Submission #1796333

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Source Code Expand

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

const int MAXN = 1010;
int nums[MAXN];
vector<int> vec;

int main()
{
	int N,sum = 0;
	scanf("%d",&N);
	for(int i = 0; i < N; ++i)
	{
		scanf("%d",&nums[i]);
		vec.push_back(nums[i]);
	}
	sort(vec.begin(),vec.end());
	vec.erase(unique(vec.begin(),vec.end()),vec.end());
	for(int i = 0; i < vec.size(); ++i)
        sum += vec[i];
    sum /= vec.size();
	int len = vec.size(),mid;
	if(len&1) mid = vec[len/2];
	else mid = (vec[len/2]+vec[len/2-1])/2;
	int cost = 0,c2=0;
	for(int i = 0; i < N; ++i)
    {
		cost += (nums[i]-mid)*(nums[i]-mid);
        c2 += (nums[i]-sum)*(nums[i]-sum);
    }
	printf("%d\n",min(cost,c2));
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&N);
                ^
./Main.cpp:14:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&nums[i]);
                       ^

Judge Result