Submission #845471


Source Code Expand

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#include<bits/stdc++.h>
using namespace std;


#define MAX 100002

int n;


vector<int> v;
vector<int> vv;
map<int, int> mp;
int main(){
	scanf("%d", &n);
	for (int i = 0; i < n; i++){
		int a;
		scanf("%d", &a);
		v.push_back(a);
		vv.push_back(a);
		mp[a] = i % 2;
	}
	sort(vv.begin(), vv.end());
	int ar[] = { 0, 0 };
	for (int i = 0; i < vv.size(); i++){
		if (mp[vv[i]] != i % 2){
			ar[i % 2]++;
		}
	}
	int k = max(ar[0], ar[1]);
	cout << k << endl;
	return 0;
}

Submission Info

Submission Time
Task C - BBuBBBlesort!
User Kmcode
Language C++14 (GCC 5.4.1)
Score 600
Code Size 502 Byte
Status AC
Exec Time 113 ms
Memory 5872 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:18:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a);
                  ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 600 / 600
Status
AC × 2
AC × 24
Set Name Test Cases
Sample s1.txt, s2.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, s1.txt, s2.txt
Case Name Status Exec Time Memory
01.txt AC 110 ms 5744 KB
02.txt AC 113 ms 5744 KB
03.txt AC 110 ms 5744 KB
04.txt AC 112 ms 5744 KB
05.txt AC 105 ms 5744 KB
06.txt AC 106 ms 5744 KB
07.txt AC 108 ms 5744 KB
08.txt AC 83 ms 5744 KB
09.txt AC 82 ms 5744 KB
10.txt AC 82 ms 5744 KB
11.txt AC 80 ms 5744 KB
12.txt AC 83 ms 5744 KB
13.txt AC 82 ms 5744 KB
14.txt AC 107 ms 5744 KB
15.txt AC 106 ms 5744 KB
16.txt AC 107 ms 5872 KB
17.txt AC 105 ms 5744 KB
18.txt AC 4 ms 256 KB
19.txt AC 4 ms 256 KB
20.txt AC 4 ms 256 KB
21.txt AC 4 ms 256 KB
22.txt AC 4 ms 256 KB
s1.txt AC 4 ms 256 KB
s2.txt AC 4 ms 256 KB