# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
768756 |
2023-06-28T14:41:28 Z |
raysh07 |
Taxis (POI13_tak) |
C++17 |
|
93 ms |
4180 KB |
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF (int)1e18
#define f first
#define s second
mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());
void Solve()
{
int m, d, n; cin >> m >> d >> n;
vector <int> a(n);
for (auto &x : a) cin >> x;
sort(a.begin(), a.end(), greater<int>());
int curr = 0;
int ans = 0;
for (auto x : a){
x -= abs(d - curr);
if (x < 0) {
continue;
}
curr += x;
ans++;
if (curr >= m) break;
}
if (curr < m) {
cout << 0 << "\n";
return;
}
pair<int, int> mn = {INF, -1};
for (int i = 0; i < n; i++){
if (a[i] >= m - d){
mn = min(mn, {a[i], i});
}
}
int got = mn.second;
int cnt = 0;
curr = 0;
for (int i = 0; i < n; i++){
if (i == got) continue;
a[i] -= abs(d - curr);
if (a[i] < 0) continue;
curr += a[i];
cnt++;
if (curr >= d) break;
}
cout << min(ans, cnt + 1) << "\n";
}
int32_t main()
{
auto begin = std::chrono::high_resolution_clock::now();
ios_base::sync_with_stdio(0);
cin.tie(0);
int t = 1;
// cin >> t;
for(int i = 1; i <= t; i++)
{
//cout << "Case #" << i << ": ";
Solve();
}
auto end = std::chrono::high_resolution_clock::now();
auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
724 KB |
Output is correct |
2 |
Incorrect |
2 ms |
596 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
852 KB |
Output is correct |
2 |
Incorrect |
11 ms |
852 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
18 ms |
1236 KB |
Output is correct |
2 |
Incorrect |
36 ms |
2004 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
49 ms |
2644 KB |
Output is correct |
2 |
Incorrect |
60 ms |
2900 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
93 ms |
4180 KB |
Output is correct |
2 |
Incorrect |
72 ms |
3460 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
79 ms |
4180 KB |
Output is correct |
2 |
Incorrect |
91 ms |
4180 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |