ShaysXIA/CodeInsightBench huggingface dataset:
Problem: 2062C - Cirno and Operations
Language: Java 8


Submission (verdict: Wrong answer on test 2):
// "static void main" must be defined in a public class.
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner Sc = new Scanner(System.in);
        int t = Sc.nextInt();
        Sc.nextLine();
        for(int i=0; i<t; i++) {
            int n = Sc.nextInt();
            int[] arr = new int[n];
            for(int j=0; j<n; j++) {
                arr[j] = Sc.nextInt();
            }
            Solution s1 = new Solution();
            System.out.println(s1.maxSum(arr));
        }
    }
}

class Solution {
    public int maxSum(int[] arr) {
        if(arr.length == 1)
            return arr[0];
        int n = arr.length;
        int sum = 0;
        for(int i=0; i<n; i++) {
            sum += arr[i];
        }
        while(n > 1) {
            for(int i=0; i<n-1; i++) {
                arr[i] = arr[i] - arr[i+1];
            }
            n--;
        }
        return Math.max(sum, Math.abs(arr[0]));
    }
}
Problem: 2062C - Cirno and Operations
Language: Java 8

Previous submission (verdict: Wrong answer on test 2):
// "static void main" must be defined in a public class.
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner Sc = new Scanner(System.in);
        int t = Sc.nextInt();
        Sc.nextLine();
        for(int i=0; i<t; i++) {
            int n = Sc.nextInt();
            int[] arr = new int[n];
            for(int j=0; j<n; j++) {
                arr[j] = Sc.nextInt();
            }
            Solution s1 = new Solution();
            System.out.println(s1.maxSum(arr));
        }
    }
}

class Solution {
    public int maxSum(int[] arr) {
        if(arr.length == 1)
            return arr[0];
        int n = arr.length;
        int sum = 0;
        for(int i=0; i<n; i++) {
            sum += arr[i];
        }
        while(n > 1) {
            for(int i=0; i<n-1; i++) {
                arr[i] = arr[i] - arr[i+1];
            }
            n--;
        }
        return Math.max(sum, Math.abs(arr[0]));
    }
}


Submission (verdict: Wrong answer on test 2):
// "static void main" must be defined in a public class.
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner Sc = new Scanner(System.in);
        int t = Sc.nextInt();
        Sc.nextLine();
        for(int i=0; i<t; i++) {
            int n = Sc.nextInt();
            long[] arr = new long[n];
            for(int j=0; j<n; j++) {
                arr[j] = Sc.nextInt();
            }
            Solution s1 = new Solution();
            System.out.println(s1.maxSum(arr));
        }
    }
}

class Solution {
    public long maxSum(long[] arr) {
        if(arr.length == 1)
            return arr[0];
        int n = arr.length;
        long sum = 0;
        for(int i=0; i<n; i++) {
            sum += arr[i];
        }
        while(n > 1) {
            for(int i=0; i<n-1; i++) {
                arr[i] = arr[i] - arr[i+1];
            }
            n--;
        }
        return Math.max(sum, Math.abs(arr[0]));
    }
}
Problem: 2062C - Cirno and Operations
Language: Java 8

Previous submission (verdict: Wrong answer on test 2):
// "static void main" must be defined in a public class.
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner Sc = new Scanner(System.in);
        int t = Sc.nextInt();
        Sc.nextLine();
        for(int i=0; i<t; i++) {
            int n = Sc.nextInt();
            long[] arr = new long[n];
            for(int j=0; j<n; j++) {
                arr[j] = Sc.nextInt();
            }
            Solution s1 = new Solution();
            System.out.println(s1.maxSum(arr));
        }
    }
}

class Solution {
    public long maxSum(long[] arr) {
        if(arr.length == 1)
            return arr[0];
        int n = arr.length;
        long sum = 0;
        for(int i=0; i<n; i++) {
            sum += arr[i];
        }
        while(n > 1) {
            for(int i=0; i<n-1; i++) {
                arr[i] = arr[i] - arr[i+1];
            }
            n--;
        }
        return Math.max(sum, Math.abs(arr[0]));
    }
}


Submission (verdict: Wrong answer on test 2):
// "static void main" must be defined in a public class.
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner Sc = new Scanner(System.in);
        int t = Sc.nextInt();
        Sc.nextLine();
        for(int i=0; i<t; i++) {
            int n = Sc.nextInt();
            long[] arr = new long[n];
            for(int j=0; j<n; j++) {
                arr[j] = Sc.nextInt();
            }
            Solution s1 = new Solution();
            System.out.println(s1.maxSum(arr));
        }
    }
}

class Solution {
    public long maxSum(long[] arr) {
        if(arr.length == 1)
            return arr[0];
        int n = arr.length;
        long sum = 0;
        for(int i=0; i<n; i++) {
            sum += arr[i];
        }
        while(n > 1) {
            long temp = 0;
            for(int i=0; i<n-1; i++) {
                arr[i] = arr[i] - arr[i+1];
                temp = temp + arr[i];
            }
            sum = Math.max(sum, temp);
            n--;
        }
        return Math.max(sum, Math.abs(arr[0]));
    }
}
Problem: 2062C - Cirno and Operations
Language: Java 8

Previous submission (verdict: Wrong answer on test 2):
// "static void main" must be defined in a public class.
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner Sc = new Scanner(System.in);
        int t = Sc.nextInt();
        Sc.nextLine();
        for(int i=0; i<t; i++) {
            int n = Sc.nextInt();
            long[] arr = new long[n];
            for(int j=0; j<n; j++) {
                arr[j] = Sc.nextInt();
            }
            Solution s1 = new Solution();
            System.out.println(s1.maxSum(arr));
        }
    }
}

class Solution {
    public long maxSum(long[] arr) {
        if(arr.length == 1)
            return arr[0];
        int n = arr.length;
        long sum = 0;
        for(int i=0; i<n; i++) {
            sum += arr[i];
        }
        while(n > 1) {
            long temp = 0;
            for(int i=0; i<n-1; i++) {
                arr[i] = arr[i] - arr[i+1];
                temp = temp + arr[i];
            }
            sum = Math.max(sum, temp);
            n--;
        }
        return Math.max(sum, Math.abs(arr[0]));
    }
}


Submission (verdict: Accepted):
// "static void main" must be defined in a public class.
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner Sc = new Scanner(System.in);
        int t = Sc.nextInt();
        Sc.nextLine();
        for(int i=0; i<t; i++) {
            int n = Sc.nextInt();
            long[] arr = new long[n];
            for(int j=0; j<n; j++) {
                arr[j] = Sc.nextInt();
            }
            Solution s1 = new Solution();
            System.out.println(s1.maxSum(arr));
        }
    }
}

class Solution {
    public long maxSum(long[] arr) {
        if(arr.length == 1)
            return arr[0];
        int n = arr.length;
        long sum = 0;
        for(int i=0; i<n; i++) {
            sum += arr[i];
        }
        while(n > 1) {
            long temp = 0;
            for(int i=0; i<n-1; i++) {
                arr[i] = arr[i] - arr[i+1];
                temp = temp + arr[i];
            }
            sum = Math.max(sum, Math.abs(temp));
            n--;
        }
        return Math.max(sum, Math.abs(arr[0]));
    }
}
Problem: 2063B - Subsequence Update
Language: C++20 (GCC 13-64)


Submission (verdict: Wrong answer on test 2):
    #include <bits/stdc++.h>
    using namespace std;
    #define ll long long
    #define ull unsigned long long
    #define pb push_back
    #define eb emplace_back
    #define mp make_pair
    #define fi first
    #define se second
    #define vmax(v) (*max_element((v).begin(), (v).end()))
    #define vmin(v) (*min_element((v).begin(), (v).end()))
    #define all(v) (v).begin(), (v).end()
    #define rall(v) (v).rbegin(), (v).rend()
    #define sz(x) (int)(x).size()
    #define endl '\n'
    #define rep(i, a, b) for (int i = a; i < (b); ++i)
    #define repr(i, a, b) for (int i = a; i >= (b); --i)
    #define rep0(i, n) for (int i = 0; i < (n); ++i)
    #define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    const ull MOD = 1e10;

    //dont write too much if else 
    void solve() {
        //INITIALIZING VARIABLES 
        ll n, l, r, sum=0; cin>>n>>l>>r;
        vector<int>vec(n);

        //INITIALIZING ALGORITHM
        for(int i=0; i<n; i++){
            cin>>vec[i];       
        }

        sort(vec.begin(), vec.end());
        int size = r-l;
        for(int i=0; i<=size; i++){
            sum+= vec[i];
        }

        cout<<sum<<endl;
    }


    int main() {
    IOS;

    #ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w",              stdout);    
    #endif

    int test;
    cin >> test;
    while (test--) {
        solve();
    }

    return 0;
    }
Problem: 2062C - Cirno and Operations
Language: C++23 (GCC 14-64, msys2)


Submission (verdict: Wrong answer on test 2):
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define op()                      \
    ios_base::sync_with_stdio(0); \
    cin.tie(0);                   \
    cout.tie(0);
#define srt(a) sort(a.begin(), a.end())
#define rsrt(a) sort(a.begin(), a.end(), greater<>())
#define fo(n) for (int i = 0; i < n; i++)
#define fo1(n) for (int i = 1; i <= n; i++)
#define all(a) a.begin(), a.end()
#define pb push_back
#define ll long long
#define Inf (ll)1e17 + 7
#define pi 3.1415926536
#define gcd __gcd
#define vi vector<int>
#define vl vector<ll>
#define nl '\n'
#define min_priority priority_queue<ll, vector<ll>, greater<ll>>
#define ordered_set tree<pair<ll, ll>, null_type, less<pair<ll, ll>>, rb_tree_tag, tree_order_statistics_node_update>
#define show(a)           \
    for (auto e : a)      \
        cout << e << " "; \
    cout << nl;
#define rY               \
    cout << "YES" << nl; \
    return;
#define rN              \
    cout << "NO" << nl; \
    return;
#define rr return
const ll mod = 1e9 + 7;
void Solve()
{
    ll n, m, x, y, z, i, j, k, l, r, q, W;
    cin >> n;
    vl v(n);
    for (i = 0; i < n; i++)
        cin >> v[i];
    ll ans = -1 * Inf;
    while (v.size() > 1)
    {
        x = 0;
        for (auto e : v)
        {
            x += e;
        }
        reverse(all(v));
        ans = max(ans, x);
        for (i = 1; i < v.size(); i++)
        {
            v[i - 1] = v[i] - v[i - 1];
        }
        v.pop_back();
    }
    ans = max(ans, v[0]);
    cout << ans << nl;
}
int main()
{
    op();
    int test = 1, c = 1;
    cin >> test;
    while (test--)
    {
        // cin.ignore();
        // cout << "Case " << c++ << ": ";
        Solve();
    }
    return 0;
}
Problem: 2050B - Transfusion
Language: C++17 (GCC 7-32)

Previous submission (verdict: Wrong answer on test 3):
#include <bits/stdc++.h>

#define fast                     \

    ios::sync_with_stdio(false); \

    cin.tie(nullptr)

using namespace std;

int main()

{

    int t;

    cin >> t;

    while (t--)

    {

        int k, d, n, sum = 0;

        bool flag = true;

        cin >> n;

        vector<int> A(n);

        for (int i = 0; i < n; i++)

        {

            cin >> A[i];

            sum += A[i];

        }

        if (sum % n != 0)

            flag = false;

        else

        {

            d = sum / n;

            for (int i = 1; i < n - 1; i++)

            {

                if (A[i - 1] > d && (A[i - 1] > 0 && A[i + 1] > 0))

                {

                    k = A[i - 1] - d;

                    A[i + 1] = A[i + 1] + k;

                    A[i - 1] = d;

                }

                else

                {

                    k = d - A[i - 1];

                    A[i + 1] = A[i + 1] - k;

                    A[i - 1] = d;

                }

            }

        }

        for (int j = 0; j < n; j++)

            if (A[j] != d)

                flag = false;

        cout << (flag ? "YES" : "NO") << endl;

    }



    return 0;

}

Submission (verdict: Wrong answer on test 3):
#include <bits/stdc++.h>

#define fast                     \

    ios::sync_with_stdio(false); \

    cin.tie(nullptr)

using namespace std;

int main()

{

    int t;

    cin >> t;

    while (t--)

    {

        int k, d, n, sum = 0;

        bool flag = true;

        cin >> n;

        vector<int> A(n);

        for (int i = 0; i < n; i++)

            cin >> A[i];



        for (int i = 0; i < n; i++)

            sum += A[i];



        if (sum % n != 0)

            flag = false;

        else

        {

            d = sum / n;

            for (int i = 1; i < n - 1; i++)

            {

                if (A[i - 1] > d && A[i - 1] > 0)

                {

                    k = A[i - 1] - d;

                    A[i + 1] = A[i + 1] + k;

                    A[i - 1] = d;

                }

                else

                {

                    k = d - A[i - 1];

                    A[i + 1] = A[i + 1] - k;

                    A[i - 1] = d;

                }

            }

        }

        for (int j = 0; j < n; j++)

            if (A[j] != d)

                flag = false;

        cout << (flag ? "YES" : "NO") << endl;

    }



    return 0;

}
Problem: 2050B - Transfusion
Language: C++17 (GCC 7-32)

Previous submission (verdict: Wrong answer on test 3):
#include <bits/stdc++.h>

#define fast                     \

    ios::sync_with_stdio(false); \

    cin.tie(nullptr)

using namespace std;

int main()

{

    int t;

    cin >> t;

    while (t--)

    {

        int k = 0, d, n, sum = 0;

        bool flag = true;

        cin >> n;

        vector<int> A(n);

        for (int i = 0; i < n; i++)

            cin >> A[i];

        for (int i = 0; i < n; i++)

            sum += A[i];



        if (sum % n != 0)

            flag = false;

        else

        {

            d = sum / n;

            for (int i = 1; i < n - 1; i++)

            {

                if (A[i - 1] < d && A[i - 1] > 0)

                {

                    k = d - A[i - 1];

                    A[i + 1] = A[i + 1] - k;

                    A[i - 1] = d;

                }

                else

                {

                    k = A[i - 1] - d;

                    A[i + 1] = A[i + 1] + k;

                    A[i - 1] = d;

                }

            }

        }

        for (int j = 0; j < n; j++)

            if (A[j] != d)

                flag = false;

        cout << (flag ? "YES" : "NO") << endl;

    }



    return 0;

}

Submission (verdict: Accepted):
#include <bits/stdc++.h>

#define fast                     \

    ios::sync_with_stdio(false); \

    cin.tie(nullptr)

#define ll long long

using namespace std;

int main()

{

    int t;

    cin >> t;

    while (t--)

    {

        ll k = 0, d, n, sum = 0;

        bool flag = true;

        cin >> n;

        vector<int> A(n);

        for (int i = 0; i < n; i++)

            cin >> A[i];

        for (int i = 0; i < n; i++)

            sum += A[i];



        if (sum % n != 0)

            flag = false;

        else

        {

            d = sum / n;

            for (int i = 1; i < n - 1; i++)

            {

                if (A[i - 1] < d && A[i - 1] > 0)

                {

                    k = d - A[i - 1];

                    A[i + 1] = A[i + 1] - k;

                    A[i - 1] = d;

                }

                else

                {

                    k = A[i - 1] - d;

                    A[i + 1] = A[i + 1] + k;

                    A[i - 1] = d;

                }

            }

        }

        for (int j = 0; j < n; j++)

            if (A[j] != d)

                flag = false;

        cout << (flag ? "YES" : "NO") << endl;

    }



    return 0;

}
Problem: 2050B - Transfusion
Language: C++17 (GCC 7-32)


Submission (verdict: Wrong answer on test 3):
#include <bits/stdc++.h>

#define fast                     \

    ios::sync_with_stdio(false); \

    cin.tie(nullptr)

using namespace std;

int main()

{

    int t;

    cin >> t;

    while (t--)

    {

        int k, d, n, sum = 0;

        bool flag = true;

        cin >> n;

        vector<int> A(n);

        for (int i = 0; i < n; i++)

        {

            cin >> A[i];

            sum += A[i];

        }

        if (sum % n != 0)

            flag = false;

        else

        {

            d = sum / n;

            for (int i = 1; i < n - 1; i++)

            {

                if (A[i - 1] > d && (A[i - 1] > 0 && A[i + 1] > 0))

                {

                    k = A[i - 1] - d;

                    A[i + 1] = A[i + 1] + k;

                    A[i - 1] = d;

                }

                else

                {

                    k = d - A[i - 1];

                    A[i + 1] = A[i + 1] - k;

                    A[i - 1] = d;

                }

            }

        }

        for (int j = 0; j < n; j++)

            if (A[j] != d)

                flag = false;

        cout << (flag ? "YES" : "NO") << endl;

    }



    return 0;

}
Problem: 2050B - Transfusion
Language: C++17 (GCC 7-32)

Previous submission (verdict: Wrong answer on test 3):
#include <bits/stdc++.h>

#define fast                     \

    ios::sync_with_stdio(false); \

    cin.tie(nullptr)

using namespace std;

int main()

{

    int t;

    cin >> t;

    while (t--)

    {

        int k, d, n, sum = 0;

        bool flag = true;

        cin >> n;

        vector<int> A(n);

        for (int i = 0; i < n; i++)

            cin >> A[i];



        for (int i = 0; i < n; i++)

            sum += A[i];



        if (sum % n != 0)

            flag = false;

        else

        {

            d = sum / n;

            for (int i = 1; i < n - 1; i++)

            {

                if (A[i - 1] > d && A[i - 1] > 0)

                {

                    k = A[i - 1] - d;

                    A[i + 1] = A[i + 1] + k;

                    A[i - 1] = d;

                }

                else

                {

                    k = d - A[i - 1];

                    A[i + 1] = A[i + 1] - k;

                    A[i - 1] = d;

                }

            }

        }

        for (int j = 0; j < n; j++)

            if (A[j] != d)

                flag = false;

        cout << (flag ? "YES" : "NO") << endl;

    }



    return 0;

}

Submission (verdict: Wrong answer on test 3):
#include <bits/stdc++.h>

#define fast                     \

    ios::sync_with_stdio(false); \

    cin.tie(nullptr)

using namespace std;

int main()

{

    int t;

    cin >> t;

    while (t--)

    {

        int k = 0, d, n, sum = 0;

        bool flag = true;

        cin >> n;

        vector<int> A(n);

        for (int i = 0; i < n; i++)

            cin >> A[i];

        for (int i = 0; i < n; i++)

            sum += A[i];



        if (sum % n != 0)

            flag = false;

        else

        {

            d = sum / n;

            for (int i = 1; i < n - 1; i++)

            {

                if (A[i - 1] < d && A[i - 1] > 0)

                {

                    k = d - A[i - 1];

                    A[i + 1] = A[i + 1] - k;

                    A[i - 1] = d;

                }

                else

                {

                    k = A[i - 1] - d;

                    A[i + 1] = A[i + 1] + k;

                    A[i - 1] = d;

                }

            }

        }

        for (int j = 0; j < n; j++)

            if (A[j] != d)

                flag = false;

        cout << (flag ? "YES" : "NO") << endl;

    }



    return 0;

}
Problem: 2061D - Kevin and Numbers
Language: C++20 (GCC 13-64)


Submission (verdict: Wrong answer on test 1):
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;

#define pb push_back
#define MOD 1000000007
#define vll vector<ll>
#define pll pair<ll, ll>
#define endl "\n" 
#define all(v) v.begin(), v.end()
#define mem(a,b) memset(a, b, sizeof(a))
#define co(n) cout << n << endl
#define yes cout << "YES" << endl
#define no cout << "NO" << endl
#define fr(x, n) for (int i = x; i < n; ++i)
#define fraction(x) cout << fixed << setprecision(x)
#define Baba_Yaga ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
 
const double eps = 1e-9;
const int N = 2e5+123;

ll gcd(ll a,ll b) { return __gcd(a,b); }
ll lcm(ll a,ll b) { return (a*b)/__gcd(a,b); }

int dx[] = {0, 0, +1, -1, +1, +1, -1, -1};
int dy[] = {+1, -1, 0, 0, +1, -1, +1, -1};


void solve()
{
    ll n, m; cin >> n >> m;
    map<ll, ll> m1, m2;
    set<ll> s1, s2;
    vll v1(n); fr(0, n) cin >> v1[i], m1[v1[i]]++, s1.insert(v1[i]);
    vll v2(m); fr(0, m) cin >> v2[i], m2[v2[i]]++, s2.insert(v2[i]);
    
    while(1)
    {
        if(s1.empty() && s2.empty())
        {
            yes; return;
        }
        if( (s1.empty() && s2.size() >= 1) || (s2.empty() && s1.size() >= 1))
        {
            no; return;
        }

        ll mxs1 = *(--s1.end());
        ll mxs2 = *(--s2.end());
        
        if(mxs1 > mxs2)
        {
            no; return;
        }

        if(mxs1 == mxs2)
        {
            ll mini = min(m1[mxs1], m2[mxs1]);
            m1[mxs1] -= mini;
            m2[mxs1] -= mini;
            if(m1[mxs1] == 0)
            {
                s1.erase(mxs1);
            }
            if(m2[mxs1] == 0)
            {
                s2.erase(mxs1);
            }
        }
        else if(mxs1 < mxs2)
        {
            ll val_1 = mxs2/2;
            ll val_2 = mxs2/2 + 1;
            
            ll koto_bar = m2[mxs2];

            if( m1[val_1] >= koto_bar*2 && m1[val_2] >= koto_bar*2)
            {
                m1[val_1] -= koto_bar*2;
                m2[val_2] -= koto_bar*2;

                if(m1[val_1] == 0)
                {
                    s1.erase(val_1);
                }
                if(m1[val_2] == 0)
                {
                    s2.erase(val_2);
                }

                s2.erase(val_1 + val_2);
            }
            else
            {
                no;
                return;
            }
        }
    }

    
}

// --- Think the problem backwards ---

int main()
{
    Baba_Yaga;
    ll tc = 1; cin >> tc;
    while(tc--) solve();
}