#include <bits/stdc++.h>
#define endl '\n'
#define fr first
#define sc second
#define all(v) v.begin(),v.end()
#define unq(v) sort( all(v) ); v.erase( unique( all(v) ), v.end() )
#define bout(x) cout << bitset<sizeof(x)*8>(x) << endl
#define mkp(a,b) make_pair(a,b)
#define gcd(a,b) __gcd(a,b)
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using cpl = complex<ld>;
const ld pi = 3.14159265358979323846264338327950288;
const ld tau = 2 * pi;
const int dx[4] = {0, 1, 0, -1}, dy[4] = {-1, 0, 1, 0};
const int ddx[8] = {0, 1, 1, 1, 0, -1, -1, -1}, ddy[8] = {-1, -1, 0, 1, 1, 1, 0, -1};
const int nx[8] = {1, 2, 2, 1, -1, -2, -2, -1}, ny[8] = {-2, -1, 1, 2, 2, 1, -1, -2};
//#define DEBUG
pll arr[500020];
ll prf[500020];
ll res[500020];
ll mx[500020];
void Main(){
int n; cin >> n;
for (int i = 1; i <= n; i++){
cin >> arr[i].fr >> arr[i].sc;
}
sort(arr+1, arr+n+1, [](pll a, pll b){
return a.fr < b.fr;
});
for (int i = 1; i <= n; i++){ prf[i] = prf[i-1] + arr[i].sc; }
for (int i = 1; i <= n; i++){ res[i] = prf[i] - arr[i].fr; }
mx[n] = res[n];
for (int i = n-1; i >= 1; i--){ mx[i] = max(mx[i+1], res[i]); }
ll ans = 0;
for (int i = 1; i <= n; i++){
ans = max(ans, mx[i] - res[i] + arr[i].sc);
}
cout << ans;
}
int main(){
#ifndef DEBUG
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
#endif
cout.setf(ios::fixed);
cout.precision(0);
Main();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 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 |
448 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 |
332 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 |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 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 |
448 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 |
332 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 |
460 KB |
Output is correct |
28 |
Correct |
3 ms |
460 KB |
Output is correct |
29 |
Correct |
3 ms |
460 KB |
Output is correct |
30 |
Correct |
3 ms |
460 KB |
Output is correct |
31 |
Correct |
3 ms |
460 KB |
Output is correct |
32 |
Correct |
4 ms |
460 KB |
Output is correct |
33 |
Correct |
3 ms |
460 KB |
Output is correct |
34 |
Correct |
3 ms |
460 KB |
Output is correct |
35 |
Correct |
3 ms |
460 KB |
Output is correct |
36 |
Correct |
3 ms |
460 KB |
Output is correct |
37 |
Correct |
3 ms |
460 KB |
Output is correct |
38 |
Correct |
3 ms |
460 KB |
Output is correct |
39 |
Correct |
3 ms |
460 KB |
Output is correct |
40 |
Correct |
3 ms |
460 KB |
Output is correct |
41 |
Correct |
3 ms |
460 KB |
Output is correct |
42 |
Correct |
3 ms |
460 KB |
Output is correct |
43 |
Correct |
3 ms |
460 KB |
Output is correct |
44 |
Correct |
3 ms |
460 KB |
Output is correct |
45 |
Correct |
3 ms |
460 KB |
Output is correct |
46 |
Correct |
3 ms |
460 KB |
Output is correct |
47 |
Correct |
3 ms |
460 KB |
Output is correct |
48 |
Correct |
3 ms |
460 KB |
Output is correct |
49 |
Correct |
3 ms |
460 KB |
Output is correct |
50 |
Correct |
3 ms |
460 KB |
Output is correct |
51 |
Correct |
5 ms |
460 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 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 |
448 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 |
332 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 |
460 KB |
Output is correct |
28 |
Correct |
3 ms |
460 KB |
Output is correct |
29 |
Correct |
3 ms |
460 KB |
Output is correct |
30 |
Correct |
3 ms |
460 KB |
Output is correct |
31 |
Correct |
3 ms |
460 KB |
Output is correct |
32 |
Correct |
4 ms |
460 KB |
Output is correct |
33 |
Correct |
3 ms |
460 KB |
Output is correct |
34 |
Correct |
3 ms |
460 KB |
Output is correct |
35 |
Correct |
3 ms |
460 KB |
Output is correct |
36 |
Correct |
3 ms |
460 KB |
Output is correct |
37 |
Correct |
3 ms |
460 KB |
Output is correct |
38 |
Correct |
3 ms |
460 KB |
Output is correct |
39 |
Correct |
3 ms |
460 KB |
Output is correct |
40 |
Correct |
3 ms |
460 KB |
Output is correct |
41 |
Correct |
3 ms |
460 KB |
Output is correct |
42 |
Correct |
3 ms |
460 KB |
Output is correct |
43 |
Correct |
3 ms |
460 KB |
Output is correct |
44 |
Correct |
3 ms |
460 KB |
Output is correct |
45 |
Correct |
3 ms |
460 KB |
Output is correct |
46 |
Correct |
3 ms |
460 KB |
Output is correct |
47 |
Correct |
3 ms |
460 KB |
Output is correct |
48 |
Correct |
3 ms |
460 KB |
Output is correct |
49 |
Correct |
3 ms |
460 KB |
Output is correct |
50 |
Correct |
3 ms |
460 KB |
Output is correct |
51 |
Correct |
5 ms |
460 KB |
Output is correct |
52 |
Correct |
227 ms |
32016 KB |
Output is correct |
53 |
Correct |
224 ms |
32464 KB |
Output is correct |
54 |
Correct |
248 ms |
32476 KB |
Output is correct |
55 |
Correct |
220 ms |
32420 KB |
Output is correct |
56 |
Correct |
230 ms |
32420 KB |
Output is correct |
57 |
Correct |
253 ms |
32420 KB |
Output is correct |
58 |
Correct |
217 ms |
32456 KB |
Output is correct |
59 |
Correct |
222 ms |
32496 KB |
Output is correct |
60 |
Correct |
215 ms |
32576 KB |
Output is correct |
61 |
Correct |
214 ms |
32268 KB |
Output is correct |
62 |
Correct |
241 ms |
32544 KB |
Output is correct |
63 |
Correct |
213 ms |
32472 KB |
Output is correct |
64 |
Correct |
218 ms |
32468 KB |
Output is correct |
65 |
Correct |
215 ms |
32440 KB |
Output is correct |
66 |
Correct |
227 ms |
32476 KB |
Output is correct |
67 |
Correct |
238 ms |
32512 KB |
Output is correct |
68 |
Correct |
214 ms |
32420 KB |
Output is correct |