Submission #314195

#	Time	Username	Problem	Language	Result	Execution time	Memory
314195		ShiftyBlock	Arranging Shoes (IOI19_shoes)	C++14	Compilation error	0 ms	0 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"
#define rep(i,a,b) for(int i=a; i<b; i++)
// #define int long long
using namespace std;
int count_swaps(vector<int> arr){
	int N=arr.size();
	int total=0;
    for (int i = 0; i < N; ++i)
    {
    	if(arr[i]==0) continue;
    	int free=0;
    	int end=-1;
    	rep(j,i+1,N){
    		if(arr[j]==-arr[i]){
    			end=j; break;
    		}
    		if(arr[j]==0) free++;
    	}	
    	arr[end]=0;
    	if(arr[i]<0) total--;
    	total+=end-i;
    }
    return total;
}

Compilation message (stderr)

shoes.cpp:6:5: error: ambiguating new declaration of 'int count_swaps(std::vector<int>)'
    6 | int count_swaps(vector<int> arr){
      |     ^~~~~~~~~~~
In file included from shoes.cpp:2:
shoes.h:7:11: note: old declaration 'long long int count_swaps(std::vector<int>)'
    7 | long long count_swaps(std::vector<int> S);
      |           ^~~~~~~~~~~