Submission #2875583

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

typedef double D;
typedef long long int LL;

#define st first
#define nd second
#define pb push_back
#define PLL pair <LL, LL>
#define PII pair <int, int>

const int N = 1e6 + 7;
const int MX = 1e9 + 7;
const LL INF = 1e18 + 9LL;

int n;
int tab[N];
int help[N];

int main(){
	scanf("%d", &n);
	for(int i = 1; i <= n; ++i)
		scanf("%d", &tab[i]),
		help[i] = tab[i] - i;
	
	sort(help + 1, help + n + 1);
	int b = help[(n + 1) / 2];
	
	LL res = 0LL;
	for(int i = 1; i <= n; ++i)
		res += abs(tab[i] - i - b);
	printf("%lld\n", res);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:23:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:26:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   help[i] = tab[i] - i;
                       ^

Judge Result