oj.uz

Submission #959441

# Submission time Handle Problem Language Result Execution time Memory
959441 2024-04-08T08:19:09 Z NemanjaSo2005 Arranging Shoes (IOI19_shoes) C++17
0 / 100
 1 ms 348 KB 
#include "shoes.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int maxn=2e5+5;
int N,niz[maxn];
ll res=0;
int prvalev(){
   for(int i=1;i<=N;i++)
      if(niz[i]<0)
         return i;
}
int parod(int x){
   for(int i=1;i<=N;i++)
      if(niz[i]==-x)
         return i;
}
void zamena(int y,int x){
   for(int i=y;i>x;i--){
      res++;
      swap(niz[i],niz[i-1]);
   }
}
ll count_swaps(vector<int> s) {
	N=s.size();
	return (N/2-1)*(N/2);
	for(int i=0;i<N;i++)
      niz[i+1]=s[i];
   for(int i=1;i<=N;i+=2){
      int pl=prvalev();
      zamena(pl,i);
      int pd=parod(niz[i]);
     // cout<<pl<<" "<<pd<<endl;
      zamena(pd,i+1);
      niz[i]=niz[i+1]=0;
   }
   return res;
}

Compilation message

shoes.cpp: In function 'int prvalev()':
shoes.cpp:12:1: warning: control reaches end of non-void function [-Wreturn-type]
   12 | }
      | ^
shoes.cpp: In function 'int parod(int)':
shoes.cpp:17:1: warning: control reaches end of non-void function [-Wreturn-type]
   17 | }
      | ^

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Halted 0 ms 0 KB -