This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
long long n,hmax;
long long ans,h,w;
long long v[100010];
stack<pair<int,int>>s,ss;
static inline void adauga(long long cost,long long length)
{
if(!s.empty()&&cost==s.top().first)
{
length+=s.top().second;
s.pop();
}
s.push({cost,length});
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin>>n;
for(long long i=1;i<=n;++i)
{
cin>>h>>w;
v[i]=h*1000000+w;
}
sort(v+1,v+n+1);
for(long long i=1;i<=n;++i)
{
h=v[i]/1000000;
w=v[i]%1000000;
if(h>hmax)
{
adauga(0,h-hmax);
hmax=h;
}
while(w)
{
if(w>=s.top().second)
{
ss.push({s.top().first+1,s.top().second});
ans+=s.top().first*s.top().second;
w-=s.top().second;
s.pop();
}
else
{
ans+=w*s.top().first;
ss.push({s.top().first,s.top().second-w});
ss.push({s.top().first+1,w});
w=0;
s.pop();
}
}
while(!ss.empty())
{
adauga(ss.top().first,ss.top().second);
ss.pop();
}
}
cout<<ans;
return 0;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |