#include <bits/stdc++.h>
#define fr(i, n, m) for(int i = (n); i < (m); i ++)
#define pb push_back
#define st first
#define nd second
#define pq priority_queue
#define all(x) begin(x), end(x)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const ll inf = 1e18;
const int i_inf = 1e9;
const ll mod = 1e9+7;
mt19937 _rand(time(NULL));
const int mxn = 5e5+5;
int n;
ll d[mxn];
void solve(){
cin >> n;
fr(i, 1, n+1){
int a, b;
cin >> a >> b;
d[i] = d[i-1] + a - b;
}
pq<int> Q;
ll ans = 0;
fr(i, 1, n+1){
int vinrange = min(max(d[i], 0LL), d[n]);
Q.push(vinrange);
if(Q.top() > d[i]){
Q.push(vinrange);
ans += Q.top()-d[i];
Q.pop();
}
else if(d[i] > d[n]){
ans += d[i]-d[n];
}
}
cout<<ans<<endl;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
solve();
}
# |
결과 |
실행 시간 |
메모리 |
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 |
10 ms |
1380 KB |
Output is correct |
5 |
Correct |
19 ms |
2376 KB |
Output is correct |
6 |
Correct |
60 ms |
6804 KB |
Output is correct |
7 |
Correct |
129 ms |
13064 KB |
Output is correct |
8 |
Correct |
95 ms |
11328 KB |
Output is correct |
9 |
Correct |
111 ms |
10616 KB |
Output is correct |
10 |
Correct |
74 ms |
8260 KB |
Output is correct |
11 |
Correct |
74 ms |
8264 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
10 ms |
1380 KB |
Output is correct |
5 |
Correct |
19 ms |
2376 KB |
Output is correct |
6 |
Correct |
60 ms |
6804 KB |
Output is correct |
7 |
Correct |
129 ms |
13064 KB |
Output is correct |
8 |
Correct |
95 ms |
11328 KB |
Output is correct |
9 |
Correct |
111 ms |
10616 KB |
Output is correct |
10 |
Correct |
74 ms |
8260 KB |
Output is correct |
11 |
Correct |
74 ms |
8264 KB |
Output is correct |
12 |
Correct |
30 ms |
3548 KB |
Output is correct |
13 |
Correct |
70 ms |
8884 KB |
Output is correct |
14 |
Correct |
138 ms |
13248 KB |
Output is correct |
15 |
Correct |
94 ms |
11296 KB |
Output is correct |
16 |
Correct |
110 ms |
10564 KB |
Output is correct |
17 |
Correct |
91 ms |
8376 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
1 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 |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
1 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 |
332 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 |
2 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 |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
1 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 |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
10 ms |
1380 KB |
Output is correct |
12 |
Correct |
19 ms |
2376 KB |
Output is correct |
13 |
Correct |
60 ms |
6804 KB |
Output is correct |
14 |
Correct |
129 ms |
13064 KB |
Output is correct |
15 |
Correct |
95 ms |
11328 KB |
Output is correct |
16 |
Correct |
111 ms |
10616 KB |
Output is correct |
17 |
Correct |
74 ms |
8260 KB |
Output is correct |
18 |
Correct |
74 ms |
8264 KB |
Output is correct |
19 |
Correct |
30 ms |
3548 KB |
Output is correct |
20 |
Correct |
70 ms |
8884 KB |
Output is correct |
21 |
Correct |
138 ms |
13248 KB |
Output is correct |
22 |
Correct |
94 ms |
11296 KB |
Output is correct |
23 |
Correct |
110 ms |
10564 KB |
Output is correct |
24 |
Correct |
91 ms |
8376 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
2 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 |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
376 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
41 ms |
3524 KB |
Output is correct |
34 |
Correct |
102 ms |
8912 KB |
Output is correct |
35 |
Correct |
172 ms |
13120 KB |
Output is correct |
36 |
Correct |
158 ms |
10772 KB |
Output is correct |
37 |
Correct |
104 ms |
11280 KB |
Output is correct |
38 |
Correct |
156 ms |
13168 KB |
Output is correct |
39 |
Correct |
101 ms |
9348 KB |
Output is correct |
40 |
Correct |
109 ms |
8804 KB |
Output is correct |
41 |
Correct |
98 ms |
8308 KB |
Output is correct |
42 |
Correct |
103 ms |
8484 KB |
Output is correct |
43 |
Correct |
107 ms |
8256 KB |
Output is correct |
44 |
Correct |
103 ms |
8256 KB |
Output is correct |
45 |
Correct |
123 ms |
13108 KB |
Output is correct |
46 |
Correct |
91 ms |
8716 KB |
Output is correct |
47 |
Correct |
107 ms |
8176 KB |
Output is correct |