#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pll pair<ll, ll>
#define pb push_back
#define pii pair<ll ,pll>
#define task "C"
using namespace std;
const int N = 5e5+5;
const int mod = 1e9+7;
ll n, t, m, k, a[N], b[N], ans, tong, u, v;
string s;
bool ok;
pll p[N];
struct dang
{
ll x, y, id;
dang(){}
dang(ll x, ll y, ll id): x(x), y(y), id(id){}
};
bool cmp(const dang& u, const dang& v)
{
return ((u.x < v.x) || (u.x == v.x && u.y < v.y));
}
void sol()
{
cin >> n;
for(int i = 1; i <= n; i ++)
{
cin >> p[i].fi >> p[i].se;
}
sort(p+1, p+1+n);
ans = p[1].se;
a[1] = p[1].se;
k = -p[1].fi;
for(int i = 2; i <= n; i ++)
{
a[i] = a[i-1] + p[i].se;
ans = max(p[i].se, max(ans, a[i] - p[i].fi - k));
//cout << a[i] - p[i].fi <<" "<<k<<'\n';
k = min(k, a[i-1] - p[i].fi);
}
cout << ans;
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
if(fopen(task".inp", "r"))
{
freopen(task".inp", "r", stdin);
freopen(task".out", "w", stdout);
}
int ntest = 1;
//cin >> ntest;
while(ntest -- > 0)
sol();
}
Compilation message
art.cpp: In function 'int main()':
art.cpp:57:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
57 | freopen(task".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:58:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
58 | freopen(task".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
1 ms |
412 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
1 ms |
412 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
1 ms |
412 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
3 ms |
620 KB |
Output is correct |
28 |
Correct |
3 ms |
620 KB |
Output is correct |
29 |
Correct |
3 ms |
620 KB |
Output is correct |
30 |
Correct |
3 ms |
620 KB |
Output is correct |
31 |
Correct |
3 ms |
620 KB |
Output is correct |
32 |
Correct |
3 ms |
620 KB |
Output is correct |
33 |
Correct |
3 ms |
620 KB |
Output is correct |
34 |
Correct |
3 ms |
620 KB |
Output is correct |
35 |
Correct |
3 ms |
620 KB |
Output is correct |
36 |
Correct |
3 ms |
620 KB |
Output is correct |
37 |
Correct |
3 ms |
620 KB |
Output is correct |
38 |
Correct |
2 ms |
620 KB |
Output is correct |
39 |
Correct |
3 ms |
620 KB |
Output is correct |
40 |
Correct |
3 ms |
620 KB |
Output is correct |
41 |
Correct |
2 ms |
620 KB |
Output is correct |
42 |
Correct |
2 ms |
620 KB |
Output is correct |
43 |
Correct |
3 ms |
620 KB |
Output is correct |
44 |
Correct |
3 ms |
660 KB |
Output is correct |
45 |
Correct |
3 ms |
620 KB |
Output is correct |
46 |
Correct |
3 ms |
620 KB |
Output is correct |
47 |
Correct |
3 ms |
620 KB |
Output is correct |
48 |
Correct |
3 ms |
620 KB |
Output is correct |
49 |
Correct |
3 ms |
620 KB |
Output is correct |
50 |
Correct |
3 ms |
620 KB |
Output is correct |
51 |
Correct |
3 ms |
620 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
1 ms |
412 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
3 ms |
620 KB |
Output is correct |
28 |
Correct |
3 ms |
620 KB |
Output is correct |
29 |
Correct |
3 ms |
620 KB |
Output is correct |
30 |
Correct |
3 ms |
620 KB |
Output is correct |
31 |
Correct |
3 ms |
620 KB |
Output is correct |
32 |
Correct |
3 ms |
620 KB |
Output is correct |
33 |
Correct |
3 ms |
620 KB |
Output is correct |
34 |
Correct |
3 ms |
620 KB |
Output is correct |
35 |
Correct |
3 ms |
620 KB |
Output is correct |
36 |
Correct |
3 ms |
620 KB |
Output is correct |
37 |
Correct |
3 ms |
620 KB |
Output is correct |
38 |
Correct |
2 ms |
620 KB |
Output is correct |
39 |
Correct |
3 ms |
620 KB |
Output is correct |
40 |
Correct |
3 ms |
620 KB |
Output is correct |
41 |
Correct |
2 ms |
620 KB |
Output is correct |
42 |
Correct |
2 ms |
620 KB |
Output is correct |
43 |
Correct |
3 ms |
620 KB |
Output is correct |
44 |
Correct |
3 ms |
660 KB |
Output is correct |
45 |
Correct |
3 ms |
620 KB |
Output is correct |
46 |
Correct |
3 ms |
620 KB |
Output is correct |
47 |
Correct |
3 ms |
620 KB |
Output is correct |
48 |
Correct |
3 ms |
620 KB |
Output is correct |
49 |
Correct |
3 ms |
620 KB |
Output is correct |
50 |
Correct |
3 ms |
620 KB |
Output is correct |
51 |
Correct |
3 ms |
620 KB |
Output is correct |
52 |
Correct |
204 ms |
12176 KB |
Output is correct |
53 |
Correct |
209 ms |
24684 KB |
Output is correct |
54 |
Correct |
203 ms |
24684 KB |
Output is correct |
55 |
Correct |
216 ms |
24684 KB |
Output is correct |
56 |
Correct |
202 ms |
24940 KB |
Output is correct |
57 |
Correct |
201 ms |
24684 KB |
Output is correct |
58 |
Correct |
209 ms |
24684 KB |
Output is correct |
59 |
Correct |
217 ms |
24812 KB |
Output is correct |
60 |
Correct |
200 ms |
24812 KB |
Output is correct |
61 |
Correct |
200 ms |
24556 KB |
Output is correct |
62 |
Correct |
203 ms |
24840 KB |
Output is correct |
63 |
Correct |
204 ms |
24816 KB |
Output is correct |
64 |
Correct |
222 ms |
24684 KB |
Output is correct |
65 |
Correct |
204 ms |
24692 KB |
Output is correct |
66 |
Correct |
205 ms |
24772 KB |
Output is correct |
67 |
Correct |
207 ms |
24764 KB |
Output is correct |
68 |
Correct |
222 ms |
24796 KB |
Output is correct |