Submission #719693

#	Time	Username	Problem	Language	Result	Execution time	Memory
719693		lam	Team Contest (JOI22_team)	C++14	0 / 100	1 ms	340 KiB

team

#include <bits/stdc++.h>
#define int long long
using namespace std;
const int maxn = 1e5 + 5e4 + 10;
typedef pair<int,int> ii;
typedef pair<int,ii> iii;
#define ff first
#define ss second
int n;
iii a[maxn];
vector <iii> d;
map<ii,bool> mp;
int mmin[maxn],mmax[maxn];
void add(iii x)
{
    int y = x.ss.ff;
    for (int i=y+1; i<=300; i++) mmax[i]=max(mmax[i],x.ss.ss);
    mmin[y]=min(mmin[y],x.ss.ss);
}
int query(iii x)
{
    int y=x.ss.ff;
    int ans=-1;
    for (int i=y+1; i<=300; i++)
        if (mmin[i]!=1e9&&mmax[i-1]!=-1e9&&mmax[i-1]>mmin[i]&&mmax[i-1]>x.ss.ss) ans=max(ans,mmax[i-1]+i+x.ff);
    return ans;
}
signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);
    cin>>n;
    for (int i=1; i<=n; i++) cin>>a[i].ff>>a[i].ss.ff>>a[i].ss.ss;
    for (int i=0; i<=4000; i++)
        mmin[i] = 1e9, mmax[i]=-1e9;
    sort(a+1,a+n+1);
    d.clear();
    int l,r;
    int ans=-1;
    for (int i=1; i<=n; i++)
    {
        if (i==1||a[i].ff!=a[i-1].ff) l=i;
        if (i==n||a[i].ff!=a[i+1].ff)
        {
            r=i;
            for (int j=l; j<=r; j++) ans=max(ans,query(a[j]));
            for (int j=l; j<=r; j++) add(a[j]);
        }
    }
    cout<<ans<<'\n';
}

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