Submission #567720

#	Time	Username	Problem	Language	Result	Execution time	Memory
567720		zaneyu	Team Contest (JOI22_team)	C++14	0 / 100	246 ms	36120 KiB

team

/*input
8
1 1 1
1 1 5
1 5 1
5 1 1
1 5 5
5 1 5
5 5 1
5 5 5
*/
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
//order_of_key #of elements less than x
// find_by_order kth element
typedef unsigned long long int ll;

#define ld long double
#define pii pair<ll,ll>
typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
const ll maxn=2e5+5;
const ll maxlg=__lg(maxn)+2;
const ll INF64=4e18;
const int MOD=1e9+7;
const int INF=0x3f3f3f3f;
const ld PI=acos(-1);
const ld eps=1e-9;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
#define GET_POS(c,x) (lower_bound(c.begin(),c.end(),x)-c.begin())+1
template<typename T1,typename T2>
ostream& operator<<(ostream& out,pair<T1,T2> P){
    out<<P.f<<' '<<P.s;
    return out;
}
template<typename T>
ostream& operator<<(ostream& out,vector<T> V){
    REP(i,sz(V)) out<<V[i]<<((i!=sz(V)-1)?" ":"");
    return out;
}
ll mult(ll a,ll b){
    if(a<0) a+=MOD;
    return (a*b)%MOD;
}
ll mypow(ll a,ll b){
    if(b<=0) return 1;
    ll res=1LL;
    while(b){
        if(b&1) res=mult(res,a);
        a=mult(a,a);
        b>>=1;
    }
    return res;
}
map<pii,vector<int>> mp[3];
multiset<int> ms[3];
int mx[3];
int arr[maxn][3];
bool del[maxn];
int32_t main(){
    ios::sync_with_stdio(false),cin.tie(0);
    int n;
    cin>>n;
    REP(i,n){
        REP(j,3){
            cin>>arr[i][j];
            ms[j].insert(arr[i][j]);
        }
        int c=0;
        REP(a,3) REP(b,a) mp[c++][{arr[i][a],arr[i][b]}].pb(i);
    }
    REP(i,n){
        if(!sz(ms[0])) break;
        REP(j,3) mx[j]=(*ms[j].rbegin());
        set<int> ss;
        int c=0;
        REP(a,3) REP(b,a){
            for(auto z:mp[c][{mx[a],mx[b]}]){
                ss.insert(z);
            }
            mp[c][{mx[a],mx[b]}].clear();
            ++c;
        }
        for(int a:ss){
            del[a]=1;
            REP(j,3) ms[j].erase(ms[j].find(arr[a][j]));
        }
    }
    REP(j,3) mx[j]=0;
    REP(j,n){
        if(del[j]) continue;
        REP(k,3) MXTO(mx[k],arr[j][k]);
    }
    if(!mx[0]) cout<<-1;
    else cout<<mx[0]+mx[1]+mx[2];
}   

• 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