Submission #1364198

#	Time	Username	Problem	Language	Result	Execution time	Memory
1364198		kmath628	버블 정렬 (OJUZ10_bubblesort)	C++20	100 / 100	32 ms	3452 KiB

bubblesort

#include <bits/stdc++.h>
using namespace std;
int a[100009],inv[100009],s[100009];
vector<pair<int,int> > recur(int l, int r){
    if(l==r)
        return {make_pair(a[l],l)};
    int mid=(l+r)/2,p=0,q=0;
    vector<pair<int,int> > a=recur(l,mid),b=recur(mid+1,r),c;
    while(p<a.size() && q<b.size()){
        if(a[p]<b[q]) c.push_back(a[p++]);
        else{
            inv[b[q].second]+=a.size()-p;
            c.push_back(b[q++]);
        }
    }
    while(p<a.size()) c.push_back(a[p++]);
    while(q<b.size()) c.push_back(b[q++]);
    return c;
}
int main(){
    int n,k,i,p=0;
    scanf("%d %d",&n,&k);
    for(i=1;i<=n;i++)
        scanf("%d",&a[i]);
    recur(1,n);
    vector<int> b;
    for(i=1;i<=n;i++){
        if(inv[i]>=k) s[i-k]=a[i];
        else b.push_back(a[i]);
    }
    sort(b.begin(),b.end());
    for(i=1;i<=n;i++){
        if(s[i]==0) s[i]=b[p++];
    }
    for(i=1;i<=n;i++) printf("%d ",s[i]);
    printf("\n");
    return 0;
}

Compilation message (stderr)

bubblesort.cpp: In function 'int main()':
bubblesort.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |     scanf("%d %d",&n,&k);
      |     ~~~~~^~~~~~~~~~~~~~~
bubblesort.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |         scanf("%d",&a[i]);
      |         ~~~~~^~~~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 23 / 23
• Subtask 3: 47 / 47
• Subtask 4: 19 / 19