Submission #769186

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
769186	2023-06-29 09:33:04	Andrey	Arranging Shoes (IOI19_shoes)	C++14	Compilation error	0 ms	0 KiB

shoes

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#include <bits/stdc++.h>
using namespace std;
long long haha[200001][19];
void add(long long a) {
    for(long long i = 0; i < 19; i++) {
        a-=(a%(1 << i));
        haha[a][i]++;
    }
}
long long calc(long long a, long long b) {
    long long j = 0;
    long long ans = 0;
    while(a < b) {
        j = 0;
        while(a%(1 << j) == 0 && a+(1 << j) <= b) {
            j++;
        }
        j--;
        ans+=haha[a][j];
        a+=(1 << j);
    }
    return ans+haha[b][0];
}
long long count_swaps(int[] s) {
    const long long y = 100000;
    long long n = (*(&s + 1) - s)/2,p,a,ans = 0;
 
 
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Compilation message (stderr)

shoes.cpp:28:29: error: expected ',' or '...' before 's'
   28 | long long count_swaps(int[] s) {
      |                             ^
shoes.cpp: In function 'long long int count_swaps(int*)':
shoes.cpp:30:23: error: 's' was not declared in this scope
   30 |     long long n = (*(&s + 1) - s)/2,p,a,ans = 0;
      |                       ^
shoes.cpp:50:17: error: 'p' was not declared in this scope
   50 |                 p = yeah[-bruh[i]+y][yeah[-bruh[i]+y].size()-1];
      |                 ^
shoes.cpp:51:17: error: 'a' was not declared in this scope
   51 |                 a = 0;
      |                 ^
shoes.cpp:54:17: error: 'p' was not declared in this scope
   54 |                 p = yeah[-bruh[i]+y][yeah[-bruh[i]+y].size()-1];
      |                 ^
shoes.cpp:55:17: error: 'a' was not declared in this scope
   55 |                 a = 1;
      |                 ^
shoes.cpp:58:18: error: 'p' was not declared in this scope
   58 |             bruh[p] = -INT_MAX;
      |                  ^
shoes.cpp:59:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   59 |             ans += p-i-1-calc(i,p-1)+a;
      |             ^~~
      |             abs
shoes.cpp:59:38: error: 'a' was not declared in this scope
   59 |             ans += p-i-1-calc(i,p-1)+a;
      |                                      ^
shoes.cpp:64:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   64 |     cout << ans;
      |             ^~~
      |             abs