#include <bits/stdc++.h>
using namespace std;
using ll=long long;
const int MAX=5*1e5+7;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
ll a, b, cale=0, mmin=1e16, mmax=0;
vector<pair<ll, ll>> prace;
for (int i=0; i<n; i++){
cin >> a >> b;
cale += b;
mmin = min(mmin, a);
mmax = max(mmax, a);
prace.push_back({a, b});
}
cale -= (mmax-mmin);
sort(prace.begin(), prace.end());
pair<ll, ll> pref[MAX];
pair<ll, ll> suf[MAX];
pref[0] = {0, 0};
for (int i=1; i<n; i++){
pref[i].first = pref[i-1].first - prace[i-1].second+(prace[i].first-prace[i-1].first);
pref[i].second = max(pref[i].first, pref[i-1].second);
}
suf[n] = {0, 0};
for (int i=n-2; i>0; i--){
suf[i].first = suf[i+1].first - prace[i+1].second+(prace[i+1].first-prace[i].first);
suf[i].second = max(suf[i].first, suf[i+1].second);
}
ll wyn=0;
for (int i=0; i<=n; i++){
wyn = max(wyn, pref[i].second+suf[i].second);
}
cout << cale+wyn << "\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 2 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 3 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 4 |
Correct |
17 ms |
15952 KB |
Output is correct |
| 5 |
Correct |
15 ms |
15924 KB |
Output is correct |
| 6 |
Correct |
14 ms |
15952 KB |
Output is correct |
| 7 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 8 |
Correct |
15 ms |
15968 KB |
Output is correct |
| 9 |
Correct |
16 ms |
16056 KB |
Output is correct |
| 10 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 11 |
Correct |
15 ms |
15952 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 2 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 3 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 4 |
Correct |
17 ms |
15952 KB |
Output is correct |
| 5 |
Correct |
15 ms |
15924 KB |
Output is correct |
| 6 |
Correct |
14 ms |
15952 KB |
Output is correct |
| 7 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 8 |
Correct |
15 ms |
15968 KB |
Output is correct |
| 9 |
Correct |
16 ms |
16056 KB |
Output is correct |
| 10 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 11 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 12 |
Correct |
17 ms |
15952 KB |
Output is correct |
| 13 |
Correct |
15 ms |
15884 KB |
Output is correct |
| 14 |
Correct |
18 ms |
15968 KB |
Output is correct |
| 15 |
Correct |
16 ms |
15936 KB |
Output is correct |
| 16 |
Correct |
14 ms |
15952 KB |
Output is correct |
| 17 |
Correct |
15 ms |
16004 KB |
Output is correct |
| 18 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 19 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 20 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 21 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 22 |
Correct |
14 ms |
16068 KB |
Output is correct |
| 23 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 24 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 25 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 26 |
Correct |
13 ms |
15952 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 2 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 3 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 4 |
Correct |
17 ms |
15952 KB |
Output is correct |
| 5 |
Correct |
15 ms |
15924 KB |
Output is correct |
| 6 |
Correct |
14 ms |
15952 KB |
Output is correct |
| 7 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 8 |
Correct |
15 ms |
15968 KB |
Output is correct |
| 9 |
Correct |
16 ms |
16056 KB |
Output is correct |
| 10 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 11 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 12 |
Correct |
17 ms |
15952 KB |
Output is correct |
| 13 |
Correct |
15 ms |
15884 KB |
Output is correct |
| 14 |
Correct |
18 ms |
15968 KB |
Output is correct |
| 15 |
Correct |
16 ms |
15936 KB |
Output is correct |
| 16 |
Correct |
14 ms |
15952 KB |
Output is correct |
| 17 |
Correct |
15 ms |
16004 KB |
Output is correct |
| 18 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 19 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 20 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 21 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 22 |
Correct |
14 ms |
16068 KB |
Output is correct |
| 23 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 24 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 25 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 26 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 27 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 28 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 29 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 30 |
Correct |
14 ms |
16240 KB |
Output is correct |
| 31 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 32 |
Correct |
19 ms |
16208 KB |
Output is correct |
| 33 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 34 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 35 |
Correct |
18 ms |
16304 KB |
Output is correct |
| 36 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 37 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 38 |
Correct |
14 ms |
16120 KB |
Output is correct |
| 39 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 40 |
Correct |
14 ms |
16376 KB |
Output is correct |
| 41 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 42 |
Correct |
14 ms |
16376 KB |
Output is correct |
| 43 |
Correct |
16 ms |
16220 KB |
Output is correct |
| 44 |
Correct |
17 ms |
16376 KB |
Output is correct |
| 45 |
Correct |
19 ms |
16104 KB |
Output is correct |
| 46 |
Correct |
15 ms |
16208 KB |
Output is correct |
| 47 |
Correct |
16 ms |
16208 KB |
Output is correct |
| 48 |
Correct |
16 ms |
16208 KB |
Output is correct |
| 49 |
Correct |
16 ms |
16292 KB |
Output is correct |
| 50 |
Correct |
16 ms |
16208 KB |
Output is correct |
| 51 |
Correct |
16 ms |
16208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 2 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 3 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 4 |
Correct |
17 ms |
15952 KB |
Output is correct |
| 5 |
Correct |
15 ms |
15924 KB |
Output is correct |
| 6 |
Correct |
14 ms |
15952 KB |
Output is correct |
| 7 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 8 |
Correct |
15 ms |
15968 KB |
Output is correct |
| 9 |
Correct |
16 ms |
16056 KB |
Output is correct |
| 10 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 11 |
Correct |
15 ms |
15952 KB |
Output is correct |
| 12 |
Correct |
17 ms |
15952 KB |
Output is correct |
| 13 |
Correct |
15 ms |
15884 KB |
Output is correct |
| 14 |
Correct |
18 ms |
15968 KB |
Output is correct |
| 15 |
Correct |
16 ms |
15936 KB |
Output is correct |
| 16 |
Correct |
14 ms |
15952 KB |
Output is correct |
| 17 |
Correct |
15 ms |
16004 KB |
Output is correct |
| 18 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 19 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 20 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 21 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 22 |
Correct |
14 ms |
16068 KB |
Output is correct |
| 23 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 24 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 25 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 26 |
Correct |
13 ms |
15952 KB |
Output is correct |
| 27 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 28 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 29 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 30 |
Correct |
14 ms |
16240 KB |
Output is correct |
| 31 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 32 |
Correct |
19 ms |
16208 KB |
Output is correct |
| 33 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 34 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 35 |
Correct |
18 ms |
16304 KB |
Output is correct |
| 36 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 37 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 38 |
Correct |
14 ms |
16120 KB |
Output is correct |
| 39 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 40 |
Correct |
14 ms |
16376 KB |
Output is correct |
| 41 |
Correct |
14 ms |
16208 KB |
Output is correct |
| 42 |
Correct |
14 ms |
16376 KB |
Output is correct |
| 43 |
Correct |
16 ms |
16220 KB |
Output is correct |
| 44 |
Correct |
17 ms |
16376 KB |
Output is correct |
| 45 |
Correct |
19 ms |
16104 KB |
Output is correct |
| 46 |
Correct |
15 ms |
16208 KB |
Output is correct |
| 47 |
Correct |
16 ms |
16208 KB |
Output is correct |
| 48 |
Correct |
16 ms |
16208 KB |
Output is correct |
| 49 |
Correct |
16 ms |
16292 KB |
Output is correct |
| 50 |
Correct |
16 ms |
16208 KB |
Output is correct |
| 51 |
Correct |
16 ms |
16208 KB |
Output is correct |
| 52 |
Correct |
136 ms |
26384 KB |
Output is correct |
| 53 |
Correct |
150 ms |
26312 KB |
Output is correct |
| 54 |
Correct |
143 ms |
26508 KB |
Output is correct |
| 55 |
Correct |
142 ms |
26300 KB |
Output is correct |
| 56 |
Correct |
137 ms |
26488 KB |
Output is correct |
| 57 |
Correct |
136 ms |
26300 KB |
Output is correct |
| 58 |
Correct |
141 ms |
26296 KB |
Output is correct |
| 59 |
Correct |
136 ms |
26300 KB |
Output is correct |
| 60 |
Correct |
130 ms |
26300 KB |
Output is correct |
| 61 |
Correct |
142 ms |
26296 KB |
Output is correct |
| 62 |
Correct |
146 ms |
26480 KB |
Output is correct |
| 63 |
Correct |
137 ms |
26500 KB |
Output is correct |
| 64 |
Correct |
152 ms |
26492 KB |
Output is correct |
| 65 |
Correct |
139 ms |
26300 KB |
Output is correct |
| 66 |
Correct |
141 ms |
26296 KB |
Output is correct |
| 67 |
Correct |
138 ms |
26488 KB |
Output is correct |
| 68 |
Correct |
141 ms |
26300 KB |
Output is correct |
