#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, m;
cin >> n >> m;
vector<int> a(n), b(n);
vector<ll> pref(n);
for (int i = 0; i < n; ++i) {
cin >> a[i];
pref[i] = (i ? pref[i - 1] : 0) + a[i];
}
for (int i = 0; i < n; ++i) {
cin >> b[i];
}
vector<int> R(n, n), stk;
for (int i = 0; i < n; ++i) {
while (!stk.empty() && b[stk.back()] >= b[i]) {
R[stk.back()] = i;
stk.pop_back();
}
stk.push_back(i);
}
auto get = [&](int l, int r) {
return pref[r] - (l ? pref[l - 1] : 0);
};
while (m--) {
int s, t, u;
cin >> s >> t >> u;
--s, --t;
ll ans = 0, cur = 0;
for (int i = s; i < t; ++i) {
ll mx = min(get(i, min(t, R[i]) - 1), (ll)u);
ll buy = max(0ll, mx - cur);
ans += buy * b[i];
cur += buy;
cur -= a[i];
if (cur < 0) {
break;
}
}
cout << (cur >= 0 ? ans : -1) << '\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
492 KB |
Output is correct |
2 |
Correct |
12 ms |
468 KB |
Output is correct |
3 |
Correct |
12 ms |
460 KB |
Output is correct |
4 |
Correct |
12 ms |
484 KB |
Output is correct |
5 |
Correct |
12 ms |
456 KB |
Output is correct |
6 |
Correct |
13 ms |
460 KB |
Output is correct |
7 |
Correct |
12 ms |
468 KB |
Output is correct |
8 |
Correct |
12 ms |
468 KB |
Output is correct |
9 |
Correct |
14 ms |
604 KB |
Output is correct |
10 |
Correct |
16 ms |
460 KB |
Output is correct |
11 |
Correct |
15 ms |
468 KB |
Output is correct |
12 |
Correct |
16 ms |
500 KB |
Output is correct |
13 |
Correct |
14 ms |
488 KB |
Output is correct |
14 |
Correct |
12 ms |
456 KB |
Output is correct |
15 |
Correct |
12 ms |
492 KB |
Output is correct |
16 |
Correct |
12 ms |
524 KB |
Output is correct |
17 |
Correct |
8 ms |
468 KB |
Output is correct |
18 |
Correct |
8 ms |
524 KB |
Output is correct |
19 |
Correct |
9 ms |
480 KB |
Output is correct |
20 |
Correct |
35 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3117 ms |
2100 KB |
Output is correct |
2 |
Correct |
3046 ms |
3660 KB |
Output is correct |
3 |
Correct |
3122 ms |
3968 KB |
Output is correct |
4 |
Correct |
2994 ms |
3636 KB |
Output is correct |
5 |
Correct |
3043 ms |
3664 KB |
Output is correct |
6 |
Execution timed out |
4054 ms |
7332 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4093 ms |
4516 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
492 KB |
Output is correct |
2 |
Correct |
12 ms |
468 KB |
Output is correct |
3 |
Correct |
12 ms |
460 KB |
Output is correct |
4 |
Correct |
12 ms |
484 KB |
Output is correct |
5 |
Correct |
12 ms |
456 KB |
Output is correct |
6 |
Correct |
13 ms |
460 KB |
Output is correct |
7 |
Correct |
12 ms |
468 KB |
Output is correct |
8 |
Correct |
12 ms |
468 KB |
Output is correct |
9 |
Correct |
14 ms |
604 KB |
Output is correct |
10 |
Correct |
16 ms |
460 KB |
Output is correct |
11 |
Correct |
15 ms |
468 KB |
Output is correct |
12 |
Correct |
16 ms |
500 KB |
Output is correct |
13 |
Correct |
14 ms |
488 KB |
Output is correct |
14 |
Correct |
12 ms |
456 KB |
Output is correct |
15 |
Correct |
12 ms |
492 KB |
Output is correct |
16 |
Correct |
12 ms |
524 KB |
Output is correct |
17 |
Correct |
8 ms |
468 KB |
Output is correct |
18 |
Correct |
8 ms |
524 KB |
Output is correct |
19 |
Correct |
9 ms |
480 KB |
Output is correct |
20 |
Correct |
35 ms |
512 KB |
Output is correct |
21 |
Correct |
3117 ms |
2100 KB |
Output is correct |
22 |
Correct |
3046 ms |
3660 KB |
Output is correct |
23 |
Correct |
3122 ms |
3968 KB |
Output is correct |
24 |
Correct |
2994 ms |
3636 KB |
Output is correct |
25 |
Correct |
3043 ms |
3664 KB |
Output is correct |
26 |
Execution timed out |
4054 ms |
7332 KB |
Time limit exceeded |
27 |
Halted |
0 ms |
0 KB |
- |