# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
715401 |
2023-03-26T15:43:40 Z |
fuad27 |
Sirni (COCI17_sirni) |
C++17 |
|
3745 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;
vector<int> great(N,1e9);
vector<pair<int,int>> ed[N];
vector<int> v;
DSU d(1e5+10);
int main () {
cin.tie(0)->sync_with_stdio(0);
int n;
cin >> n;
v.resize(n);
{
for(int i = 0;i<n;i++) {
cin >> v[i];
}
sort(v.begin(), v.end() );
v.erase( unique( v.begin(), v.end() ), v.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]});
}
}
}
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 |
173 ms |
274724 KB |
Output is correct |
2 |
Correct |
443 ms |
307324 KB |
Output is correct |
3 |
Correct |
176 ms |
275092 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
233 ms |
274700 KB |
Output is correct |
2 |
Runtime error |
2142 ms |
786432 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
166 ms |
274832 KB |
Output is correct |
2 |
Correct |
169 ms |
274700 KB |
Output is correct |
3 |
Correct |
173 ms |
274940 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
322 ms |
284672 KB |
Output is correct |
2 |
Correct |
675 ms |
314280 KB |
Output is correct |
3 |
Correct |
391 ms |
297184 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
190 ms |
276684 KB |
Output is correct |
2 |
Correct |
544 ms |
298752 KB |
Output is correct |
3 |
Correct |
375 ms |
285016 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
515 ms |
297828 KB |
Output is correct |
2 |
Correct |
835 ms |
332504 KB |
Output is correct |
3 |
Correct |
373 ms |
293568 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
333 ms |
278264 KB |
Output is correct |
2 |
Correct |
947 ms |
335972 KB |
Output is correct |
3 |
Correct |
390 ms |
296240 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
262 ms |
288372 KB |
Output is correct |
2 |
Correct |
1774 ms |
633716 KB |
Output is correct |
3 |
Correct |
334 ms |
291488 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
272 ms |
292716 KB |
Output is correct |
2 |
Runtime error |
2692 ms |
786432 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
195 ms |
276940 KB |
Output is correct |
2 |
Correct |
3745 ms |
657072 KB |
Output is correct |
3 |
Correct |
369 ms |
295804 KB |
Output is correct |