#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define pll pair<ll, ll>
#define x first
#define y second
using namespace std;
typedef long long ll;
typedef long double ld;
typedef __gnu_pbds::tree<ll, __gnu_pbds::null_type, less<ll>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update> yree;
const ld inf = 0x3fff3fff3fff3fff;
const ll N = 5e5+18;
ll a[N];
signed main(){
cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(0);
ll n;
cin >> n;
for(ll i = 0;i<n;i++){
ll u, v;
cin >> u >> v;
a[i]=u-v;
if(i) a[i]+=a[i-1];
}
priority_queue<ll> pq;
ll res=0;
for(ll i = 0;i+1<n;i++){
if(a[i]<0) res+=-a[i], a[i]=0;
if(a[i]>a[n-1]) res+=a[i]-a[n-1], a[i]=a[n-1];
pq.push(a[i]);
if(pq.top()>a[i]){
res+=pq.top()-a[i];
pq.pop();
pq.push(a[i]);
}
}
cout<<res;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
6 ms |
1616 KB |
Output is correct |
5 |
Correct |
12 ms |
2892 KB |
Output is correct |
6 |
Correct |
40 ms |
7744 KB |
Output is correct |
7 |
Correct |
80 ms |
15208 KB |
Output is correct |
8 |
Correct |
69 ms |
13264 KB |
Output is correct |
9 |
Correct |
64 ms |
12616 KB |
Output is correct |
10 |
Correct |
47 ms |
10324 KB |
Output is correct |
11 |
Correct |
48 ms |
10300 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
6 ms |
1616 KB |
Output is correct |
5 |
Correct |
12 ms |
2892 KB |
Output is correct |
6 |
Correct |
40 ms |
7744 KB |
Output is correct |
7 |
Correct |
80 ms |
15208 KB |
Output is correct |
8 |
Correct |
69 ms |
13264 KB |
Output is correct |
9 |
Correct |
64 ms |
12616 KB |
Output is correct |
10 |
Correct |
47 ms |
10324 KB |
Output is correct |
11 |
Correct |
48 ms |
10300 KB |
Output is correct |
12 |
Correct |
21 ms |
4084 KB |
Output is correct |
13 |
Correct |
53 ms |
10960 KB |
Output is correct |
14 |
Correct |
81 ms |
15120 KB |
Output is correct |
15 |
Correct |
65 ms |
13348 KB |
Output is correct |
16 |
Correct |
69 ms |
12652 KB |
Output is correct |
17 |
Correct |
59 ms |
10316 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 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 |
204 KB |
Output is correct |
5 |
Correct |
0 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 |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 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 |
204 KB |
Output is correct |
5 |
Correct |
0 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 |
336 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 |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 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 |
204 KB |
Output is correct |
5 |
Correct |
0 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 |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
6 ms |
1616 KB |
Output is correct |
12 |
Correct |
12 ms |
2892 KB |
Output is correct |
13 |
Correct |
40 ms |
7744 KB |
Output is correct |
14 |
Correct |
80 ms |
15208 KB |
Output is correct |
15 |
Correct |
69 ms |
13264 KB |
Output is correct |
16 |
Correct |
64 ms |
12616 KB |
Output is correct |
17 |
Correct |
47 ms |
10324 KB |
Output is correct |
18 |
Correct |
48 ms |
10300 KB |
Output is correct |
19 |
Correct |
21 ms |
4084 KB |
Output is correct |
20 |
Correct |
53 ms |
10960 KB |
Output is correct |
21 |
Correct |
81 ms |
15120 KB |
Output is correct |
22 |
Correct |
65 ms |
13348 KB |
Output is correct |
23 |
Correct |
69 ms |
12652 KB |
Output is correct |
24 |
Correct |
59 ms |
10316 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
31 ms |
4032 KB |
Output is correct |
34 |
Correct |
77 ms |
10824 KB |
Output is correct |
35 |
Correct |
131 ms |
15184 KB |
Output is correct |
36 |
Correct |
115 ms |
12692 KB |
Output is correct |
37 |
Correct |
70 ms |
13244 KB |
Output is correct |
38 |
Correct |
120 ms |
15152 KB |
Output is correct |
39 |
Correct |
74 ms |
11348 KB |
Output is correct |
40 |
Correct |
77 ms |
10936 KB |
Output is correct |
41 |
Correct |
64 ms |
10352 KB |
Output is correct |
42 |
Correct |
66 ms |
10400 KB |
Output is correct |
43 |
Correct |
69 ms |
10308 KB |
Output is correct |
44 |
Correct |
68 ms |
10420 KB |
Output is correct |
45 |
Correct |
88 ms |
15092 KB |
Output is correct |
46 |
Correct |
67 ms |
10632 KB |
Output is correct |
47 |
Correct |
77 ms |
10172 KB |
Output is correct |