oj.uz

Submission #1077405

# Submission time Handle Problem Language Result Execution time Memory
1077405 2024-08-27T06:52:30 Z MOUF_MAHMALAT Reconstruction Project (JOI22_reconstruction) C++14
31 / 100
 157 ms 22864 KB 
#include <bits/stdc++.h>
#define all(v) v.begin(),v.end()
#define F first
#define S second
using namespace std;
typedef int ll;
typedef pair<ll,ll>pll;
const ll oo=20000+9;
const ll inf=1e9+9;
struct node
{
    ll a,b,c;
} a[oo];
bool cmp(const node&A,const node&B)
{
    return A.c < B.c;
}
ll n,m,p[509],q;
bool vis[oo];
vector<ll>lst;
vector<pll>v;
ll gp(ll z)
{
    if(p[z]<0)
        return z;
    return p[z]=gp(p[z]);
}
bool mrg(ll x,ll y)
{
    x=gp(x),y=gp(y);
    if(x==y)
        return 0;
    if(p[x]>p[y])
        swap(x,y);
    p[x]+=p[y];
    p[y]=x;
    return 1;
}
void solve()
{
    cin>>n>>m;
    for(ll i=0; i<m; i++)
        cin>>a[i].a>>a[i].b>>a[i].c;
    sort(a,a+m,cmp);
    for(ll i=0; i<m; i++)
    {
        for(ll j=1; j<=n; j++)
            p[j]=-1;
        lst.push_back(i);
        ll id=-1;
        for(ll j=(ll)lst.size()-1; j>=0; j--)
        {
            ll x=lst[j];
            if(!mrg(a[x].a,a[x].b))
            {
                id=j;
                break;
            }
        }
        if(id!=-1)
        {
            ll x=lst[id];
            vis[x]=1;
            v.push_back({(a[x].c+a[i].c)/2+1,x});
            v.push_back({(a[x].c+a[i].c)/2+1,i});
            lst.erase(lst.begin()+id);
        }
        else
        v.push_back({0,i});
    }
    for(auto&z:lst)
    v.push_back({inf,z});
    sort(all(v));
    memset(vis,0,sizeof vis);
    cin>>q;
    ll le=0,cl=0,cr=0;
    long long suml=0,sumr=0;
    multiset<ll>s;
    while(q--)
    {
        ll x;
        cin>>x;
        while(le<v.size()&&v[le].F<=x)
        {
            ll o=v[le].S;
            if(vis[o])
            {
                if(s.find(a[o].c)!=s.end())
                {
                    cl--,suml-=a[o].c;
                    s.erase(s.find(a[o].c));
                }
                else
                {
                    cr--,sumr-=a[o].c;
                }
            }
            else
            {
                vis[o]=1;
                cl++,suml+=a[o].c;
                s.insert(a[o].c);
            }
            le++;
        }
        while(!s.empty()&&*s.begin()<x)
        {
            cl--,suml-=*s.begin();
            cr++,sumr+=*s.begin();
            s.erase(s.begin());
        }
        cout<<suml-sumr-1ll*cl*x+1ll*cr*x<<"\n";
    }
}
int main()
{
    ios_base::sync_with_stdio(0),cin.tie(0);
    ll tt=1;
//    cin>>tt;
    while(tt--)
        solve();
    return 0;
}

Compilation message

reconstruction.cpp: In function 'void solve()':
reconstruction.cpp:83:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |         while(le<v.size()&&v[le].F<=x)
      |               ~~^~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 600 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 488 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 600 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 488 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Runtime error 4 ms 1372 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 464 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Runtime error 4 ms 1548 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 600 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 488 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 139 ms 22544 KB Output is correct
21 Correct 135 ms 22356 KB Output is correct
22 Correct 148 ms 22356 KB Output is correct
23 Correct 128 ms 22340 KB Output is correct
24 Correct 136 ms 22416 KB Output is correct
25 Correct 137 ms 22352 KB Output is correct
26 Correct 143 ms 22284 KB Output is correct
27 Correct 133 ms 22352 KB Output is correct
28 Correct 127 ms 22264 KB Output is correct
29 Correct 135 ms 22376 KB Output is correct
30 Correct 156 ms 22612 KB Output is correct
31 Correct 147 ms 22304 KB Output is correct
32 Correct 157 ms 22864 KB Output is correct
33 Correct 141 ms 22220 KB Output is correct

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 600 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 488 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Runtime error 4 ms 1372 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 600 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 488 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Runtime error 4 ms 1372 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -