# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
489877 |
2021-11-25T02:37:27 Z |
yungyao |
Sirni (COCI17_sirni) |
C++17 |
|
387 ms |
64012 KB |
/*
weak weak we ak we akwea weak we
weak weak we ak weak weak we ak we
weakweak we ak wea ak we akwe
wea we ak we ak we akwe
wea we ak we ak we akwe
wea eak weak we ak we ak we
wea wea ak we ak weak we
we
we ak wea ak weak we
we ak wea weak wea eak we
we ak we ak wea wea we we
weak we ak we we we we
we we ak we we we we
we wea weak wea wea weak weak
weak wea akw weak weak
*/
//#define _GLIBCXX_DEBUG //is only used when couldn't find bug
using namespace std;
#pragma GCC optimize ("Ofast")
//headers
#include <vector>
#include <queue>
#include <algorithm>
#include <cmath>
#include <utility>
#include <bitset>
#include <set>
#include <string>
#include <stack>
#include <iomanip>
#include <map>
#include <memory.h>
#include <deque>
#include <time.h>
#include <assert.h>
#include <unordered_map>
#include <unordered_set>
#include <sstream>
//defines
typedef long long LL;
typedef pair<int,int> pii;
typedef pair<LL,LL> pll;
typedef vector<int> vi;
typedef vector<LL> vl;
typedef vector<vector<int>> vvi;
typedef vector<vector<LL>> vvl;
#define pb push_back
#define F first
#define S second
#define mid (LB+RB)/2
#define mkp make_pair
//iterators
#define iter(x) x.begin(),x.end()
#define aiter(a,n) a,a+n
//loops
#define REP(n) for (int ___=n > 0 ? n : 0;___--;)
#define REP0(i,n) for (int i=0,___=n;i<___;++i)
#define REP1(i,n) for (int i=1,___=n;i<=___;++i)
#define MEM(e,val) memset (e,val,sizeof(e))
/*
every one is so dian except me
still too weak 咩噗
*/
//IO
#include <cstdio>
#include <iostream>
#include <fstream>
#define want_to_be_more_dian ios_base::sync_with_stdio(false),cin.tie(0);
//pbds
/*
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/priority_queue.hpp>
using namespace __gnu_pbds;
//tree <pii,null_type,less<pii>,rb_tree_tag,tree_order_statistics_node_update>;
*/
//constants
#include <climits>
const int maxn = 1e7+10,mod = 0;
const long long inf = 0;
const double eps = 0;
//workspace
bool app[maxn];
struct _edge{
int u,v;
int w;
bool operator<(_edge a){
return w < a.w;
}
_edge(int u,int v,int w): u(u), v(v), w(w){}
};
struct DSU{
int dsu[maxn];
void init(vector <int> &v){
for (auto &i:v) dsu[i] = i;
}
int query(int k){
return k == dsu[k] ? k : dsu[k] = query(dsu[k]);
}
void merge(int u,int v){
u = query(u); v = query(v);
dsu[v] = u;
}
}dsu;
inline void solve(){
int n;
cin >> n;
int mx = 1;
REP(n){
int x;
cin >> x;
app[x] = true;
mx = max(mx,x);
}
vector <int> vv;
vv.reserve(n);
REP1(i,mx) if (app[i]) vv.pb(i);
vector <_edge> edge;
for (auto &x:vv){
for (int k=x;k<=mx;k+=x){
auto it = lower_bound(iter(vv),k);
if (it == vv.end()) break;
k = *it - *it % x;
edge.pb(_edge(x, *it, *it - k));
}
}
sort(iter(edge));
dsu.init(vv);
LL ans = 0;
for (auto &[u,v,w]:edge){
if (dsu.query(u) != dsu.query(v)){
dsu.merge(u,v);
ans += w;
}
}
cout << ans;
}
signed main(){
want_to_be_more_dian
//int t,i=1; for (int ;cin;)//use in multi-testcases and end in EOF problems
//int t,i=1; for (cin >> t;i<=t;++i)//use in multi-testcases problems
//cout << "Case #" << i << ": ",//use in Google, FB competitions
solve();//always used
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
12 ms |
7208 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
11 ms |
7624 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
160 ms |
17496 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
25 ms |
6976 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
387 ms |
51108 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
51 ms |
6972 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
304 ms |
64012 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
294 ms |
63788 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
59 ms |
46472 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |