Submission #567909

#	Time	Username	Problem	Language	Result	Execution time	Memory
567909		zaneyu	Flights (JOI22_flights)	C++17	30 / 100	426 ms	13580 KiB

Ali

#include "Ali.h"
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<long long,null_type,less_equal<long long>,rb_tree_tag,tree_order_statistics_node_update> indexed_set;
#pragma GCC optimize("Ofast")
//#pragma GCC target("avx2")
//order_of_key #of elements less than x
// find_by_order kth element
using ll=long long;
using ld=long double;
using pii=pair<int,int>;
#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()
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()),c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
const ll maxn=5e5+5;
const ll maxlg=__lg(maxn)+2;
const ll INF64=4e18;
const int INF=0x3f3f3f3f;
const ll MOD=1e9+7;
const ld PI=acos(-1);
const ld eps=1e-6;
#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)
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;
}
namespace {

int variable_example = 0;

}
vector<int> v[maxn];
int n;
void Init(int N, std::vector<int> U, std::vector<int> V) {
    n=N;
    REP(i,n) v[i].clear();
    REP(i,n-1){
        v[U[i]].pb(V[i]);
        v[V[i]].pb(U[i]);
    }
    REP(i,n) SetID(i,i);
}
int dep[maxn];
void dfs(int u,int p){
    //cout<<u<<' '<<dep[u]<<'\n';
    for(int x:v[u]){
        if(x==p) continue;
        dep[x]=dep[u]+1;
        dfs(x,u);
    }
}
std::string SendA(std::string S) {
    int x=0;
    REP(i,10){
        x=(x*2)+(S[i]-'0');
    }
    int y=0;
    REP(i,10){
        y=(y*2)+(S[i+10]-'0');
    }
    vector<int> vv;
    vector<vector<int>> tmp;
    REP(i,n){
        if(i%1024==x){
            vector<int> dst;
            dep[i]=0;
            dfs(i,-1);
            REP(a,n) dst.pb(dep[a]);
            tmp.pb(dst);
            vv.pb(i);
        }
    }
    string ans="";
    REP(i,n){
        if(i%1024==y){
            REP(j,sz(vv)){
                if(vv[j]>=i) break;
                int d=tmp[j][i];
                REP(j,14){
                    bool z=(d&(1<<(13-j)));
                    ans.pb('0'+z);
                }
            }
        }
    }
    return ans;
}

Benjamin

#include "Benjamin.h"
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<long long,null_type,less_equal<long long>,rb_tree_tag,tree_order_statistics_node_update> indexed_set;
#pragma GCC optimize("Ofast")
//#pragma GCC target("avx2")
//order_of_key #of elements less than x
// find_by_order kth element
using ll=long long;
using ld=long double;
using pii=pair<int,int>;
#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()
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()),c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
const ll maxn=5e5+5;
const ll maxlg=__lg(maxn)+2;
const ll INF64=4e18;
const int INF=0x3f3f3f3f;
const ll MOD=1e9+7;
const ld PI=acos(-1);
const ld eps=1e-6;
#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)
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;
}
namespace {

int variable_example = 0;
int n,x,y;
}
std::string SendB(int N, int X, int Y) {
    if(X>Y) swap(X,Y);
    n=N,x=X,y=Y;
    string ans="";
    REP(i,10){
        bool a=(X&(1<<(9-i)));
        ans.pb('0'+a);
    }
    REP(i,10){
        bool a=(Y&(1<<(9-i)));
        ans.pb('0'+a);
    }
    return ans;
}

int Answer(std::string T) {
    vector<int> v1,v2;
    REP(i,n) if(i%1024==x%1024) v1.pb(i);
    REP(i,n) if(i%1024==y%1024) v2.pb(i);
    int c=0;
    for(int a:v2){
        for(int b:v1){
            if(b>=a) break;
            if(b==x and a==y){
                int ans=0;
                REP(j,14){
                    ans=ans*2+(T[c*14+j]-'0');
                }
                return ans;    
            }
            ++c;
        }
    }

}

Compilation message (stderr)

Ali.cpp:46:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
   46 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~
grader_ali.cpp:10:8: warning: '{anonymous}::_randmem' defined but not used [-Wunused-variable]
   10 |   char _randmem[12379];
      |        ^~~~~~~~

Benjamin.cpp: In function 'int Answer(std::string)':
Benjamin.cpp:65:17: warning: control reaches end of non-void function [-Wreturn-type]
   65 |     vector<int> v1,v2;
      |                 ^~
Benjamin.cpp: At global scope:
Benjamin.cpp:46:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
   46 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 15 / 85