oj.uz

Submission #1095526

# Submission time Handle Problem Language Result Execution time Memory
1095526 2024-10-02T13:26:05 Z 0pt1mus23 Sirni (COCI17_sirni) C++14
0 / 140
 637 ms 265008 KB 
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ins insert
#define pb push_back
#define putr(x) cout<<x<<endl;return;
#define all(x) x.begin(),x.end()
#define _ << " " <<  
const int   mod = 1e9+7 ,
            sze= 1e7 +25 ,
            inf = INT_MAX ,
            L = 31 ;
// credit : aykhn
int parent[sze];
int sz[sze];
int root(int node){
    if(parent[node]==node){
        return node;
    }
    return parent[node]=root(parent[node]);
}
int unite(int a,int b){
    int x = root(a);
    int y = root(b);
    if(x==y){
        return 0;
    }
    if(sz[y]>sz[x]){
        swap(y,x);
    }
    parent[y]=x;
    sz[x]+=sz[y];
    return 1;
}
 
vector<pair<int,int>> event[sze];
void opt1z(){
    int n;
    cin>>n;
    for(int i=0;i<=(int)n+23;i++){
        sz[i]=1;
        parent[i]=i;
    }
    int ans=0;
 
    vector<int> arr(n);
    set<pair<int,int>> lst;
    for(int i=0;i<n;i++){
        cin>>arr[i];
        lst.ins({arr[i],i});
    }
    sort(all(arr));
    
    int mx = arr.back();
 
    for(auto v:lst){
        int c =v.first;
        int i= v.second;
        while(c<=mx){
            auto it = lst.end();
            if(c==v.first){
                it = lst.upper_bound({c,inf});
            }  
            else{
                it = lst.lower_bound({c,-1});
            }
            if(it==lst.end()){
                break;
            }
            // cout<<v _ " ," _  c _ *it % v <<endl;

            event[ (*it).first % v.first ].pb({i,(*it).second});
            c = ((*it).first / v.first +1) * v.first;
        }
    }
    for(int i =0;i<=mx;i++){
        for(auto v:event[i]){
            // cout<<i _ v.first _ "=> " _ v.second<<endl;
            if(unite(v.first,v.second)){
                ans+=i;
            }
        }
    }
 
 
    putr(ans);
}
 
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
 
    int tt = 1;
    // cin>>tt;
    while(tt--){
        opt1z();
    }
 
    return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 235344 KB Output is correct
2 Incorrect 109 ms 238224 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 99 ms 235404 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 106 ms 235348 KB Output is correct
2 Incorrect 103 ms 235316 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 292 ms 250576 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 118 ms 237652 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 637 ms 265008 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 152 ms 240824 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 333 ms 253008 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 370 ms 252836 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 144 ms 238500 KB Output isn't correct
2 Halted 0 ms 0 KB -