Submission #719682

#	Time	Username	Problem	Language	Result	Execution time	Memory
719682		lam	Team Contest (JOI22_team)	C++14	37 / 100	2073 ms	4724 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;
bool cmpx(iii x, iii y)
{
    return x.ff<y.ff;
}
bool cmpy(iii x, iii y)
{
    return x.ss.ff<y.ss.ff;
}
void add(iii x)
{
    d.push_back(x);
    for (int i=d.size()-1; i>=1; i--)
        if (cmpy(d[i],d[i-1])) swap(d[i],d[i-1]);
        else break;
}
int query(iii x)
{
    int l,r;
    int mmax = -1;
    int ans=-1;
    for (int i=0; i<d.size(); i++)
    {
        if (i==0||d[i].ss.ff!=d[i-1].ss.ff) l=i;
        if (i==d.size()-1||d[i].ss.ff!=d[i+1].ss.ff)
        {
            r=i;
            for (int j=l; j<=r; j++)
                if (d[j].ss.ff > x.ss.ff)
                    if (mmax>d[j].ss.ss&&mmax>x.ss.ss) ans=max(ans,mmax+d[j].ss.ff+x.ff);
            for (int j=l; j<=r; j++) mmax=max(mmax,d[j].ss.ss);
        }
    }
    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;
    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';
}

Compilation message (stderr)

team.cpp: In function 'long long int query(iii)':
team.cpp:32:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for (int i=0; i<d.size(); i++)
      |                   ~^~~~~~~~~
team.cpp:35:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         if (i==d.size()-1||d[i].ss.ff!=d[i+1].ss.ff)
      |             ~^~~~~~~~~~~~

• 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