# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
879064 | 8pete8 | Team Contest (JOI22_team) | C++14 | 55 ms | 5724 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>
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;
vector<pii>v[3];
vector<int>e[3];
int cnt[3];
bitset<mxn+10>del;
int32_t main(){
fastio
int n;cin>>n;
del.reset();
for(int i=0;i<3;i++)e[i].resize(n),v[i].resize(n),cnt[i]=0;;
for(int i=0;i<n;i++)for(int j=0;j<3;j++)cin>>e[j][i],v[j][i]={e[j][i],i};
for(int j=0;j<3;j++)sort(rall(v[j]));
bool yes=false;
while(cnt[0]<n&&cnt[1]<n&&cnt[2]<n){
yes=false;
for(int i=0;i<3;i++){
while(cnt[i]<n&&del[v[i][cnt[i]].s])cnt[i]++;
if(cnt[i]>=n){cout<<-1;return 0;}
}
for(int i=0;i<3;i++)for(int j=0;j<3;j++)if(i!=j&&v[i][cnt[i]].f<=e[i][v[j][cnt[j]].s])del[v[i][cnt[i]].s]=true;
if(!del[v[0][cnt[0]].s]&&!del[v[1][cnt[1]].s]&&!del[v[2][cnt[2]].s]){
cout<<v[0][cnt[0]].f+v[1][cnt[1]].f+v[2][cnt[2]].f;
return 0;
}
}
cout<<-1;
}
Compilation message (stderr)
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