#include <bits/stdc++.h>
#define all(i) (i).begin(), (i).end()
using namespace std;
#define debug(args...) cout << '[' << #args << "] is [", DEBUG(false, args), cout << ']' << endl
template<typename T>
void DEBUG(bool _sp, T i) {
if (_sp)
cout << ' ';
cout << i;
}
template<typename T, typename ...U>
void DEBUG(bool _sp, T i, U ...j) {
if (_sp)
cout << ' ';
cout << i;
DEBUG(true, j...);
}
template<typename T, typename U>
ostream& operator << (ostream &i, pair<T, U> j) {
i << '(' << j.first << ", " << j.second << ')';
}
template<typename T>
ostream& operator << (ostream &i, vector<T> j) {
i << '{' << j.size() << " :";
for (T _i : j)
i << ' ' << _i;
i << '}';
}
typedef long long ll;
typedef pair<int, int> pi;
typedef double dd;
const int inf = 0x3f3f3f3f, lg = 20;
const ll mod = 1e9 + 7, INF = 0x3f3f3f3f3f3f3f3f;
signed main() {
ios::sync_with_stdio(0), cin.tie(0);
int n, q;
cin >> n >> q;
int a[n], b[n];
for (int &i : a)
cin >> i;
for (int &i : b)
cin >> i;
ll pre[n + 1];
pre[0] = 0;
for (int i = 0; i < n; ++i)
pre[i + 1] = pre[i] + a[i];
if (n <= 3000 && q <= 3000) {
while (q--) {
int s, t, u;
cin >> s >> t >> u;
--s, --t;
ll res = 0;
deque<pi> q;
for (int i = s; i < t; ++i) {
if (a[i] > u) {
res = -1;
break;
}
while (!q.empty() && q.back().first >= b[i])
q.pop_back();
q.emplace_back(b[i], i);
ll tmp = 0;
while (tmp < a[i]) {
while (pre[i] + tmp - pre[q.front().second] >= u)
q.pop_front();
ll x = min(a[i] - tmp, u - (pre[i] + tmp - pre[q.front().second]));
res += x * q.front().first;
tmp += x;
}
}
cout << res << '\n';
}
}
}
Compilation message
Main.cpp: In function 'std::ostream& operator<<(std::ostream&, std::pair<_T1, _T2>)':
Main.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type]
21 | }
| ^
Main.cpp: In function 'std::ostream& operator<<(std::ostream&, std::vector<_Tp>)':
Main.cpp:28:1: warning: no return statement in function returning non-void [-Wreturn-type]
28 | }
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
54 ms |
448 KB |
Output is correct |
2 |
Correct |
51 ms |
580 KB |
Output is correct |
3 |
Correct |
19 ms |
468 KB |
Output is correct |
4 |
Correct |
45 ms |
440 KB |
Output is correct |
5 |
Correct |
35 ms |
480 KB |
Output is correct |
6 |
Correct |
21 ms |
460 KB |
Output is correct |
7 |
Correct |
48 ms |
452 KB |
Output is correct |
8 |
Correct |
42 ms |
468 KB |
Output is correct |
9 |
Correct |
20 ms |
460 KB |
Output is correct |
10 |
Correct |
42 ms |
452 KB |
Output is correct |
11 |
Correct |
49 ms |
448 KB |
Output is correct |
12 |
Correct |
19 ms |
460 KB |
Output is correct |
13 |
Correct |
35 ms |
452 KB |
Output is correct |
14 |
Correct |
19 ms |
460 KB |
Output is correct |
15 |
Correct |
29 ms |
440 KB |
Output is correct |
16 |
Correct |
30 ms |
484 KB |
Output is correct |
17 |
Correct |
30 ms |
440 KB |
Output is correct |
18 |
Correct |
43 ms |
452 KB |
Output is correct |
19 |
Correct |
14 ms |
460 KB |
Output is correct |
20 |
Correct |
71 ms |
460 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
12 ms |
1948 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
35 ms |
5936 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
54 ms |
448 KB |
Output is correct |
2 |
Correct |
51 ms |
580 KB |
Output is correct |
3 |
Correct |
19 ms |
468 KB |
Output is correct |
4 |
Correct |
45 ms |
440 KB |
Output is correct |
5 |
Correct |
35 ms |
480 KB |
Output is correct |
6 |
Correct |
21 ms |
460 KB |
Output is correct |
7 |
Correct |
48 ms |
452 KB |
Output is correct |
8 |
Correct |
42 ms |
468 KB |
Output is correct |
9 |
Correct |
20 ms |
460 KB |
Output is correct |
10 |
Correct |
42 ms |
452 KB |
Output is correct |
11 |
Correct |
49 ms |
448 KB |
Output is correct |
12 |
Correct |
19 ms |
460 KB |
Output is correct |
13 |
Correct |
35 ms |
452 KB |
Output is correct |
14 |
Correct |
19 ms |
460 KB |
Output is correct |
15 |
Correct |
29 ms |
440 KB |
Output is correct |
16 |
Correct |
30 ms |
484 KB |
Output is correct |
17 |
Correct |
30 ms |
440 KB |
Output is correct |
18 |
Correct |
43 ms |
452 KB |
Output is correct |
19 |
Correct |
14 ms |
460 KB |
Output is correct |
20 |
Correct |
71 ms |
460 KB |
Output is correct |
21 |
Incorrect |
12 ms |
1948 KB |
Output isn't correct |
22 |
Halted |
0 ms |
0 KB |
- |