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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#91175 | #6136. Airdrop | Random_Code | WA | 536ms | 17528kb | C++11 | 1.9kb | 2023-03-27 16:12:51 | 2023-03-27 16:12:55 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
#define N 100010
using namespace std;
ll n,ty,dx[N],dy[N],pre[N],suf[N];
vector<ll> allv,vt[N];
int main(){
ll T,i,j;
scanf("%lld",&T);
while(T--)
{
scanf("%lld%lld",&n,&ty);
allv.clear();
for(i=0;i<n;i++)
{
scanf("%lld%lld",&dx[i],&dy[i]);
allv.push_back(dx[i]);
}
sort(allv.begin(),allv.end());
allv.erase(unique(allv.begin(),allv.end()),allv.end());
for(i=0;i<allv.size();i++)
{
vt[i].clear();
}
for(i=0;i<n;i++)
{
vt[lower_bound(allv.begin(),allv.end(),dx[i])-allv.begin()].push_back(abs(ty-dy[i]));
}
set<ll> st;
pre[0]=0;
for(i=0;i<allv.size();i++)
{
sort(vt[i].begin(),vt[i].end());
for(j=0;j<vt[i].size();j++)
{
if(j+1<vt[i].size()&&vt[i][j]==vt[i][j+1])
{
if(st.find(allv[i]-vt[i][j])!=st.end())
{
st.erase(allv[i]-vt[i][j]);
}
j++;
continue;
}
if(st.find(allv[i]-vt[i][j])!=st.end())
{
st.erase(allv[i]-vt[i][j]);
}
else
{
st.insert(allv[i]-vt[i][j]);
}
}
pre[i+1]=st.size();
}
st.clear();
suf[allv.size()]=0;
for(i=allv.size()-1;i>=0;i--)
{
for(j=0;j<vt[i].size();j++)
{
if(j+1<vt[i].size()&&vt[i][j]==vt[i][j+1])
{
if(st.find(allv[i]+vt[i][j])!=st.end())
{
st.erase(allv[i]+vt[i][j]);
}
j++;
continue;
}
if(st.find(allv[i]+vt[i][j])!=st.end())
{
st.erase(allv[i]+vt[i][j]);
}
else
{
st.insert(allv[i]+vt[i][j]);
}
}
suf[i]=st.size();
}
ll mx=pre[allv.size()],mn=pre[allv.size()];
for(i=0;i<allv.size();i++)
{
mx=max(mx,pre[i]+suf[i+1]+(ll)vt[i].size());
mn=min(mn,pre[i]+suf[i+1]+(ll)vt[i].size());
if(i==allv.size()-1||allv[i]+1!=allv[i+1])
{
mx=max(mx,pre[i]+suf[i]);
mn=min(mn,pre[i]+suf[i]);
}
}
printf("%lld %lld\n",mn,mx);
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 5900kb
input:
3 3 2 1 2 2 1 3 5 3 3 2 1 2 5 4 3 2 3 1 3 4 3
output:
1 3 0 3 2 2
result:
ok 6 numbers
Test #2:
score: -100
Wrong Answer
time: 536ms
memory: 17528kb
input:
3508 6 1 7 1 1 1 9 1 10 1 3 1 4 1 3 8 8 9 8 7 1 8 9 5 10 1 10 8 10 2 5 1 9 9 5 9 10 9 6 4 4 7 6 7 10 5 3 8 9 5 9 9 7 5 4 7 10 5 6 9 9 5 6 6 9 3 3 2 5 1 3 8 6 4 5 9 10 2 2 9 10 10 10 8 4 1 7 1 6 1 3 1 5 1 2 4 9 3 3 3 4 5 3 8 9 6 9 9 6 3 9 5 9 3 2 9 9 1 9 2 4 1 5 4 5 6 6 5 9 8 4 1 2 1 5 1 7 1 3 1 9 10...
output:
6 6 1 3 1 5 4 6 2 6 0 2 4 4 2 2 4 4 4 7 4 4 9 9 4 6 0 3 4 6 2 2 2 6 10 10 9 9 1 3 2 4 0 2 2 4 4 7 6 6 9 9 2 2 2 2 3 5 1 4 2 2 1 1 3 5 4 7 3 6 1 1 5 7 5 5 1 3 2 2 3 7 1 1 4 6 2 4 3 6 2 4 1 7 2 4 9 9 0 3 1 1 3 8 2 2 2 2 9 9 3 7 4 4 4 6 2 5 2 2 2 5 3 3 1 4 4 4 2 4 2 2 4 6 6 6 6 6 0 2 2 6 2 4 2 6 2 5 1 ...
result:
wrong answer 7th numbers differ - expected: '2', found: '4'