Submission #1004026

#	Time	Username	Problem	Language	Result	Execution time	Memory
1004026		edogawa_something	Team Contest (JOI22_team)	C++17	37 / 100	2101 ms	195804 KiB

team

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
#define F first 
#define S second 
#define all(v) v.begin(),v.end()
#define pb push_back
#define pow poww
const int M=5100;
const ll mod=998244353;
const ll inf=2e18;
const ll dx[]={1,-1,0,0};
const ll dy[]={0,0,1,-1};
ll pow(ll x,ll y){
  ll res=1;
  x%=mod;
  while(y>0){
    if(y%2==1){
      res*=x,res%=mod;
    }
    x*=x,x%=mod;
    y/=2;
  }
  return res;
}
ll n,ma[M][M],a[M],b[M],c[M],rv1[M],rv2[M],rv3[M];
int main(){
  ios_base::sync_with_stdio(0),cin.tie(0);
  ll TC=1;
  //cin>>TC;
  while(TC--){
    cin>>n;
    set<ll>s1,s2,s3;
    map<ll,ll>mp;
    for(int i=0;i<n;i++){
      cin>>a[i]>>b[i]>>c[i];
      s1.insert(a[i]),s2.insert(b[i]),s3.insert(c[i]);
    }
    ll t=0;
    for(auto it:s1)
    mp[it]=++t,rv1[t]=it;
    for(int i=0;i<n;i++)
    a[i]=mp[a[i]];
    t=0,mp.clear();
    for(auto it:s2)
    mp[it]=++t,rv2[t]=it;
    for(int i=0;i<n;i++)
    b[i]=mp[b[i]];
    mp.clear(),t=0;
    for(auto it:s3)
    mp[it]=++t,rv3[t]=it;
    for(int i=0;i<n;i++)
    c[i]=mp[c[i]];
    mp.clear(),t=0;
    for(int i=0;i<n;i++)
    ma[a[i]][b[i]]=max(ma[a[i]][b[i]],c[i]);
    for(int i=0;i<=n;i++){
      for(int j=1;j<=n;j++)
      ma[i][j]=max(ma[i][j-1],ma[i][j]);
    }
    for(int j=0;j<=n;j++){
      for(int i=1;i<=n;i++)
      ma[i][j]=max(ma[i][j],ma[i-1][j]);
    }
    ll ans=-1;
    for(int i=0;i<n;i++){
      for(int j=0;j<n;j++){
        if(i==j)
        continue;
        if(a[i]==a[j]||b[i]==b[j])
        continue;
        if(((a[i]>a[j])^(b[i]>b[j]))==0)
        continue;
        if(ma[max(a[i],a[j])-1][max(b[i],b[j])-1]<=max(c[i],c[j]))
        continue;
        ans=max(ans,rv1[max(a[i],a[j])]+rv2[max(b[i],b[j])]+rv3[ma[max(a[i],a[j])-1][max(b[i],b[j])-1]]);
      }
    }
    cout<<ans;
  }
  return 0;
}
/*

*/

• Subtask 1: 8 / 8
• Subtask 2: 29 / 29
• Subtask 3: 0 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 27