#include <bits/stdc++.h>
using namespace std;
int main () {
ios::sync_with_stdio(0);
cin.tie(0);
int l, r, res = 0;
cin >> l >> r;
map<int, int> eventos;
for (int T = 0; T < r; T++) {
int qts;
cin >> qts;
int s = 0;
vector<int> arr (qts);
for (int i = 0; i < qts; i++) {
cin >> arr[i];
s += arr[i];
}
int cur = 0;
int mn = 0;
int st, et;
for (int i = 0; i < qts; i++) {
st = max (mn, cur);
et = l - s - 1;
//cout << st << ' ' << et << '\n';
eventos[st]++;
eventos[et + 1]--;
mn = max (mn, l - s);
cur += arr[i];
s -= arr[i];
}
st = max (mn, cur);
et = l - s - 1;
//cout << st << ' ' << et << '\n';
eventos[st]++;
eventos[et + 1]--;
}
eventos[l - 1] += 0;
int cur = 0;
int where_am_i = 0;
for (auto to : eventos) {
int where = to.first;
int d = to.second;
if (cur < r) {
res += (where - where_am_i);
}
cur += d;
where_am_i = where;
}
cout << res << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
256 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
256 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
131 ms |
4728 KB |
Output is correct |
13 |
Correct |
5 ms |
256 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
6 ms |
512 KB |
Output is correct |
17 |
Correct |
903 ms |
38008 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
146 ms |
20860 KB |
Output is correct |
2 |
Correct |
33 ms |
4740 KB |
Output is correct |
3 |
Correct |
37 ms |
5548 KB |
Output is correct |
4 |
Correct |
143 ms |
22004 KB |
Output is correct |
5 |
Correct |
57 ms |
10744 KB |
Output is correct |
6 |
Correct |
176 ms |
20540 KB |
Output is correct |
7 |
Correct |
7 ms |
768 KB |
Output is correct |
8 |
Correct |
190 ms |
23292 KB |
Output is correct |
9 |
Correct |
82 ms |
13800 KB |
Output is correct |
10 |
Correct |
159 ms |
23980 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
146 ms |
20860 KB |
Output is correct |
2 |
Correct |
33 ms |
4740 KB |
Output is correct |
3 |
Correct |
37 ms |
5548 KB |
Output is correct |
4 |
Correct |
143 ms |
22004 KB |
Output is correct |
5 |
Correct |
57 ms |
10744 KB |
Output is correct |
6 |
Correct |
176 ms |
20540 KB |
Output is correct |
7 |
Correct |
7 ms |
768 KB |
Output is correct |
8 |
Correct |
190 ms |
23292 KB |
Output is correct |
9 |
Correct |
82 ms |
13800 KB |
Output is correct |
10 |
Correct |
159 ms |
23980 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
819 ms |
26936 KB |
Output is correct |
22 |
Correct |
97 ms |
8952 KB |
Output is correct |
23 |
Correct |
41 ms |
7032 KB |
Output is correct |
24 |
Correct |
213 ms |
23624 KB |
Output is correct |
25 |
Correct |
834 ms |
26744 KB |
Output is correct |
26 |
Correct |
246 ms |
16632 KB |
Output is correct |
27 |
Correct |
76 ms |
7672 KB |
Output is correct |
28 |
Correct |
815 ms |
26880 KB |
Output is correct |
29 |
Correct |
812 ms |
27152 KB |
Output is correct |
30 |
Correct |
143 ms |
19024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
256 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
131 ms |
4728 KB |
Output is correct |
13 |
Correct |
5 ms |
256 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
6 ms |
512 KB |
Output is correct |
17 |
Correct |
903 ms |
38008 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
146 ms |
20860 KB |
Output is correct |
22 |
Correct |
33 ms |
4740 KB |
Output is correct |
23 |
Correct |
37 ms |
5548 KB |
Output is correct |
24 |
Correct |
143 ms |
22004 KB |
Output is correct |
25 |
Correct |
57 ms |
10744 KB |
Output is correct |
26 |
Correct |
176 ms |
20540 KB |
Output is correct |
27 |
Correct |
7 ms |
768 KB |
Output is correct |
28 |
Correct |
190 ms |
23292 KB |
Output is correct |
29 |
Correct |
82 ms |
13800 KB |
Output is correct |
30 |
Correct |
159 ms |
23980 KB |
Output is correct |
31 |
Correct |
5 ms |
384 KB |
Output is correct |
32 |
Correct |
5 ms |
384 KB |
Output is correct |
33 |
Correct |
5 ms |
384 KB |
Output is correct |
34 |
Correct |
5 ms |
384 KB |
Output is correct |
35 |
Correct |
5 ms |
384 KB |
Output is correct |
36 |
Correct |
5 ms |
384 KB |
Output is correct |
37 |
Correct |
5 ms |
384 KB |
Output is correct |
38 |
Correct |
5 ms |
384 KB |
Output is correct |
39 |
Correct |
5 ms |
384 KB |
Output is correct |
40 |
Correct |
5 ms |
384 KB |
Output is correct |
41 |
Correct |
819 ms |
26936 KB |
Output is correct |
42 |
Correct |
97 ms |
8952 KB |
Output is correct |
43 |
Correct |
41 ms |
7032 KB |
Output is correct |
44 |
Correct |
213 ms |
23624 KB |
Output is correct |
45 |
Correct |
834 ms |
26744 KB |
Output is correct |
46 |
Correct |
246 ms |
16632 KB |
Output is correct |
47 |
Correct |
76 ms |
7672 KB |
Output is correct |
48 |
Correct |
815 ms |
26880 KB |
Output is correct |
49 |
Correct |
812 ms |
27152 KB |
Output is correct |
50 |
Correct |
143 ms |
19024 KB |
Output is correct |
51 |
Correct |
62 ms |
9848 KB |
Output is correct |
52 |
Correct |
944 ms |
40440 KB |
Output is correct |
53 |
Correct |
946 ms |
40312 KB |
Output is correct |
54 |
Correct |
176 ms |
14328 KB |
Output is correct |
55 |
Correct |
569 ms |
34168 KB |
Output is correct |
56 |
Correct |
184 ms |
24612 KB |
Output is correct |
57 |
Correct |
296 ms |
23032 KB |
Output is correct |
58 |
Correct |
938 ms |
40952 KB |
Output is correct |
59 |
Correct |
206 ms |
17144 KB |
Output is correct |
60 |
Correct |
310 ms |
23212 KB |
Output is correct |