oj.uz

Submission #887145

# Submission time Handle Problem Language Result Execution time Memory
887145 2023-12-13T21:32:48 Z Servant_of_the_Lord Sirni (COCI17_sirni) C++17
98 / 140
 5000 ms 611244 KB 
    #include <bits/stdc++.h>
    #pragma GCC optimize("O2")
    #define ll long long
     
    using namespace std;
     
    main()
    {
        ios_base::sync_with_stdio(false);
        cin.tie(0);
     
        ll x,y,z,a,b,c;
        cin>>x;
        set<ll>s;
        map<ll,ll>m;
        for(ll i=0;i<x;i++)
        {
            cin>>y;
            s.insert(y);
            m[y]=i;
        }
        vector<vector<ll>>v(10'000'000);
        for(ll i:s)
        {
            if(v[i-1].empty())
            {
                for(ll j=i-1;j<10'000'000;j+=i)
                {
                    v[j].push_back(i);
                }
            }
        }
        vector<ll>w(x,-1);
        z=x-1;
        function<ll(ll)>g=[&](ll a){return w[a]<0?a:w[a]=g(w[a]);};
        function<bool(ll,ll)>u=[&](ll a,ll b)
        {
            a=g(m[a]),b=g(m[b]);
            if(a==b)return false;
            if(w[a]>w[b])swap(a,b);
            w[a]+=w[b];
            w[b]=a;
            z--;
            return true;
        };
        a=0;
        bitset<10'000'000>t;
        for(ll i=0;i<10'000'000;i++)
        {
            vector<ll>e;
            for(ll j:s)
            {
                for(ll k:v[j-i-1])
                {
                    if(u(j,k))
                    {
                        a+=i;
                    }
                }
                if(j-i-1==0||t[j-i-1])e.push_back(j);
                t[j-i-1]=1;
            }
            for(ll j:e)s.erase(j);
            if(s.empty()||z==0)break;
        }
        cout<<a<<'\n';
    }

Compilation message

sirni.cpp:7:5: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    7 |     main()
      |     ^~~~
sirni.cpp: In function 'int main()':
sirni.cpp:12:20: warning: unused variable 'b' [-Wunused-variable]
   12 |         ll x,y,z,a,b,c;
      |                    ^
sirni.cpp:12:22: warning: unused variable 'c' [-Wunused-variable]
   12 |         ll x,y,z,a,b,c;
      |                      ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 219 ms 236628 KB Output is correct
2 Correct 1192 ms 299564 KB Output is correct
3 Correct 96 ms 237180 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 686 ms 372232 KB Output is correct
2 Correct 3593 ms 583524 KB Output is correct
3 Correct 293 ms 238416 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 196 ms 236628 KB Output is correct
2 Correct 132 ms 236624 KB Output is correct
3 Correct 133 ms 236884 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1618 ms 407868 KB Output is correct
2 Correct 2635 ms 549148 KB Output is correct
3 Correct 2718 ms 594472 KB Output is correct

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 362 ms 285012 KB Output is correct
2 Correct 2376 ms 428144 KB Output is correct
3 Correct 2306 ms 507040 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2684 ms 475328 KB Output is correct
2 Correct 2611 ms 611244 KB Output is correct
3 Correct 1728 ms 503220 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1555 ms 458632 KB Output is correct
2 Correct 2927 ms 609020 KB Output is correct
3 Correct 2375 ms 572480 KB Output is correct

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1541 ms 284636 KB Output is correct
2 Execution timed out 5072 ms 558500 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1680 ms 296272 KB Output is correct
2 Execution timed out 5123 ms 602280 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 463 ms 244480 KB Output is correct
2 Execution timed out 5040 ms 503776 KB Time limit exceeded
3 Halted 0 ms 0 KB -