oj.uz

Submission #887143

# Submission time Handle Problem Language Result Execution time Memory
887143 2023-12-13T21:30:43 Z Servant_of_the_Lord Sirni (COCI17_sirni) C++17
98 / 140
 5000 ms 611312 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);
        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;
            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())break;
        }
        cout<<a<<'\n';
    }

Compilation message

sirni.cpp:8:5: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    8 |     main()
      |     ^~~~
sirni.cpp: In function 'int main()':
sirni.cpp:13:16: warning: unused variable 'z' [-Wunused-variable]
   13 |         ll x,y,z,a,b,c;
      |                ^
sirni.cpp:13:20: warning: unused variable 'b' [-Wunused-variable]
   13 |         ll x,y,z,a,b,c;
      |                    ^
sirni.cpp:13:22: warning: unused variable 'c' [-Wunused-variable]
   13 |         ll x,y,z,a,b,c;
      |                      ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 273 ms 236532 KB Output is correct
2 Correct 1196 ms 299536 KB Output is correct
3 Correct 278 ms 237140 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 676 ms 372548 KB Output is correct
2 Correct 3542 ms 583452 KB Output is correct
3 Correct 285 ms 238620 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 273 ms 236688 KB Output is correct
2 Correct 135 ms 236628 KB Output is correct
3 Correct 271 ms 237080 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1618 ms 408064 KB Output is correct
2 Correct 2664 ms 549460 KB Output is correct
3 Correct 2706 ms 594840 KB Output is correct

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 357 ms 285012 KB Output is correct
2 Correct 2376 ms 428388 KB Output is correct
3 Correct 2257 ms 507040 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2512 ms 475336 KB Output is correct
2 Correct 2655 ms 611312 KB Output is correct
3 Correct 1794 ms 503488 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1589 ms 458220 KB Output is correct
2 Correct 2974 ms 608852 KB Output is correct
3 Correct 2403 ms 572292 KB Output is correct

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1603 ms 284620 KB Output is correct
2 Execution timed out 5066 ms 558604 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1674 ms 296528 KB Output is correct
2 Execution timed out 5042 ms 602344 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 487 ms 244564 KB Output is correct
2 Execution timed out 5086 ms 503796 KB Time limit exceeded
3 Halted 0 ms 0 KB -