Submission #595880

#	Time	Username	Problem	Language	Result	Execution time	Memory
595880		AGE	Sob (COCI19_sob)	C++14	0 / 110	5 ms	340 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;

bool vis[N];
main()
{
    
    int n,m;
    cin>>n>>m;
    int cnt=0;
    for(int i=0;i<30;i++){
        if(n&(1<<i))
            cnt++;
    }
    
    if(cnt==1){
    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;
    }
    
    else{
        
    int index=-1;
    for(int i=m+n-1;i>=m;i--){
        int y=n-1;
        int x=(i&y);
        if(x==y){
            index=i;
            break;
        }
    }
 
    int indexx=index+1;
    int i=n-1;
    while(i>-1){
 
        cout<<i<<" "<<index<<endl;
        i--;
        index--;
 
        if(index==m-1)
            index=m+n-1;
 
    }
    if(i!=-1)
    cout<<i<<" "<<indexx<<endl;
    }
    return 0;

}

Compilation message (stderr)

sob.cpp:11:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   11 | main()
      | ^~~~
sob.cpp: In function 'int main()':
sob.cpp:53:18: 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]
   53 |     for(int i=0;i<v.size();i++)
      |                 ~^~~~~~~~~

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