Submission #145749

#	Time	Username	Problem	Language	Result	Execution time	Memory
145749		AKaan37	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	67 ms	56192 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(lo i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 1000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;

lo a[li],cev,hak[li],hak1[li],butun,butun1,farkli,farkli1,vis[li],vis1[li],yer;
vector<int> vv;
vector<PII> sag[li];
vector<PII> sol[li];

long long count_swaps(vector<int> v) {
	//~ cout<<"**\n";
	
	//~ int cev=0;
	for(lo i=0;i<(lo)v.size();i++){
		
		//~ cout<<butun<<endl;
		if(v[i]<0){
			if((lo)sag[-v[i]].size()-hak[-v[i]]>0){
				
				lo at=v[i];
				memset(vis,0,sizeof(vis));
				//~ cout<<sag[-v[i]][hak[-v[i]]-1].fi<<endl;
				vis[v[i]]++;
				for(lo j=i;j>=0;j--){
					vis[v[j-1]]++;
					swap(v[j],v[j-1]);
					cev++;
					//~ cout<<vis[-at]<<" "<<i<<endl;
					if(vis[-at]==(lo)sag[-at].size()-hak[-at])break;
					//~ cout<<j<<" "<<j-1<<" "<<" "<<endl;
				}
				hak[-at]++;
				//~ cout<<"**\n";
			}
			else{sol[-v[i]].pb(mp(i,butun1));}
			
		}
		else{
			lo at=v[i];
			if((lo)sol[v[i]].size()-hak1[v[i]]>0){
				
				memset(vis,0,sizeof(vis));
				vis[v[i]]++;
				for(lo j=i;j>=0;j--){
					if(vis[-at]==(lo)sol[v[i]].size()-hak1[v[i]])break;
					vis[v[j-1]]++;
					if(vis[-at]==(lo)sol[v[i]].size()-hak1[v[i]])break;
					swap(v[j],v[j-1]);
					cev++;
				}
				hak1[at]++;
			}
			else{sag[v[i]].pb(mp(i,butun));}
		}
		
	}
	return cev;
}

//~ int main(){
	//~ lo n=0;
	//~ scanf("%lld",&n);
	//~ FOR{
		
		//~ scanf("%lld",&a[i]);
		//~ ////~ if(a[i]<0)
		//~ vv.pb(a[i]);
	//~ }
	//~ ////~ cout<<vv[0]<<endl;
	//~ lo at=count_swaps(vv);
	//~ printf("%lld\n",at);
//~ }

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15