# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
879071 | 8pete8 | Team Contest (JOI22_team) | C++14 | 39 ms | 4476 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset>
#include <numeric>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<pii,int>
#define vi vector<int>
#define pb push_back
//#define p push
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-lopps")
using namespace std;
const int mod=9901,mxn=3*1e5+5;
bool del[mxn+10];
int cnt[3];
int e[mxn+10][3];
int32_t main(){
fastio
int n;cin>>n;
vector<int>v[3];
for(int i=0;i<3;i++)v[i].resize(n),iota(all(v[i]),0),cnt[i]=n-1;
for(int i=0;i<n;i++)for(int j=0;j<3;j++)cin>>e[i][j];
for(int i=0;i<3;i++)sort(all(v[i]),[&](int a,int b){return e[a][i]<e[b][i];});
while(1){
for(int i=0;i<3;i++){
while(cnt[i]>=0&&del[v[i][cnt[i]]])cnt[i]--;
if(cnt[i]<0){cout<<-1;return 0;}
}
for(int i=0;i<3;i++)for(int j=0;j<3;j++)if(i!=j&&e[v[i][cnt[i]]][i]==e[v[j][cnt[j]]][i])del[v[i][cnt[i]]]=true;
if(!del[v[0][cnt[0]]]&&!del[v[1][cnt[1]]]&&!del[v[2][cnt[2]]]){
cout<<e[v[0][cnt[0]]][0]+e[v[1][cnt[1]]][1]+e[v[2][cnt[2]]][2];
return 0;
}
}
}
Compilation message (stderr)
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