//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")
#include<bits/stdc++.h>
using namespace std;
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define sz(a) (int)a.size()
#define s second
#define f first
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<pii> rid = {{0, 1}, {0, -1}, {1, 0}, {-1, 0}};
vector<pii> dir = {{-1, -1}, {-1, 1}, {1, -1}, {1, 1}};
const int N = 1e6 + 1, mod = 1e9 + 7;
const ll inf = 1e18;
double eps = 1e-15;
bool flg = 0;
void slv() {
int n;
cin >> n;
vector<pll> s;
s.push_back({-inf, -inf});
for (int i = 1; i <= n; i++) {
ll a, b;
cin >> a >> b;
s.push_back({a, b});
}
sort(all(s));
ll p[n + 1];
p[0] = 0;
for (int i = 1; i <= n; i++)
p[i] = p[i - 1] + s[i].s;
ll mx = -inf, ans = -inf;
for (int i = 1; i <= n; i++) {
mx = max(mx, -p[i - 1] + s[i].f);
ans = max(ans, p[i] - s[i].f + mx);
}
cout << ans;
}
main() {
//freopen("rsq.in", "r", stdin);
//freopen("rsq.out", "w", stdout);
ios_base::sync_with_stdio(0);
cin.tie(0);
int tp = 1;
if (flg) cin >> tp;
while (tp--) {
//cout << "Case #" << cur++ << ": ";
slv();
}
}
//wenomechainsama
Compilation message
art.cpp:54:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
54 | main() {
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
2 ms |
604 KB |
Output is correct |
28 |
Correct |
1 ms |
604 KB |
Output is correct |
29 |
Correct |
2 ms |
604 KB |
Output is correct |
30 |
Correct |
2 ms |
668 KB |
Output is correct |
31 |
Correct |
2 ms |
600 KB |
Output is correct |
32 |
Correct |
2 ms |
604 KB |
Output is correct |
33 |
Correct |
2 ms |
860 KB |
Output is correct |
34 |
Correct |
3 ms |
616 KB |
Output is correct |
35 |
Correct |
2 ms |
612 KB |
Output is correct |
36 |
Correct |
2 ms |
616 KB |
Output is correct |
37 |
Correct |
2 ms |
616 KB |
Output is correct |
38 |
Correct |
2 ms |
628 KB |
Output is correct |
39 |
Correct |
2 ms |
604 KB |
Output is correct |
40 |
Correct |
2 ms |
604 KB |
Output is correct |
41 |
Correct |
2 ms |
604 KB |
Output is correct |
42 |
Correct |
2 ms |
604 KB |
Output is correct |
43 |
Correct |
2 ms |
604 KB |
Output is correct |
44 |
Correct |
2 ms |
604 KB |
Output is correct |
45 |
Correct |
2 ms |
604 KB |
Output is correct |
46 |
Correct |
2 ms |
604 KB |
Output is correct |
47 |
Correct |
2 ms |
604 KB |
Output is correct |
48 |
Correct |
2 ms |
604 KB |
Output is correct |
49 |
Correct |
2 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 |
344 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 |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
2 ms |
604 KB |
Output is correct |
28 |
Correct |
1 ms |
604 KB |
Output is correct |
29 |
Correct |
2 ms |
604 KB |
Output is correct |
30 |
Correct |
2 ms |
668 KB |
Output is correct |
31 |
Correct |
2 ms |
600 KB |
Output is correct |
32 |
Correct |
2 ms |
604 KB |
Output is correct |
33 |
Correct |
2 ms |
860 KB |
Output is correct |
34 |
Correct |
3 ms |
616 KB |
Output is correct |
35 |
Correct |
2 ms |
612 KB |
Output is correct |
36 |
Correct |
2 ms |
616 KB |
Output is correct |
37 |
Correct |
2 ms |
616 KB |
Output is correct |
38 |
Correct |
2 ms |
628 KB |
Output is correct |
39 |
Correct |
2 ms |
604 KB |
Output is correct |
40 |
Correct |
2 ms |
604 KB |
Output is correct |
41 |
Correct |
2 ms |
604 KB |
Output is correct |
42 |
Correct |
2 ms |
604 KB |
Output is correct |
43 |
Correct |
2 ms |
604 KB |
Output is correct |
44 |
Correct |
2 ms |
604 KB |
Output is correct |
45 |
Correct |
2 ms |
604 KB |
Output is correct |
46 |
Correct |
2 ms |
604 KB |
Output is correct |
47 |
Correct |
2 ms |
604 KB |
Output is correct |
48 |
Correct |
2 ms |
604 KB |
Output is correct |
49 |
Correct |
2 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 |
145 ms |
12144 KB |
Output is correct |
53 |
Correct |
133 ms |
12196 KB |
Output is correct |
54 |
Correct |
143 ms |
12472 KB |
Output is correct |
55 |
Correct |
133 ms |
12444 KB |
Output is correct |
56 |
Correct |
137 ms |
12256 KB |
Output is correct |
57 |
Correct |
130 ms |
12216 KB |
Output is correct |
58 |
Correct |
132 ms |
12524 KB |
Output is correct |
59 |
Correct |
132 ms |
12228 KB |
Output is correct |
60 |
Correct |
129 ms |
12220 KB |
Output is correct |
61 |
Correct |
140 ms |
12212 KB |
Output is correct |
62 |
Correct |
127 ms |
12476 KB |
Output is correct |
63 |
Correct |
130 ms |
12112 KB |
Output is correct |
64 |
Correct |
129 ms |
12216 KB |
Output is correct |
65 |
Correct |
126 ms |
12212 KB |
Output is correct |
66 |
Correct |
128 ms |
12228 KB |
Output is correct |
67 |
Correct |
127 ms |
12252 KB |
Output is correct |
68 |
Correct |
146 ms |
12212 KB |
Output is correct |