oj.uz

Submission #596044

# Submission time Handle Problem Language Result Execution time Memory
596044 2022-07-14T09:30:21 Z AGE Sob (COCI19_sob) C++14
68 / 110
 375 ms 57128 KB 
#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

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 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 24 ms 47196 KB Integer parameter [name=x] equals to 512, violates the range [0, 127]
2 Halted 0 ms 0 KB -

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 47352 KB Output is correct
2 Correct 25 ms 47352 KB Output is correct
3 Correct 26 ms 47344 KB Output is correct
4 Correct 27 ms 47188 KB Output is correct
5 Correct 25 ms 47232 KB Output is correct
6 Correct 375 ms 57128 KB Output is correct
7 Correct 200 ms 51952 KB Output is correct

Subtask #3
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 47188 KB Output is correct
2 Correct 24 ms 47316 KB Output is correct
3 Correct 24 ms 47308 KB Output is correct
4 Correct 28 ms 47416 KB Output is correct
5 Correct 23 ms 47232 KB Output is correct
6 Correct 28 ms 47572 KB Output is correct
7 Correct 25 ms 47624 KB Output is correct

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 24 ms 47196 KB Integer parameter [name=x] equals to 512, violates the range [0, 127]
2 Halted 0 ms 0 KB -