Submission #1018839

#	Time	Username	Problem	Language	Result	Execution time	Memory
1018839		amirhoseinfar1385	Sorting (IOI15_sorting)	C++17	Compilation error	0 ms	0 KiB

sorting

#include "sorting.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=1000000+10;
int all[maxn],n,q,fake[maxn],vis[maxn];
pair<int,int>alltagh[maxn];

vector<vector<int>> besaz(int ind){
	vector<vector<int>>ret;
	for(int i=0;i<n;i++){
		fake[i]=all[i];
		vis[i]=0;
	}
	for(int i=1;i<=ind;i++){
		swap(fake[alltagh[i].first],fake[alltagh[i].second]);
	}
	for(int i=0;i<n;i++){
		if(vis[i]==0){
			ret.push_back({});
			int now=i;
			while(vis[now]==0){
		//		cout<<now<<" "<<fake[now]<<endl;
				vis[now]=1;
				ret.back().push_back(now);
				now=fake[now];
			}
		}
	}
	return ret;
}

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    n=N;
    for(int i=0;i<n;i++){
    	all[i]=S[i];
    }
    q=M;
    for(int i=1;i<=q;i++){
    	alltagh[i]=make_pair(X[i-1],Y[i-1]);
    }
   	vector<vector<int>>ger=besaz(q);
   	int now=0;
   	for(int i=0;i<(int)ger.size();i++){
   		int tof=gr[i][0];
   		for(int j=1;j<(int)ger[i].size();j++){
   			P[now]=ger[i][j];
   			Q[now]=tof;
   			now++;
   		}
   	}
	return q;
}

Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:44:14: error: 'gr' was not declared in this scope; did you mean 'ger'?
   44 |      int tof=gr[i][0];
      |              ^~
      |              ger