Submission #987521

#	Time	Username	Problem	Language	Result	Execution time	Memory
987521		activedeltorre	Shopping Plans (CCO20_day2problem3)	C++14	0 / 25	4034 ms	399628 KiB

Main

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

using namespace std;
struct node
{
    long long  layer,sum,lst;
};
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];
int  main()
{
    long long  n,m,k,i,a,b,x,y;
    long long sum=0;
    cin>>n>>m>>k;
    for(i=1;i<=n;i++)
    {
        cin>>a>>b;
        adj[a].push_back(b);
    }
    for(i=1;i<=m;i++)
    {
        cin>>x>>y;
        sort(adj[i].begin(),adj[i].end());
        long long  vkuk=adj[i][0];
        sum+=adj[i][0];
        for(long long  j=0;j<adj[i].size();j++)
        {
           adj[i][j]-=vkuk;
        }
    }
  //  sort(arr.begin(),arr.end());
  //  cout<<sum<<'\n';
    node curr,curr2;
    pq.push({1,0,0});
    while(pq.size() && k)
    {
        curr=pq.top();
        pq.pop();
        if(curr.layer==m+1)
        {
            k--;
            cout<<curr.sum+sum<<'\n';
        }
        else
        {
            if(curr.lst+1<adj[curr.layer].size())
            {
                curr2=curr;
                curr2.lst++;
                curr2.sum=curr2.sum-adj[curr.layer][curr.lst]+adj[curr.layer][curr.lst+1];
                pq.push(curr2);
            }
            curr2=curr;
            curr2.lst=0;
            curr2.layer++;
            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 'int main()':
Main.cpp:34:29: 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]
   34 |         for(long long  j=0;j<adj[i].size();j++)
      |                            ~^~~~~~~~~~~~~~
Main.cpp:54:26: 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]
   54 |             if(curr.lst+1<adj[curr.layer].size())
      |                ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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