| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 335288 |
2020-12-11T20:19:30 Z |
limabeans |
Gift (IZhO18_nicegift) |
C++17 |
|
2000 ms |
524292 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;
const int maxn = 1e6 + 5;
ll n,k;
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
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<int>> w;
while (pq.size()) {
auto cur = pq.top();
pq.pop();
auto cur2 = pq.top();
pq.pop();
w.push_back({cur.second,cur2.second});
cur.first--;
cur2.first--;
if (cur.first) {
pq.push(cur);
}
if (cur2.first) {
pq.push(cur2);
}
}
cout<<w.size()<<"\n";
for (auto p: w) {
cout<<1<<" "<<p[0]<<" "<<p[1]<<"\n";
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
n=4 |
| 2 |
Correct |
1 ms |
364 KB |
n=3 |
| 3 |
Correct |
1 ms |
364 KB |
n=3 |
| 4 |
Correct |
1 ms |
364 KB |
n=4 |
| 5 |
Correct |
1 ms |
364 KB |
n=4 |
| 6 |
Correct |
1 ms |
364 KB |
n=2 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
n=4 |
| 2 |
Correct |
1 ms |
364 KB |
n=3 |
| 3 |
Correct |
1 ms |
364 KB |
n=3 |
| 4 |
Correct |
1 ms |
364 KB |
n=4 |
| 5 |
Correct |
1 ms |
364 KB |
n=4 |
| 6 |
Correct |
1 ms |
364 KB |
n=2 |
| 7 |
Correct |
1 ms |
364 KB |
n=5 |
| 8 |
Runtime error |
669 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 9 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
n=4 |
| 2 |
Correct |
1 ms |
364 KB |
n=3 |
| 3 |
Correct |
1 ms |
364 KB |
n=3 |
| 4 |
Correct |
1 ms |
364 KB |
n=4 |
| 5 |
Correct |
1 ms |
364 KB |
n=4 |
| 6 |
Correct |
1 ms |
364 KB |
n=2 |
| 7 |
Correct |
1 ms |
364 KB |
n=5 |
| 8 |
Runtime error |
669 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 9 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2101 ms |
344788 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 |
1 ms |
364 KB |
n=3 |
| 3 |
Correct |
1 ms |
364 KB |
n=3 |
| 4 |
Correct |
1 ms |
364 KB |
n=4 |
| 5 |
Correct |
1 ms |
364 KB |
n=4 |
| 6 |
Correct |
1 ms |
364 KB |
n=2 |
| 7 |
Correct |
1 ms |
364 KB |
n=5 |
| 8 |
Runtime error |
669 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 9 |
Halted |
0 ms |
0 KB |
- |
