| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 44473 |
2018-04-02T09:26:39 Z |
nickyrio |
Gift (IZhO18_nicegift) |
C++17 |
|
620 ms |
135248 KB |
#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define FORD(i, a, b) for (int i = (a); i >= (b); --i)
#define REP(i, a) for (int i = 0; i < (a); ++i)
#define DEBUG(x) { cerr << #x << '=' << x << endl; }
#define Arr(a, l, r) { cerr << #a << " = {"; FOR(_, l, r) cerr << ' ' << a[_]; cerr << "}\n"; }
#define N 1001000
#define pp pair<int, int>
#define endl '\n'
#define IO ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define taskname ""
#define bit(S, i) (((S) >> (i)) & 1)
using namespace std;
int n, k, a[N];
priority_queue<pp> heap;
vector<int> res[N];
int main() {
#ifdef NERO
freopen("test.inp","r",stdin);
freopen("test.out","w",stdout);
double stime = clock();
#else
//freopen(taskname".inp","r",stdin);
//freopen(taskname".out","w",stdout);
#endif //NERO
IO;
cin >> n >> k;
FOR(i, 1, n) {
cin >> a[i];
heap.push(pp(a[i], i));
}
int cnt = 0;
while (!heap.empty()) {
++cnt;
if (heap.size() < k) {
cout << -1;
return 0;
}
REP(i, k) {
res[cnt].push_back(heap.top().second);
a[heap.top().second]--;
heap.pop();
}
for (int id : res[cnt]) if (a[id]) heap.push(pp(a[id], id));
}
cout << cnt << '\n';
FOR(i, 1, cnt) {
cout << "1 ";
for (int id : res[i]) cout << id << ' ';
cout << '\n';
}
#ifdef NERO
double etime = clock();
cerr << "Execution time: " << (etime - stime) / CLOCKS_PER_SEC * 1000 << " ms.\n";
#endif // NERO
}
Compilation message
nicegift.cpp: In function 'int main()':
nicegift.cpp:36:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (heap.size() < k) {
~~~~~~~~~~~~^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
23800 KB |
n=4 |
| 2 |
Correct |
21 ms |
24040 KB |
n=3 |
| 3 |
Correct |
25 ms |
24040 KB |
n=3 |
| 4 |
Correct |
22 ms |
24040 KB |
n=4 |
| 5 |
Correct |
26 ms |
24040 KB |
n=4 |
| 6 |
Correct |
25 ms |
24040 KB |
n=2 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
23800 KB |
n=4 |
| 2 |
Correct |
21 ms |
24040 KB |
n=3 |
| 3 |
Correct |
25 ms |
24040 KB |
n=3 |
| 4 |
Correct |
22 ms |
24040 KB |
n=4 |
| 5 |
Correct |
26 ms |
24040 KB |
n=4 |
| 6 |
Correct |
25 ms |
24040 KB |
n=2 |
| 7 |
Correct |
21 ms |
24040 KB |
n=5 |
| 8 |
Correct |
22 ms |
24348 KB |
n=8 |
| 9 |
Correct |
26 ms |
24608 KB |
n=14 |
| 10 |
Correct |
24 ms |
24608 KB |
n=11 |
| 11 |
Correct |
57 ms |
27272 KB |
n=50000 |
| 12 |
Correct |
53 ms |
27324 KB |
n=50000 |
| 13 |
Correct |
42 ms |
27324 KB |
n=10 |
| 14 |
Correct |
43 ms |
27324 KB |
n=685 |
| 15 |
Correct |
45 ms |
27324 KB |
n=623 |
| 16 |
Correct |
35 ms |
27324 KB |
n=973 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
23800 KB |
n=4 |
| 2 |
Correct |
21 ms |
24040 KB |
n=3 |
| 3 |
Correct |
25 ms |
24040 KB |
n=3 |
| 4 |
Correct |
22 ms |
24040 KB |
n=4 |
| 5 |
Correct |
26 ms |
24040 KB |
n=4 |
| 6 |
Correct |
25 ms |
24040 KB |
n=2 |
| 7 |
Correct |
21 ms |
24040 KB |
n=5 |
| 8 |
Correct |
22 ms |
24348 KB |
n=8 |
| 9 |
Correct |
26 ms |
24608 KB |
n=14 |
| 10 |
Correct |
24 ms |
24608 KB |
n=11 |
| 11 |
Correct |
57 ms |
27272 KB |
n=50000 |
| 12 |
Correct |
53 ms |
27324 KB |
n=50000 |
| 13 |
Correct |
42 ms |
27324 KB |
n=10 |
| 14 |
Correct |
43 ms |
27324 KB |
n=685 |
| 15 |
Correct |
45 ms |
27324 KB |
n=623 |
| 16 |
Correct |
35 ms |
27324 KB |
n=973 |
| 17 |
Correct |
43 ms |
27324 KB |
n=989 |
| 18 |
Correct |
32 ms |
27324 KB |
n=563 |
| 19 |
Correct |
40 ms |
27324 KB |
n=592 |
| 20 |
Correct |
40 ms |
27324 KB |
n=938 |
| 21 |
Correct |
35 ms |
27324 KB |
n=747 |
| 22 |
Correct |
38 ms |
27324 KB |
n=991 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
620 ms |
135248 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
23800 KB |
n=4 |
| 2 |
Correct |
21 ms |
24040 KB |
n=3 |
| 3 |
Correct |
25 ms |
24040 KB |
n=3 |
| 4 |
Correct |
22 ms |
24040 KB |
n=4 |
| 5 |
Correct |
26 ms |
24040 KB |
n=4 |
| 6 |
Correct |
25 ms |
24040 KB |
n=2 |
| 7 |
Correct |
21 ms |
24040 KB |
n=5 |
| 8 |
Correct |
22 ms |
24348 KB |
n=8 |
| 9 |
Correct |
26 ms |
24608 KB |
n=14 |
| 10 |
Correct |
24 ms |
24608 KB |
n=11 |
| 11 |
Correct |
57 ms |
27272 KB |
n=50000 |
| 12 |
Correct |
53 ms |
27324 KB |
n=50000 |
| 13 |
Correct |
42 ms |
27324 KB |
n=10 |
| 14 |
Correct |
43 ms |
27324 KB |
n=685 |
| 15 |
Correct |
45 ms |
27324 KB |
n=623 |
| 16 |
Correct |
35 ms |
27324 KB |
n=973 |
| 17 |
Correct |
43 ms |
27324 KB |
n=989 |
| 18 |
Correct |
32 ms |
27324 KB |
n=563 |
| 19 |
Correct |
40 ms |
27324 KB |
n=592 |
| 20 |
Correct |
40 ms |
27324 KB |
n=938 |
| 21 |
Correct |
35 ms |
27324 KB |
n=747 |
| 22 |
Correct |
38 ms |
27324 KB |
n=991 |
| 23 |
Runtime error |
620 ms |
135248 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 24 |
Halted |
0 ms |
0 KB |
- |
