//Make CSP great again
//Vengeance
#include <bits/stdc++.h>
#define TASK "TESTCODE"
#define Log2(x) 31 - __builtin_clz(x)
using namespace std;
const int N = 5e5;
long long a[N + 1], f[N + 1], b[N + 1];
int n, id[N + 1];
void read()
{
cin >> n;
for (int i = 1; i <= n; ++ i)
{
cin >> a[i] >> b[i];
id[i] = i;
}
sort(id + 1, id + n + 1, [](const int &x, const int &y)
{
return a[x] < a[y];
});
}
void solve()
{
long long res = 0, t = a[id[1]];
for (int i = 1; i <= n; ++ i)
{
t = max(t, -f[i - 1] + a[id[i]]);
f[i] = f[i - 1] + b[id[i]];
res = max(res, -a[id[i]] + f[i] + t);
//cerr << f[i] << ' ';
}
cout << res;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
if (fopen(TASK".INP", "r"))
{
freopen(TASK".INP", "r", stdin);
//freopen(TASK".OUT", "w", stdout);
}
int t = 1;
bool typetest = false;
if (typetest)
{
cin >> t;
}
for (int __ = 1; __ <= t; ++ __)
{
//cout << "Case " << __ << ": ";
read();
solve();
}
}
Compilation message
art.cpp: In function 'int main()':
art.cpp:41:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
41 | freopen(TASK".INP", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
360 KB |
Output is correct |
6 |
Correct |
1 ms |
324 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
360 KB |
Output is correct |
6 |
Correct |
1 ms |
324 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
360 KB |
Output is correct |
6 |
Correct |
1 ms |
324 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
3 ms |
592 KB |
Output is correct |
28 |
Correct |
3 ms |
596 KB |
Output is correct |
29 |
Correct |
3 ms |
600 KB |
Output is correct |
30 |
Correct |
3 ms |
596 KB |
Output is correct |
31 |
Correct |
4 ms |
596 KB |
Output is correct |
32 |
Correct |
2 ms |
596 KB |
Output is correct |
33 |
Correct |
3 ms |
596 KB |
Output is correct |
34 |
Correct |
3 ms |
596 KB |
Output is correct |
35 |
Correct |
3 ms |
588 KB |
Output is correct |
36 |
Correct |
2 ms |
600 KB |
Output is correct |
37 |
Correct |
3 ms |
600 KB |
Output is correct |
38 |
Correct |
3 ms |
552 KB |
Output is correct |
39 |
Correct |
3 ms |
596 KB |
Output is correct |
40 |
Correct |
4 ms |
596 KB |
Output is correct |
41 |
Correct |
3 ms |
596 KB |
Output is correct |
42 |
Correct |
2 ms |
552 KB |
Output is correct |
43 |
Correct |
3 ms |
596 KB |
Output is correct |
44 |
Correct |
3 ms |
592 KB |
Output is correct |
45 |
Correct |
3 ms |
596 KB |
Output is correct |
46 |
Correct |
2 ms |
596 KB |
Output is correct |
47 |
Correct |
2 ms |
596 KB |
Output is correct |
48 |
Correct |
3 ms |
596 KB |
Output is correct |
49 |
Correct |
3 ms |
596 KB |
Output is correct |
50 |
Correct |
2 ms |
592 KB |
Output is correct |
51 |
Correct |
3 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
360 KB |
Output is correct |
6 |
Correct |
1 ms |
324 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
3 ms |
592 KB |
Output is correct |
28 |
Correct |
3 ms |
596 KB |
Output is correct |
29 |
Correct |
3 ms |
600 KB |
Output is correct |
30 |
Correct |
3 ms |
596 KB |
Output is correct |
31 |
Correct |
4 ms |
596 KB |
Output is correct |
32 |
Correct |
2 ms |
596 KB |
Output is correct |
33 |
Correct |
3 ms |
596 KB |
Output is correct |
34 |
Correct |
3 ms |
596 KB |
Output is correct |
35 |
Correct |
3 ms |
588 KB |
Output is correct |
36 |
Correct |
2 ms |
600 KB |
Output is correct |
37 |
Correct |
3 ms |
600 KB |
Output is correct |
38 |
Correct |
3 ms |
552 KB |
Output is correct |
39 |
Correct |
3 ms |
596 KB |
Output is correct |
40 |
Correct |
4 ms |
596 KB |
Output is correct |
41 |
Correct |
3 ms |
596 KB |
Output is correct |
42 |
Correct |
2 ms |
552 KB |
Output is correct |
43 |
Correct |
3 ms |
596 KB |
Output is correct |
44 |
Correct |
3 ms |
592 KB |
Output is correct |
45 |
Correct |
3 ms |
596 KB |
Output is correct |
46 |
Correct |
2 ms |
596 KB |
Output is correct |
47 |
Correct |
2 ms |
596 KB |
Output is correct |
48 |
Correct |
3 ms |
596 KB |
Output is correct |
49 |
Correct |
3 ms |
596 KB |
Output is correct |
50 |
Correct |
2 ms |
592 KB |
Output is correct |
51 |
Correct |
3 ms |
604 KB |
Output is correct |
52 |
Correct |
203 ms |
19840 KB |
Output is correct |
53 |
Correct |
216 ms |
19144 KB |
Output is correct |
54 |
Correct |
200 ms |
19308 KB |
Output is correct |
55 |
Correct |
201 ms |
19324 KB |
Output is correct |
56 |
Correct |
214 ms |
19260 KB |
Output is correct |
57 |
Correct |
201 ms |
19344 KB |
Output is correct |
58 |
Correct |
218 ms |
19200 KB |
Output is correct |
59 |
Correct |
210 ms |
19240 KB |
Output is correct |
60 |
Correct |
215 ms |
19800 KB |
Output is correct |
61 |
Correct |
228 ms |
19276 KB |
Output is correct |
62 |
Correct |
205 ms |
19840 KB |
Output is correct |
63 |
Correct |
201 ms |
19188 KB |
Output is correct |
64 |
Correct |
202 ms |
19916 KB |
Output is correct |
65 |
Correct |
199 ms |
19340 KB |
Output is correct |
66 |
Correct |
202 ms |
19892 KB |
Output is correct |
67 |
Correct |
201 ms |
19864 KB |
Output is correct |
68 |
Correct |
204 ms |
19276 KB |
Output is correct |