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Submission #198917

# Submission time Handle Problem Language Result Execution time Memory
198917 2020-01-28T05:42:37 Z kshitij_sodani Arranging Shoes (IOI19_shoes) C++17
25 / 100
 40 ms 2016 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
typedef  long long int llo;
#define mp make_pair
#define pb push_back
#define a first
#define b second
#include "shoes.h"
 
long long count_swaps(vector<int> s){
	long long n=s.size();
    n/=2;
	if(n==1){
		if(s[0]<0){
			return 0;
		}
		else{
			return 1;
		}
	}
	int x=s[0];
	int st=0;
	for(int i=0;i<2*n;i++){
		if(abs(s[i])!=x){
			st=1;
		}
	}
	if(st==0){
		
		long long tot=0;
		long long ind=0;
		for(long long i=0;i<2*n;i++){
			if(s[i]<0){
				tot+=abs(i-ind);
				ind+=2;
			}

		}
		long long tot2=0;
		ind=1;
		for(long long i=0;i<2*n;i++){
			if(s[i]>0){
				tot+=abs(i-ind);
				ind+=2;
			}

		}

		return min(tot,tot2);

	}

	return ((n*(n-1))/2);
 
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 376 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Incorrect 5 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Incorrect 5 ms 256 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 40 ms 2016 KB Output is correct
6 Correct 36 ms 1912 KB Output is correct
7 Correct 36 ms 1912 KB Output is correct
8 Correct 33 ms 1944 KB Output is correct
9 Correct 37 ms 1912 KB Output is correct
10 Correct 36 ms 1912 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Incorrect 5 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Incorrect 5 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -