#include <bits/stdc++.h>
using namespace std;
//#define USACO
#define fi first
#define se second
#define TIME (1.0 * clock() / CLOCKS_PER_SEC)
#define ALL(v) (v).begin(), (v).end()
#define BIT(x) (1LL << (x))
#define MASK(x, i) (((x) >> (i)) & 1)
#define FOR(i, a, b) for(int i = (a), _b = (b); i <= _b; ++ i)
#define FORD(i, b, a) for(int i = (b), _a = (a); i >= _a; -- i)
const string NAME = "BAITAP";
const string name = "";
const long long INF = 1e18;
const int inf = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
const int mod = 998244353;
const int mxN = 5e5 + 5;
int N;
vector<pair<long long, long long>> A(mxN);
void init(void){
cin >> N;
FOR(i, 1, N) cin >> A[i].fi >> A[i].se;
}
struct cmp{
bool operator() (const pair<long long, long long> &a, const pair<long long, long long> &b){
return (a.fi != b.fi ? a.fi < b.fi : a.se > b.se);
}
};
void process(void){
long long ans = -INF;
long long mx = -INF;
sort(A.begin() + 1, A.begin() + 1 + N, cmp());
FOR(i, 1, N) cerr << i << ' ' << A[i].fi << ' ' << A[i].se << '\n';
FOR(i, 1, N){
A[i].se += A[i - 1].se;
mx = max(A[i].fi - A[i - 1].se, mx);
ans = max(A[i].se - A[i].fi + mx, ans);
cerr << i << ' ' << A[i].fi << ' ' << A[i].se << ' ' << mx << ' ' << ans << '\n';
}
cout << ans;
}
signed main(void){
ios::sync_with_stdio(false);
cin.tie(nullptr);
#ifdef LOCAL
freopen((NAME + ".INP").c_str(), "r", stdin);
freopen((NAME + ".OUT").c_str(), "w", stdout);
#elif defined(USACO)
freopen((name + ".in").c_str(), "r", stdin);
freopen((name + ".out").c_str(), "w", stdout);
#endif // I/O
init();
process();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
8280 KB |
Output is correct |
2 |
Correct |
3 ms |
8280 KB |
Output is correct |
3 |
Correct |
4 ms |
8264 KB |
Output is correct |
4 |
Correct |
4 ms |
8284 KB |
Output is correct |
5 |
Correct |
4 ms |
8284 KB |
Output is correct |
6 |
Correct |
3 ms |
8284 KB |
Output is correct |
7 |
Correct |
3 ms |
8284 KB |
Output is correct |
8 |
Correct |
3 ms |
8284 KB |
Output is correct |
9 |
Correct |
6 ms |
8284 KB |
Output is correct |
10 |
Correct |
4 ms |
8284 KB |
Output is correct |
11 |
Correct |
3 ms |
8284 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
8280 KB |
Output is correct |
2 |
Correct |
3 ms |
8280 KB |
Output is correct |
3 |
Correct |
4 ms |
8264 KB |
Output is correct |
4 |
Correct |
4 ms |
8284 KB |
Output is correct |
5 |
Correct |
4 ms |
8284 KB |
Output is correct |
6 |
Correct |
3 ms |
8284 KB |
Output is correct |
7 |
Correct |
3 ms |
8284 KB |
Output is correct |
8 |
Correct |
3 ms |
8284 KB |
Output is correct |
9 |
Correct |
6 ms |
8284 KB |
Output is correct |
10 |
Correct |
4 ms |
8284 KB |
Output is correct |
11 |
Correct |
3 ms |
8284 KB |
Output is correct |
12 |
Correct |
8 ms |
8280 KB |
Output is correct |
13 |
Correct |
8 ms |
8328 KB |
Output is correct |
14 |
Correct |
8 ms |
8284 KB |
Output is correct |
15 |
Correct |
8 ms |
8300 KB |
Output is correct |
16 |
Correct |
8 ms |
8284 KB |
Output is correct |
17 |
Correct |
8 ms |
8312 KB |
Output is correct |
18 |
Correct |
8 ms |
8284 KB |
Output is correct |
19 |
Correct |
8 ms |
8140 KB |
Output is correct |
20 |
Correct |
8 ms |
8280 KB |
Output is correct |
21 |
Correct |
10 ms |
8284 KB |
Output is correct |
22 |
Correct |
8 ms |
8284 KB |
Output is correct |
23 |
Correct |
8 ms |
8280 KB |
Output is correct |
24 |
Correct |
8 ms |
8284 KB |
Output is correct |
25 |
Correct |
8 ms |
8280 KB |
Output is correct |
26 |
Correct |
9 ms |
8316 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
8280 KB |
Output is correct |
2 |
Correct |
3 ms |
8280 KB |
Output is correct |
3 |
Correct |
4 ms |
8264 KB |
Output is correct |
4 |
Correct |
4 ms |
8284 KB |
Output is correct |
5 |
Correct |
4 ms |
8284 KB |
Output is correct |
6 |
Correct |
3 ms |
8284 KB |
Output is correct |
7 |
Correct |
3 ms |
8284 KB |
Output is correct |
8 |
Correct |
3 ms |
8284 KB |
Output is correct |
9 |
Correct |
6 ms |
8284 KB |
Output is correct |
10 |
Correct |
4 ms |
8284 KB |
Output is correct |
11 |
Correct |
3 ms |
8284 KB |
Output is correct |
12 |
Correct |
8 ms |
8280 KB |
Output is correct |
13 |
Correct |
8 ms |
8328 KB |
Output is correct |
14 |
Correct |
8 ms |
8284 KB |
Output is correct |
15 |
Correct |
8 ms |
8300 KB |
Output is correct |
16 |
Correct |
8 ms |
8284 KB |
Output is correct |
17 |
Correct |
8 ms |
8312 KB |
Output is correct |
18 |
Correct |
8 ms |
8284 KB |
Output is correct |
19 |
Correct |
8 ms |
8140 KB |
Output is correct |
20 |
Correct |
8 ms |
8280 KB |
Output is correct |
21 |
Correct |
10 ms |
8284 KB |
Output is correct |
22 |
Correct |
8 ms |
8284 KB |
Output is correct |
23 |
Correct |
8 ms |
8280 KB |
Output is correct |
24 |
Correct |
8 ms |
8284 KB |
Output is correct |
25 |
Correct |
8 ms |
8280 KB |
Output is correct |
26 |
Correct |
9 ms |
8316 KB |
Output is correct |
27 |
Correct |
85 ms |
8688 KB |
Output is correct |
28 |
Correct |
86 ms |
8788 KB |
Output is correct |
29 |
Correct |
90 ms |
8788 KB |
Output is correct |
30 |
Correct |
84 ms |
8728 KB |
Output is correct |
31 |
Correct |
83 ms |
8788 KB |
Output is correct |
32 |
Correct |
92 ms |
8784 KB |
Output is correct |
33 |
Correct |
84 ms |
8788 KB |
Output is correct |
34 |
Correct |
94 ms |
8788 KB |
Output is correct |
35 |
Correct |
91 ms |
8788 KB |
Output is correct |
36 |
Correct |
85 ms |
8740 KB |
Output is correct |
37 |
Correct |
84 ms |
8784 KB |
Output is correct |
38 |
Correct |
83 ms |
8784 KB |
Output is correct |
39 |
Correct |
84 ms |
8788 KB |
Output is correct |
40 |
Correct |
84 ms |
8848 KB |
Output is correct |
41 |
Correct |
84 ms |
8784 KB |
Output is correct |
42 |
Correct |
85 ms |
8788 KB |
Output is correct |
43 |
Correct |
83 ms |
8708 KB |
Output is correct |
44 |
Correct |
84 ms |
8784 KB |
Output is correct |
45 |
Correct |
83 ms |
8756 KB |
Output is correct |
46 |
Correct |
86 ms |
8668 KB |
Output is correct |
47 |
Correct |
83 ms |
8784 KB |
Output is correct |
48 |
Correct |
85 ms |
8784 KB |
Output is correct |
49 |
Correct |
85 ms |
8788 KB |
Output is correct |
50 |
Correct |
84 ms |
8672 KB |
Output is correct |
51 |
Correct |
84 ms |
8784 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
8280 KB |
Output is correct |
2 |
Correct |
3 ms |
8280 KB |
Output is correct |
3 |
Correct |
4 ms |
8264 KB |
Output is correct |
4 |
Correct |
4 ms |
8284 KB |
Output is correct |
5 |
Correct |
4 ms |
8284 KB |
Output is correct |
6 |
Correct |
3 ms |
8284 KB |
Output is correct |
7 |
Correct |
3 ms |
8284 KB |
Output is correct |
8 |
Correct |
3 ms |
8284 KB |
Output is correct |
9 |
Correct |
6 ms |
8284 KB |
Output is correct |
10 |
Correct |
4 ms |
8284 KB |
Output is correct |
11 |
Correct |
3 ms |
8284 KB |
Output is correct |
12 |
Correct |
8 ms |
8280 KB |
Output is correct |
13 |
Correct |
8 ms |
8328 KB |
Output is correct |
14 |
Correct |
8 ms |
8284 KB |
Output is correct |
15 |
Correct |
8 ms |
8300 KB |
Output is correct |
16 |
Correct |
8 ms |
8284 KB |
Output is correct |
17 |
Correct |
8 ms |
8312 KB |
Output is correct |
18 |
Correct |
8 ms |
8284 KB |
Output is correct |
19 |
Correct |
8 ms |
8140 KB |
Output is correct |
20 |
Correct |
8 ms |
8280 KB |
Output is correct |
21 |
Correct |
10 ms |
8284 KB |
Output is correct |
22 |
Correct |
8 ms |
8284 KB |
Output is correct |
23 |
Correct |
8 ms |
8280 KB |
Output is correct |
24 |
Correct |
8 ms |
8284 KB |
Output is correct |
25 |
Correct |
8 ms |
8280 KB |
Output is correct |
26 |
Correct |
9 ms |
8316 KB |
Output is correct |
27 |
Correct |
85 ms |
8688 KB |
Output is correct |
28 |
Correct |
86 ms |
8788 KB |
Output is correct |
29 |
Correct |
90 ms |
8788 KB |
Output is correct |
30 |
Correct |
84 ms |
8728 KB |
Output is correct |
31 |
Correct |
83 ms |
8788 KB |
Output is correct |
32 |
Correct |
92 ms |
8784 KB |
Output is correct |
33 |
Correct |
84 ms |
8788 KB |
Output is correct |
34 |
Correct |
94 ms |
8788 KB |
Output is correct |
35 |
Correct |
91 ms |
8788 KB |
Output is correct |
36 |
Correct |
85 ms |
8740 KB |
Output is correct |
37 |
Correct |
84 ms |
8784 KB |
Output is correct |
38 |
Correct |
83 ms |
8784 KB |
Output is correct |
39 |
Correct |
84 ms |
8788 KB |
Output is correct |
40 |
Correct |
84 ms |
8848 KB |
Output is correct |
41 |
Correct |
84 ms |
8784 KB |
Output is correct |
42 |
Correct |
85 ms |
8788 KB |
Output is correct |
43 |
Correct |
83 ms |
8708 KB |
Output is correct |
44 |
Correct |
84 ms |
8784 KB |
Output is correct |
45 |
Correct |
83 ms |
8756 KB |
Output is correct |
46 |
Correct |
86 ms |
8668 KB |
Output is correct |
47 |
Correct |
83 ms |
8784 KB |
Output is correct |
48 |
Correct |
85 ms |
8784 KB |
Output is correct |
49 |
Correct |
85 ms |
8788 KB |
Output is correct |
50 |
Correct |
84 ms |
8672 KB |
Output is correct |
51 |
Correct |
84 ms |
8784 KB |
Output is correct |
52 |
Execution timed out |
1041 ms |
25416 KB |
Time limit exceeded |
53 |
Halted |
0 ms |
0 KB |
- |