This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
///OWNERUL LUI CALIN <3
#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
using namespace std;
int inf=1000000070;
struct node
{
long long sum;
int layer,bitipref,lst,rghtbord,biti;
};
struct cmp
{
bool operator()(node a,node b)
{return a.sum>b.sum;}
};
priority_queue<node,vector<node>,cmp>pq;
vector<int>adj[200005];
int cost[200005];
vector<int>ord;
bool cmp2(int a,int b)
{
return cost[a]<cost[b];
}
int y[200005];
int x[200005];
int init[200005];
int g,g2;
node special(node curr)
{
g=ord[curr.layer];
g2=ord[curr.layer+1];
curr.lst=0;
curr.sum+=adj[g2][0];
curr.layer++;
curr.biti=1;
curr.bitipref=0;
curr.rghtbord=adj[g2].size()-1;
return curr;
}
node skip(node curr)
{
g=ord[curr.layer];
g2=ord[curr.layer+1];
if(x[g]==0)
curr.sum-=adj[g][curr.lst];
else
curr.sum+=adj[g][curr.lst-1]-adj[g][curr.lst];
if(x[g2]==0)
return special(curr);
curr.layer++;
curr.biti=x[g2];
curr.lst=x[g2];
curr.bitipref=x[g2]-1;
curr.rghtbord=adj[g2].size()-1;
curr.sum+=adj[g2][curr.lst]-adj[g2][curr.lst-1];
return curr;
}
node godown(node curr)
{
g=ord[curr.layer];
g2=ord[curr.layer+1];
if(x[g2]==0)
return special(curr);
curr.layer++;
curr.biti=x[g2];
curr.lst=x[g2];
curr.bitipref=x[g2]-1;
curr.rghtbord=adj[g2].size()-1;
curr.sum+=adj[g2][curr.lst]-adj[g2][curr.lst-1];
return curr;
}
node shift(node curr)
{
g=ord[curr.layer];
curr.lst++;
curr.sum+=adj[g][curr.lst]-adj[g][curr.lst-1];
return curr;
}
node fixborderandshift(node curr)
{
g=ord[curr.layer];
curr.rghtbord=curr.lst-1;
curr.lst=curr.bitipref;
curr.bitipref--;
curr.sum+=adj[g][curr.lst]-adj[g][curr.lst-1];
return curr;
}
node fixborderandcreate(node curr)
{
g=ord[curr.layer];
curr.rghtbord=curr.lst-1;
curr.lst=0;
curr.biti++;
curr.sum+=init[g];
return curr;
}
signed main()
{
int n,m,k,i,a,b,j,vkuk;
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);
}
for(i=1; i<=m; i++)
{
cin>>x[i]>>y[i];
if(y[i]==0)
{
cost[i]=inf;
}
else
{
sort(adj[i].begin(),adj[i].end());
if(adj[i].size()<x[i])
{
for(j=1; j<=k; j++)
cout<<-1<<'\n';
return 0;
}
if(x[i]==0)
{
if(adj[i].size()==0)
cost[i]=inf;
else
{
init[i]=adj[i][0];
cost[i]=adj[i][0];
}
}
else
{
vkuk=adj[i][0];
init[i]=adj[i][0];
for(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]]-adj[i][x[i]-1];
}
}
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 g3=ord[0];
if(x[g3]==0)
{
curr.layer=0;
curr.sum=adj[g3][0];
curr.bitipref=0;
curr.lst=0;
curr.biti=1;
curr.rghtbord=adj[g3].size()-1;
pq.push(curr);
}
else
{
curr.layer=0;
curr.sum=adj[g3][x[g3]]-adj[g3][x[g3]-1];
curr.bitipref=x[g3]-1;
curr.lst=x[g3];
curr.rghtbord=adj[g3].size()-1;
curr.biti=x[g3];
pq.push(curr);
}
while(pq.size() && k)
{
while(pq.size()>k)
{
pq.pop();
}
curr=pq.top();
pq.pop();
k--;
cout<<curr.sum+sum<<'\n';
g3=ord[curr.layer];
if(x[g3]==0 && curr.biti==1 && curr.layer+1<=m && curr.lst==0)
pq.push(skip(curr));
else if(curr.lst==x[g3] && curr.bitipref==x[g3]-1 && curr.biti==x[g3] && curr.layer+1<=m)
pq.push(skip(curr));
if(curr.lst+1<=curr.rghtbord)
pq.push(shift(curr));
if(curr.bitipref>=1 && curr.lst>=curr.bitipref+1)
pq.push(fixborderandshift(curr));
else if(curr.bitipref==0 && curr.lst>=1 && curr.biti+1<=y[g3])
pq.push(fixborderandcreate(curr));
if(curr.layer+1<=m)
pq.push(godown(curr));
}
}
while(k--)
cout<<-1<<'\n';
return 0;
}
Compilation message (stderr)
Main.cpp: In function 'int main()':
Main.cpp:123:29: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
123 | if(adj[i].size()<x[i])
| ~~~~~~~~~~~~~^~~~~
Main.cpp:143:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
143 | for(j=0; j<adj[i].size(); j++)
| ~^~~~~~~~~~~~~~
Main.cpp:149:33: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
149 | if(adj[i].size()==x[i])
| ~~~~~~~~~~~~~^~~~~~
Main.cpp:159:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
159 | for(i=0; i<ord.size(); i++)
| ~^~~~~~~~~~~
Main.cpp:195:28: warning: comparison of integer expressions of different signedness: 'std::priority_queue<node, std::vector<node>, cmp>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
195 | while(pq.size()>k)
| ~~~~~~~~~^~
Main.cpp:167:15: warning: unused variable 'curr2' [-Wunused-variable]
167 | node curr,curr2;
| ^~~~~
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