Submission #892567

#	Time	Username	Problem	Language	Result	Execution time	Memory
892567		ReLice	Team Contest (JOI22_team)	C++14	100 / 100	396 ms	32444 KiB

team

#include <bits/stdc++.h>
#define ll long long
#define str string
#define ins insert
#define ld long double
#define pb push_back
#define pf push_front
#define pof pop_front()
#define pob pop_back()
#define lb lower_bound
#define ub upper_bound
#define endl "\n"
#define fr first
#define sc second
#define mpa make_pair
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define sz size()
#define bc back()
#define ar array
#define vll vector<ll> 
using namespace std;/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;*/
template <class _T>
bool chmin(_T &x, const _T &y){
    if(x>y){
        x=y;
        return true;
    }
    return false;
}
template <class _T>
bool chmax(_T &x, const _T &y){
    bool flag=false;
    if (x<y){
        x=y;flag|=true;
    }
    return flag;
}
//#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
void start(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
const ll inf=2e18+7;
const ll mod=1e9+7;
const ll N=2e5+7;
const ld eps=1e-9;

void solve(){
	ll i;
	ll n,k;
	cin>>n;
	ll xx[n],yy[n],zz[n];
	set<pair<ll,ll>> x,y,z;
	for(i=0;i<n;i++){
		ll a,b,c;
		cin>>a>>b>>c;
		xx[i]=a;
		yy[i]=b;
		zz[i]=c;
		x.ins({a,i});
		y.ins({b,i});
		z.ins({c,i});
	}
	for(i=0;i<n;i++){
		vector<ll> v;
		v.pb(x.rbegin()->sc);
		v.pb(y.rbegin()->sc);
		v.pb(z.rbegin()->sc);
		if(yy[v[1]]==yy[v[0]] || zz[v[0]]==zz[v[2]]){
			x.erase(x.find({xx[v[0]],v[0]}));
			y.erase(y.find({yy[v[0]],v[0]}));
			z.erase(z.find({zz[v[0]],v[0]}));
		}else if(xx[v[1]]==xx[v[0]] || zz[v[1]]==zz[v[2]]){
			x.erase(x.find({xx[v[1]],v[1]}));
			y.erase(y.find({yy[v[1]],v[1]}));
			z.erase(z.find({zz[v[1]],v[1]}));
		}else if(xx[v[2]]==xx[v[0]] || yy[v[1]]==yy[v[2]]){
			x.erase(x.find({xx[v[2]],v[2]}));
			y.erase(y.find({yy[v[2]],v[2]}));
			z.erase(z.find({zz[v[2]],v[2]}));
		}else{
			cout<<xx[v[0]]+yy[v[1]]+zz[v[2]]<<endl;
			return;
		}
	}
	cout<<-1<<endl;
}
signed main(){
	start();
    ll t=1;
	//cin>>t;
    while(t--) solve();
    return 0;
}
/*
1
7
1 2
2 3
3 4
4 5
3 6
6 7
2
4 1
5 7






*/

Compilation message (stderr)

team.cpp: In function 'void solve()':
team.cpp:56:7: warning: unused variable 'k' [-Wunused-variable]
   56 |  ll n,k;
      |       ^
team.cpp: In function 'void fre(std::string)':
team.cpp:43:27: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 | void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
      |                    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
team.cpp:43:64: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 | void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
      |                                                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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