criyle/codenet-compile-errors huggingface dataset:
Language: C++

#include<iostream>
#include<cstdio>
#include<cmath>
#include<cstring>
#include<string>
#include<stack>
#include<queue>
#include<vector>
#include<algorithm>
#include<iomanip>
#include<utility>
#include<set>
#include<unordered_set>
typedef long long int ll;
#define REP(i,n) for(int i=0;i<signed(n);i++)
using std::cout;
using std::vector;
using std::endl;
using std::cin;
using std::string;
using std::min;
using std::max;
const ll MOD = 1000000007;
const ll INF = 9e9;
ll N,M,ans=INF;
ll A[300010],S[301000];
int main(){
    std::ios_base::sync_with_stdio(false);
    std::fill(AA+300010,0);
    cin>>N;
    REP(i,N){
        cin>>A[i];
        S[i]+=A[i];
        S[i+1]=S[i];
    }
    //a:右半分の区切り i:真ん中 b:左半分
    //s:右の和 t:左の和
    int a=0,b=2,s,t;
    REP(i,N-1){
        if(i==b)b++;
        s=(S[i]-S[a])-S[a];
        t=(S[N-1]-S[b])-(S[b]-S[i]);
        bool f=true;
        if(i==0)continue;
        while(f){
            f=false;
            if(a+1==i)continue;
            if(abs(s)>abs(s-A[a+1]*2)){
                s-=A[a+1]*2;
                a++;f=true;
            }
        }
        f=true;
        while(f){
            f=false;
            if(b+1==N-1)continue;
            if(abs(t)>abs(t-A[b+1]*2)){
                t-=A[b+1]*2;
                b++;f=true;
            }
        }
        ans=min( ans,( max({S[a],S[i]-S[a],S[b]-S[i],S[N-1]-S[b]})
        -min({S[a],S[i]-S[a],S[b]-S[i],S[N-1]-S[b]}) ) );
    }
    cout<<ans<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:15: error: 'AA' was not declared in this scope; did you mean 'A'?
   29 |     std::fill(AA+300010,0);
      |               ^~
      |               A
Language: C++

#include<iostream>
#include<cstdio>
#include<cmath>
#include<cstring>
#include<string>
#include<stack>
#include<queue>
#include<vector>
#include<algorithm>
#include<iomanip>
#include<utility>
#include<set>
#include<unordered_set>
typedef long long int ll;
#define REP(i,n) for(int i=0;i<signed(n);i++)
using std::cout;
using std::vector;
using std::endl;
using std::cin;
using std::string;
using std::min;
using std::max;
const ll MOD = 1000000007;
const ll INF = 9e9;
ll N,M,ans=INF;
ll A[300010],S[301000];
int main(){
    std::ios_base::sync_with_stdio(false);
    fill(S,S+301000,0);
    cin>>N;
    REP(i,N){
        cin>>A[i];
        S[i]+=A[i];
        S[i+1]=S[i];
    }
    //a:右半分の区切り i:真ん中 b:左半分
    //s:右の和 t:左の和
    int a=0,b=2,s,t;
    REP(i,N-1){
        if(i==b)b++;
        s=(S[i]-S[a])-S[a];
        t=(S[N-1]-S[b])-(S[b]-S[i]);
        bool f=true;
        if(i==0)continue;
        while(f){
            f=false;
            if(a+1==i)continue;
            if(abs(s)>abs(s-A[a+1]*2)){
                s-=A[a+1]*2;
                a++;f=true;
            }
        }
        f=true;
        while(f){
            f=false;
            if(b+1==N-1)continue;
            if(abs(t)>abs(t-A[b+1]*2)){
                t-=A[b+1]*2;
                b++;f=true;
            }
        }
        ans=min( ans,( max({S[a],S[i]-S[a],S[b]-S[i],S[N-1]-S[b]})
        -min({S[a],S[i]-S[a],S[b]-S[i],S[N-1]-S[b]}) ) );
    }
    cout<<ans<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:5: error: 'fill' was not declared in this scope; did you mean 'std::fill'?
   29 |     fill(S,S+301000,0);
      |     ^~~~
      |     std::fill
In file included from /usr/include/c++/14/algorithm:86,
                 from a.cc:9:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:191:1: note: 'std::fill' declared here
  191 | fill(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
      | ^~~~
Language: C++

#include <iostream>
#include <cmath>
#include <vector>
#include <string>
#include <algorithm>
#include <queue>
using namespace std;

typedef long long ll;
typedef pair<int, int> Pii;

void readline(int N, vector<int> &a){
    string s;
    for(int i = 0; i < N - 1; i++){
        getline(cin, s, ' ');
        a[i] = atoi(s.c_str());
    }
    getline(cin, s, '\n');
    a[N - 1] = atoi(s.c_str());
}
void readline(int N, vector<double> &a){
    string s;
    for(int i = 0; i < N - 1; i++){
        getline(cin, s, ' ');
        a[i] = atof(s.c_str());
    }
    getline(cin, s, '\n');
    a[N - 1] = atof(s.c_str());
}

int cut(vector<ll> &A, int N, int i, int &il, int &ir, vector<ll> &S){
    
    while(il < i - 1){
        if(abs(S[0] - S[1] + 2 * A[il + 1]) < abs(S[0] - S[1])){
            il++;
            S[0] += A[il];
            S[1] -= A[il];
        }else{
            break;
        }
    }

    while(ir < N - 2){
        if(abs(S[2] - S[3] + 2 * A[ir + 1]) < abs(S[2] - S[3])){
            ir++;
            S[2] += A[ir];
            S[3] -= A[ir];
        }else{
            break;
        }
    }

    return *max_element(S.begin(), S.end()) - *min_element(S.begin(), S.end());

}

int main(){

    int N;
    cin >> N;
    vector<ll> A(N);
    readline(N, A);

    int il = 0;
    int ir = 2;
    vector<ll> S(4);
    S[0] = A[0];
    S[1] = A[1];
    S[2] = A[2];
    S[3] = 0;
    for(int i = 3; i < N; i++){
        S[3] += A[i];
    }
 
    ll min = 10000000000000000;

    for(int i = 1; i <= N - 3; i++){
        int v = cut(A, N, i, il, ir, S);
        if(v < min) min = v;
        S[1] += A[i + 1];
        S[2] -= A[i + 1];
    }


    cout << min;


    return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:62:13: error: no matching function for call to 'readline(int&, std::vector<long long int>&)'
   62 |     readline(N, A);
      |     ~~~~~~~~^~~~~~
a.cc:12:6: note: candidate: 'void readline(int, std::vector<int>&)'
   12 | void readline(int N, vector<int> &a){
      |      ^~~~~~~~
a.cc:12:35: note:   no known conversion for argument 2 from 'std::vector<long long int>' to 'std::vector<int>&'
   12 | void readline(int N, vector<int> &a){
      |                      ~~~~~~~~~~~~~^
a.cc:21:6: note: candidate: 'void readline(int, std::vector<double>&)'
   21 | void readline(int N, vector<double> &a){
      |      ^~~~~~~~
a.cc:21:38: note:   no known conversion for argument 2 from 'std::vector<long long int>' to 'std::vector<double>&'
   21 | void readline(int N, vector<double> &a){
      |                      ~~~~~~~~~~~~~~~~^
Language: C++

#include <bits/stdc++.h>

using namespace std;
#define buf (100005)
#define ll long long 
#define inf (100000000000000)

ll n;
ll a[buf];
ll s[buf];


ll minmax4(ll a,ll b,ll c,ll d){
	ll mn,mx;
	mn = min(a,b);
	mn = min(mn,c);
	mn = min(mn,d);

	mx = max(a,b);
	mx = max(mx,c);
	mx = max(mx,d);

	return mx-mn;
}

void print4(ll a, ll b, ll c, ll d){
	cout << a << " " << b << " " << c << " " << d << "\n";
}

int main(void){
	cin >> n;

	for(ll i=1;i<=n;i++){
		cin >> a[i];
		s[i] = s[i-1] + a[i];
	}

	ll l,r;
	ll l=1,r=3;
	ll ans = inf;
	for(ll i=2;i<n-1;i++){
		l=s[i];
		r=s[n]-s[i];

		while(abs(2*s[l]-l) > abs(2*s[l+1]-l)){
			if( (l+1)==i) break;
			l++;
		}

		if(r<i+1)r=i+1;
		while(abs(2*(s[r]-l)-r) > abs(2*(s[r+1]-l)-r)){
			if( (r+1)==n) break;
			r++;
		}
		ans = min(ans, minmax4(s[l], l-s[l], s[r]-l, s[n]-s[r]) );	
	}

	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:39:12: error: redeclaration of 'long long int l'
   39 |         ll l=1,r=3;
      |            ^
a.cc:38:12: note: 'long long int l' previously declared here
   38 |         ll l,r;
      |            ^
a.cc:39:16: error: redeclaration of 'long long int r'
   39 |         ll l=1,r=3;
      |                ^
a.cc:38:14: note: 'long long int r' previously declared here
   38 |         ll l,r;
      |              ^
Language: C++

//
//  BC102D.cpp
//  
//
//  Created by Taime Shoji on 2018/07/21.
//

#include <iostream>
#include <vector>

int abs (int x) {
    if(x> 0) return x;
    else return -x;
}

int max(int x, int y) {
    if(x>y) return x;
    else y;
}
int min(int x, int y) {
    if(x<y) return x;
    else y;
}
int find_cutpoint(int start,int end, std::vector<int> A){
    int rightsum = 0;
    for(int i = start; i <= end; i++) rightsum+=A[i];
    int leftsum = 0;
    int cutpoint = 0;
    for(int i = start; i <= end, i++){
        int sted = rightsum - leftsum;
        rightsum -= A[i];
        leftsum += A[i];
        if(leftsum > rightsum){
            if(sted < leftsum - rightsum) cutpoint = i-1;
            else cutpoint = i;
            break;
        }
    }
    return cutpoint;
}


int main(void) {
    int N;
    std::cin >> N;
    std::vector<int> A(N);

    for(int i = 0; i < N; i++) {
        std::cin >> A[i];
    }

    int cut2 = find_cutpoint(0, N-1, A);
    int cut1 = find_cutpoint(0, cut2, A);
    int cut3 = find_cutpoint(cut2+1, N-1, A);
    
    int sum1 = 0;
    int sum2 = 0;
    int sum3 = 0;
    int sum4 = 0;
    for(int i = 0; i <= cut1; i++)
        sum1+=A[i];
    for(int i = cut1+1; i <=cut2; i++)
        sum2+=A[i];
    for(int i = cut2+1; i <=cut3; i++)
        sum3+=A[i];
    for(int i = cut3+1;i<N;i++)
        sum4+=A[i];
    int maximum = max(sum1, max(sum2, max(sum3, sum4)));
    int minimum = min(sum1, min(sum2, min(sum3, sum4)));
    std::cout << maximum-minimum << std::endl;
    return 0;
}


Compiler output:
a.cc: In function 'int find_cutpoint(int, int, std::vector<int>)':
a.cc:29:37: error: expected ';' before ')' token
   29 |     for(int i = start; i <= end, i++){
      |                                     ^
      |                                     ;
a.cc: In function 'int max(int, int)':
a.cc:19:1: warning: control reaches end of non-void function [-Wreturn-type]
   19 | }
      | ^
a.cc: In function 'int min(int, int)':
a.cc:23:1: warning: control reaches end of non-void function [-Wreturn-type]
   23 | }
      | ^
Language: C++

#include <iostream>
#include <vector>

int abs (int x) {
    if(x> 0) return x;
    else return -x;
}

int max(int x, int y) {
    if(x>y) return x;
    else y;
}
int min(int x, int y) {
    if(x<y) return x;
    else y;
}
int find_cutpoint(int start,int end, std::vector<int> A){
    int sum = 0;
    for(int i = start; i <= end; i++) sum+=A[i];
    int subsum = 0;
    int cutpoint = 0;
    for(int i = start; i <= end; i++) {
        subsum += A[i];
        if(subsum > sum){
            cutpoint = i;
            break;
        }
    }
    if(abs(sum-2*subsum) > abs(sum-2*subsum +2*A[cutpoint])) return cutpoint;
    else return cutpoint-1;
    
}


int main(void) {
    int N;
    std::cin >> N;
    std::vector<int> A(N);
    sum = 0;
    for(int i = 0; i < N; i++) {
        std::cin >> A[i];
        sum += A[i];
    }
    int subsum = 0;
    int cutpoint;
    for(int i = 0; i < N; i++) {
        subsum += A[i];
        if(subsum > sum/2) {cutpoint=i;break;}
    }
    int cut2 = find_cutpoint(0, N-1, A);
    int cut1 = find_cutpoint(0, cut2, A);
    int cut3 = find_cutpoint(cut2+1, N-1, A);
    
    int sum1 = 0;
    int sum2 = 0;
    int sum3 = 0;
    int sum4 = 0;
    for(int i = 0; i <= cut1; i++)
        sum1+=A[i];
    for(int i = cut1+1; i <=cut2; i++)
        sub2+=A[i];
    for(int i = cut2+1; i <=cut3; i++)
        sub3+=A[i];
    for(int i = cut3+1;i<N;i++)
        sub4+=A[i];
    int maximum = max(sum1, max(sum2, max(sum3, sum4)));
    int minimum = min(sum1, min(sum2, min(sum3, sum4)));
    std::cout << maximum-minimum << std::endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:39:5: error: 'sum' was not declared in this scope
   39 |     sum = 0;
      |     ^~~
a.cc:61:9: error: 'sub2' was not declared in this scope; did you mean 'sum2'?
   61 |         sub2+=A[i];
      |         ^~~~
      |         sum2
a.cc:63:9: error: 'sub3' was not declared in this scope; did you mean 'sum3'?
   63 |         sub3+=A[i];
      |         ^~~~
      |         sum3
a.cc:65:9: error: 'sub4' was not declared in this scope; did you mean 'sum4'?
   65 |         sub4+=A[i];
      |         ^~~~
      |         sum4
a.cc: In function 'int max(int, int)':
a.cc:12:1: warning: control reaches end of non-void function [-Wreturn-type]
   12 | }
      | ^
a.cc: In function 'int min(int, int)':
a.cc:16:1: warning: control reaches end of non-void function [-Wreturn-type]
   16 | }
      | ^
Language: C++

#include <iostream>
using namespace std;

int main() {
  int N;
  int a[200000];
  int cum[200000]=0;
  
  cin >> N;
  for (int i = 0; i < N; ++i) {
    cin >> a[i];
  }
  cum[0] = a[0];
  for (int i = 0; i < N - 1; ++i) {
    cum[i+1] += cum[i] 
  }
  
  int ans = 1000000000;
  int tmpP, tmpQ, tmpR, tmpS, tmpLeft, tmpRight;
  int tmpMax, tmpMin;
  
  for (int i = 1; i < N-2; ++i) {
	tmpLeft = cum[i];
    tmpRight = cum[N-1] - tmpLeft;
    
    for (int j = 0; j < i - 1; ++j) {
      if (cum[j+1] > cum[i]/2) tmpP = cum[j];
      tmpQ = tmpLeft - tmpP;
	    for (int k = i + 1; k < N-1; ++k) {
    	  if (cum[k+1] > cum[N-1]) tmpR = cum[k] - tmpLeft;
      	tmpS = tmpRight - tmpR;
        }
    }
    tmpMax = max(max(tmpP, tmpQ), max(tmpR, tmpS));
    tmpMin = min(min(tmpP, tmpQ), min(tmpR, tmpS));
    
    ans = min(tmpMax - tmpMin, ans);
  }
  cout << ans << endl;
}

    
      

Compiler output:
a.cc: In function 'int main()':
a.cc:7:19: error: array must be initialized with a brace-enclosed initializer
    7 |   int cum[200000]=0;
      |                   ^
a.cc:15:23: error: expected ';' before '}' token
   15 |     cum[i+1] += cum[i]
      |                       ^
      |                       ;
   16 |   }
      |   ~
Language: C++

#include <iostream>
#include <cmath>
#include <string>
#include <algorithm>
#include <set>
#include <vector>
#include <map>
#include <list>
#include <stack>
#define REP(i, n) for(i=0; i<n; i++)
#define REPR(i, n) for(i=n; i>=0; i--)
#define FOR(i, m, n) for(i=m; i<n; i++)
#define INF 100000000
#define mod 1000000007LL
using namespace std;
typedef long long ll;
typedef pair<ll, ll> p;

ll modpow(ll x, ll n) {
    ll res=1;
    while(n>0) {
        if(n&1) res=res*x%mod;
        x=x*x%mod;
        n>>=1;
    }
    return res;
}


int main() {
    ll n;
    cin >> n;
    ll a[n+1], s[n+1];
    ll i;
    
    for(i=0; i<=n; i++)
        s[i]=0;
    for(i=1; i<=n; i++)
        cin >> a[i];
    for(i=1; i<=n; i++)
        s[i]=s[i-1]+a[i];
    
    ll ans, ans1, ans2, ans3, ans4;
    ll l=1, r=3;
    for(i=2; i<n-2; i++) {
        while(l<i && abs(s[l]-s[0]-(s[i]-s[l]))>=abs(s[l+1]-s[0]-(s[i]-s[l+1])))
            l++;
        while(r<n && abs(s[n]-s[r]-(s[r]-s[i]))>=abs(s[n]-s[r+1]-(s[r+1]-s[i])))
            r++;
        
        ans1=s[l]-s[0];
        ans2=s[i]-s[l];
        ans3=s[r]-s[i];
        ans4=s[n]-s[r];
        
        ans=min(ans, max(ans1, max(ans2, ans3, ans4))-min(ans1, min(ans2, ans3, ans4)));
    }
    cout << ans << endl;
}


Compiler output:
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:56:35:   required from here
   56 |         ans=min(ans, max(ans1, max(ans2, ans3, ans4))-min(ans1, min(ans2, ans3, ans4)));
      |                                ~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:56:68:   required from here
   56 |         ans=min(ans, max(ans1, max(ans2, ans3, ans4))-min(ans1, min(ans2, ans3, ans4)));
      |                                                                 ~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:284:17: error: '__comp' cannot be used as a function
  284 |       if (__comp(__b, __a))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include <iostream>
#include <cmath>
#include <string>
#include <algorithm>
#include <set>
#include <vector>
#include <map>
#include <list>
#include <stack>
#define REP(i, n) for(i=0; i<n; i++)
#define REPR(i, n) for(i=n; i>=0; i--)
#define FOR(i, m, n) for(i=m; i<n; i++)
#define sma(a, b) ((a)>(b) ? (a):(b))
#define lar(a, b) ((a)<(b) ? (a):(b))
#define INF 100000000
#define mod 1000000007LL
using namespace std;
typedef long long ll;
typedef pair<ll, ll> p;

ll modpow(ll x, ll n) {
    ll res=1;
    while(n>0) {
        if(n&1) res=res*x%mod;
        x=x*x%mod;
        n>>=1;
    }
    return res;
}


int main() {
    ll n;
    cin >> n;
    ll a[n+1], s[n+1];
    ll i;
    
    for(i=0; i<=n; i++)
        s[i]=0;
    for(i=1; i<=n; i++)
        cin >> a[i];
    for(i=1; i<=n; i++)
        s[i]=s[i-1]+a[i];
    
    ll ans, ans1, ans2, ans3, ans4;
    ll l=1, r=3;
    for(i=2; i<n-2; i++) {
        while(l<i && abs(s[l]-s[0]-(s[i]-s[l]))>=abs(s[l+1]-s[0]-(s[i]-s[l+1])))
            l++;
        while(r<n && abs(s[n]-s[r]-(s[r]-s[i]))>=abs(s[n]-s[r+1]-(s[r+1]-s[i])))
            r++;
        
        ans1=s[l]-s[0];
        ans2=s[i]-s[l];
        ans3=s[r]-s[i];
        ans4=s[n]-s[r];
        
        ans=min(ans, max(ans1, max(ans2, ans3, ans4))-min(ans1, min(ans2, ans3, ans4)));
    }
    cout << ans << endl;
}


Compiler output:
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:58:35:   required from here
   58 |         ans=min(ans, max(ans1, max(ans2, ans3, ans4))-min(ans1, min(ans2, ans3, ans4)));
      |                                ~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:58:68:   required from here
   58 |         ans=min(ans, max(ans1, max(ans2, ans3, ans4))-min(ans1, min(ans2, ans3, ans4)));
      |                                                                 ~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:284:17: error: '__comp' cannot be used as a function
  284 |       if (__comp(__b, __a))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>

using namespace std;

double sum(int j,int k,vector<int> A ) {
	double total = 0;
	for (int i = j;i < k;i++) {
		total += A[i];
	}
	return total;
}

int main() {
	int ans;
	int N;
	cin >> N;
	vector<int> A(N);
	for (int i = 0;i < N;i++) {
		cin >> A[i];
	}

	for (int i = 2;i <= N-2;i++) {	//真ん中スラッシュを入れる位置決定
		int slash_middle = i;

		//真ん中スラッシュより左
		double sum_PQ = sum(0,slash_middle, A);
		int slash_left_decision = 1;
		double difference_PQ_min = fabs(A[0] - (sum_PQ / 2));
		for (int i = 1;i < slash_middle;i++) {	//左スラッシュを入れる位置決定
			int slash_left = i;
			double P = sum(0,slash_left, A);
			//どのスラッシュの位置が最もPQ間の差が小さいか判定
			if (fabs(P - (sum_PQ / 2)) <= difference_PQ_min) {
				slash_left_decision = slash_left;
				difference_PQ_min = fabs(P - (sum_PQ / 2));
			}
		}
		int P_decision = sum(0, slash_left_decision, A);
		int Q_decision = sum(slash_left_decision, slash_middle,A);
		//cout << P_decision << "  " << Q_decision << endl;
		

		//真ん中スラッシュより右
		double sum_RS = sum(slash_middle, N, A);
		//cout << "sum_RS/2 " << sum_RS/2 << endl;
		int slash_right_decision = slash_middle + 1;
		double difference_RS_min = fabs(A[slash_middle] - (sum_RS / 2));
		//cout << "difference_RS_min " << difference_RS_min << endl;
		for (int i = slash_middle+1;i < N;i++) {	//右スラッシュを入れる位置決定
			int slash_right = i;
			double R = sum(slash_middle,slash_right, A);
			//どのスラッシュの位置が最もRS間の差が小さいか判定
			//cout << R << endl;
			if (fabs(R - (sum_RS / 2)) <= difference_RS_min) {
				slash_right_decision = slash_right;
				difference_RS_min = fabs(R - (sum_RS / 2));
			}
		}
		//cout << slash_right_decision << endl;
		int R_decision = sum(slash_middle, slash_right_decision, A);
		int S_decision = sum(slash_right_decision, N, A);
		//cout << R_decision << "  " << S_decision << '\n' << endl;
		
		int P_Q_R_S[4];
		P_Q_R_S[0] = P_decision;
		P_Q_R_S[1] = Q_decision;
		P_Q_R_S[2] = R_decision;
		P_Q_R_S[3] = S_decision;

		sort(P_Q_R_S, P_Q_R_S + 4);

		/*
		for (int i = 0;i < 4;i++) {
			cout << P_Q_R_S[i] << endl;
		}
		*/

		if (i == 2) {
			ans = P_Q_R_S[3] - P_Q_R_S[0];
		}else if(ans > (P_Q_R_S[3] - P_Q_R_S[0])) {
			ans = P_Q_R_S[3] - P_Q_R_S[0];
		}
		//cout << P_Q_R_S[3] - P_Q_R_S[0] << endl;

	}

	cout << ans << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:44: error: 'fabs' was not declared in this scope; did you mean 'labs'?
   30 |                 double difference_PQ_min = fabs(A[0] - (sum_PQ / 2));
      |                                            ^~~~
      |                                            labs
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int diff(int l, int m, int r, vector<int> b) {
    int a = b[m] - b[l];
    int c = b[r] - b[m];
    return abs(a - c);
}

int main() {
    int N;
    cin >> N;
    vector<int> A(N + 1, 0);

    for (int i = 1; i <= N; ++i) {
        cin >> A[i];
    }
    for (int j = 1; j <= N - 1; ++j) {
        A[j + 1] += A[j];
    }

    int mindiff = INT_MAX;
    for (int m = 2; m <= N - 2; m++) {
        int l = 1;
        while (l <= m - 2 && diff(0, l, m, A) > diff(0, l + 1, m, A)) {
            l++;
        }
        int r = m + 1;
        while (r <= N - 2 && diff(m, r, N, A) > diff(m, r + 1, N, A)) {
            r++;
        }

        vector<int> p(4);
        p[0] = A[l] - A[0];
        p[1] = A[m] - A[l];
        p[2] = A[r] - A[m];
        p[3] = A[N] - A[r];
        int diff = *max_element(p.begin(), p.end()) - *min_element(p.begin(), p.end());
        mindiff = min(mindiff, diff);
    }
    cout << mindiff << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:19: error: 'INT_MAX' was not declared in this scope
   25 |     int mindiff = INT_MAX;
      |                   ^~~~~~~
a.cc:4:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    3 | #include <algorithm>
  +++ |+#include <climits>
    4 |
Language: C++

#include <iostream>
#include <vector>

using namespace std;

int diff(int l, int m, int r, vector<int> b) {
    int a = b[m] - b[l];
    int c = b[r] - b[m];
    return abs(a - c);
}

int main() {
    int N;
    cin >> N;
    vector<int> A(N + 1, 0);

    for (int i = 1; i <= N; ++i) {
        cin >> A[i];
    }
    for (int j = 1; j <= N - 1; ++j) {
        A[j + 1] += A[j];
    }

    int mindiff = INT_MAX;
    for (int m = 2; m <= N - 2; m++) {
        int l = 1;
        while (l <= m - 2 && diff(0, l, m, A) > diff(0, l + 1, m, A)) {
            l++;
        }
        int r = m + 1;
        while (r <= N - 2 && diff(m, r, N, A) > diff(m, r + 1, N, A)) {
            r++;
        }

        vector<int> p(4);
        p[0] = A[l] - A[0];
        p[1] = A[m] - A[l];
        p[2] = A[r] - A[m];
        p[3] = A[N] - A[r];
        int diff = *max_element(p.begin(), p.end()) - *min_element(p.begin(), p.end());
        mindiff = min(mindiff, diff);
    }
    cout << mindiff << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:19: error: 'INT_MAX' was not declared in this scope
   24 |     int mindiff = INT_MAX;
      |                   ^~~~~~~
a.cc:3:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    2 | #include <vector>
  +++ |+#include <climits>
    3 | 
a.cc:40:21: error: 'max_element' was not declared in this scope
   40 |         int diff = *max_element(p.begin(), p.end()) - *min_element(p.begin(), p.end());
      |                     ^~~~~~~~~~~
a.cc:40:56: error: 'min_element' was not declared in this scope
   40 |         int diff = *max_element(p.begin(), p.end()) - *min_element(p.begin(), p.end());
      |                                                        ^~~~~~~~~~~
Language: C++

#include<iostream>
#include<vector>
#include<cmath>
#include<algorithm>
#include<limits>
using namespace std;
using uint = unsigned int;
using ll = long long;

#define for(i,a,b) for (int i = a; i < b; ++i)
#define rep(i,n) for(i,0,n)

uint n;
ll a[200001];
uint l, c, r;

ll getval() {
  ll prev_diff, curr_diff;
  ll cval = a[c], eval = a[n];

  // left side
  prev_diff = numeric_limits<ll>::max();
  while (1) {
    curr_diff = abs((cval - a[l]) - (a[l] - 0));
    if (curr_diff > prev_diff) {
      --l;
      break;
    }

    prev_diff = curr_diff;
    ++l;
    if (l >= c) {
      --l;
      break;
    }
  }

  // right side
  prev_diff = numeric_limits<ll>::max();
  while(1) {
    curr_diff = abs((eval - a[r]) - (a[r] - cval));
    if (curr_diff > prev_diff) {
      --r;
      break;
    }

    prev_diff = curr_diff;
    ++r;
    if (r >= n) {
      --r;
      break;
    }
  }

  // calc val
  ll sum[4];
  sum[0] = a[l] - 0;
  sum[1] = cval - a[l];
  sum[2] = a[r] - cval;
  sum[3] = eval - a[r];
  ll maxval = *max_element(sum, sum+4);
  ll minval = *min_element(sum, sum+4);
  return maxval - minval;
}

int main() {
  scanf("%u", &n);

  a[0] = 0;
  rep(i,n) {
    scanf("%llu", &a[i+1]);
    a[i+1] += a[i];
  }

  ll minval = numeric_limits<ll>::max();
  for (l = 1, c = 2, r = 3; c <= n - 2; ++c) {
    if (r <= c) r = c + 1;   
    ll val = getval();
    if (val < minval) minval = val;
  }

  printf("%llu\n", minval);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:76:12: error: lvalue required as left operand of assignment
   76 |   for (l = 1, c = 2, r = 3; c <= n - 2; ++c) {
      |            ^
a.cc:10:29: note: in definition of macro 'for'
   10 | #define for(i,a,b) for (int i = a; i < b; ++i)
      |                             ^
a.cc:10:38: error: lvalue required as left operand of assignment
   10 | #define for(i,a,b) for (int i = a; i < b; ++i)
      |                                      ^
a.cc:76:3: note: in expansion of macro 'for'
   76 |   for (l = 1, c = 2, r = 3; c <= n - 2; ++c) {
      |   ^~~
a.cc:76:39: error: expected ')' before ';' token
   76 |   for (l = 1, c = 2, r = 3; c <= n - 2; ++c) {
      |                                       ^
a.cc:10:40: note: in definition of macro 'for'
   10 | #define for(i,a,b) for (int i = a; i < b; ++i)
      |                                        ^
a.cc:10:24: note: to match this '('
   10 | #define for(i,a,b) for (int i = a; i < b; ++i)
      |                        ^
a.cc:76:3: note: in expansion of macro 'for'
   76 |   for (l = 1, c = 2, r = 3; c <= n - 2; ++c) {
      |   ^~~
a.cc:10:46: error: expected ';' before ')' token
   10 | #define for(i,a,b) for (int i = a; i < b; ++i)
      |                                              ^
a.cc:76:3: note: in expansion of macro 'for'
   76 |   for (l = 1, c = 2, r = 3; c <= n - 2; ++c) {
      |   ^~~
Language: C++

#include<iostream>
#include<vector>
#include<cmath>
#include<algorithm>
#include<limits>
using namespace std;
using uint = unsigned int;
using ll = long long;

uint N;
ll A[200001];

void getLeftPos(uint& l, uint& c) {
  ll cval = A[c];
  ll pre_diff = abs((A[l - 1] - 0) - (cval - A[l - 1]));
  ll lsum, rsum;

  while(l < c) {
    lsum = A[l] - 0;
    rsum = cval - A[l];

    if (lsum - rsum > 0) {
      if (pre_diff < abs(lsum - rsum)) --l;
      return;
    }

    ++l;
    pre_diff = abs(lsum - rsum);
  }

  --l;
  return;
}

void getRightPos(uint& r, uint& c) {
  ll cval = A[c];
  ll eval = A[N];
  ll pre_diff = abs((A[r - 1] - cval) - (eval - A[r - 1]));
  ll lsum, rsum;

  while(r < len) {
    lsum = A[r] - cval;
    rsum = eval - A[r];

    if (lsum - rsum > 0) {
      if (pre_diff < abs(lsum - rsum)) --r;
      return;
    }
    ++r;
    pre_diff = abs(lsum - rsum);
  }

  --r;
  return;
}

ll getVal(uint l, uint c, uint r) {
  vector<ll> sum(4);
  sum[0] = A[l] - 0;
  sum[1] = A[c] - A[l];
  sum[2] = A[r] - A[c];
  sum[3] = A[N] - A[r];

  ll maxval = *max_element(sum.begin(), sum.end());
  ll minval = *min_element(sum.begin(), sum.end());

  return maxval - minval;
}

int main() {
  uint N;
  scanf("%u", &N);

  A[0] = 0;
  REP(i,N) {
    scanf("%d", &A[i+1]);
    A[i+1] += A[i];
  }

  ll minval = numeric_limits<ll>::max();
  uint l = 1, r = 3;
  for (uint c = 2; c <= N - 2; ++c) {
    if (r <= c) r = c + 1;

    getLeftPos(l, c);
    getRightPos(r, c);
    
    ll val = getVal(l, c, r);
    if (val < minval) minval = val;
  }

  printf("%lld\n", minval);
  return 0;
}

Compiler output:
a.cc: In function 'void getRightPos(uint&, uint&)':
a.cc:41:13: error: 'len' was not declared in this scope
   41 |   while(r < len) {
      |             ^~~
a.cc: In function 'int main()':
a.cc:75:7: error: 'i' was not declared in this scope
   75 |   REP(i,N) {
      |       ^
a.cc:75:3: error: 'REP' was not declared in this scope
   75 |   REP(i,N) {
      |   ^~~
Language: C++

#include<iostream>
#include<vector>
#include<cmath>
#include<algorithm>
#include<limits>
using namespace std;
using uint = unsigned int;
using ll = long long;

uint N;
ll A[200001];

void getLeftPos(uint& l, uint& c) {
  ll cval = B[c];
  ll pre_diff = abs((B[l - 1] - 0) - (cval - B[l - 1]));
  ll lsum, rsum;

  while(l < c) {
    lsum = B[l] - 0;
    rsum = cval - B[l];

    if (lsum - rsum > 0) {
      if (pre_diff < abs(lsum - rsum)) {
        --l;
      }
      return;
    }

    ++l;
    pre_diff = abs(lsum - rsum);
  }

  --l;
  return;
}

void getRightPos(uint& r, uint& c) {
  uint len = B.size() - 1;
  ll cval = B[c];
  ll eval = B[len];
  ll pre_diff = abs((B[r - 1] - cval) - (eval - B[r - 1]));
  ll lsum, rsum;

  while(r < len) {
    lsum = B[r] - cval;
    rsum = eval - B[r];

    if (lsum - rsum > 0) {
      if (pre_diff < abs(lsum - rsum)) {
        --r;
      }
      return;
    }
    ++r;
    pre_diff = abs(lsum - rsum);
  }

  --r;
  return;
}

ll getVal(uint l, uint c, uint r) {
  vector<ll> sum(4);
  sum[0] = B[l] - 0;
  sum[1] = B[c] - B[l];
  sum[2] = B[r] - B[c];
  sum[3] = B[B.size() - 1] - B[r];

  ll maxval = *max_element(sum.begin(), sum.end());
  ll minval = *min_element(sum.begin(), sum.end());

  return maxval - minval;
}

int main() {
  uint N;
  scanf("%u", &N);

  B[0] = 0;
  REP(i,N) {
    scanf("%d", &B[i+1]);
    B[i+1] += B[i];
  }

  ll minval = numeric_limits<ll>::max();
  uint l = 1, r = 3;
  for (uint c = 2; c <= N - 2; ++c) {
    if (r <= c) r = c + 1;

    getLeftPos(l, c);
    getRightPos(r, c);
    
    ll val = getVal(l, c, r);
    if (val < minval) minval = val;
  }

  printf("%lld\n", minval);
  return 0;
}

Compiler output:
a.cc: In function 'void getLeftPos(uint&, uint&)':
a.cc:14:13: error: 'B' was not declared in this scope
   14 |   ll cval = B[c];
      |             ^
a.cc: In function 'void getRightPos(uint&, uint&)':
a.cc:38:14: error: 'B' was not declared in this scope
   38 |   uint len = B.size() - 1;
      |              ^
a.cc: In function 'll getVal(uint, uint, uint)':
a.cc:64:12: error: 'B' was not declared in this scope
   64 |   sum[0] = B[l] - 0;
      |            ^
a.cc: In function 'int main()':
a.cc:79:3: error: 'B' was not declared in this scope
   79 |   B[0] = 0;
      |   ^
a.cc:80:7: error: 'i' was not declared in this scope
   80 |   REP(i,N) {
      |       ^
a.cc:80:3: error: 'REP' was not declared in this scope
   80 |   REP(i,N) {
      |   ^~~
Language: Java

import java.util.Scanner;

public class Main {
    public long getMaxDif(long[] s, int x, int y, int z) {
        long[] a = {0, 0, 0, 0};
        a[0] = s[x];
        a[1] = s[y] - s[x];
        a[2] = s[z] - s[y];
        a[3] = s[s.length - 1] - s[z];
        long max = a[0];
        long min = a[0];
        for (int i = 1; i < 4; ++i) {
            if (a[i] > max) {
                max = a[i];
            }
            if (a[i] < min) {
                min = a[i];
            }
        }
        return max - min;
    }
    
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int n = stdIn.nextInt();
        long[] array1 = new long[n];
        long[] array2 = new long[n];
        array1[0] = stdIn.nextLong();
        array2[0] = array1[0];
        for (int i = 1; i < n; ++i) {
            array1[i] = stdIn.nextLong();
            array2[i] = array2[i-1] + array1[i];
        }
        long mindif = Long.MAX_VALUE;
        int[] num = new int[3];
        for (int i1 = 0; i1 < n - 3; ++i1) {
            for (int i2 = i1 + 1; i2 < n - 2; ++i2) {
                for (int i3 = i2 + 1; i3 < n - 1; ++i3) {
                    long current = getMaxDif(array2, i1, i2, i3);
                    if (current < mindif) {
                        mindif = current;
                    }
                }
            }
        }
        System.out.print(mindif);
    }
}

Compiler output:
Main.java:39: error: non-static method getMaxDif(long[],int,int,int) cannot be referenced from a static context
                    long current = getMaxDif(array2, i1, i2, i3);
                                   ^
1 error
Language: Java

import java.util.Scanner;

public class Main {
    public long getMaxDif(long[] s, int x, int y, int z) {
        long[] a = {0, 0, 0, 0};
        a[0] = s[x];
        a[1] = s[y] - s[x];
        a[2] = s[z] - s[y];
        a[3] = s[s.length - 1] - s[z];
        long max = a[0];
        long min = a[0];
        for (int i = 1; i < 4; ++i) {
            if (a[i] > max) {
                max = a[i];
            }
            if (a[i] < min) {
                min = a[i];
            }
        return max - min;
   
    
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int n = stdIn.nextInt();
        long[] array1 = new long[n];
        long[] array2 = new long[n];
        array1[0] = stdIn.nextLong();
        array2[0] = array1[0];
        for (int i = 1; i < n; ++i) {
            array1[i] = stdIn.nextLong();
            array2[i] = array2[i-1] + array1[i];
        }
        long mindif = Long.MAX_VALUE;
        int[] num = new int[3];
        for (int i1 = 0; i1 < n - 3; ++i1) {
            for (int i2 = i1 + 1; i2 < n - 2; ++i2) {
                for (int i3 = i2 + 1; i3 < n - 1; ++i3) {
                    long current = getMaxDif(array2, i1, i2, i3);
                    if (current < mindif) {
                        mindif = current;
                    }
                }
            }
        }
        System.out.print(mindif);
    }
}

Compiler output:
Main.java:22: error: illegal start of expression
    public static void main(String[] args) {
    ^
1 error
Language: Java

import java.util.Scanner;

public class Main {
    public static long getMaxDif(long[] s, int x, int y, int z) {
        /*
        long[] a = {0, 0, 0, 0};
        a[0] = s[x];
        a[1] = s[y] - s[x];
        a[2] = s[z] - s[y];
        a[3] = s[s.length - 1] - s[z];
        long max = a[0];
        long min = a[0];
        for (int i = 1; i < 4; ++i) {
            if (a[i] > max) {
                max = a[i];
            }
            if (a[i] < min) {
                min = a[i];
            }
        */
        return Math.max(
            Math.max(Math.max(Math.abs(2 * s[x] - s[y]),Math.abs(s[z] - 2 * s[y] + s[x])),
            Math.abs(s[s.length - 1] - 2 * s[z] + s[y])),
            Math.max(Math.max(Math.abs(s[x] - s[z] + s[y]),Math.abs(s[y] - s[x] - s[s.length - 1] + s[z])),
            Math.abs(s[x] - s[s.length - 1] + s[z]))
            )
            -
            Math.min(
            Math.min(Math.max(Math.abs(2 * s[x] - s[y]),Math.abs(s[z] - 2 * s[y] + s[x])),
            Math.abs(s[s.length - 1] - 2 * s[z] + s[y])),
            Math.min(Math.min(Math.abs(s[x] - s[z] + s[y]),Math.abs(s[y] - s[x] - s[s.length - 1] + s[z])),
            Math.abs(s[x] - s[s.length - 1] + s[z]))
            );
    }     }
        return max - min;
   
    
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int n = stdIn.nextInt();
        long[] array1 = new long[n];
        long[] array2 = new long[n];
        array1[0] = stdIn.nextLong();
        array2[0] = array1[0];
        for (int i = 1; i < n; ++i) {
            array1[i] = stdIn.nextLong();
            array2[i] = array2[i-1] + array1[i];
        }
        long mindif = Long.MAX_VALUE;
        int[] num = new int[3];
        for (int i1 = 0; i1 < n - 3; ++i1) {
            for (int i2 = i1 + 1; i2 < n - 2; ++i2) {
                for (int i3 = i2 + 1; i3 < n - 1; ++i3) {
                    long current = getMaxDif(array2, i1, i2, i3);
                    if (current < mindif) {
                        mindif = current;
                    }
                }
            }
        }
        System.out.print(mindif);
    }
}

Compiler output:
Main.java:35: error: class, interface, enum, or record expected
        return max - min;
        ^
Main.java:38: error: unnamed classes are a preview feature and are disabled by default.
    public static void main(String[] args) {
                  ^
  (use --enable-preview to enable unnamed classes)
Main.java:63: error: class, interface, enum, or record expected
}
^
3 errors
Language: Java

import java.util.Scanner;

public class Main {
    public static long getMaxDif(long[] s, int x, int y, int z) {
        long[] a = {0, 0, 0, 0};
        a[0] = s[x];
        a[1] = s[y] - s[x];
        a[2] = s[z] - s[y];
        a[3] = s[s.length - 1] - s[z];
        long max = a[0];
        long min = a[0]
        for (int i = 1; i < 4; ++i) {
            if (a[i] > max) {
                max = a[i];
            }
            if (a[i] < min) {
                min = a[i];
            }
        }
        return max - min;
    }
    
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int n = stdIn.nextInt();
        long[] array1 = new long[n];
        long[] array2 = new long[n];
        array1[0] = stdIn.nextLong();
        array2[0] = array1[0];
        for (int i = 1; i < n; ++i) {
            array1[i] = stdIn.nextLong();
            array2[i] = array2[i-1] + array1[i];
        }
        long mindif = Long.MAX_VALUE;
        int[] num = new int[3];
        for (int i1 = 0; i1 < n - 3; ++i1) {
            for (int i2 = i1 + 1; i2 < n - 2; ++i2) {
                for (int i3 = i2 + 1; i3 < n - 1; ++i3) {
                    long current = getMaxDif(array2, i1, i2, i3);
                    if (current < mindif) {
                        mindif = current;
                    }
                }
            }
        }
        System.out.print(mindif);
    }
}

Compiler output:
Main.java:11: error: ';' expected
        long min = a[0]
                       ^
1 error
Language: Java

import java.util.Scanner;

public class Main {
    public static long getMaxDif(long[] s, int x, int y, int z) {
        long[] a = {0, 0, 0, 0};
        a[0] = s[x];
        a[1] = s[y] - s[x];
        a[2] = s[z] - s[y];
        a[3] = s[s.length - 1] - s[y];
        long max = 0;
        for (int i = 0; i < 4; ++i) {
            if (a[i] > max) {
                max = a[i];
            }
        }
        long min = a[0];
        for (int i = 1; i < 4; ++i) {
            if (a[i] < min) {
                min = a[i];
            }
        }
        return max - min;
    }
    
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int n = stdIn.nextInt();
        long[] array1 = new long[n];
        long[] array2 = new long[n];
        array1[0] = stdIn.nextLong();
        array2[0] = array1[0];
        for (int i = 1; i < n; ++i) {
            array1[i] = stdIn.nextLong();
            array2[i] = array2[i-1] += array[i];
        }
        long mindif = Long.MAX_VALUE;
        int[] num = new int[3];
        for (int i1 = 0; i1 < n - 3; ++i1) {
            for (int i2 = i1 + 1; i2 < n - 2; ++i2) {
                for (int i3 = i2 + 1; i3 < n - 1; ++i3) {
                    long current = getMaxDif(array2, i1, i2, i3);
                    if (current < mindif) {
                        mindif = current;
                    }
                }
            }
        }
        System.out.print(mindif);
    }
}

Compiler output:
Main.java:34: error: cannot find symbol
            array2[i] = array2[i-1] += array[i];
                                       ^
  symbol:   variable array
  location: class Main
1 error
Language: Java

import java.util.Scanner;

public class X {
    static long getMaxDif(long[] r, int x, int y, int z) {
        long[] a = {0, 0, 0, 0};
        int k = 0;
        for (int i = 0; i < r.length; ++i) {
            a[k] += r[i];
            if (i == x || i == y || i == z) {
                ++k;
            }
        }
        long max = 0;
        for (int i = 0; i < 4; ++i) {
            if (a[i] > max) {
                max = a[i];
            }
        }
        long min = a[0];
        for (int i = 1; i < 4; ++i) {
            if (a[i] < min) {
                min = a[i];
            }
        }
        return max - min;
    }
    
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int n = stdIn.nextInt();
        long[] array1 = new long[n];
        for (int i = 0; i < n; ++i) {
            array1[i] = stdIn.nextLong();
        }
        long mindif = Long.MAX_VALUE;
        int[] num = new int[3];
        for (int i1 = 0; i1 < n - 3; ++i1) {
            for (int i2 = i1 + 1; i2 < n - 2; ++i2) {
                for (int i3 = i2 + 1; i3 < n - 1; ++i3) {
                    long current = getMaxDif(array1, i1, i2, i3);
                    if (current < mindif) {
                        mindif = current;
                    }
                }
            }
        }
        System.out.print(mindif);
    }
}

Compiler output:
Main.java:3: error: class X is public, should be declared in a file named X.java
public class X {
       ^
1 error
Language: Java

import java.util.Scanner;

class X {
    static int getMaxDif(long[] r, int x, int y, int z) {
        long[] a = {0, 0, 0, 0};
        int k = 0;
        for (int i = 0; i < r.length; ++i) {
            a[k] += r[i];
            if (i == x || i == y || i == z) {
                ++k;
            }
        }
        int max = 0;
        for (int i = 0; i < 4; ++i) {
            if (a[i] > max) {
                max = a[i];
            }
        }
        int min = a[0];
        for (int i = 1; i < 4; ++i) {
            if (a[i] < min) {
                min = a[i];
            }
        }
        return max - min;
    }
    
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int n = stdIn.nextInt();
        long[n] array1;
        for (int i = 0; i < n; ++i) {
            array1[i] = stdIn.nextLong();
        }
        long mindif = Long.MAX_VALUE;
        int[3] = num;
        for (int i1 = 0; i1 < n - 3; ++i1) {
            for (int i2 = i1 + 1; i2 < n - 2; ++i2) {
                for (int i3 = i2 + 1; i3 < n - 1; ++i3) {
                    long current = getMaxDif(array1, i1, i2, i3);
                    if (current < mindif) {
                        mindif = current;
                    }
                }
            }
        }
        System.out.printf("%lo",mindif);
    }
}

Compiler output:
Main.java:31: error: ']' expected
        long[n] array1;
             ^
Main.java:31: error: ';' expected
        long[n] array1;
              ^
Main.java:31: error: not a statement
        long[n] array1;
                ^
Main.java:36: error: ']' expected
        int[3] = num;
            ^
Main.java:36: error: not a statement
        int[3] = num;
           ^
Main.java:36: error: not a statement
        int[3] = num;
                 ^
6 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int (i)=a;(i)<=(b);++(i))
 
const int maxn =1e4 + 10;
 
long long a[200005];
long long l[200005],r[200005];
int main() {
 
  long long n;
  cin>>n;
  a[0] = 0;
 
  FOR(i,1,n){
    cin >> a[i];
    a[i]+=a[i-1];
  }
 

Compiler output:
a.cc: In function 'int main()':
a.cc:18:4: error: expected '}' at end of input
   18 |   }
      |    ^
a.cc:9:12: note: to match this '{'
    9 | int main() {
      |            ^
Language: Java

import java.util.Scanner;
 
public class Main {
 
	public static void main(String[] args) {
		// 文字列をスキャンするための関数の呼び出し
		Scanner sc = new Scanner(System.in);
 	
 		// 数値Nを読み取る。
		int N = sc.nextInt();

		// N個の配列a[]を定義する。
		int a[] = new int[N];
		// imos法を用いて、1番目からの項の和である配列sum[]を定義する。
		long sum[] = new long[N];
		
		a[0] = sc.nextInt();
		sum[0] = a[0];

		for(int i=1;i<N;i++){
			a[i] = sc.nextInt();
			sum[i] = sum[i-1] + a[i];
		}

		int rcut1 = 0;
		int rcut3 = 2;
		long rdiff = Long.MAX_VALUE;

		for(int cut2=1;cut2 < N-2;cut2++){

			long dev1diff = Long.MAX_VALUE;

			for(int cut1 = rcut1;cut1 < cut2;cut1++){

				long diff = Math.abs(c[cut1] - (c[cut2] - c[cut1]));

				if(dev1diff >= diff) {
					dev1diff = diff;
					rcut1 = cut1;
				} else {
					break;
				}
			}
			

			long dev2diff = Long.MAX_VALUE;
			
			for(int cut3 = cut2 + 1 < rcut3 ? rcut3 : cut2 + 1;cut3 < N-1;cut3++){

				long diff = Math.abs((c[cut3] - c[cut2]) - (c[N-1] - c[cut3]));

				if(dev2diff >= diff){
					dev2diff = diff;
					rcut3 = cut3;
				}else{
					break;
				}
			}
			long a1 = sum[rcut1];
			long a2 = sum[cut2] - sum[rcut1];
			long a3 = sum[rcut3] - sum[cut2];
			long a4 = sum[N-1] - sum[rcut3];

			long max = Math.max(Math.max(a1,a2),Math.max(a3,a4));
			long min = Math.min(Math.min(a1,a2),Math.min(a3,a4));
			rdiff = rdiff < max - min?rdiff:max-min;

		}

		System.out.println(rdiff);
	}
 
}

Compiler output:
Main.java:35: error: cannot find symbol
				long diff = Math.abs(c[cut1] - (c[cut2] - c[cut1]));
				                     ^
  symbol:   variable c
  location: class Main
Main.java:35: error: cannot find symbol
				long diff = Math.abs(c[cut1] - (c[cut2] - c[cut1]));
				                                ^
  symbol:   variable c
  location: class Main
Main.java:35: error: cannot find symbol
				long diff = Math.abs(c[cut1] - (c[cut2] - c[cut1]));
				                                          ^
  symbol:   variable c
  location: class Main
Main.java:50: error: cannot find symbol
				long diff = Math.abs((c[cut3] - c[cut2]) - (c[N-1] - c[cut3]));
				                      ^
  symbol:   variable c
  location: class Main
Main.java:50: error: cannot find symbol
				long diff = Math.abs((c[cut3] - c[cut2]) - (c[N-1] - c[cut3]));
				                                ^
  symbol:   variable c
  location: class Main
Main.java:50: error: cannot find symbol
				long diff = Math.abs((c[cut3] - c[cut2]) - (c[N-1] - c[cut3]));
				                                            ^
  symbol:   variable c
  location: class Main
Main.java:50: error: cannot find symbol
				long diff = Math.abs((c[cut3] - c[cut2]) - (c[N-1] - c[cut3]));
				                                                     ^
  symbol:   variable c
  location: class Main
7 errors