#include <iostream>
#include <vector>
#include <deque>
using namespace std;
using ll = long long;
const int MAXN = 2e5 + 123;
ll eng[MAXN];
ll cost[MAXN];
ll get_ans(int l, int r, int mxeng) {
deque<pair<ll, ll>> dq;
ll eng_total = 0;
ll ans = 0;
for (int i = l; i < r; ++i) {
while (dq.size() && dq.back().first >= cost[i]) {
eng_total -= dq.back().second;
dq.pop_back();
}
if (eng_total < mxeng)
dq.push_back({cost[i], mxeng - eng_total});
eng_total = mxeng;
if (eng[i] > eng_total) {
return -1;
}
ll eng_need = eng[i];
while (eng_need > 0) {
if (eng_need >= dq.front().second) {
eng_need -= dq.front().second;
ans += dq.front().first * dq.front().second;
eng_total -= dq.front().second;
dq.pop_front();
} else {
dq.front().second -= eng_need;
ans += dq.front().first * eng_need;
eng_total -= eng_need;
eng_need = 0;
}
}
}
return ans;
}
signed main() {
int n, m;
cin >> n >> m;
for (int i = 0; i < n; ++i) {
cin >> eng[i];
}
for (int i = 0; i < n; ++i) {
cin >> cost[i];
}
while (m--) {
int l, r, mxeng;
cin >> l >> r >> mxeng;
--l, --r;
cout << get_ans(l, r, mxeng) << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
57 ms |
460 KB |
Output is correct |
2 |
Correct |
61 ms |
504 KB |
Output is correct |
3 |
Correct |
32 ms |
460 KB |
Output is correct |
4 |
Correct |
57 ms |
452 KB |
Output is correct |
5 |
Correct |
45 ms |
492 KB |
Output is correct |
6 |
Correct |
33 ms |
476 KB |
Output is correct |
7 |
Correct |
57 ms |
488 KB |
Output is correct |
8 |
Correct |
42 ms |
516 KB |
Output is correct |
9 |
Correct |
32 ms |
448 KB |
Output is correct |
10 |
Correct |
57 ms |
456 KB |
Output is correct |
11 |
Correct |
50 ms |
468 KB |
Output is correct |
12 |
Correct |
31 ms |
496 KB |
Output is correct |
13 |
Correct |
48 ms |
476 KB |
Output is correct |
14 |
Correct |
30 ms |
416 KB |
Output is correct |
15 |
Correct |
35 ms |
468 KB |
Output is correct |
16 |
Correct |
43 ms |
516 KB |
Output is correct |
17 |
Correct |
39 ms |
456 KB |
Output is correct |
18 |
Correct |
46 ms |
464 KB |
Output is correct |
19 |
Correct |
24 ms |
448 KB |
Output is correct |
20 |
Correct |
87 ms |
460 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4051 ms |
2924 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4046 ms |
6368 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
57 ms |
460 KB |
Output is correct |
2 |
Correct |
61 ms |
504 KB |
Output is correct |
3 |
Correct |
32 ms |
460 KB |
Output is correct |
4 |
Correct |
57 ms |
452 KB |
Output is correct |
5 |
Correct |
45 ms |
492 KB |
Output is correct |
6 |
Correct |
33 ms |
476 KB |
Output is correct |
7 |
Correct |
57 ms |
488 KB |
Output is correct |
8 |
Correct |
42 ms |
516 KB |
Output is correct |
9 |
Correct |
32 ms |
448 KB |
Output is correct |
10 |
Correct |
57 ms |
456 KB |
Output is correct |
11 |
Correct |
50 ms |
468 KB |
Output is correct |
12 |
Correct |
31 ms |
496 KB |
Output is correct |
13 |
Correct |
48 ms |
476 KB |
Output is correct |
14 |
Correct |
30 ms |
416 KB |
Output is correct |
15 |
Correct |
35 ms |
468 KB |
Output is correct |
16 |
Correct |
43 ms |
516 KB |
Output is correct |
17 |
Correct |
39 ms |
456 KB |
Output is correct |
18 |
Correct |
46 ms |
464 KB |
Output is correct |
19 |
Correct |
24 ms |
448 KB |
Output is correct |
20 |
Correct |
87 ms |
460 KB |
Output is correct |
21 |
Execution timed out |
4051 ms |
2924 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |