Submission #1311346

#	Time	Username	Problem	Language	Result	Execution time	Memory
1311346		putuputu	Arranging Shoes (IOI19_shoes)	C++20	Compilation error	0 ms	0 KiB

shoes

#include <bits/stdc++.h>
using namespace std;
#define int long long
int64 count_swaps(vector<int>a){
    int m=2*a.size();
    int swap=0;
    for(int pos=0; pos<m; pos+=2){
        if(a[pos]>0){
            int nl=-a[pos]; 
            int j=pos+1;
            while(j<m and a[j]!=nl){
               j++; 
            } 
            while(j>pos){
                swap(a[j], a[j-1]);
                j--;
                swap++;
            }
        }
        int nr=-a[pos];
        int j = pos + 1;
        while(j<m and a[j]!=nr){
            j++;
        } 
        while(j>pos+1){
            swap(a[j], a[j-1]);
            j--;
            swap++;
        }
    }
    return swap;
}

Compilation message (stderr)

shoes.cpp:4:1: error: 'int64' does not name a type; did you mean 'int64_t'?
    4 | int64 count_swaps(vector<int>a){
      | ^~~~~
      | int64_t