| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 963911 |
2024-04-16T02:56:04 Z |
abczz |
Candies (JOI18_candies) |
C++14 |
|
140 ms |
11984 KB |
#include <iostream>
#include <queue>
#include <array>
#define ll long long
using namespace std;
priority_queue <array<ll, 2>> pq;
bool B[200000];
ll n, f, A[200000], pre[200000], nx[200000];
void linkerase(ll u) {
B[u] = 1;
if (pre[u] != -1) nx[pre[u]] = nx[u];
if (nx[u] < n) pre[nx[u]] = pre[u];
}
int main() {
cin >> n;
for (int i=0; i<n; ++i) {
cin >> A[i];
pre[i] = i-1, nx[i] = i+1;
pq.push({A[i], i});
}
for (int i=0; i<(n+1)/2; ++i) {
while (true) {
auto [w, u] = pq.top();
pq.pop();
if (B[u]) continue;
f += w;
if (pre[u] != -1 && nx[u] < n) {
pq.push({A[pre[u]]+A[nx[u]]-w, u});
A[u] = A[pre[u]]+A[nx[u]]-w;
}
else linkerase(u);
if (pre[u] != -1) linkerase(pre[u]);
if (nx[u] < n) linkerase(nx[u]);
cout << f << '\n';
break;
}
}
}
Compilation message
candies.cpp: In function 'int main()':
candies.cpp:27:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
27 | auto [w, u] = pq.top();
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
460 KB |
Output is correct |
| 4 |
Correct |
2 ms |
604 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
2 ms |
2392 KB |
Output is correct |
| 7 |
Correct |
2 ms |
604 KB |
Output is correct |
| 8 |
Correct |
1 ms |
600 KB |
Output is correct |
| 9 |
Correct |
1 ms |
604 KB |
Output is correct |
| 10 |
Correct |
2 ms |
604 KB |
Output is correct |
| 11 |
Correct |
1 ms |
600 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
2 ms |
604 KB |
Output is correct |
| 15 |
Correct |
2 ms |
600 KB |
Output is correct |
| 16 |
Correct |
2 ms |
604 KB |
Output is correct |
| 17 |
Correct |
1 ms |
600 KB |
Output is correct |
| 18 |
Correct |
2 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
604 KB |
Output is correct |
| 20 |
Correct |
1 ms |
604 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
460 KB |
Output is correct |
| 4 |
Correct |
2 ms |
604 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
2 ms |
2392 KB |
Output is correct |
| 7 |
Correct |
2 ms |
604 KB |
Output is correct |
| 8 |
Correct |
1 ms |
600 KB |
Output is correct |
| 9 |
Correct |
1 ms |
604 KB |
Output is correct |
| 10 |
Correct |
2 ms |
604 KB |
Output is correct |
| 11 |
Correct |
1 ms |
600 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
2 ms |
604 KB |
Output is correct |
| 15 |
Correct |
2 ms |
600 KB |
Output is correct |
| 16 |
Correct |
2 ms |
604 KB |
Output is correct |
| 17 |
Correct |
1 ms |
600 KB |
Output is correct |
| 18 |
Correct |
2 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
604 KB |
Output is correct |
| 20 |
Correct |
1 ms |
604 KB |
Output is correct |
| 21 |
Correct |
118 ms |
11956 KB |
Output is correct |
| 22 |
Correct |
120 ms |
11788 KB |
Output is correct |
| 23 |
Correct |
120 ms |
11984 KB |
Output is correct |
| 24 |
Correct |
126 ms |
11800 KB |
Output is correct |
| 25 |
Correct |
100 ms |
11816 KB |
Output is correct |
| 26 |
Correct |
108 ms |
11724 KB |
Output is correct |
| 27 |
Correct |
119 ms |
11876 KB |
Output is correct |
| 28 |
Correct |
109 ms |
11796 KB |
Output is correct |
| 29 |
Correct |
123 ms |
11956 KB |
Output is correct |
| 30 |
Correct |
117 ms |
11888 KB |
Output is correct |
| 31 |
Correct |
106 ms |
11788 KB |
Output is correct |
| 32 |
Correct |
115 ms |
11940 KB |
Output is correct |
| 33 |
Correct |
110 ms |
11724 KB |
Output is correct |
| 34 |
Correct |
121 ms |
11804 KB |
Output is correct |
| 35 |
Correct |
106 ms |
11704 KB |
Output is correct |
| 36 |
Correct |
112 ms |
11964 KB |
Output is correct |
| 37 |
Correct |
112 ms |
11884 KB |
Output is correct |
| 38 |
Correct |
121 ms |
11848 KB |
Output is correct |
| 39 |
Correct |
98 ms |
11712 KB |
Output is correct |
| 40 |
Correct |
99 ms |
11668 KB |
Output is correct |
| 41 |
Correct |
108 ms |
11816 KB |
Output is correct |
| 42 |
Correct |
106 ms |
11960 KB |
Output is correct |
| 43 |
Correct |
140 ms |
11780 KB |
Output is correct |
| 44 |
Correct |
111 ms |
11764 KB |
Output is correct |
| 45 |
Correct |
110 ms |
11960 KB |
Output is correct |
| 46 |
Correct |
107 ms |
11964 KB |
Output is correct |
| 47 |
Correct |
108 ms |
11856 KB |
Output is correct |
| 48 |
Correct |
105 ms |
11704 KB |
Output is correct |
| 49 |
Correct |
118 ms |
11700 KB |
Output is correct |
| 50 |
Correct |
103 ms |
11704 KB |
Output is correct |
