#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
using namespace std;
typedef long long ll;
typedef pair <ll, ll> pii;
typedef pair <long double, pii> muchie;
const ll NMAX = 500001;
const ll VMAX = 1000001;
const ll INF = (1LL << 60);
const ll MOD = 1000000007;
const ll BLOCK = 447;
const ll nr_of_bits = 21;
int n;
ll v[NMAX], a, b;
int main() {
//ifstream cin("niceset.in");
//ofstream cout("niceset.out");
int i;
cin >> n;
for(i = 1; i <= n; i++){
cin >> a >> b;
a -= b;
v[i] = a;
v[i] += v[i - 1];
}
ll sol = 0;
priority_queue <ll> pq;
for(i = 1; i <= n; i++){
if(v[i] < 0){
sol += -v[i];
v[i] = 0;
}
if(v[i] > v[n]){
sol += (v[i] - v[n]);
v[i] = v[n];
}
pq.push(v[i]);
pq.push(v[i]);
sol += (v[n] - v[i]);
sol -= (v[n] - pq.top());
pq.pop();
}
cout << sol;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
2 ms |
312 KB |
Output is correct |
3 |
Correct |
2 ms |
336 KB |
Output is correct |
4 |
Correct |
20 ms |
1608 KB |
Output is correct |
5 |
Correct |
40 ms |
2772 KB |
Output is correct |
6 |
Correct |
144 ms |
7808 KB |
Output is correct |
7 |
Correct |
309 ms |
15276 KB |
Output is correct |
8 |
Correct |
245 ms |
13232 KB |
Output is correct |
9 |
Correct |
266 ms |
12848 KB |
Output is correct |
10 |
Correct |
160 ms |
10308 KB |
Output is correct |
11 |
Correct |
161 ms |
10340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
2 ms |
312 KB |
Output is correct |
3 |
Correct |
2 ms |
336 KB |
Output is correct |
4 |
Correct |
20 ms |
1608 KB |
Output is correct |
5 |
Correct |
40 ms |
2772 KB |
Output is correct |
6 |
Correct |
144 ms |
7808 KB |
Output is correct |
7 |
Correct |
309 ms |
15276 KB |
Output is correct |
8 |
Correct |
245 ms |
13232 KB |
Output is correct |
9 |
Correct |
266 ms |
12848 KB |
Output is correct |
10 |
Correct |
160 ms |
10308 KB |
Output is correct |
11 |
Correct |
161 ms |
10340 KB |
Output is correct |
12 |
Correct |
94 ms |
4084 KB |
Output is correct |
13 |
Correct |
188 ms |
10936 KB |
Output is correct |
14 |
Correct |
300 ms |
15192 KB |
Output is correct |
15 |
Correct |
269 ms |
13240 KB |
Output is correct |
16 |
Correct |
227 ms |
12600 KB |
Output is correct |
17 |
Correct |
162 ms |
10424 KB |
Output is correct |
18 |
Correct |
2 ms |
336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
2 ms |
312 KB |
Output is correct |
3 |
Correct |
2 ms |
336 KB |
Output is correct |
4 |
Correct |
0 ms |
300 KB |
Output is correct |
5 |
Correct |
1 ms |
312 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
2 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
304 KB |
Output is correct |
9 |
Correct |
2 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
2 ms |
312 KB |
Output is correct |
3 |
Correct |
2 ms |
336 KB |
Output is correct |
4 |
Correct |
0 ms |
300 KB |
Output is correct |
5 |
Correct |
1 ms |
312 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
2 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
304 KB |
Output is correct |
9 |
Correct |
2 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
2 ms |
336 KB |
Output is correct |
12 |
Correct |
2 ms |
336 KB |
Output is correct |
13 |
Correct |
3 ms |
308 KB |
Output is correct |
14 |
Correct |
3 ms |
316 KB |
Output is correct |
15 |
Correct |
2 ms |
336 KB |
Output is correct |
16 |
Correct |
2 ms |
336 KB |
Output is correct |
17 |
Correct |
2 ms |
288 KB |
Output is correct |
18 |
Correct |
2 ms |
336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
2 ms |
312 KB |
Output is correct |
3 |
Correct |
2 ms |
336 KB |
Output is correct |
4 |
Correct |
0 ms |
300 KB |
Output is correct |
5 |
Correct |
1 ms |
312 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
2 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
304 KB |
Output is correct |
9 |
Correct |
2 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
20 ms |
1608 KB |
Output is correct |
12 |
Correct |
40 ms |
2772 KB |
Output is correct |
13 |
Correct |
144 ms |
7808 KB |
Output is correct |
14 |
Correct |
309 ms |
15276 KB |
Output is correct |
15 |
Correct |
245 ms |
13232 KB |
Output is correct |
16 |
Correct |
266 ms |
12848 KB |
Output is correct |
17 |
Correct |
160 ms |
10308 KB |
Output is correct |
18 |
Correct |
161 ms |
10340 KB |
Output is correct |
19 |
Correct |
94 ms |
4084 KB |
Output is correct |
20 |
Correct |
188 ms |
10936 KB |
Output is correct |
21 |
Correct |
300 ms |
15192 KB |
Output is correct |
22 |
Correct |
269 ms |
13240 KB |
Output is correct |
23 |
Correct |
227 ms |
12600 KB |
Output is correct |
24 |
Correct |
162 ms |
10424 KB |
Output is correct |
25 |
Correct |
2 ms |
336 KB |
Output is correct |
26 |
Correct |
3 ms |
308 KB |
Output is correct |
27 |
Correct |
3 ms |
316 KB |
Output is correct |
28 |
Correct |
2 ms |
336 KB |
Output is correct |
29 |
Correct |
2 ms |
336 KB |
Output is correct |
30 |
Correct |
2 ms |
288 KB |
Output is correct |
31 |
Correct |
2 ms |
336 KB |
Output is correct |
32 |
Correct |
2 ms |
336 KB |
Output is correct |
33 |
Correct |
100 ms |
4104 KB |
Output is correct |
34 |
Correct |
194 ms |
10884 KB |
Output is correct |
35 |
Correct |
376 ms |
15116 KB |
Output is correct |
36 |
Correct |
312 ms |
12704 KB |
Output is correct |
37 |
Correct |
276 ms |
13292 KB |
Output is correct |
38 |
Correct |
375 ms |
15160 KB |
Output is correct |
39 |
Correct |
194 ms |
11260 KB |
Output is correct |
40 |
Correct |
209 ms |
10804 KB |
Output is correct |
41 |
Correct |
195 ms |
10440 KB |
Output is correct |
42 |
Correct |
164 ms |
10332 KB |
Output is correct |
43 |
Correct |
170 ms |
10340 KB |
Output is correct |
44 |
Correct |
183 ms |
10404 KB |
Output is correct |
45 |
Correct |
315 ms |
15136 KB |
Output is correct |
46 |
Correct |
192 ms |
10728 KB |
Output is correct |
47 |
Correct |
185 ms |
10168 KB |
Output is correct |