correct |
44 |
Correct |
7 ms |
764 KB |
Output is correct |
45 |
Correct |
5 ms |
760 KB |
Output is correct |
46 |
Correct |
5 ms |
760 KB |
Output is correct |
47 |
Correct |
5 ms |
760 KB |
Output is correct |
48 |
Correct |
5 ms |
760 KB |
Output is correct |
49 |
Correct |
5 ms |
760 KB |
Output is correct |
50 |
Correct |
5 ms |
888 KB |
Output is correct |
51 |
Correct |
5 ms |
760 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
1 ms |
376 KB |
Output is correct |
14 |
Correct |
3 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
380 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
760 KB |
Output is correct |
28 |
Correct |
5 ms |
760 KB |
Output is correct |
29 |
Correct |
5 ms |
888 KB |
Output is correct |
30 |
Correct |
5 ms |
764 KB |
Output is correct |
31 |
Correct |
5 ms |
760 KB |
Output is correct |
32 |
Correct |
5 ms |
760 KB |
Output is correct |
33 |
Correct |
5 ms |
760 KB |
Output is correct |
34 |
Correct |
5 ms |
764 KB |
Output is correct |
35 |
Correct |
6 ms |
888 KB |
Output is correct |
36 |
Correct |
5 ms |
760 KB |
Output is correct |
37 |
Correct |
5 ms |
760 KB |
Output is correct |
38 |
Correct |
5 ms |
760 KB |
Output is correct |
39 |
Correct |
5 ms |
760 KB |
Output is correct |
40 |
Correct |
5 ms |
732 KB |
Output is correct |
41 |
Correct |
5 ms |
760 KB |
Output is correct |
42 |
Correct |
5 ms |
760 KB |
Output is correct |
43 |
Correct |
5 ms |
760 KB |
Output is correct |
44 |
Correct |
7 ms |
764 KB |
Output is correct |
45 |
Correct |
5 ms |
760 KB |
Output is correct |
46 |
Correct |
5 ms |
760 KB |
Output is correct |
47 |
Correct |
5 ms |
760 KB |
Output is correct |
48 |
Correct |
5 ms |
760 KB |
Output is correct |
49 |
Correct |
5 ms |
760 KB |
Output is correct |
50 |
Correct |
5 ms |
888 KB |
Output is correct |
51 |
Correct |
5 ms |
760 KB |
Output is correct |
52 |
Correct |
325 ms |
36556 KB |
Output is correct |
53 |
Correct |
320 ms |
36652 KB |
Output is correct |
54 |
Correct |
314 ms |
36580 KB |
Output is correct |
55 |
Correct |
328 ms |
36732 KB |
Output is correct |
56 |
Correct |
311 ms |
36576 KB |
Output is correct |
57 |
Correct |
317 ms |
36568 KB |
Output is correct |
58 |
Correct |
323 ms |
36708 KB |
Output is correct |
59 |
Correct |
325 ms |
36676 KB |
Output is correct |
60 |
Correct |
329 ms |
36704 KB |
Output is correct |
61 |
Correct |
319 ms |
36584 KB |
Output is correct |
62 |
Correct |
313 ms |
36568 KB |
Output is correct |
63 |
Correct |
315 ms |
36688 KB |
Output is correct |
64 |
Correct |
315 ms |
36576 KB |
Output is correct |
65 |
Correct |
331 ms |
36576 KB |
Output is correct |
66 |
Correct |
319 ms |
36676 KB |
Output is correct |
67 |
Correct |
314 ms |
36648 KB |
Output is correct |
68 |
Correct |
316 ms |
36604 KB |
Output is correct |