Submission #822756

#	Time	Username	Problem	Language	Result	Execution time	Memory
822756		vjudge1	Arranging Shoes (IOI19_shoes)	C++17	Compilation error	0 ms	0 KiB

shoes

#include "shoes.h"

#include <bits/stdc++.h>



using namespace std;

const int N = 1e5 + 9;
int a[N] = {} , b[N] = {};


int count_swaps(vector<int>v){
    int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
    i = 1;
    n = v.size();
    map<int,deque<int>>mp;
    for(auto to : v){
        if(mp[-to].size()){
            a[i]++;
            b[i] = mp[-to].back();
            a[b[i] - 1]--;
        }else {
            mp[to].push_back(i);
        }
        i++;
    }
    for(i = n; i >= 1; i--)
        a[i] += a[i + 1];
    for(i = 1; i <= n; i++){
        if(b[i]){
            s += i - b[i];
            if(v[i - 1] > 0)
                s--;
            if(i - 1 >= i)
            s -= a[i - 1] - a[i];
        }
    }
    return s;
}

Compilation message (stderr)

shoes.cpp:13:5: error: ambiguating new declaration of 'int count_swaps(std::vector<int>)'
   13 | int count_swaps(vector<int>v){
      |     ^~~~~~~~~~~
In file included from shoes.cpp:1:
shoes.h:7:11: note: old declaration 'long long int count_swaps(std::vector<int>)'
    7 | long long count_swaps(std::vector<int> S);
      |           ^~~~~~~~~~~
shoes.cpp: In function 'int count_swaps(std::vector<int>)':
shoes.cpp:14:9: warning: unused variable 'q' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |         ^
shoes.cpp:14:17: warning: unused variable 'j' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                 ^
shoes.cpp:14:21: warning: unused variable 'm' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                     ^
shoes.cpp:14:27: warning: unused variable 'z' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                           ^
shoes.cpp:14:38: warning: unused variable 'f' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                                      ^
shoes.cpp:14:42: warning: unused variable 'l' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                                          ^
shoes.cpp:14:46: warning: unused variable 'r' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                                              ^
shoes.cpp:14:50: warning: unused variable 'k' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                                                  ^
shoes.cpp:14:54: warning: unused variable 'x' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                                                      ^
shoes.cpp:14:58: warning: unused variable 'y' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                                                          ^
shoes.cpp:14:62: warning: unused variable 'mn' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                                                              ^~
shoes.cpp:14:72: warning: unused variable 'mx' [-Wunused-variable]
   14 |     int q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 0 , mx = 0;
      |                                                                        ^~