# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
335291 |
2020-12-11T20:37:12 Z |
limabeans |
Gift (IZhO18_nicegift) |
C++17 |
|
2000 ms |
237392 KB |
#include <bits/stdc++.h>
using namespace std;
template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl
using ll = long long;
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
ll n,k;
cin>>n>>k;
assert(k==2);
priority_queue<pair<ll,int>> pq;
ll sum=0;
for (int i=1; i<=n; i++) {
ll x;
cin>>x;
sum += x;
pq.push({x,i});
}
if (sum%k) out(-1);
vector<vector<ll>> w;
while (pq.size()) {
vector<pair<ll,int>> tmp;
for (int i=0; i<k; i++) {
if (pq.empty()) out(-1);
tmp.push_back(pq.top());
pq.pop();
}
ll lo = (pq.empty() ? 0 : pq.top().first);
ll gap = max(1ll,tmp.back().first-lo);
vector<ll> inds;
for (auto p: tmp) {
inds.push_back(p.second);
p.first -= gap;
if (p.first>0) {
pq.push(p);
}
}
inds.push_back(gap);
w.push_back(inds);
}
cout<<w.size()<<"\n";
for (auto p: w) {
ll gap = p.back();
p.pop_back();
cout<<gap<<" ";
for (ll i: p) cout<<i<<" ";
cout<<"\n";
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n=4 |
2 |
Correct |
0 ms |
364 KB |
n=3 |
3 |
Correct |
0 ms |
364 KB |
n=3 |
4 |
Correct |
0 ms |
364 KB |
n=4 |
5 |
Correct |
1 ms |
364 KB |
n=4 |
6 |
Correct |
0 ms |
364 KB |
n=2 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n=4 |
2 |
Correct |
0 ms |
364 KB |
n=3 |
3 |
Correct |
0 ms |
364 KB |
n=3 |
4 |
Correct |
0 ms |
364 KB |
n=4 |
5 |
Correct |
1 ms |
364 KB |
n=4 |
6 |
Correct |
0 ms |
364 KB |
n=2 |
7 |
Correct |
0 ms |
364 KB |
n=5 |
8 |
Correct |
1 ms |
364 KB |
n=8 |
9 |
Correct |
10 ms |
1212 KB |
n=14 |
10 |
Correct |
5 ms |
748 KB |
n=11 |
11 |
Correct |
30 ms |
3432 KB |
n=50000 |
12 |
Correct |
43 ms |
4452 KB |
n=50000 |
13 |
Correct |
25 ms |
2872 KB |
n=10 |
14 |
Correct |
33 ms |
3232 KB |
n=685 |
15 |
Correct |
35 ms |
3360 KB |
n=623 |
16 |
Correct |
20 ms |
2084 KB |
n=973 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n=4 |
2 |
Correct |
0 ms |
364 KB |
n=3 |
3 |
Correct |
0 ms |
364 KB |
n=3 |
4 |
Correct |
0 ms |
364 KB |
n=4 |
5 |
Correct |
1 ms |
364 KB |
n=4 |
6 |
Correct |
0 ms |
364 KB |
n=2 |
7 |
Correct |
0 ms |
364 KB |
n=5 |
8 |
Correct |
1 ms |
364 KB |
n=8 |
9 |
Correct |
10 ms |
1212 KB |
n=14 |
10 |
Correct |
5 ms |
748 KB |
n=11 |
11 |
Correct |
30 ms |
3432 KB |
n=50000 |
12 |
Correct |
43 ms |
4452 KB |
n=50000 |
13 |
Correct |
25 ms |
2872 KB |
n=10 |
14 |
Correct |
33 ms |
3232 KB |
n=685 |
15 |
Correct |
35 ms |
3360 KB |
n=623 |
16 |
Correct |
20 ms |
2084 KB |
n=973 |
17 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 6 (could be triggered by violating memory limits) |
18 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2097 ms |
237392 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n=4 |
2 |
Correct |
0 ms |
364 KB |
n=3 |
3 |
Correct |
0 ms |
364 KB |
n=3 |
4 |
Correct |
0 ms |
364 KB |
n=4 |
5 |
Correct |
1 ms |
364 KB |
n=4 |
6 |
Correct |
0 ms |
364 KB |
n=2 |
7 |
Correct |
0 ms |
364 KB |
n=5 |
8 |
Correct |
1 ms |
364 KB |
n=8 |
9 |
Correct |
10 ms |
1212 KB |
n=14 |
10 |
Correct |
5 ms |
748 KB |
n=11 |
11 |
Correct |
30 ms |
3432 KB |
n=50000 |
12 |
Correct |
43 ms |
4452 KB |
n=50000 |
13 |
Correct |
25 ms |
2872 KB |
n=10 |
14 |
Correct |
33 ms |
3232 KB |
n=685 |
15 |
Correct |
35 ms |
3360 KB |
n=623 |
16 |
Correct |
20 ms |
2084 KB |
n=973 |
17 |
Runtime error |
1 ms |
492 KB |
Execution killed with signal 6 (could be triggered by violating memory limits) |
18 |
Halted |
0 ms |
0 KB |
- |