Submission #596044

#	Time	Username	Problem	Language	Result	Execution time	Memory
596044		AGE	Sob (COCI19_sob)	C++14	68 / 110	375 ms	57128 KiB

sob

#include<bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define int long long

using namespace std;
const int N=2e6+10,M=2e3,mod=10;
int vis[N],cnt=1,mt[N];
vector<int>adj[N];

bool trykuhn(int node){

    if(vis[node]==cnt)
        return 0;

    vis[node]=cnt;

    for(auto x:adj[node]){
        if(mt[x]==-1){
            mt[x]=node;
            return 1;
        }
    }

    for(auto x:adj[node]){

        if(trykuhn(mt[x])){
            mt[x]=node;return 1;
        }

    }

    return 0;

}
main()
{

        int n,m;
        cin>>n>>m;

    if(n+m<=1000){
        for(int i=0;i<n;i++){
            for(int j=m;j<n+m;j++){

                if((i&j)==i)
                    adj[i].pb(j),adj[j].pb(i);
            }
        }

        for(int i=0;i<n+m;i++)
            mt[i]=-1;


        for(int i=0;i<n;i++){
            trykuhn(i),cnt++;
        }

        for(int i=0;i<n;i++)
            cout<<mt[i+m]<<" "<<i+m<<endl;
    }

    else{

        vector<pair<int,int>>v;

        for(int i=m;i<n+m;i++){

            bitset<32>bt;
            int num=0;
            bt=i;

            for(int j=0;j<31;j++){
                if(bt[j]==1){
                    num+=(1<<j);

                    if(vis[num]==0){
                        vis[num]=1;
                        break;
                    }
                }
            }


            if(num==n){
                num=0;
            }

            v.pb({num,i});

        }

        sort(v.begin(),v.end());

        for(int i=0;i<v.size();i++)
            cout<<v[i].F<<" "<<v[i].S<<endl;

    }
    return 0;

}

Compilation message (stderr)

sob.cpp:37:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   37 | main()
      | ^~~~
sob.cpp: In function 'int main()':
sob.cpp:96:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |         for(int i=0;i<v.size();i++)
      |                     ~^~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 29 / 29
• Subtask 3: 39 / 39
• Subtask 4: 0 / 32