# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
715392 |
2023-03-26T15:24:42 Z |
fuad27 |
Sirni (COCI17_sirni) |
C++17 |
|
3634 ms |
786432 KB |
#include<bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
struct DSU {
vector<int> e;
DSU(int N) {e = vector<int>(N, -1);}
int get(int x) { return e[x] < 0 ? x : e[x] = get(e[x]); }
bool same_set(int a, int b) { return get(a) == get(b); }
int size(int x) { return -e[get(x)]; }
bool unite(int x, int y) {
x = get(x), y = get(y);
if (x == y) return false;
if (e[x] > e[y]) swap(x, y);
e[x] += e[y]; e[y] = x; return true;
}
};
const int N=1e7+10;
int great[N];
vector<pair<int,int>> ed[N];
vector<int> v;
int main () {
cin.tie(0)->sync_with_stdio(0);
for(int i = 0;i<N;i++)great[i]=1e9;
int n;
cin >> n;
{
set<int> s;
for(int i = 0;i<n;i++) {
int a;
cin >> a;
s.insert(a);
}
v=vector<int>(s.begin(),s.end());
}
n=v.size();
for(int i = 0;i<n;i++)great[v[i]]=i;
for(int j = N-3;j>=0;j--) {
great[j]=min(great[j],great[j+1]);
}
for(int i=0;i<n;i++) {
for(int j=v[i];j<N-3;j+=v[i]) {
if(j!=v[i]) {
if(great[j]<n) {
ed[v[great[j]]-j].push_back({i,great[j]});
}
}
else if(great[j+1]<n) {
ed[v[great[j+1]]-j].push_back({i,great[j+1]});
}
}
}
DSU d(n+1);
long long sum=0;
for(int i = 0;i<N-3;i++) {
for(auto j:ed[i]) {
sum+=(int)d.unite(j.second,j.first)*i;
}
}
cout << sum << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
151 ms |
274380 KB |
Output is correct |
2 |
Correct |
382 ms |
306976 KB |
Output is correct |
3 |
Correct |
156 ms |
274772 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
223 ms |
274284 KB |
Output is correct |
2 |
Runtime error |
2032 ms |
786432 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
163 ms |
274440 KB |
Output is correct |
2 |
Correct |
165 ms |
274364 KB |
Output is correct |
3 |
Correct |
173 ms |
274624 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
341 ms |
284968 KB |
Output is correct |
2 |
Correct |
642 ms |
313912 KB |
Output is correct |
3 |
Correct |
387 ms |
296092 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
181 ms |
276364 KB |
Output is correct |
2 |
Correct |
556 ms |
297952 KB |
Output is correct |
3 |
Correct |
406 ms |
285068 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
517 ms |
297048 KB |
Output is correct |
2 |
Correct |
814 ms |
332116 KB |
Output is correct |
3 |
Correct |
376 ms |
292940 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
323 ms |
278100 KB |
Output is correct |
2 |
Correct |
844 ms |
335164 KB |
Output is correct |
3 |
Correct |
384 ms |
294464 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
347 ms |
288496 KB |
Output is correct |
2 |
Correct |
1757 ms |
633956 KB |
Output is correct |
3 |
Correct |
356 ms |
292488 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
318 ms |
292648 KB |
Output is correct |
2 |
Runtime error |
2798 ms |
786432 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
213 ms |
276660 KB |
Output is correct |
2 |
Correct |
3634 ms |
656920 KB |
Output is correct |
3 |
Correct |
388 ms |
295488 KB |
Output is correct |