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Submission #836191

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```#include <iostream>
#include <cstdio>
#include <vector>
#include <set>
#include <deque>
#include <algorithm>
#include <queue>
#include <cmath>
#include <map>
#include <complex>
#include <cstring>
#include <iomanip>
#include <bitset>

using namespace std;
#define rep(i, a, b) for(int i = (a); i < (b); i++)
#define repd(i, a, b) for(int i = (a); i > (b); i--)
#define forIt(it, a) for(__typeof((a).begin()) it = (a).begin(); it != (a).end(); it++)
#define forRev(it, a) for(__typeof((a).rbegin()) it = (a).rbegin(); it != (a).rend(); it++)
#define ft(a) __typeof((a).begin())
#define ll long long
#define ld long double
#define fi first
#define se second
#define mk make_pair
#define pb push_back
#define sz(a) (int)(a).size()
#define all(a) (a).begin(), (a).end()
#define Rep(i,n) for(int i = 0; i < (n); ++i)
#define bitcount(n) __builtin_popcountll(n)

typedef complex<ld> cplex;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef pair<ll, ll> pll;

const int N = 1000 + 7;
const int M = 30;
const int inf = 1e9 + 7;
const long long linf = (ll) inf * inf + 7;
const double pi = acos(-1);
const double eps = 1e-20;
const bool multipleTest = false;

int n;
int a[N];

ll sqr(ll x) {
return x * x;
}

void solve() {
cin >> n;
for(int i = 0; i < n; ++i) {
scanf("%d", a + i);
}
sort(a, a + n);
ll cost = linf;
int res = a[0];

for(int i = a[0]; i <= a[n - 1]; ++i) {
ll cur = 0;
for(int j = 0; j < n; ++j)
cur += sqr(a[j] - i);
//cout << i << ' ' << cost << "\n";
if (cur < cost) {
cost = cur;
res = i;
}
}

cout << cost;

}

int main() {
//#ifndef ONLINE_JUDGE
//    freopen("in.txt", "r", stdin);
//    auto t1 = clock();
//#endif

int Test = 1;
if (multipleTest) {
cin >> Test;
}

for(int i = 0; i < Test; ++i) {
solve();
}

//#ifndef ONLINE_JUDGE
//    printf("\n%.9lf\n", (0.0 + clock() - t1) / CLOCKS_PER_SEC);
//#endif
}```

#### Submission Info

Submission Time 2016-08-13 21:09:25+0900 C - Be Together creatnx C++14 (GCC 5.4.1) 200 2199 Byte AC 4 ms 256 KB

#### Compile Error

```./Main.cpp: In function ‘void solve()’:
./Main.cpp:59:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", a + i);
^
```

#### 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 4 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