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

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

int main(){
int n;
  cin >> n;
int d[n];
  
for(int i=0;i<n;i++) {
  cin >> d[i];
}
int count=0;
  int sum=d[0];
  int f  =0;  
if(d[0]>0){
  f=-1; 
}
if(d[0]<0){
  f=1;
}
for(int i=1;i<n;i++){
  sum+=d[i];
  if(sum==0){
    if(f==1){
    count++;
      f=-1;
      sum=1;
      continue;
    }
    if(f==-1){
    count++;
      f=1;
      sum=-1;
      continue;
    }
  }
  if(sum>0){
     if(f==1){
     f=-1;
     continue;
     }
     if(f==-1){
       count+=sum+1;
       sum=-1;
       f=1;
       continue;
      }
  }
  if(sum<0){
     if(f==-1){
       f=1;
       continue;
  }          
     if(f==1){
       count+=1-sum;
       sum=1;
       f=-1;
       continue;  
     }  
  }
}
int ccount=0;
  int ssum;
  int ff  =0;  
if(d[0]>0){
  ff=1;
  ccount=1+d[0];
  ssum=-1;
}
if(d[0]<0){
  ff=-1;
  ccount=1-d[0];
  ssum=1;
}  
for(int i=1;i<n;i++){
  ssum+=d[i];
  if(ssum==0){
    if(ff==1){
    ccount++;
      ff=-1;
      ssum=1;
      continue;
    }
    if(ff==-1){
    ccount++;
      ff=1;
      ssum=-1;
      continue;
    }
  }
  if(ssum>0){
     if(ff==1){
     ff=-1;
     continue;
     }
     if(ff==-1){
       ccount+=ssum+1;
       ssum=-1;
       ff=1;
       continue;
      }
  }
  if(ssum<0){
     if(ff==-1){
       ff=1;
       continue;
  }          
     if(ff==1){
       ccount+=1-ssum;
       ssum=1;
       ff=-1;
       continue;  
     }  
  }
}
int s= min(count,ccount)  
 cout << s << endl; 
}  

Compiler output:
a.cc: In function 'int main()':
a.cc:117:2: error: expected ',' or ';' before 'cout'
  117 |  cout << s << endl;
      |  ^~~~
Language: C++

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

int main(){
int n;
  cin >> n;
int d[n];
  
for(int i=0;i<n;i++) {
  cin >> d[i];
}
int count=0;
  int sum=d[0];
  int f  =0;  
if(d[0]>0){
  f=-1; 
}
if(d[0]<0){
  f=1;
}
for(int i=1;i<n;i++){
  sum+=d[i];
  if(sum==0){
    if(f==1){
    count++;
      f=-1;
      sum=1;
      continue;
    }
    if(f==-1){
    count++;
      f=1;
      sum=-1;
      continue;
    }
  }
  if(sum>0){
     if(f==1){
     f=-1;
     continue;
     }
     if(f==-1){
       count+=sum+1;
       sum=-1;
       f=1;
       continue;
      }
  }
  if(sum<0){
     if(f==-1){
       f=1;
       continue;
  }          
     if(f==1){
       count+=1-sum;
       sum=1;
       f=-1;
       continue;  
     }  
  }
}
int ccount=0;
  int ssum=;
  int ff  =0;  
if(d[0]>0){
  ff=1;
  ccount=-1-d[0];
  ssum=-1;
}
if(d[0]<0){
  ff=-1;
  ccount=1-d[0];
  ssum=1;
}  
for(int i=1;i<n;i++){
  sum+=d[i];
  if(ssum==0){
    if(ff==1){
    ccount++;
      ff=-1;
      ssum=1;
      continue;
    }
    if(ff==-1){
    ccount++;
      ff=1;
      ssum=-1;
      continue;
    }
  }
  if(ssum>0){
     if(f==1){
     ff=-1;
     continue;
     }
     if(ff==-1){
       ccount+=sum+1;
       ssum=-1;
       ff=1;
       continue;
      }
  }
  if(ssum<0){
     if(ff==-1){
       ff=1;
       continue;
  }          
     if(ff==1){
       ccount+=1-sum;
       ssum=1;
       ff=-1;
       continue;  
     }  
  }
}
  
 cout << min(count,ccount) << endl; 
}  

Compiler output:
a.cc: In function 'int main()':
a.cc:63:12: error: expected primary-expression before ';' token
   63 |   int ssum=;
      |            ^
Language: C++

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

int main(){
int n;
  cin >> n;
int d[n];
  
for(int i=0;i<n;i++) {
  cin >> d[i];
}
int count=0;
  int sum=d[0];
  int f  =0;  
if(d[0]>0){
  f=-1; 
}
if(d[0]<0){
  f=1;
}
for(int i=1;i<n;i++){
  sum+=d[i];
if(sum>0){
 if(f==1){
   f=-1;
   continue;
 }
 if(f==-1){
  count+=sum+1;
  sum=-1;
  f=1;
  continue;
}
}
if(sum<0){
  if(f==-1){
    f=1;
  continue;
  }          
  if(f==1){
  count+=1-sum;
  sum=1;
  f=-1;
  continue;  
}  
}  
 cout << count << endl; 
}  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:48:2: error: expected '}' at end of input
   48 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int main(){
int n;
  cin >> n;
int d[n];
  
  for(int i=0;i<n;i++) cin >> d[i];
  int count=0;
  int sum=d[0];
  int f  =0;
  if(d[0]>0){
  f=-1; 
}
if(d[0]<0){
  f=1;
}
for(int i=1;i<n;i++){
  sum+=d[i];
if(sum>0){
 if(f==1){
   f=-1;
   continue;
 }
 if(f==-1){
  count+=sum+1;
  sum=-1;
  f=1;
  continue;
}
}
if(sum<0){
  if(f==-1){
    f=1;
  continue;
  }          
  if(f==1){
  count+=1-sum;
  sum=1;
  f=-1;
  continue;  
}  
}  
 cout << count << endl; 
}  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:46:2: error: expected '}' at end of input
   46 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int main(){
int n;
  cin >> n;
int d[n];
  
  for(int i=0;i<n;i++) cin >> d[i];
  int count=0;
  int sum=d[0];
  int f  =0;
  if(d[0]>0){
  f=-1; 
}
if(d[0]<0){
  f=1;
}
for(int i=1;i<n;i++){
  sum+=d[i];
if(sum>0){
 if(f==1) {
   f=-1;
   continue;
 }
 if(f==-1){
  count+=sum+1;
  sum=-1;
  f=1;
  continue;
}
if(sum<0){
  if(f==-1){
    f=1;
  continue;
  }          
  if(f==1){
  count+=1-sum;
  sum=1;
  f=-1;
  continue;  
}  
}  
 cout << count << endl; 
}  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:45:2: error: expected '}' at end of input
   45 | }
      |  ^
a.cc:19:21: note: to match this '{'
   19 | for(int i=1;i<n;i++){
      |                     ^
a.cc:45:2: error: expected '}' at end of input
   45 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < (n); ++i)
using ll = long long;
using P = pair<int, int>;

int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  rep(i, n) cin >> a[i];

  int sum = 0;
  int sign = 1;
  int cout = 0;
  int ans = INT_MAX;
  // if 0   +1
  rep(j, 2){
    if (j == 0) sign = 1;
    else sign = -1;
    sum = 0;
    cout = 0;
    rep(i, n){
      sum += a[i];
      if ((sign > 0) && (sum <= 0)){
        cout += (1 - sum);
        sum = 1;
      } else if ((sign < 0) && (sum >= 0)){
        cout += abs(-1 - sum);
        sum = -1;
      }
      sign = sign == 1 ? -1 : 1;
    }
    if (ans > cout) ans = cout;
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:15: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   36 |   cout << ans << endl;
      |   ~~~~~~~~~~~~^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, c) for (int i = 0; i < (int)c; i++)
int main()
{
	int n;
	scanf("%d", &n);
	vector<int> a(n);
	rep(i, n) scanf("%d", &a[i]);

	ll temp = 0;

	//+-
	ll pm = 0;
	rep(i, n) {
		temp = temp + a[i];
		if(i % 2 == 0) {
			if(temp <= 0) {
				pm = pm + 1 - temp;
				temp = 1;
			}
		}
		else {
			if(temp >= 0) {
				pm = pm + 1 + temp;
				temp = -1;
			}
		}
	}

	//-+
	ll mp = 0;
	temp = 0;
	rep(i, n) {
		temp = temp + a[i];
		if(i % 2 == 1) {
			if(temp <= 0) {
				mp = mp + 1 - temp;
				temp = 1;
			}
		}
		else {
			if(temp >= 0) {
				mp = mp + 1 + temp;
				temp = -1;
			}
		}
	}

	printf("%lld\n", min(pm, mp));
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'll' was not declared in this scope
   11 |         ll temp = 0;
      |         ^~
a.cc:14:11: error: expected ';' before 'pm'
   14 |         ll pm = 0;
      |           ^~~
      |           ;
a.cc:16:17: error: 'temp' was not declared in this scope; did you mean 'tm'?
   16 |                 temp = temp + a[i];
      |                 ^~~~
      |                 tm
a.cc:19:33: error: 'pm' was not declared in this scope; did you mean 'tm'?
   19 |                                 pm = pm + 1 - temp;
      |                                 ^~
      |                                 tm
a.cc:25:33: error: 'pm' was not declared in this scope; did you mean 'tm'?
   25 |                                 pm = pm + 1 + temp;
      |                                 ^~
      |                                 tm
a.cc:32:11: error: expected ';' before 'mp'
   32 |         ll mp = 0;
      |           ^~~
      |           ;
a.cc:33:9: error: 'temp' was not declared in this scope; did you mean 'tm'?
   33 |         temp = 0;
      |         ^~~~
      |         tm
a.cc:38:33: error: 'mp' was not declared in this scope
   38 |                                 mp = mp + 1 - temp;
      |                                 ^~
a.cc:44:33: error: 'mp' was not declared in this scope
   44 |                                 mp = mp + 1 + temp;
      |                                 ^~
a.cc:50:30: error: 'pm' was not declared in this scope; did you mean 'tm'?
   50 |         printf("%lld\n", min(pm, mp));
      |                              ^~
      |                              tm
a.cc:50:34: error: 'mp' was not declared in this scope
   50 |         printf("%lld\n", min(pm, mp));
      |                                  ^~
Language: C++

#include <bits/stdc++.h>
#include <cassert>
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define ok() puts(ok?"Yes":"No");
#define chmax(x,y) x = max(x,y)
#define chmin(x,y) x = min(x,y)
using namespace std;
using ll = long long;
using vi = vector<int>;
using vll = vector<ll>;
using ii = pair<int, int>;
using vvi = vector<vi>;
using vii = vector<ii>;
using gt = greater<int>;
using minq = priority_queue<int, vector<int>, gt>;
using P = pair<ll,ll>;
const ll LINF = 1e18L + 1;
const int INF = 1e9 + 1;
//clang++ -std=c++11 -stdlib=libc++ 

int main() {
  int n; cin >> n;
  int a(n);
  rep(i,n) cin>>a[i];
  ll ans = LINF;
  
  // even is positive
  // odd is nevgative
  ll sum=0;
  ll num=0;
  rep(i,n) {
    sum+=a[i];
    if (i&1) {
      if (sum>=0) {
        num += (sum + 1);
        sum = -1;
      }
    } else {
      if (sum <= 0) {
        num += (-sum + 1);
        sum = 1;
      }
    }
  }
  chmin(ans, num);
  // even is negative
  // odd is positive
  num = 0;
  sum = 0;
  rep(i,n) {
    sum+=a[i];
    if (i&1) {
      if (sum <= 0) {
        num += (-sum + 1);
        sum = 1;
      }
    } else {
      if (sum>=0) {
        num += (sum + 1);
        sum = -1;
      }
    }
  }
  chmin(ans, num);
  printf("%lld\n", ans);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:18: error: invalid types 'int[int]' for array subscript
   24 |   rep(i,n) cin>>a[i];
      |                  ^
a.cc:32:11: error: invalid types 'int[int]' for array subscript
   32 |     sum+=a[i];
      |           ^
a.cc:51:11: error: invalid types 'int[int]' for array subscript
   51 |     sum+=a[i];
      |           ^
Language: C++

#include<bits/stdc++.h>
#define FF ios_base::sync_with_stdio(0);cin.tie(0)
#define binary(value, size) cout << bitset<size>(value) << '\n'
#define PI acos(-1.0)   //3.1416(180 degree to radian)
#define PIby2 asin(1)     //(3.1416/2) for angle(90 degree to radian)
#define eps 1e-67
#define pf printf
#define sf scanf
#define sz size()
#define rr read
#define ww write
#define clr(arr) memset((arr),0,(sizeof(arr)))
#define rep(i,a,b) for(long long int i=a;i<b;i++)
#define repb(i,a,b) for(long long int i=a;i>=b;i--)
#define repa(i,a,b,c) for(long long int i=a;i<b;i=i+c)
#define reps(i,a,b,c) for(long long int i=a;i>b;i=i-c)
#define asort(a) sort(a.begin(),a.end())
#define asort2(a,comp) sort(a.begin(),a.end(),comp)
#define arev(a) reverse(a.begin(),a.end())
#define all(v) (v).begin(),(v).end()
#define all2(v,a,b) (v).begin()+a,(v).end()-b
#define F first
#define S second
#define pb push_back
#define eb emplace_back
#define pbb pop_back
#define mp make_pair
#define mt make_tuple
#define BS(v,x) binary_search(v.begin(),v.end(),x) //return true /false
#define LB(v,x) lower_bound(v.begin(),v.end(),x) //found and that value and not found than greater value pos
#define UB(v,x) upper_bound(v.begin(),v.end(),x) //found and greater value pos && not found also greater pos
#define convertlower(c) towlower(c)
#define root(x) sqrt(x)
#define power(a,n) pow(a,n)
#define tu(c) towupper(c)
#define sq(a) ((a)*(a))
#define cube(a) ((a)*(a)*(a))
#define mx 1000
#define MX 100000
#define mod 1000000007
#define INF 2000000000
#define N 10000000
#define Ceil(n) (long long int)ceil(n)
#define Floor(n) (long long int)floor(n)
#define deb(x) std::cout << #x << " = " << x << std::endl;
#define out(ans) cout<<ans<<endl
#define outs(ans) cout<<ans<<" "<<endl
using namespace std;
typedef string str;
typedef long long int ll;
typedef double lf;
typedef long double llf;
typedef unsigned long long int ull;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<pll> vpll;
typedef char ch;
typedef map<ll,ll> mpl;




int main()
{
    ll tc;
    cin>>n;
    vll v;
    rep(i,0,n)
    {
        ll d; cin>>d; v.pb(d);
    }
    ll sign=1,sum=0,ans1=0,ans2=0;
    rep(i,0,n)
    {
        sum+=v[i];
        if(sign*sum<=0) ans1+=labs(sign-sum),sum=sign;
        sign*=-1;
    }
    sign=-1,sum=0;
    rep(i,0,n)
    {
        sum+=v[i];
        if(sign*sum<=0) ans2+=labs(sign-sum),sum=sign;
        sign*=-1;
    }
    cout<<min(ans1,ans2)<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:68:10: error: 'n' was not declared in this scope; did you mean 'yn'?
   68 |     cin>>n;
      |          ^
      |          yn
Language: C++

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

#define rep(i,n) for(int i = 0; i < (n); ++i)
#define rep2(i,s,n) for(int i = (s); i < (n); ++i)
#define ll long long
#define ld long double
#define P pair<ll,ll>
#define all(v) v.begin(),v.end()

const ll mod = 1e9+7;
const ll INF = 1e18;
const double pi = acos(-1.0);

int main(void)
{
    ll n; cin>>n;
    vector<ll> a(n);
    rep(i,n) cin>>a[i];
    
    ll ans=0,sum=0;

    rep(i,n){
        sum+=a[i];
        if(i%2==0){
            if(sum<=0){
                ans+=abs(1-sum);
                sum=1;
            }
            else{
                if(sum>=0){
                    ans+=abs(1-sum);
                    sum=-1;
                }
            }
        }
    }
    ll tmp=0,sum=0;
    rep(i,n){
        sum+=a[i];
        if(i%2==1){
            if(sum<=0){
                tmp+=abs(1-sum);
                sum=1;
            }
            else{
                if(sum>=0){
                    tmp+=abs(1-sum);
                    sum=-1;
                }
            }
        }
    }
    ans = min(ans,tmp);
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:14: error: redeclaration of 'long long int sum'
   38 |     ll tmp=0,sum=0;
      |              ^~~
a.cc:21:14: note: 'long long int sum' previously declared here
   21 |     ll ans=0,sum=0;
      |              ^~~
Language: C++

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

/*int check(vector<int> a){
	int time = 0;
	int pre_sum = a.at(0);
	int n = a.size();
	if(a.at(0)<0){
		for(int i = 1; i<n; i++){
			int sum = pre_sum + a.at(i);
			if(i%2==1 && sum <= 0){
				time += abs(sum-1);
				sum = 1;
			}else if (i%2==0 && sum >=0){
				time += abs(sum+1);
				sum = -1;
			}
			pre_sum = sum;
		}
	}else if(a.at(0)>0){
		for(int i = 1; i<n; i++){
			int sum = pre_sum + a.at(i);
			if(i%2==0 && sum <= 0){
				time += abs(sum-1);
				sum = 1;
			}else if(i%2==1 && sum >=0){
				time += abs(sum+1);
				sum = -1;
			}
			pre_sum = sum;
		}
	}
	return time;
}

int zerocheck(vector<int> a){
	a.at(0) = 1;
	int time1 = check(a)+1;
	a.at(0) = -1;
	int time2 = check(a)+1;
	int time = min(time1, time2);
	return time;
}

int main(){
	int n;
	cin >> n;
	int time = 0;
	vector<int> a(n);
	for(auto& x:a){
		cin >> x;
	}
	if(a.at(0) == 0){
		time = zerocheck(a);
	}else{
		time = check(a);
	}
	cout << time << endl;

}*/

int main(){
	int n;
	cin >> n;
	vector<int> a(n);
	for(auto& x: a){
		cin >> x;
	}
	int sum1 = 0;
	int sum2 = 0;
	int time1 = 0;
	int time2 = 0;

	for(int i =0;i<n;i++){
		sum1 += a.at(i);
		sum2 += a.at(i);
		if(i%2 == 0){
			if(sum1<=0){
				time1 += sum1*(-1)+1;
				sum1 = 1;
			}
			if(sum2>=0){
				time2 += sum2+1;
				sum2 = -1;
			}
		}
		if(i%2==1){
			if(sum1>=0){
				time1 += sum1+1:
				sum1 = -1;
			}
			if(sum2<=0){
				time2 += sum2*(-1)+1;
				sum2 = 1;
			}
		}
	}
	cout << min(time1, time2) << endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:89:48: error: expected ';' before ':' token
   89 |                                 time1 += sum1+1:
      |                                                ^
      |                                                ;
Language: C++

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



int main(){
	int n;
	cin >> n;
	vector<int> a(n);
	for(auto& x:a){
		cin >> x;
	}
	int sum = 0;
	int count1 = 0;
	int count2 = 0;
	for(int i = 0; i<n; i++){
		sum += a.at(i);
		if(i_sum>=0 && i%2==1){
				sum -= abs(sum)+1;
				count1 += abs(sum) +1;
		}else if(i_sum<=0 && i%2==0){
				sum += abs(sum)+1;
				count1 += abs(sum)+1;
			}
		}
		sum =0;
		for(int i = 0; i<n; i++){
			sum += a.at(i);
			if(i_sum>=0 && i%2==0){
					sum -= abs(sum)+1;
					count2 += abs(sum) +1;
			}else if(i_sum<=0 && i%2==1){
					sum += abs(sum)+1;
					count2 += abs(sum)+1);
			}
			}
		int count;
		count = min(count1, count2);
		cout << count << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:20: error: 'i_sum' was not declared in this scope; did you mean 'sum'?
   18 |                 if(i_sum>=0 && i%2==1){
      |                    ^~~~~
      |                    sum
a.cc:29:28: error: 'i_sum' was not declared in this scope; did you mean 'sum'?
   29 |                         if(i_sum>=0 && i%2==0){
      |                            ^~~~~
      |                            sum
a.cc:34:61: error: expected ';' before ')' token
   34 |                                         count2 += abs(sum)+1);
      |                                                             ^
      |                                                             ;
Language: C++

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

int keta(int num){
  int ans= 0 ;
  int rem;

  for (int i = 4; i >= 0 ; i--){
    rem = pow(10,i);
    ans += (num / rem); 
    num = num % rem;
  }
  return ans;
}


int main() {
  int n;
  cin >> n;

  vector<int64_t> ar(n);


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

  int ans1, ans2 = 0;
  int cum = 0;
 
    //偶数が正の場合
  for(int i = 0; i < n; i++){
    int next = cum + ar[i];
    if(i % 2 == 0){
        if(next <= 0){
            ans1 += abs(next - 1);
            cum = 1;
        }else{
            cum = next;
        
        }
    }else{
        if(next >= 0){
            ans1 += abs(next + 1);
            cum = -1;
        }else{
            cum = next;
        }
    }

     //偶数が負の場合
  for(int i = 0; i < n; i++){
    int next = cum + ar[i];
    if(i % 2 == 0){
        if(next >= 0){
            ans2 += abs(next + 1);
            cum = -1;
        }else{
            cum = next;
        
        }
    }else{
        if(next <= 0){
            ans2 += abs(next - 1);
            cum = 1;
        }else{
            cum = next;
        }
    }
    cout << min(ans1, ans2) << endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:72:2: error: expected '}' at end of input
   72 | }
      |  ^
a.cc:32:29: note: to match this '{'
   32 |   for(int i = 0; i < n; i++){
      |                             ^
a.cc:72:2: error: expected '}' at end of input
   72 | }
      |  ^
a.cc:17:12: note: to match this '{'
   17 | int main() {
      |            ^
Language: C++

#include <bits/stdc++/h>

using namespace std;

int change_num(int a[], int N)
  int res
  int sum = a[0];
  for (int i = 1; i < N; i++) {
    if(sum * (sum + a[i]) < 0) continue;
  
    if(sum > 0 && sum + a[i] >= 0) {
      sum += a[i];
      while (sum + a[i] >= 0) {
        res++;
        sum--;
      }
    } else if (sum < 0 && sum + a[i] < 0) {
      while (sum + a[i] <= 0) {
        res++;
        sum++;
      }
    }
  }
  return res;
}



int main() {
  int N;
  cin >> N;
  
  int a[N];
  for (int i = 0; i < N; i++)
    cin >> a[i];
    
  int ans = 0;
  int sum = a[0];
  
  if (a[0] == 0) {
    int plus_ans;
    a[0] = 1;
    plus_ans = change_num(a, N) + 1;
    
    int minus_ans = 1;
    a[0] = -1;
    minus_ans = change_num(a, N) + 1;
    
    if(plus_ans < minus_ans) {
      ans = plus_ans;
    } else {
      ans = minus_ans;
    }
    
  } else {
    ans = change_num(a)
      
  }
  cout << ans << endl;
}

Compiler output:
a.cc:1:10: fatal error: bits/stdc++/h: No such file or directory
    1 | #include <bits/stdc++/h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <vector>

long body(std::vector<long>& a){
    long ans  = 0;
    
    std::vector<long> s(a.size());
    s.at(0) = a.at(0);
    for(unsigned long i = 1; i < a.size(); i++){
        s.at(i) = s.at(i-1) + a.at(i);
    }

    long diff = 0;
    for(unsigned long i = 1; i < s.size(); i++){
        s.at(i) += diff; // update
        long n = 0;
        if(s.at(i-1) > 0 && s.at(i) >= 0){
            n = s.at(i) + 1;
            ans += n;
            diff -= n;
            s.at(i) += diff;
        }else if(s.at(i-1) < 0 && s.at(i) <= 0){
            n = - s.at(i) + 1;
            ans += n;
            diff += n;
            s.at(i) += diff;
        }
    }
    return ans;
}

int main(int argc, char **argv)
{
    long n;
    std::cin >> n;

    std::vector<long> a(n);
    for(long i = 0; i < n; i++){
        std::cin >> a.at(i);
    }

    if(a.at(0) != 0){
        ans = body(a);
    }else{
        a.at(0) = -1;
        long ans_a = body(a) + 1;
        a.at(0) = 1;
        long ans_b = body(a) + 1;
        ans = std::min(ans_a, ans_b);
    }

    std::cout << ans << std::endl;
    
}


Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:43:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   43 |         ans = body(a);
      |         ^~~
      |         abs
a.cc:49:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   49 |         ans = std::min(ans_a, ans_b);
      |         ^~~
      |         abs
a.cc:52:18: error: 'ans' was not declared in this scope; did you mean 'abs'?
   52 |     std::cout << ans << std::endl;
      |                  ^~~
      |                  abs
Language: C++

#include <iostream>
#include <algorithm>
#include <cstring>
#include <string>
#include <vector>
#include <cmath> 
#include <cctype>

typedef long long ll;

using namespace std;

int main() {
    int N;
    ll res, ans;
    int count = 0;
    cin >> N;
    int a[N];
    for (int i = 0; i < N; i++) {
        cin >> a[i];
    }

    ll sum = 0;
    for (int i = 1, s = 1; i <= N; i++, s *= -1) {
        sum += a[i];
        if (sum * s <= 0) {
            res += abs(sum - s);
            sum = s;
        }
    }

    ll sum = 0;
    for (int i = 1, s = -1; i <= N; i++, s *= -1) {
        sum += a[i];
        if (sum * s <= 0) {
            ans = abs(sum - s);
            sum = s;
        }
    }

    cout << min(res, ans) << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:8: error: redeclaration of 'll sum'
   32 |     ll sum = 0;
      |        ^~~
a.cc:23:8: note: 'll sum' previously declared here
   23 |     ll sum = 0;
      |        ^~~
Language: C++

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



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

    int count=0;
    int ans=data[0];
    int saisyo;

        for(int i=1;i<N;i++){
            ans+=data[i];
            if(i%2==0){
                while(ans<=0){
                    ans++;
                    count++;
                }
            }else{
                while(ans>=0){
                    ans--;
                    count++;
                }
            }
        }
        saisyo=count;
        count=0;
        ans=data[0];
        while(ans>=0){
            ans--;
            count++
        }

                for(int i=0;i<N;i++){
            ans+=data[i];
            if(i%2!=0){
                while(ans<=0){
                    ans++;
                    count++;
                }
            }else{
                while(ans>=0){
                    ans--;
                    count++;
                }
            }
        }

    saisyo=min(saisyo,count);

    cout<<saisyo<<endl;

}
    



Compiler output:
a.cc: In function 'int main()':
a.cc:35:20: error: expected ';' before '}' token
   35 |             count++
      |                    ^
      |                    ;
   36 |         }
      |         ~
Language: C++

// 要復習

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

int64_t main()
{
    int64_t n;
    cin >> n;
    int64_t a[n], b[n];
    for (int64_t i = 0; i < n; i++)
    {
        cin >> a[i];
        b[i] = a[i];
    }
    //positive-negative-positive... case
    int64_t case1, total;
    if (a[0] > 0)
    {
        case1 = 0;
        total = a[0];
    }
    else //if (a[0] <= 0)
    {
        case1 = 1 - a[0];
        total = 1;
    }
    for (int64_t i = 1; i < n; i++)
    {
        int64_t ttmp = total + a[i];
        int64_t atmp = a[i];
        if ((ttmp * total) < 0 && ttmp != 0)
        {
            total = ttmp;
        }
        else
        {
            if (total > 0)
            {
                a[i] = -total - 1;
            }
            else
            {
                a[i] = -total + 1;
            }
            total += a[i];
        }
        case1 += abs(a[i] - atmp);
    }

    //negative-positive... case
    int64_t case2;
    if (b[0] < 0)
    {
        case2 = 0;
        total = b[0];
    }
    else //if (a[0] >= 0)
    {
        case2 = -1 - b[0];
        total = -1;
    }
    for (int64_t i = 1; i < n; i++)
    {
        int64_t ttmp = total + b[i];
        int64_t atmp = b[i];
        if ((ttmp * total) < 0 && ttmp != 0)
        {
            total = ttmp;
        }
        else
        {
            if (total > 0)
            {
                b[i] = -total - 1;
            }
            else
            {
                b[i] = -total + 1;
            }
            total += b[i];
        }
        case2 += abs(b[i] - atmp);
    }
    cout << min(case1, case2) << endl;
}

Compiler output:
a.cc:7:1: error: '::main' must return 'int'
    7 | int64_t main()
      | ^~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0;i<n;i++)
#define erep(i,n) for(int i = 0;i<=n;i++)
#define rep1(i,n) for(int i = 1;i<n;i++)
#define erep1(i,n) for(int i = 1;i<=n;i++)
typedef long long ll;
#define vint vector<int>
#define vstring vector<string>
#define vll vector<ll>
#define vbool vector<bool>
#define INF 100000000


ll gcm(ll a,ll b);
ll lcm(ll a,ll b);
ll fac(ll a);

int main(){
  ll n;
  cin >> n;
  ll nowsum = 0;
  ll ans = 0;
  ll sum = 0;
  bool plus = false;
  bool minus = false;
  vll A(n);
  rep(i,n){
    cin >> A[i];
    sum += A[i];
  rep(i,n){
    nowsum += A[i];
    if(i == 0){
      if(nowsum == 0){
        if(A[1] > 0){
          ans = A[i] - 1;
          nowsum = (-1)*abs(A[i]-1);
          minus = true;
        }
        else if(A[1] < 0){
          ans = A[i] + 1;
          nowsum = abs(A[i]-1);
          plus = true;
        }
        else{
          if(sum >= 0){
          	ans = 1;
          	nowsum = 1;
          	plus = true;
          }
          else{
            ans = 1;
          	nowsum = -1;
          	minus = true;
        }
      }
      else if(nowsum >= 0) plus = true;
      else minus = true;
    }
    else{
      if(plus){
        if(i%2 == 0){
          //minusだったらだめ
          if(nowsum <= 0){
            ans += abs(nowsum -A[i] - 1) - A[i];
            nowsum = 1;
          }
        }
        else{
          //plusだったらだめ
          if(nowsum >= 0){
            ans += A[i] + abs(nowsum -A[i] + 1);
            nowsum = -1;
          }
        }
      }
      else if(minus){
        if(i%2 == 0){
          //plusだったらだめ
          if(nowsum >= 0){
            ans += A[i] + abs(nowsum -A[i] + 1);
            nowsum = -1;
          }
        }
        else{
          //minusだったらだめ
          if(nowsum <= 0){
            ans += abs(nowsum -A[i] - 1) - A[i];
            nowsum = 1;
          }
        }
        //cout << nowsum << " " << ans << endl;
      }
    }
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:57:7: error: expected '}' before 'else'
   57 |       else if(nowsum >= 0) plus = true;
      |       ^~~~
a.cc:34:22: note: to match this '{'
   34 |       if(nowsum == 0){
      |                      ^
a.cc:97:2: error: expected '}' at end of input
   97 | }
      |  ^
a.cc:19:11: note: to match this '{'
   19 | int main(){
      |           ^
Language: C++

#include <iostream>
#define rep(i, n) for(int i = 0; i < (n); i++)
using namespace std;

int main(){
    int n;
    cin >> n;
    ll ary[n], cnt1 = 0, cnt2 = 0, sum = 0;
    rep(i, n) cin >> ary[i];

    // S_odd < 0, S_even > 0
    rep(i, n){
        sum += ary[i];
        if(i % 2 && sum >= 0){
            cnt1 += sum + 1;
            sum = -1;
        } else if(i % 2 == 0 && sum <= 0){
            cnt1 += -sum + 1;
            sum = 1;
        }
    }
    sum = 0;
    // S_odd > 0, S_even < 0
    rep(i, n){
        sum += ary[i];
        if(i % 2 == 0 && sum >= 0){
            cnt2 += sum + 1;
            sum = -1;
        } else if(i % 2 && sum <= 0){
            cnt2 += -sum + 1;
            sum = 1;
        }
    }

    cout << min(cnt1, cnt2) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'll' was not declared in this scope
    8 |     ll ary[n], cnt1 = 0, cnt2 = 0, sum = 0;
      |     ^~
a.cc:9:22: error: 'ary' was not declared in this scope
    9 |     rep(i, n) cin >> ary[i];
      |                      ^~~
a.cc:13:9: error: 'sum' was not declared in this scope
   13 |         sum += ary[i];
      |         ^~~
a.cc:13:16: error: 'ary' was not declared in this scope
   13 |         sum += ary[i];
      |                ^~~
a.cc:15:13: error: 'cnt1' was not declared in this scope
   15 |             cnt1 += sum + 1;
      |             ^~~~
a.cc:18:13: error: 'cnt1' was not declared in this scope
   18 |             cnt1 += -sum + 1;
      |             ^~~~
a.cc:22:5: error: 'sum' was not declared in this scope
   22 |     sum = 0;
      |     ^~~
a.cc:25:16: error: 'ary' was not declared in this scope
   25 |         sum += ary[i];
      |                ^~~
a.cc:27:13: error: 'cnt2' was not declared in this scope
   27 |             cnt2 += sum + 1;
      |             ^~~~
a.cc:30:13: error: 'cnt2' was not declared in this scope
   30 |             cnt2 += -sum + 1;
      |             ^~~~
a.cc:35:17: error: 'cnt1' was not declared in this scope
   35 |     cout << min(cnt1, cnt2) << endl;
      |                 ^~~~
a.cc:35:23: error: 'cnt2' was not declared in this scope
   35 |     cout << min(cnt1, cnt2) << endl;
      |                       ^~~~
Language: C++

#include <iostream>
#include<string>
#include<vector>
#include<stdio.h>
#include<math.h>
#include<algorithm>

#define MOD 1000000007


using namespace std;

long long int modpow(long long int a, int n) {

	if (n == 0)return 1;
	if (n == 1) return a;

	long long int wk = modpow(a, n / 2);

	long long int ret = 0;
	if (n % 2 == 0) {
		ret = 1;
	}
	else {
		ret = a;
	}

	return (((ret * wk) % MOD) * wk) % MOD;

}

long long int gcd(long long int a, long long int b) {
	long long int tmp;
	if (a < b) {
		tmp = a;
		a = b;
		b = tmp;
	}

	long long int r = a % b;

	while (r != 0) {
		a = b;
		b = r;
		r = a % b;
	}

	return b;
}

long long int lcm(long long int a, long long int b) {

	long long int wk_int;

	wk_int = (a * b) % MOD;
	
	long long int ret;

	ret = (wk_int * modpow(gcd(a, b), MOD - 2)) % MOD;

	return ret;

}






int main()
{

	int n;
	cin >> n;

	vector<long long int> a(n);

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

	bool plusmode = true;
	long long int ans = LLONG_MAX;
	long long int wk_ans = 0;
	long long int sum = 0;

	for (int i = 0; i < n; i++) {
		plusmode = !plusmode;

		sum += a[i];

		if (plusmode) {
			if (sum <= 0) {
				wk_ans += abs(sum) + 1;
				sum = 1;
			}
		}
		else {
			if (sum >= 0) {
				wk_ans += abs(sum) + 1;
				sum = -1;
			}
		}
	}
	if (wk_ans < ans)ans = wk_ans;


	plusmode = false;
	wk_ans = 0;
	sum = 0;
	for (int i = 0; i < n; i++) {
		plusmode = !plusmode;

		sum += a[i];

		if (plusmode) {
			if (sum <= 0) {
				wk_ans += abs(sum) + 1;
				sum = 1;
			}
		}
		else {
			if (sum >= 0) {
				wk_ans += abs(sum) + 1;
				sum = -1;
			}
		}
	}
	if (wk_ans < ans)ans = wk_ans;


	cout << ans << endl;


	return 0;

}



Compiler output:
a.cc: In function 'int main()':
a.cc:83:29: error: 'LLONG_MAX' was not declared in this scope
   83 |         long long int ans = LLONG_MAX;
      |                             ^~~~~~~~~
a.cc:7:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    6 | #include<algorithm>
  +++ |+#include <climits>
    7 |
Language: C++

#include<bits/stdc++.h>
#include<iomanip>
using namespace std;
typedef long long ll;
typedef long  l;
typedef pair<int,int> P;
#define rep(i,n) for(int i=0;i<n;i++)
#define fs first
#define sc second
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define ALL(A) A.begin(),A.end()
const int INF=1000000001;
const double PI=3.141592653589;
const ll LMAX=1000000000000001;
ll gcd(ll a,ll b){if(a<b)swap(a,b);while((a%b)!=0){a=b;b=a%b;}return b;}
int dx[]={-1,0,1,0};
int dy[]={0,1,0,-1};



int main(){
  int n; cin>>n;
  vector<ll> a(n);
  rep(i,n) cin>>a[i];

  bool f[]={1,0};

  ll ans=LMAX;
  rep(j,2){
    ll sum=0;
    ll c=0;
    bool F=f[j];
    rep(i,n){
      if(F){
        if(sum+a[i]<0) sum+=a[i];
        else{
          c+=abs(sum+a[i])+1;
          sum=-1;
        }
      }else{
        if(sum+a[i]>0) sum+=a[i];
        else{
          c+=abs(sum+a[i])+1;
          sum=1;
        }
      }
    }
    ans=min(ans,c);
  }

  cout<<c<<endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:53:9: error: 'c' was not declared in this scope
   53 |   cout<<c<<endl;
      |         ^
Language: C++

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

typedef long long ll;
//1回の操作で、a[i]のいずれかを+1or-1できる

//以下になる最小の操作回数を求める
//全てのiに対して第一項からi項までの和Siは0でない
//SiとSi+1の符号が異なる
//予めSiを全て計算し、Si>0,Si+1>=0なら-1-Si+1だけa[i+1]から引く
//a[0] = 0 のとき、a[0]>0,a[0]<0とした時の操作回数の小さい方が答え
//a[0] != 0のとき、Si <0,Si+1<=0ならSi+c = 1を満たすcとa[i]の差をカウント
int main(){
  ll n;
  cin >> n;
  vector<ll> a(n);
  for(int i= 0;i<n;i++{
      cin >> a[i];
  }
  vector<ll> copy_a = a;
  ll count = 0;
  
  ll sum = 0;

  if(a[0] != 0){
    for(int i = 0;i<n-1;i++){
        sum += a[i];//i項までの和

      if(sum < 0 && sum + a[i+1] <=0){
          ll na = 1 -sum;//sumに何を足せば1になるか これを新たなa[i+1]にする
          count += abs(na - a[i+1]);
          a[i+1] = na;
      }
    
    if(sum > 0 && sum + a[i+1] >=0){
          ll na = -1 -sum;//sumに何を足せば-1になるか これを新たなa[i+1]にする
          count += abs(na - a[i+1]);
          a[i+1] = na;
      }
    }
  }

  else if(a[0] == 0){
      a[0] = 1;
      ll count1 = 1;
      for(int i = 0;i<n-1;i++){
        sum += a[i];//i項までの和

      if(sum < 0 && sum + a[i+1] <=0){
          ll na = 1 -sum;//sumに何を足せば1になるか これを新たなa[i+1]にする
          count1 += abs(na - a[i+1]);
          a[i+1] = na;
      }
    
    if(sum > 0 && sum + a[i+1] >=0){
          ll na = -1 -sum;//sumに何を足せば-1になるか これを新たなa[i+1]にする
          count1 += abs(na - a[i+1]);
          a[i+1] = na;
      }
    }
    
    copy_a[0] = -1;
    ll count2 = 1;
    ll sum2 = 0;
    
    for(int i = 0;i<n-1;i++){
        sum2 += copy_a[i];//i項までの和

      if(sum2 < 0 && sum2 + copy_a[i+1] <=0){
          ll na = 1 -sum2;//sumに何を足せば1になるか これを新たなa[i+1]にする
          count2 += abs(na - copy_a[i+1]);
          copy_a[i+1] = na;
      }
    
    if(sum2 > 0 && sum2 + copy_a[i+1] >=0){
          ll na = -1 -sum2;//sumに何を足せば-1になるか これを新たなa[i+1]にする
          count2 += abs(na - copy_a[i+1]);
          copy_a[i+1] = na;
      }
    }
  
   count = min(count1,count2);
  }
    cout << count << endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:17:23: error: expected ')' before '{' token
   17 |   for(int i= 0;i<n;i++{
      |      ~                ^
      |                       )
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define fs first
#define sc second
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define ALL(A) A.begin(),A.end()
#define RALL(A) A.rbegin(),A.rend()
typedef long long ll;
typedef pair<ll,ll> P;
const ll mod=1000000007;
const ll LINF=1LL<<60;
const int INF=1<<30;

int main(){
	ll n,l;
	cin >> n;
	vector<ll> a(n);
	cin >> a[0];
	for(ll i = 1; i < n; i++) {
		cin >> l;
		a[i] = a[i - 1] + l;
	}
	ll tmp = 0;
	ll count = 0;

	for(ll i = 0; i < n - 1; i++) {
		if (i == 0 && a[i] != 1){
		    count+=abs(a[i]-1);
		    tmp-=a[i]-1;
		}
		if ((a[i] + tmp)* (a[i + 1] + tmp) >= 0){//和の符号が前後で同じ時
			if ((a[i+1] + tmp) <= 0){
				count += abs(a[i+1] + tmp - 1);
				tmp -= (a[i+1] + tmp - 1);
			}
			else{
				count += abs(a[i] + tmp + 1);
				tmp -= (a[i] + tmp + 1);
			}
		}
if (a[n - 1] +tmp == 0){
		count++;
	}



ll ans=count;
count =0;
ll tmp2=0;

for(ll i = 0; i < n - 1; i++) {
		if (i == 0 && a[i] != -1){
		    count+=abs(a[i]+1);
		    tmp2-=a[i]+1;
		}
		if ((a[i] + tmp2)* (a[i + 1] + tmp2) >= 0){//和の符号が前後で同じ時
			if ((a[i+1] + tmp2) <= 0){
				count += abs(a[i+1] + tmp2- 1);
				tmp2 -= (a[i+1] + tmp2 - 1);
			}
			else{
				count += abs(a[i] + tmp2+ 1);
				tmp2 -= (a[i] + tmp2+ 1);
			}
		}
		// cout << a[i] + tmp << endl;

	}
	// cout << a[n - 1]  << endl;
	if (a[n - 1] +tmp2 == 0){
		count++;
	}
	cout << min(ans,count)<< endl;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:77:2: error: expected '}' at end of input
   77 | }
      |  ^
a.cc:16:11: note: to match this '{'
   16 | int main(){
      |           ^
Language: C++

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

int main()
{
    int n;
    cin >> n;
    long long a[n], s[n];
    for (int i = 0; i < n; i++)
    {
        cin >> a[i];
        if (i == 0)
        {
            s[0] = a[0];
        }
        else
        {
            s[i] = s[i - 1] + a[i];
        }
    }
    long long cng = 0;
    long long ans1 = 0, ans2 = 0;

    if (a[0] == 0)
    {
        if (0 < a[1])
        {
            cng--;
        }
        else
        {
            cng++;
        }
        ans++;
    }
    for (int i = 1; i < n; i++)
    {
        if (((s[i] + cng < 0) && (0 < s[i - 1] + cng)) || ((s[i] + cng > 0) && (0 > s[i - 1] + cng)))
        {
            //ok
            continue;
        }
        assert(s[i - 1] + cng != 0);

        if (s[i] + cng >= 0) //減らさないといけない
        {
            ans += s[i] + cng + 1;

            cng -= s[i] + cng + 1;
        }
        else //増やさないといけない
        {
            ans += -(s[i] + cng) + 1;

            cng += -(s[i] + cng) + 1;
        }
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:9: error: 'ans' was not declared in this scope; did you mean 'ans2'?
   34 |         ans++;
      |         ^~~
      |         ans2
a.cc:47:13: error: 'ans' was not declared in this scope; did you mean 'ans2'?
   47 |             ans += s[i] + cng + 1;
      |             ^~~
      |             ans2
a.cc:53:13: error: 'ans' was not declared in this scope; did you mean 'ans2'?
   53 |             ans += -(s[i] + cng) + 1;
      |             ^~~
      |             ans2
a.cc:58:13: error: 'ans' was not declared in this scope; did you mean 'ans2'?
   58 |     cout << ans << endl;
      |             ^~~
      |             ans2
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <math.h>
#include <bitset>
#include <vector>
#include <queue>
#include <map>

#define i64 int64_t
#define ff(ii,nn,mm) for(int ii=nn;ii<mm;ii++)
#define sort(vvv) sort(vvv.begin(),vvv.end())
#define rvs(vvv) reverse(vvv.begin(),vvv.end())
int inf = 1000000007;

using namespace std;

int main() {
	int n;
	cin >> n;
	vector<int> data(n);
	int ans = 0;
	ff(i, 0, n) {
		cin >> data.at(i);
	}
	vector<int> data2 = data;
	i64 sum = data.at(0);
	i64 sump = sum;
	ff(i, 1, n) {
		sump += data.at(i);
	
		if (sum * sump >= 0) {
			int c = sump;
			if (c < 0)c *= -1;
			c++;
			ans += c;
			if (sump > 0) {
				data.at(i) -= c;
				sump -= c;
			}
			else {
				data.at(i) += c;
				sump += c;
			}
		}
		sum += data.at(i);
	}
	i64 ans2 = 0;
	i64 sum = data2.at(0)*-1;
	i64 sump = sum;
	ff(i, 1, n) {
		sump += data2.at(i);
		
		if (sum * sump >= 0) {
			int c = sump;
			if (c < 0)c *= -1;
			c++;
			ans2 += c;
			if (sump > 0) {
				data2.at(i) -= c;
				sump -= c;
			}
			else {
				data2.at(i) += c;
				sump += c;
			}
		}
		sum += data2.at(i);
	}
	if (ans > ans2) {
		cout << ans << endl;
	}
	else {
		cout << ans2 << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:13: error: redeclaration of 'int64_t sum'
   49 |         i64 sum = data2.at(0)*-1;
      |             ^~~
a.cc:27:13: note: 'int64_t sum' previously declared here
   27 |         i64 sum = data.at(0);
      |             ^~~
a.cc:50:13: error: redeclaration of 'int64_t sump'
   50 |         i64 sump = sum;
      |             ^~~~
a.cc:28:13: note: 'int64_t sump' previously declared here
   28 |         i64 sump = sum;
      |             ^~~~
Language: Java

import java.io.IOException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws IOException{
		Sequence solver = new Sequence();
		solver.readInput();
		solver.solve();
		solver.writeOutput();
	}


	static class Sequence {
		private int n;
		private int a[];

		private int output;
		private Scanner scanner;

		public Sequence() {
			this.scanner = new Scanner(System.in);
		}

		public void readInput() {
			n = Integer.parseInt(scanner.next());
			a = new int[n];
			for(int i=0; i<n; i++) {
				a[i] = Integer.parseInt(scanner.next());
			}
		}

		private int count(boolean sign) {
			long count=0;
			int sum=0;
			for(int i=0; i<n; i++) {
				sum += a[i];
				if((i%2==0) == sign) {
					// a[i]までの合計を正にするとき
					if(sum<=0) {
						count += Math.abs(sum)+1;
						sum = 1;
					}
				} else {
					// a[i]までの合計を負にするとき
					if(0<=sum) {
						count += Math.abs(sum)+1;
						sum = -1;
					}
				}
			}
			return count;
		}



		public void solve() {
			output = Math.min(this.count(true), this.count(false));
		}

		public void writeOutput() {
			System.out.println(output);
		}
	}

}

Compiler output:
Main.java:51: error: incompatible types: possible lossy conversion from long to int
			return count;
			       ^
1 error
Language: C++

#include <vector>
#include <iostream>
#include <cmath>

using namespace std;
using ll = long long;

ll solve(vector<ll>& v, int first) {
    ll cost = abs(first - v[0]);
    ll sum =  first;

    for (int i = 1; i < v.size(); ++i) {
        ll after = sum + v[i];
        if (after * sum < 0) {
            sum = after;
        } else {
            cost += abs(after) + 1;
            sum = sum > 0 ? -1 : 1;
        }
    }

    return cost;
}

int main() {
    int N;
    cin >> N;
    vector<ll> v(N);
    for (int i = 0; i < N; i++) cin >> v[i];

    ll ret = LONG_MAX;
    if (v[0] == 0) {
        ret = min(ret, solve(v, 1));
        ret = min(ret, solve(v, -1));
    } else {
        ret = min(ret, solve(v, v[0]));
        ret = min(ret, solve(v, v[0] > 0 ? -1 : 1));
    }

    cout << ret << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:14: error: 'LONG_MAX' was not declared in this scope
   31 |     ll ret = LONG_MAX;
      |              ^~~~~~~~
a.cc:4:1: note: 'LONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    3 | #include <cmath>
  +++ |+#include <climits>
    4 |
Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for(ll i = 0; i < (ll)n; i++)
#define FOR(i, a, b) for(ll i = (a); i < (ll)b; i++)
#define ALL(obj) (obj).begin(), (obj).end()
#define INF (1ll << 60)
#define sz(x) int(x.size())
using namespace std;
typedef long long ll;
typedef double db;
typedef string str;
typedef pair<ll, ll> p;
constexpr int MOD = 1000000007;
using ll = long long;
template <class T> inline bool chmin(T &a, T b) {
    if(a > b) {
        a = b;
        return true;
    }
    return false;
}
template <class T> inline bool chmax(T &a, T b) {
    if(a < b) {
        a = b;
        return true;
    }
    return false;
}

void print(const std::vector<int> &v) {
    std::for_each(v.begin(), v.end(), [](int x) { std::cout << x << " "; });
    std::cout << std::endl;
}

int main() {
    int n;
    cin >> n;
    vector<ll> a(n);
    REP(i, n) { cin >> a[i]; }
    ll res = INF;
    ll ans = 0LL;

    ll s = a[0];
    //はじめは正
    for(int i = 1; i < n; i++) {
        s += a[i];
        if(i % 2 == 1) {
            //負に
            if(s >= 0) {
                ans += s + 1;
                s = -1;
            }
        } else {
            //正に
            if(s <= 0) {
                ans += -s + 1;
                s = 1;
            }
        }
    }
    res = min(res, ans);
    // cout << s << endl;

    ans = 0;
    ll s = a[0];
    for(int i = 1; i < n; i++) {
        s += a[i];
        if(i % 2 == 0) {
            if(s >= 0) {
                ans += s + 1;
                s = -1;
            }
        } else {
            if(s <= 0) {
                ans += -s + 1;
                s = 1;
            }
        }
    }
    res = min(res, ans);

    cout << res << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:64:8: error: redeclaration of 'll s'
   64 |     ll s = a[0];
      |        ^
a.cc:42:8: note: 'll s' previously declared here
   42 |     ll s = a[0];
      |        ^