Submission #987869

#	Time	Username	Problem	Language	Result	Execution time	Memory
987869		activedeltorre	Shopping Plans (CCO20_day2problem3)	C++14	15 / 25	185 ms	46768 KiB

Main

#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>

using namespace std;
//ifstream cin("a.in");
//ofstream cout("a.out");
long long inf=1e9+10;
struct node
{
    long long  layer,sum,bitipref,lst,rghtbord,biti;
    //  node(int a,int b,int c,int d,int e) : layer(a),sum(b),bitipref(c),lst(d),rghtbord(e){}
};
struct  cmp
{
    bool operator()(node a,node  b)
    {
        return a.sum>b.sum;
    }
};
priority_queue<node,vector<node>,cmp>pq;
vector<long long >arr;
vector<long long >adj[200005];
long long cost[200005];
vector<long long>ord;
bool cmp2(long long a,long long b)
{
    return cost[a]<cost[b];
}
int y[200005];
int x[200005];
int init[200005];
node skip(node curr)
{
    int g,g2;
    g=ord[curr.layer];
    g2=ord[curr.layer+1];
    curr.sum=curr.sum-adj[g][curr.lst]+adj[g][curr.lst-1];
    curr.layer++;
    curr.biti=x[g2];
    curr.lst=x[g2];
    curr.bitipref=x[g2]-1;
    curr.rghtbord=adj[g2].size()-1;
    curr.sum=curr.sum+adj[g2][curr.lst]-adj[g2][curr.lst-1];
    return curr;
}
node godown(node curr)
{
    int g,g2;
    g=ord[curr.layer];
    g2=ord[curr.layer+1];
    curr.layer++;
    curr.biti=x[g2];
    curr.lst=x[g2];
    curr.bitipref=x[g2]-1;
    curr.rghtbord=adj[g2].size()-1;
    curr.sum=curr.sum+adj[g2][curr.lst]-adj[g2][curr.lst-1];
    return curr;
}
node shift(node curr)
{
    int g;
    g=ord[curr.layer];
    curr.lst++;
    curr.sum=curr.sum+adj[g][curr.lst]-adj[g][curr.lst-1];
    return curr;
}
node fixborderandshift(node curr)
{
    int g;
    g=ord[curr.layer];
    curr.rghtbord=curr.lst-1;
    curr.lst=curr.bitipref;
    curr.sum=curr.sum+adj[g][curr.lst]-adj[g][curr.lst-1];
    return curr;
}
node fixborderandcreate(node curr)
{
    int g;
    g=ord[curr.layer];
    curr.rghtbord=curr.lst-1;
    curr.lst=0;
    curr.biti++;
    curr.sum=curr.sum+init[g];
    return curr;
}
signed  main()
{
    long long  n,m,k,i,a,b;
    long long sum=0;
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin>>n>>m>>k;
    for(i=1; i<=n; i++)
    {
        cin>>a>>b;
        adj[a].push_back(b);
    }
    long long imp=0,minim=inf,poz=m;
    for(i=1; i<=m; i++)
    {
        cin>>x[i]>>y[i];
        if(y[i]==0)
        {
            cost[i]=inf;
        }
        else
        {
            if(x[i]==0)
            {
                adj[i].push_back(0);
            }
            sort(adj[i].begin(),adj[i].end());
            if(adj[i].size()<x[i])
            {
                for(long long j=1; j<=k; j++)
                {
                    cout<<-1<<'\n';
                }
                return 0;
            }
            int vkuk=adj[i][0];
            init[i]=adj[i][0];
            for(int j=0; j<adj[i].size(); j++)
            {
                if(j+1<=x[i])
                {
                    sum+=adj[i][j];
                }
                adj[i][j]-=vkuk;
            }
            if(adj[i].size()==x[i])
            {
                cost[i]=inf;
            }
            else
            {
                cost[i]=adj[i][x[i]];
            }
        }
        ord.push_back(i);
    }
    sort(ord.begin(),ord.end(),cmp2);
    m--;
    for(i=0; i<ord.size(); i++)
    {
        if(cost[ord[i]]==inf)
        {
            m=i-1;
            break;
        }
    }
    node curr,curr2;
    cout<<sum<<'\n';
    k--;
    if(m>=0)
    {
        int g=ord[0];
        curr.layer=0;
        curr.sum=adj[g][x[g]]-adj[g][x[g]-1];
        curr.bitipref=x[g]-1;
        curr.lst=x[g];
        curr.rghtbord=adj[g].size()-1;
        curr.biti=x[g];
        pq.push(curr);
        while(pq.size() && k && imp==0)
        {
            curr=pq.top();
            pq.pop();
            k--;
            cout<<curr.sum+sum<<'\n';
            g=ord[curr.layer];
            if(curr.lst==x[g] && curr.bitipref==x[g]-1 && curr.biti==x[g] && curr.layer+1<=m)
            {
                curr2=skip(curr);
                pq.push(curr2);
            }
            if(curr.lst+1<=curr.rghtbord)
            {
                curr2=shift(curr);
                pq.push(curr2);
            }
            if(curr.bitipref>=1 && curr.lst>=curr.bitipref+1)
            {
                curr2=fixborderandshift(curr);
                pq.push(curr2);
            }
            if(curr.bitipref==0 && curr.lst>=1 && curr.biti+1<=y[g])
            {
                curr2=fixborderandcreate(curr);
                pq.push(curr2);
            }
            if(curr.layer+1<=m)
            {
                curr2=godown(curr);
                pq.push(curr2);
            }
            /*
            if(curr.lst==1 && curr.layer+1<=m)
            {
                curr2=curr;
                curr2.layer++;
                curr2.biti=1;
                curr2.sum=curr2.sum-adj[ord[curr.layer]][1]+adj[ord[curr.layer+1]][1];
                pq.push(curr2);
            }
            if(curr.layer+1<=m)
            {
                curr2=curr;
                curr2.layer++;
                curr2.lst=1;
                curr2.biti=1;
                curr2.sum=curr2.sum+adj[ord[curr.layer+1]][1];
                pq.push(curr2);
            }
            if(adj[ord[curr.layer]].size()>curr.lst+1 && curr.biti+1<=y[ord[curr.layer]])
            {
                curr2=curr;
                curr2.lst++;
                curr2.biti++;
                curr2.sum+=adj[ord[curr.layer]][curr2.lst];
                pq.push(curr2);
            }
            if(adj[ord[curr.layer]].size()>curr.lst+1)
            {
                curr2=curr;
                curr2.sum=curr.sum-adj[ord[curr.layer]][curr.lst]+adj[ord[curr.layer]][curr.lst+1];
                curr2.lst++;
                pq.push(curr2);
            }*/
        }
    }
    while(k)
    {
        k--;
        cout<<-1<<'\n';
    }
    return 0;
}
/*
5 2 7
1 5
1 3
2 3
1 6
2 1
1 1
1 1*/

Compilation message (stderr)

Main.cpp: In function 'node godown(node)':
Main.cpp:50:9: warning: variable 'g' set but not used [-Wunused-but-set-variable]
   50 |     int g,g2;
      |         ^
Main.cpp: In function 'int main()':
Main.cpp:115:29: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  115 |             if(adj[i].size()<x[i])
      |                ~~~~~~~~~~~~~^~~~~
Main.cpp:125:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  125 |             for(int j=0; j<adj[i].size(); j++)
      |                          ~^~~~~~~~~~~~~~
Main.cpp:133:29: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  133 |             if(adj[i].size()==x[i])
      |                ~~~~~~~~~~~~~^~~~~~
Main.cpp:146:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  146 |     for(i=0; i<ord.size(); i++)
      |              ~^~~~~~~~~~~
Main.cpp:100:21: warning: unused variable 'minim' [-Wunused-variable]
  100 |     long long imp=0,minim=inf,poz=m;
      |                     ^~~~~
Main.cpp:100:31: warning: unused variable 'poz' [-Wunused-variable]
  100 |     long long imp=0,minim=inf,poz=m;
      |                               ^~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5