Submission #835667


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/*
*/

//#pragma comment(linker, "/STACK:16777216")
#define _CRT_SECURE_NO_WARNINGS

#include <fstream>
#include <iostream>
#include <string>
#include <complex>
#include <math.h>
#include <set>
#include <vector>
#include <map>
#include <queue>
#include <stdio.h>
#include <stack>
#include <algorithm>
#include <list>
#include <ctime>
#include <memory.h>
#include <assert.h>

#define y0 sdkfaslhagaklsldk
#define y1 aasdfasdfasdf
#define yn askfhwqriuperikldjk
#define j1 assdgsdgasghsf
#define tm sdfjahlfasfh
#define lr asgasgash
#define norm asdfasdgasdgsd

#define eps 1e-9
#define M_PI 3.141592653589793
#define bs 1000000007
#define bsize 350

using namespace std;

const int INF = 1e9;
const int N = 1000;

int n, ar[N];

long long eval(int x)
{
	long long res = 0;
	for (int i = 0; i < n; i++)
	{
		int dif = abs(ar[i] - x);
		res += dif*dif;
	}
	return res;
}

int main(){
	//freopen("fabro.in","r",stdin);
	//freopen("fabro.out","w",stdout);
	//freopen("F:/in.txt", "r", stdin);
	//freopen("F:/output.txt", "w", stdout);
	ios_base::sync_with_stdio(0);
	//cin.tie(0);

	cin >> n;
	for (int i = 0; i < n; i++)
	{
		cin >> ar[i];
	}

	long long ans = 1e18;
	for (int res = -100; res <= 100; res++)
	{
		long long pen = eval(res);
		ans = min(ans, pen);
	}
	cout << ans << endl;

	cin.get(); cin.get();
	return 0;
}

Submission Info

Submission Time
Task C - Be Together
User LeBron
Language C++14 (GCC 5.4.1)
Score 200
Code Size 1398 Byte
Status AC
Exec Time 6 ms
Memory 256 KB

Compile Error

./Main.cpp:33:0: warning: "M_PI" redefined
 #define M_PI 3.141592653589793
 ^
In file included from /usr/include/c++/5/cmath:44:0,
                 from /usr/include/c++/5/complex:44,
                 from ./Main.cpp:10:
/usr/include/math.h:372:0: note: this is the location of the previous definition
 # define M_PI  3.14159265358979323846 /* pi */
 ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 4
AC × 15
Set Name Test Cases
Sample 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt
All 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt
Case Name Status Exec Time Memory
0_000.txt AC 4 ms 256 KB
0_001.txt AC 6 ms 256 KB
0_002.txt AC 4 ms 256 KB
0_003.txt AC 4 ms 256 KB
1_004.txt AC 4 ms 256 KB
1_005.txt AC 4 ms 256 KB
1_006.txt AC 4 ms 256 KB
1_007.txt AC 4 ms 256 KB
1_008.txt AC 4 ms 256 KB
1_009.txt AC 4 ms 256 KB
1_010.txt AC 4 ms 256 KB
1_011.txt AC 4 ms 256 KB
1_012.txt AC 4 ms 256 KB
1_013.txt AC 4 ms 256 KB
1_014.txt AC 4 ms 256 KB