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

#include <iostream>
#include <vector>
#include <algorithm>
#include <numeric>
#include <string>
#include <string.h>
#include <bitset>
#include <map>
#include <climits>

using namespace std;

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

    int cnt_min = INT_MAX;
    for (int j = 0; j < 2; ++j)
    {
        int sign = j == 0 ? -1 : 1;
        int accum = an[0];
        int cnt = 0;
        if (accum * sign <= 0)
        {
            // accum + x = sign
            auto x = sign - accum;
            accum += x;
            cnt += abs(x);
        }

        for (int i = 1; i < n; ++i)
        {
            auto new_accum = accum + an[i];
            if (new_accum * accum >= 0)
            {
                // new_accum + x = sign
                int x = -sign - new_accum;
                new_accum += x;
                cnt += abs(x);
                an[i] += x;
            }
            int new_sign = new_accum > 0 ? 1 : -1;
            accum = new_accum;
            assert(new_sign == -sign);
            sign = new_sign;
        }
        if (cnt < cnt_min)
        {
            cnt_min = cnt;
        }
    }
    cout << cnt_min << endl;

    // int accum = 0;
    // int sign = 0;
    // bool non_zero = true;
    // int cnt = 0;
    // for (int i = 0; i < n; ++i)
    // {
    //     auto new_accum = accum + an[i];
    //     if (i == 0)
    //     {
    //         if (new_accum == 0)
    //         {
    //             int next_sign = an[1] > 0 ? 1 : -1;
    //             new_accum -= next_sign;
    //             ++cnt;
    //             an[0] = -next_sign;
    //         }
    //         accum = new_accum;
    //         sign = accum > 0 ? 1 : -1;
    //     }
    //     else
    //     {
    //         if (new_accum * accum >= 0)
    //         {
    //             // new_accum + x = sign
    //             // 2 + x = (-1) , x=-3
    //             int x = -sign - new_accum;
    //             new_accum += x;
    //             cnt += abs(x);
    //             an[i] += x;
    //         }
    //         int new_sign = new_accum > 0 ? 1 : -1;
    //         accum = new_accum;
    //         assert(new_sign == -sign);
    //         sign = new_sign;
    //     }
    // }
    // cout << cnt << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:50:13: error: 'assert' was not declared in this scope
   50 |             assert(new_sign == -sign);
      |             ^~~~~~
a.cc:10:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    9 | #include <climits>
  +++ |+#include <cassert>
   10 |
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <numeric>
#include <string>
#include <string.h>
#include <bitset>
#include <map>
#include <climits>

using namespace std;

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

    int accum = 0;
    int sign = 0;
    bool non_zero = true;
    int cnt = 0;
    for (int i = 0; i < n; ++i)
    {
        auto new_accum = accum + an[i];
        if (i == 0)
        {
            if (new_accum == 0)
            {
                int next_sign = an[1] > 0 ? 1 : -1;
                new_accum -= next_sign;
                ++cnt;
                an[0] = -next_sign;
            }
            accum = new_accum;
            sign = accum > 0 ? 1 : -1;
        }
        else
        {
            if (new_accum * accum >= 0)
            {
                // new_accum + x = -sign
                int x = -sign - new_accum;
                new_accum += x;
                cnt += abs(x);
                an[i] += x;
            }
            int new_sign = new_accum > 0 ? 1 : -1;
            accum = new_accum;
            assert(new_sign == -sign);
            sign = new_sign;
        }
    }
    cout << endl;
    cout << cnt << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:54:13: error: 'assert' was not declared in this scope
   54 |             assert(new_sign == -sign);
      |             ^~~~~~
a.cc:10:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    9 | #include <climits>
  +++ |+#include <cassert>
   10 |
Language: C++

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

int main(){
  long n;
  cin >> n;
  long a[n],sum = 0;
  for(long i = 0;i < n;i++){
    cin >> a[i];
  }
  long kekka = 0;
  for(long i = 0;i < n;i++){
    sum += a[i];
    if(i % 2 == 0 && sum >= 0){
      kekkka += sum + 1;
      sum = -1;
    }
    if(i % 2 == 1 && sum <= 0){
      kekka += -sum + 1;
      sum = 1;
    }
  }
  long result = 0;
  sum = 0;
  for(long i = 0;i < n;i++){
    sum += a[i];
    if(i % 2 == 0 && sum <= 0){
      result += -sum + 1;
      sum = 1;
    }
    if(i % 2 == 1 && sum >= 0){
      result += sum + 1;
      sum = -1;
    }
  }
  cout << min(kekka,result) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:7: error: 'kekkka' was not declared in this scope; did you mean 'kekka'?
   15 |       kekkka += sum + 1;
      |       ^~~~~~
      |       kekka
Language: C++

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

const int MAX_N = 1e5;
int N, a[MAX_N+5];

int solve(int next){
  int s = 0, cnt = 0;
  for(int i=0;i<N;i++){
    s += a[i];
    if(next==1 && s<=0){
      cnt += next - s; s = 1;
    }else if(next==-1 && s>=0){
      cnt += s - next; s = -1;
    }
    next *= -1;
  }
  
  return cnt;
}

int main(){
  cin >> N;
  for(int i=0;i<N;i++) cin >> a[i];
  
  cout << min(solve(1), solve(-1)) << endl;
  return 0;
}

Compiler output:
a.cc:2:20: error: expected ';' before 'const'
    2 | using namespace std
      |                    ^
      |                    ;
    3 | 
    4 | const int MAX_N = 1e5;
      | ~~~~~
Language: C++

#include<bits/stdc++.h>

int main(){
    int n,chk;
    long long ans=0;
    scanf("%d %d",&n,&m);
    vector<int> a(n);
    for (auto&e:a) scanf("%d"&e);
    chk=a[0];
    for (int i=1;i<n;i++) {
        if (i%2) {
            chk+=a[i];
            if (chk>=0) {
                ans+=chk+1;
                chk=-1;
            }
        } else {
            chk+=a[i];
            if (chk<=0) {
                ans+=-1*chk+1;
                chk=1;
            }
        }
    }
    print("%lld",ans);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:23: error: 'm' was not declared in this scope
    6 |     scanf("%d %d",&n,&m);
      |                       ^
a.cc:7:5: error: 'vector' was not declared in this scope
    7 |     vector<int> a(n);
      |     ^~~~~~
a.cc:7:5: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:7:12: error: expected primary-expression before 'int'
    7 |     vector<int> a(n);
      |            ^~~
a.cc:8:17: error: 'a' was not declared in this scope
    8 |     for (auto&e:a) scanf("%d"&e);
      |                 ^
a.cc:9:9: error: 'a' was not declared in this scope
    9 |     chk=a[0];
      |         ^
a.cc:25:5: error: 'print' was not declared in this scope; did you mean 'rint'?
   25 |     print("%lld",ans);
      |     ^~~~~
      |     rint
Language: C++

#include <iostream>
#include <vector>

using namespace std;

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

  ll ans = 0;
  while (ans < N && a[ans] == 0) ans++;

  ll sum;
  if (ans == 0) sum = a[0];
  else if (ans < N && a[ans + 1] > 0) sum = -1;
  else sum = 1;

  for (int i = ans + 1; i < N; i++) {
    //cout << sum << ' ' << (sum + a[i]) << endl;
    if (sum * (sum + a[i]) >= 0) {
      if (sum + a[i] >= 0) {
        // sum > 0, sum + a[i] >= 0
        // sum + a[i] = -1になるように変える
        // sum + (-sum - 1) = -1
        // a[i] -> -sum - 1
        ans += abs(sum + a[i] + 1);
        //cout << "cost : " << abs(sum + a[i] + 1) << endl;
        a[i] = -sum - 1;
      } else {
        // sum < 0, sum + a[i] < 0
        // sum + a[i] = 1 になるように変える
        // sum + (-sum + 1) = 1
        // a[i] -> -sum + 1
        ans += abs(sum + a[i] - 1);
        //cout << "cost : " << abs(sum + a[i] - 1) << endl;

        a[i] = -sum + 1;
      }
    }
    sum += a[i];
  }
  cout << ans << endl;

  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:15:3: error: 'll' was not declared in this scope
   15 |   ll ans = 0;
      |   ^~
a.cc:16:10: error: 'ans' was not declared in this scope; did you mean 'abs'?
   16 |   while (ans < N && a[ans] == 0) ans++;
      |          ^~~
      |          abs
a.cc:18:5: error: expected ';' before 'sum'
   18 |   ll sum;
      |     ^~~~
      |     ;
a.cc:19:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   19 |   if (ans == 0) sum = a[0];
      |       ^~~
      |       abs
a.cc:19:17: error: 'sum' was not declared in this scope
   19 |   if (ans == 0) sum = a[0];
      |                 ^~~
a.cc:20:39: error: 'sum' was not declared in this scope
   20 |   else if (ans < N && a[ans + 1] > 0) sum = -1;
      |                                       ^~~
a.cc:21:8: error: 'sum' was not declared in this scope
   21 |   else sum = 1;
      |        ^~~
a.cc:23:16: error: 'ans' was not declared in this scope; did you mean 'abs'?
   23 |   for (int i = ans + 1; i < N; i++) {
      |                ^~~
      |                abs
a.cc:25:9: error: 'sum' was not declared in this scope
   25 |     if (sum * (sum + a[i]) >= 0) {
      |         ^~~
a.cc:45:5: error: 'sum' was not declared in this scope
   45 |     sum += a[i];
      |     ^~~
a.cc:47:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   47 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxx = 1e5 + 7;
ll n, ans = 1ll << 60;
ll a[maxx];

int main() {
	cin >> n;
	for(int i = 1; i <= n; i++) cin >> a[i];
	int flag = 0;
	LL sum = 0;
	LL res = 0;
	for(int i = 1; i <= n; i++) {
		sum += a[i];
		if(flag == 0){
			if(sum <= 0) {
				res = res + 1 - sum;
				sum = 1;
			}
		}
		else {
			if(sum >= 0){
				res = res + sum + 1;
				sum = -1;
			}
		}
		flag ^= 1;
	}
	ans = min(ans, res);
	res = 0;
	sum = 0;
	flag = 0;
	for(int i = 1; i <= n; i++) {
		sum += a[i];
		if(flag == 1){
			if(sum <= 0) {
				res = res + 1 - sum;
				sum = 1;
			}
		}
		else {
			if(sum >= 0){
				res = res + sum + 1;
				sum = -1;
			}
		}
		flag ^= 1;
	}
	ans = min(ans, res);
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: 'LL' was not declared in this scope; did you mean 'll'?
   12 |         LL sum = 0;
      |         ^~
      |         ll
a.cc:13:11: error: expected ';' before 'res'
   13 |         LL res = 0;
      |           ^~~~
      |           ;
a.cc:15:17: error: 'sum' was not declared in this scope
   15 |                 sum += a[i];
      |                 ^~~
a.cc:18:33: error: 'res' was not declared in this scope
   18 |                                 res = res + 1 - sum;
      |                                 ^~~
a.cc:24:33: error: 'res' was not declared in this scope
   24 |                                 res = res + sum + 1;
      |                                 ^~~
a.cc:30:24: error: 'res' was not declared in this scope
   30 |         ans = min(ans, res);
      |                        ^~~
a.cc:32:9: error: 'sum' was not declared in this scope
   32 |         sum = 0;
      |         ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n; cin >> n;
    long long s1,s2,c1,c2,a;
    for(int i=1; i <= n; i++){
        cin >> a;
        s1 += a;
        s2 += a;
        if(i % 2){　//奇数桁目　
          	if (s1 <= 0) c1 += 1 - s1,s1 = 1; //総和が負
            if (s2 >= 0) c2 += 1 + s2,s2 = -1; //総和が正
        }
        else {　//偶数桁目
            if (s1 >= 0) c1 += 1 + s1,s1 = -1;　//同上
            if (s2 <= 0) c2 += 1 - s2,s2 = 1;
        }
    }
    cout << min(c1, c2) << endl;
    return 0;
}

Compiler output:
a.cc:10:19: error: extended character 　 is not valid in an identifier
   10 |         if(i % 2){　//奇数桁目　
      |                   ^
a.cc:14:15: error: extended character 　 is not valid in an identifier
   14 |         else {　//偶数桁目
      |               ^
a.cc:15:47: error: extended character 　 is not valid in an identifier
   15 |             if (s1 >= 0) c1 += 1 + s1,s1 = -1;　//同上
      |                                               ^
a.cc: In function 'int main()':
a.cc:10:19: error: '\U00003000' was not declared in this scope
   10 |         if(i % 2){　//奇数桁目　
      |                   ^~
a.cc:14:15: error: '\U00003000' was not declared in this scope
   14 |         else {　//偶数桁目
      |               ^~
a.cc:15:49: error: expected ';' before 'if'
   15 |             if (s1 >= 0) c1 += 1 + s1,s1 = -1;　//同上
      |                                                 ^
      |                                                 ;
   16 |             if (s2 <= 0) c2 += 1 - s2,s2 = 1;
      |             ~~
Language: C++

#include<iostream>
using namespace std;
int main(){
  int n, ans=0, d=0;
  cin >> n;
  int a[n];
  cin >> a[0];
  int sum[0]=a[0];
  for(int i=1; i<n; i++){
    cin >> a[i];
    sum[i] = sum[i-1] + a[i];
  }
  for(int i=1; i<n; i++){
    if((sum[i-1]+d)*(sum[i]+d)>=0){
      d -= sum[i]+1;
      ans += abs(sum[i]+1);
    }
  }
  cout << ans << endl;
  return 0;
}
      

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: array must be initialized with a brace-enclosed initializer
    8 |   int sum[0]=a[0];
      |              ~~~^
Language: C++

#include<cstdio>
using namespace std;
 
int main(){
  int n, d, a = 0, b = 0, cnta = 0, cntb = 0, i, ans;
  scnaf("%d", &n);
  for(i = 0; i < n; i++){
    scanf("%d", &d);
    a += d; b += d;
    if(i%2){
      if(a > -1){cnta += a + 1; a = -1;}
      if(b <  1){cntb += 1 - b; b = 1;}
    }else{
      if(b > -1){cntb += b + 1; b = -1;}
      if(a <  1){cnta += 1 - a; a = 1;}
    }
  }
  ans = (cnta > cntb) ? cnta : cntb;
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'scnaf' was not declared in this scope; did you mean 'scanf'?
    6 |   scnaf("%d", &n);
      |   ^~~~~
      |   scanf
a.cc:19:3: error: 'cout' was not declared in this scope
   19 |   cout << ans << endl;
      |   ^~~~
a.cc:2:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include<cstdio>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:19:18: error: 'endl' was not declared in this scope
   19 |   cout << ans << endl;
      |                  ^~~~
a.cc:2:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    1 | #include<cstdio>
  +++ |+#include <ostream>
    2 | using namespace std;
Language: C++

include <bits/stdc++.h>
 
using namespace std;
#define ll long long
#define int long long


#define rep(i, a) for (int i = 0; i < (int) (a); i++)
#define reps(i, a, b) for (int i = (int) (a); i < (int) (b); i++)
#define rrep(i, a) for (int i = (int) a-1; i >= 0; i--)
#define rreps(i, a, b) for (int i = (int) (a)-1; i >= (int) (b); i--)
#define MP(a, b) make_pair((a), (b))
#define PB(a) push_back((a))
#define all(v) (v).begin(), (v).end()
#define PRINT(f) if((f)){cout << (TRUE__) << endl;}else{cout << FALSE__ << endl;}
#define TRUE__ "Yes"
#define FALSE__ "No"
#define PERM(v) next_permutation(all(v))
#define UNIQUE(v) sort(all(v));(v).erase(unique(all(v)), v.end())
#define CIN(type, x) type x;cin >> x
 
#ifdef LOCAL
#define lcout(a) cout << a;
#define lcoutln(a) cout << a << endl;
#define lcerr(a) cerr << a;
#define lcerrln(a) cerr << a << endl;
#else
#define lcout(a) 
#define lcoutln(a) 
#define lcerr(a) 
#define lcerrln(a) 
#endif
 
vector<int> a;
int N;
 
signed main()
{
	cin >> N;
	rep(i, N) {
		CIN(int, t);
		a.PB(t);
	}
	int res = 0;
	int cnt = 0;
	int sum = 0;
	rep(i, N) {
		sum += a[i];
		if (sum <= 0) {
			cnt += -sum + 1;
			sum = 1;
		}
		i++;
		if (i == N) break;
		sum += a[i];
		if (sum >= 0) {
			cnt += sum + 1;
			sum = -1;
		}
	}
	res = cnt;
	sum = 0;
	cnt = 0;
	rep (i, N) {
		sum += a[i];
		if (sum >= 0) {
			cnt += sum + 1;
			sum = -1;
		}
		i++;
		if (i == N) break;
		sum += a[i];
		if (sum <= 0) {
			cnt += -sum + 1;
			sum = 1;
		}
	}
	res = min(res, cnt);
	cout << res << endl;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc:34:1: error: 'vector' does not name a type
   34 | vector<int> a;
      | ^~~~~~
a.cc: In function 'int main()':
a.cc:39:9: error: 'cin' was not declared in this scope
   39 |         cin >> N;
      |         ^~~
a.cc:42:17: error: 'a' was not declared in this scope
   42 |                 a.PB(t);
      |                 ^
a.cc:48:24: error: 'a' was not declared in this scope
   48 |                 sum += a[i];
      |                        ^
a.cc:65:24: error: 'a' was not declared in this scope
   65 |                 sum += a[i];
      |                        ^
a.cc:78:15: error: 'min' was not declared in this scope; did you mean 'main'?
   78 |         res = min(res, cnt);
      |               ^~~
      |               main
a.cc:79:9: error: 'cout' was not declared in this scope; did you mean 'lcout'?
   79 |         cout << res << endl;
      |         ^~~~
      |         lcout
a.cc:79:24: error: 'endl' was not declared in this scope
   79 |         cout << res << endl;
      |                        ^~~~
Language: C++

//Sequence.cpp (C)
#include <iostream>
using namespace std;

long long ans(int n, int*, int change);

int main(){
  int n;
  int a[110000];
  cin >> n;
  for(int i = 0; i < n; i++) cin >> a[i];
  long long pAns,nAns;
  pAns = ans(n,a,1);
  nAns = ans(n,a,-1);
  printf("%d\n",min(pAns,nAns));
}

int ans(int n, int *a, int change){
  long long Ans = 0;
  long long sum = 0;
  for(int i = 0; i < n; i++){
    sum += a[i];
    switch (change) {
      case -1:
      if(sum > -1) Ans += 1 + sum, sum = -1;
      change *= -1;
      break;

      case 1:
      if(sum < 1) Ans += 1 - sum, sum = 1;
      change *= -1;
      break;
    }
  }

  return Ans;
}


Compiler output:
a.cc:18:5: error: ambiguating new declaration of 'int ans(int, int*, int)'
   18 | int ans(int n, int *a, int change){
      |     ^~~
a.cc:5:11: note: old declaration 'long long int ans(int, int*, int)'
    5 | long long ans(int n, int*, int change);
      |           ^~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
  int n; cin >> n;
  vector<int> a(n + 1); for (int i = 1; i <= n; i++) cin >> a[i];
  vector<int> a1; a1 = a;
  long long int sum1 = 0, ans1 = ;
  for (int i = 1; i <= n; i++) {
    sum1 += a1[i];
    if (i % 2 == 1 && sum1 <= 0) {
      int plus = 1 - sum1;
      sum1 = 1;
      ans1 += plus;
      continue;
    } if (i % 2 == 0 && sum1 >= 0) {
      int minus = 1 + sum1;
      sum1 = -1;
      ans1 += minus;
    }
  }

  vector<int> a2; a2 = a;
  long long int sum2 = 0, ans2 = 0;
  for (int i = 1; i <= n; i++) {
    sum2 += a2[i];
    if (i % 2 == 1 && sum2 >= 0) {
      int minus = 1 + sum2;
      sum2 = -1;
      ans2 += minus;
      continue;
    } else if (i % 2 == 0 && sum2 <= 0) {
      int plus = 1 - sum2;
      sum2 = 1;
      ans2 += plus;
    }
  }

  cout << min(ans1, ans2) << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:34: error: expected primary-expression before ';' token
   10 |   long long int sum1 = 0, ans1 = ;
      |                                  ^
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
  int n; cin >> n;
  vector<int> a(n + 1); for (int i = 1; i <= n; i++) cin >> a[i];
  vector<int> a1; a1 = a;
  long long int sum1 = 0, ans1 = ;;
  for (int i = 1; i <= n; i++) {
    sum1 += a1[i];
    if (i % 2 == 1 && sum1 <= 0) {
      int plus = 1 - sum1;
      sum1 = 1;
      ans1 += plus;
      continue;
    } if (i % 2 == 0 && sum1 >= 0) {
      int minus = 1 + sum1;
      sum1 = -1;
      ans1 += minus;
    }
  }

  vector<int> a2; a2 = a;
  long long int sum2 = 0, ans2 = 0;
  for (int i = 1; i <= n; i++) {
    sum2 += a2[i];
    if (i % 2 == 1 && sum2 >= 0) {
      int minus = 1 + sum2;
      sum2 = -1;
      ans2 += minus;
      continue;
    } else if (i % 2 == 0 && sum2 <= 0) {
      int plus = 1 - sum2;
      sum2 = 1;
      ans2 += plus;
    }
  }

  cout << min(ans1, ans2) << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:34: error: expected primary-expression before ';' token
   10 |   long long int sum1 = 0, ans1 = ;;
      |                                  ^
Language: C++

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

int main() {

  int n;
  cin >> n;
  vector<long long> vector;  
  long long temp;

  for(int i=0; i<n; i++) {
    cin >> temp;
    vector.push_back(temp);
  }

  long long answer1=0;
  long long answer2=0;
  long long sum1=0;
  long long sum2=0;

  for(int i=0; i<n; i++) {
    if(i == 0) {
      if(vector[0] > 0)
	sum1 = vector[0]; //初項
      else {
	sum1 = 1;
	answer += abs(1-vector[0]);
      }
    }
    else if(sum1 < 0) {
      if(sum1 + vector[i] > 0){ //和の符号がデフォルトで異なるとき
	// answer -> そのまま
	sum1 += vector[i];
      }
      else {
	answer1 += abs((-1)*sum1+1 - vector[i]); // vector[i] -> -sum1+1 までincrimentすると和は1 
	sum1 = 1;
      }
    }
    else {
      if(sum1 + vector[i] < 0) {
	//answer->そのまま
	sum1 += vector[i];
      }
      else {
	answer1 += abs((-1)*sum1-1 - vector[i]); // vector[i] -> -sum1-1 までincrimentすると和は-1
	sum1 = -1;
      }
    }
  }
  for(int i=0; i<n; i++) {
    if(i==0) {
      if(vector[0] > 0) {
	sum2 = -1;
	answer2 += abs(-1-vector[0]);
      }
      else {
	sum2 = vector[0];
      }
    }
    else if(sum2 < 0) {
      if(sum2 + vector[i] > 0){ //和の符号がデフォルトで異なるとき
	// answer-> そのまま
	sum2 += vector[i];
      }
      else {
	answer2 += abs((-1)*sum2+1 - vector[i]); // vector[i] -> -sum1+1 までincrimentすると和は1 
	sum2 = 1;
      }
    }
    else {
      if(sum2 + vector[i] < 0) {
	//answer->そのまま
	sum2 += vector[i];
      }
      else {
	answer2 += abs((-1)*sum2-1 - vector[i]); // vector[i] -> -sum1-1 までincrimentすると和は-1
	sum2 = -1;
      }
    }
  }
    cout << min(answer1,answer2) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:27:9: error: 'answer' was not declared in this scope; did you mean 'answer2'?
   27 |         answer += abs(1-vector[0]);
      |         ^~~~~~
      |         answer2
Language: C++

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

int main() {

  int n;
  cin >> n;
  vector<long long> vector;  
  long long temp;

  for(int i=0; i<n; i++) {
    cin >> temp;
    vector.push_back(temp);
  }

  long long answer1=0;
  long long answer2=0;
  long long   sum1=0;
  long long sum2=0;
  for(int i=0; i<n; i++) {
    if(i == 0) {
      sum1 = vector[0]; //初項

    }
    else if(sum1 < 0) {
      if(sum1 + vector[i] > 0){ //和の符号がデフォルトで異なるとき
	// answer -> そのまま
	sum1 += vector[i];
      }
      else {
	answer1 += abs((-1)*sum1+1 - vector[i]); // vector[i] -> -sum1+1 までincrimentすると和は1 
	sum1 = 1;
      }
    }
    else {
      if(sum1 + vector[i] < 0) {
	//answer->そのまま
	sum1 += vector[i];
      }
      else {
	answer1 += abs((-1)*sum1-1 - vector[i]); // vector[i] -> -sum1-1 までincrimentすると和は-1
	sum1 = -1;
      }
    }
  }
  for(int i=0; i<n; i++) {
    if(i==0) {
      if(vector[0] > 0) {
	sum2 = -1;
	answer2 += abs(-1-vector[0]);
      }
      else {
	sum2 = 1;
	answer2 += abs(1-vector[0]);
      }
    }

    else if(sum2 < 0) {
      if(sum2 + vector[i] > 0){ //和の符号がデフォルトで異なるとき
	// answer-> そのまま
	sum2 += vector[i];
      }
      else {
	answer2 += abs((-1)*sum2+1 - vector[i]); // vector[i] -> -sum1+1 までincrimentすると和は1 
	sum2 = 1;
      }
    }
    else {
      if(sum2 + vector[i] < 0) {
	//answer->そのまま
	sum2 += vector[i];
      }
      else {
	answer2 += abs((-1)*sum2-1 - vector[i]); // vector[i] -> -sum1-1 までincrimentすると和は-1
	sum2 = -1;
      }
    }


    cout << min(answer1,answer2) << endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:81:4: error: expected '}' at end of input
   81 |   }
      |    ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main() {

  int n;
  cin >> n;
  vector<long long> vector;  
  long long temp;

  for(int i=0; i<n; i++) {
    cin >> temp;
    vector.push_back(temp);
  }

  long long answer1=0;
  long long answer2=0;
  long long   sum1=0;
  long long sum2=0;
  for(int i=0; i<n; i++) {
    if(i == 0) {
      sum1 = vector[0]; //初項
      
    }
    else if(sum1 < 0) {
      if(sum1 + vector[i] > 0){ //和の符号がデフォルトで異なるとき
	// answer -> そのまま
	sum1 += vector[i];
      }
      else {
	answer1 += abs((-1)*sum1+1 - vector[i]); // vector[i] -> -sum1+1 までincrimentすると和は1 
	sum1 = 1;
      }
    }
    else {
      if(sum1 + vector[i] < 0) {
	//answer->そのまま
	sum1 += vector[i];
      }
      else {
	answer1 += abs((-1)*sum1-1 - vector[i]); // vector[i] -> -sum1-1 までincrimentすると和は-1
	sum1 = -1;
      }
    }
  }
  for(int i=0; i<n; i++) {
    if(i==0) {
      if(vector[0] > 0) {
	sum2 = -1;
	answer2 += abs(-1-vector[0]);
      }
      else {
	sum2 = 1;
	answer2 += abs(1-vector[0]);
      }
    }
  }
  else if(sum2 < 0) {
      if(sum2 + vector[i] > 0){ //和の符号がデフォルトで異なるとき
	// answer-> そのまま
	sum2 += vector[i];
      }
      else {
	answer2 += abs((-1)*sum2+1 - vector[i]); // vector[i] -> -sum1+1 までincrimentすると和は1 
	sum2 = 1;
      }
    }
    else {
      if(sum2 + vector[i] < 0) {
	//answer->そのまま
	sum2 += vector[i];
      }
      else {
	answer2 += abs((-1)*sum2-1 - vector[i]); // vector[i] -> -sum1-1 までincrimentすると和は-1
	sum2 = -1;
      }
    }


      cout << min(answer1,answer2) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:58:3: error: 'else' without a previous 'if'
   58 |   else if(sum2 < 0) {
      |   ^~~~
a.cc:59:24: error: 'i' was not declared in this scope
   59 |       if(sum2 + vector[i] > 0){ //和の符号がデフォルトで異なるとき
      |                        ^
a.cc:69:24: error: 'i' was not declared in this scope
   69 |       if(sum2 + vector[i] < 0) {
      |                        ^
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <limits>
#include <vector>
#include <cstdio>
#include <bits/stdc++.h>
#include <set>
#include <map>
#include <stdio.h>
#include <stack>
#include <queue>
#include <deque>
#include <numeric>
using namespace std;
using ll = long long;
map <int ,int> mpa,mpb;
typedef pair<ll, ll> P;
priority_queue<P, vector<P>, greater<P>> pque;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  int N;
  cin >> N;
  int a[N+2];
  for(int i=1;i<=N;i++){
    cin >> a[i];
  }
  int cnt1=0,cnt2=0;
  sum=0;
  for(int i=1,s=1;i<=N;i++,s*=-1){
    sum+=a[i];
    if(sum*s<=0) cnt1+=abs(sum-s),sum=s;
  }
  sum=0;
  for(int i=1,s=-1;i<=N;i++,s*=-1){
    sum+=a[i];
    if(sum*s<=0) cnt2+=abs(sum-s),sum=s;
  }
  cout << min(cnt1,cnt2) << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:3: error: 'sum' was not declared in this scope
   31 |   sum=0;
      |   ^~~
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <limits>
#include <vector>
#include <cstdio>
#include <bits/stdc++.h>
#include <set>
#include <map>
#include <stdio.h>
#include <stack>
#include <queue>
#include <deque>
#include <numeric>
using namespace std;
using ll = long long;
map <int ,int> mpa,mpb;
typedef pair<ll, ll> P;
priority_queue<P, vector<P>, greater<P>> pque;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  int N;
  cin >> N;
  int a[N+2];
  for(int i=1;i<=N;i++){
    cin >> a[i];
  }
  cnt1=0,cnt2=0;
  sum=0;
  for(int i=1,s=1;i<=N;i++,s*=-1){
    sum+=a[i];
    if(sum*s<=0) cnt1+=abs(sum-s),sum=s;
  }
  sum=0;
  for(int i=1,s=-1;i<=N;i++,s*=-1){
    sum+=a[i];
    if(sum*s<=0) cnt2+=abs(sum-s),sum=s;
  }
  cout << min(cnt1,cnt2) << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:3: error: 'cnt1' was not declared in this scope
   30 |   cnt1=0,cnt2=0;
      |   ^~~~
a.cc:30:10: error: 'cnt2' was not declared in this scope
   30 |   cnt1=0,cnt2=0;
      |          ^~~~
a.cc:31:3: error: 'sum' was not declared in this scope
   31 |   sum=0;
      |   ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define forx(i,a,b) for(int i=(a);i<(b);i++)
#define rep(j,n) for(int j=0;j<(n);j++)

typedef long long ll; 

int main()
{ 
    int n,ansa=0,ansb=0,suma=0,sumb=0;
    cin>>n;
    
    rep(i,n){
      
      int a,b;
      cin>>b;
      a=b;
      
      if(i%2==0){
      if(suma+a<=0){
        ansa=1-a-suma
        a=1-suma;
        }
      if(sumb+b>=0){
        ansb=sumb+b+1;
        b=-1-sumb;
        }
      }
      else{
      if(suma+a>=0){
        ansa=suma+a+1;
        a=-1-suma;
        }
      if(sumb+b<=0){
        ansb=1-b-sumb;
        b=1-sumb;
        }
      }
      suma+=a;
      sumb+=b;
     
      }
      
    cout<<min(ansa,ansb)<<endl;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:22: error: expected ';' before 'a'
   21 |         ansa=1-a-suma
      |                      ^
      |                      ;
   22 |         a=1-suma;
      |         ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define forx(i,a,b) for(int i=(a);i<(b);i++)
#define rep(j,n) for(int j=0;j<(n);j++)

typedef long long ll; 

int main()
{ 
    int n,ansa=0,ansb=0,suma=0;sumb=0,cin>>n;
    bool plus=true;
    
    rep(i,n){
      
      int a,b;
      cin>>b;
      a=b;
      
      while(plus&&suma+a<=0){
        a++;
        ansa++;
        }
      while(!plus&&suma+a>=0){
        a--;
        ansa++;
        }
        
      while(plus&&sumb+b>=0){
        b++;
        ansb++;
        }
      while(!plus&&sumb+b<=0){
        b--;
        ansb++;
        }
        
      suma+=a;
      sumb+=b;
      plus=!plus;
      }
      
    cout<<min(ansa,ansb)<<endl;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:32: error: 'sumb' was not declared in this scope; did you mean 'suma'?
   10 |     int n,ansa=0,ansb=0,suma=0;sumb=0,cin>>n;
      |                                ^~~~
      |                                suma
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define forx(i,a,b) for(int i=(a);i<(b);i++)
#define rep(j,n) for(int j=0;j<(n);j++)

typedef long long ll; 

int main()
{ 
    int n,ansa=0,ansb=0,suma=0;sumb=0;
    cin>>n;
    bool plus=true;
    
    rep(i,n){
      
      int a,b;
      cin>>b;
      a=b;
      
      while(plus&&suma+a<=0){
        a++;
        ansa++;
        }
      while(!plus&&suma+a>=0){
        a--;
        ansa++;
        }
        
      while(plus&&sumb+b>=0){
        b++;
        ansb++;
        }
      while(!plus&&sumb+b<=0){
        b--;
        ansb++;
        }
        
      suma+=a;
      sumb+=b;
      plus=!plus;
      }
      
    cout<<min(ansa,ansb)<<endl;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:32: error: 'sumb' was not declared in this scope; did you mean 'suma'?
   10 |     int n,ansa=0,ansb=0,suma=0;sumb=0;
      |                                ^~~~
      |                                suma
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define forx(i,a,b) for(int i=(a);i<(b);i++)
#define rep(j,n) for(int j=0;j<(n);j++)

typedef long long ll; 

int main()
{ 
    int n,ansa=0,ansb=0,suma=0;sumb=0;
    cin>>n;
    bool plus=true;
    vector<int>a(n);
    
    rep(i,n){
      
      int a,b;
      cin>>t[i];
      a=b=t[i];
      
      while(plus&&suma+a<=0){
        a++;
        ansa++;
        }
      while(!plus&&suma+a>=0){
        a--;
        ansa++;
        }
        
      while(plus&&sumb+b>=0){
        b++;
        ansb++;
        }
      while(!plus&&sumb+b<=0){
        b--;
        ansb++;
        }
        
      suma+=a;
      sumb+=b;
      plus=!plus;
      }
      
    cout<<min(ansa,ansb)<<endl;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:32: error: 'sumb' was not declared in this scope; did you mean 'suma'?
   10 |     int n,ansa=0,ansb=0,suma=0;sumb=0;
      |                                ^~~~
      |                                suma
a.cc:18:12: error: 't' was not declared in this scope
   18 |       cin>>t[i];
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define forx(i,a,b) for(int i=(a);i<(b);i++)
#define rep(j,n) for(int j=0;j<(n);j++)

typedef long long ll; 

int main()
{ 
    int n,ansa=0,ansb=0,sum=0;
    cin>>n;
    bool plus=true;
    vector<int>t(n);
    rep(i,n){
      int a;
      cin>>t(i);
      a=t(i);
      while(plus&&sum+a<=0){
        a++;
        ansa++;
        }
      while(!plus&&sum+a>=0){
        a--;
        ansa++;
        }
      sum+=a;
      plus=!plus;
      }
      
      plus=false;
      sum=0;
      
      rep(i,n){
      int a;
      a=t(i);
      while(plus&&sum+a>=0){
        a++;
        ansb++;
        }
      while(!plus&&sum+a<=0){
        a--;
        ansb++;
        }
      sum+=a;
      plus=!plus;
      }
      
    cout<<min(ansa,ansb)<<endl;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:13: error: no match for call to '(std::vector<int>) (int&)'
   16 |       cin>>t(i);
      |            ~^~~
a.cc:17:10: error: no match for call to '(std::vector<int>) (int&)'
   17 |       a=t(i);
      |         ~^~~
a.cc:35:10: error: no match for call to '(std::vector<int>) (int&)'
   35 |       a=t(i);
      |         ~^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define forx(i,a,b) for(int i=(a);i<(b);i++)
#define rep(j,n) for(int j=0;j<(n);j++)

typedef long long ll; 

int main()
{ 
    int n,ansa=0,ansb=0,sum=0;
    cin>>n;
    bool plus=true;
    
    rep(i,n){
      int a;
      cin>>a;
      while(plus&&sum+a<=0){
        a++;
        ansa++;
        }
      while(!plus&&sum+a>=0){
        a--;
        ansa++;
        }
      sum+=a;
      plus=!plus
      }
      
      plus=false;
      sum=0;
      
      rep(i,n){
      int a;
      cin>>a;
      while(plus&&sum+a>=0){
        a++;
        ansb++;
        }
      while(!plus&&sum+a<=0){
        a--;
        ansb++;
        }
      sum+=a;
      plus=!plus
      }
      
    cout<<min(ansa,ansb)<<endl;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:17: error: expected ';' before '}' token
   26 |       plus=!plus
      |                 ^
      |                 ;
   27 |       }
      |       ~          
a.cc:44:17: error: expected ';' before '}' token
   44 |       plus=!plus
      |                 ^
      |                 ;
   45 |       }
      |       ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define forx(i,a,b) for(int i=(a);i<(b);i++)
#define rep(j,n) for(int j=0;j<(n);j++)

typedef long long ll; 

int main()
{ 
    int n,ansa=0,ansb=0;
    cin>>n;
    bool plus=true;
    
    rep(i,n){
      int a;
      cin>>a;
      while(plus&&sum+a<=0){
        a++;
        ansa++;
        }
      while(!plus&&sum+a>=0){
        a--;
        ansa++;
        }
      sum+=a;
      plus=!plus
      }
      
      plus=false;
      
      rep(i,n){
      int a;
      cin>>a;
      while(plus&&sum+a>=0){
        a++;
        ansb++;
        }
      while(!plus&&sum+a<=0){
        a--;
        ansb++;
        }
      sum+=a;
      plus=!plus
      }
      
    cout<<min(ansa,ansb)<<endl;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:19: error: 'sum' was not declared in this scope
   17 |       while(plus&&sum+a<=0){
      |                   ^~~
a.cc:21:20: error: 'sum' was not declared in this scope
   21 |       while(!plus&&sum+a>=0){
      |                    ^~~
a.cc:25:7: error: 'sum' was not declared in this scope
   25 |       sum+=a;
      |       ^~~
a.cc:26:17: error: expected ';' before '}' token
   26 |       plus=!plus
      |                 ^
      |                 ;
   27 |       }
      |       ~          
a.cc:34:19: error: 'sum' was not declared in this scope
   34 |       while(plus&&sum+a>=0){
      |                   ^~~
a.cc:38:20: error: 'sum' was not declared in this scope
   38 |       while(!plus&&sum+a<=0){
      |                    ^~~
a.cc:42:7: error: 'sum' was not declared in this scope
   42 |       sum+=a;
      |       ^~~
a.cc:43:17: error: expected ';' before '}' token
   43 |       plus=!plus
      |                 ^
      |                 ;
   44 |       }
      |       ~
Language: C++

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

int main()
{
    int n,ans,sum;
    cin>>n;
    vector<int>a(n);
    for(int i=0;i<n;i++){
      cin>>a.at(i);
      }
      sum=a.at(0);
      
    for(int i=0;i<n-1;i++){
      
while(sum>0&&sum+a.at(i+1)>=0)||(sum<0&&sum+a.at(i+1)<=0)){
      
         if(a.at(i)<0){
         a.at(i+1)++;
         ans++;
         }
         if(a.at(i)>0){
         a.at(i+1)--;
         ans++;
         }
      }
      sum+=a.at(i+1);
  }
     cout<<ans<<endl;
       
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:31: error: expected primary-expression before '||' token
   16 | while(sum>0&&sum+a.at(i+1)>=0)||(sum<0&&sum+a.at(i+1)<=0)){
      |                               ^~
Language: C++

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

int main()
{
    int n,ans;
    cin>>n;
    vector<int>a(n);
    for(int i=0;i<n;i++){
      cin>>a.at(i);
      }
      
    for(int i=0;i<n-1;i++){
      
      int sum=0;
      for(int j=i;j>=0;j--)sum+=a.at(j);//sum
      
      while(p*a.at(i+1)>=0||p+a.at(i+1)==0){
      
         if(a.at(i)>0){
         a.at(i+1)--;
         ans++;
         }
         if(a.at(i)<0){
         a.at(i+1)++;
         ans++;
         }
      }
      
  }
     cout<<ans<<endl;
       
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:13: error: 'p' was not declared in this scope
   18 |       while(p*a.at(i+1)>=0||p+a.at(i+1)==0){
      |             ^
Language: C++

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

int main()
{
    int n,ans;
    cin>>n;
    vector<int>a(n);
    for(int i=0;i<n;i++){
      cin>>a.at(i);
      }
      
    for(int i=0;i<n-1;i++){
      
      while(a.at(i)*a.at(i+1)>=0){
      
         if(a.at(i)>0){
         a.at(i+1)--;
         ans++;
         }
         if(a.at(i)<0){
         a.at(i+1)++;
         ans++;
         }
      }
      
      int p=0;
      for(int j=i+1;j>=0;j--)p+=a.at(j);//sum
      if(p==0){
        if(a.at(i)>0)a.at(i+1)++;
        else a.at(i+1)--;
        ans++;
   }
     cout<<ans<<endl;
       
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:2: error: expected '}' at end of input
   37 | }
      |  ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

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

int main()
{
    int n,ans;
    cin>>n;
    vector<int>a(n);
    for(int i=0;i<n;i++){
      cin>>a.at(i);
      }
      
    for(int i=0;i<n-1;i++){
      
      while(a.at(i)*a.at(i+1)>=0){
      
         if(a.at(i)>0){
         a.at(i+1)--;
         ans++;
         if(p==0)p++;
         }
         if(a.at(i)<0){
         a.at(i+1)++;
         ans++;
         if(p==0)p++;
         }
      }
      
      int p=0;
      for(int j=i+1;j>=0;j--)p+=a.at(j);//sum
      if(p==0){
        if(a.at(i)>0)a.at(i+1)++;
        else a.at(i+1)--;
        ans++;
   }
     cout<<ans<<endl;
       
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:13: error: 'p' was not declared in this scope
   20 |          if(p==0)p++;
      |             ^
a.cc:25:13: error: 'p' was not declared in this scope
   25 |          if(p==0)p++;
      |             ^
a.cc:39:2: error: expected '}' at end of input
   39 | }
      |  ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

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

int main()
{
    int n,ans;
    cin>>n;
    vector<int>a(n);
    for(int i=0;i<n;i++){
      cin>>a.at(i);
      }
    for(int i=0;i<n-1;i++){
      int p=0;
      for(int j=i+1;j>=0;j--)p+=a.at(j);
      while(a.at(i)*a.at(i+1)<0||p=0){
      
         if(a.at(i)>0){
         a.at(i+1)--;
         ans++;
         continue;
         }
         if(a.at(i)<0){
         a.at(i+1)++;
         ans++;
         continue;
         }
      }
   }
     cout<<ans<<endl;
       
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:32: error: lvalue required as left operand of assignment
   15 |       while(a.at(i)*a.at(i+1)<0||p=0){
      |             ~~~~~~~~~~~~~~~~~~~^~~
Language: C++

#define _GLIBCXX_DEBUG
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>

using namespace std;
typedef long long ll;

#define REP(i,n) for(int i=0;i<(int)n;++i)
#define FOR(i,c) for(__typeof((c).begin())i=(c).begin();i!=(c).end();++i)
#define ALL(c) (c).begin(), (c).end()

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

    vector<ll> a(n);
    REP(i,n) {
        ll b;
        cin >> b;
        a[i] = b;
    }
    vector<ll> a2(a);

    // a[0] > 0
    ll res1 = 0, sum1 = 0;
    REP(i, n) {
        if(i%2 == 0) {
            if (sum1 + a[i] <= 0) {
                ll dif = -(sum1 + a[i]) + 1;
                res1 += dif;
                a[i] += dif;
            }
            sum1 += a[i];
        } else {
            if (sum1 + a[i] >= 0) {
                ll dif = (sum1 + a[i]) + 1;
                res1 += dif;
                a[i] -= dif;
            }
            sum1 += a[i];
        }
    }

    ll res2 = 0, sum2 = 0;
    REP(i, n) {
        if(i%2 == 1) {
            if (sum2 + a2[i] <= 0) {
                ll dif = -(sum2 + a2[i]) + 1;
                res2 += dif;
                a2[i] += dif;
            }
            sum2 += a2[i];
        } else {
            if (sum2 + a2[i] >= 0) {
                ll dif = (sum2 + a2[i]) + 1;
                res2 += dif;
                a2[i] -= dif;
            }
            sum2 += a2m[i];
        }
    }

    cout << min(res1, res2) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:61:21: error: 'a2m' was not declared in this scope; did you mean 'a2'?
   61 |             sum2 += a2m[i];
      |                     ^~~
      |                     a2
Language: C++

#include <iostream>
using namespace std;
typedef long long int lli


int main() {
	int n;
	cin >> n;
	int a[100000];
	for (int i = 0;i<n;i++) { cin >> a[i]; }

	//最初が正のケース
	lli Mp = 0;
	int Sp = 0;
	int dif = 0;
	for (int i = 0;i<n;i++) {
		Sp += a[i];
		if (i % 2 == 0) {
			if (Sp<=0) {
				dif = 1 - Sp;
				Mp += dif;
				Sp += dif;
			}
		}
		else {
			if (Sp>=0) {
				dif = Sp + 1;
				Mp += dif;
				Sp += -dif;
			}
		}
	}
	//最初が負のケース
	lli Mn = 0;
	int Sn = 0;
	int di = 0;
	for (int i = 0;i<n;i++) {
		Sn += a[i];
		if (i % 2 == 1) {
			if (Sn<=0) {
				di = 1 - Sp;
				Mn += di;
				Sn += di;
			}
		}
		else {
			if (Sn>=0) {
				di = Sn + 1;
				Mn += di;
				Sn += -di;
			}
		}
	}
	if (Mp<Mn) { cout << Mp; }
	else { cout << Mn; }
}


Compiler output:
a.cc:6:1: error: expected initializer before 'int'
    6 | int main() {
      | ^~~
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cmath>
#include<map>
#include<cstdio>
#include<stack>
#include<queue>
#include<fstream>
#include<cstdio>

using namespace std;
#define ok1 printf("ok1\n");
#define ok2 printf("ok2\n");
#define M 1000000
#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,s,n) for(int i=(s);i<(n);i++)
#define repr(i,n) for(int i=n-1;i>=0;i--)
#define REPR(i,s,n) for(int i=(s);i>=(g);(i)--)
#define all(a) (a).begin(),(a).end()
#define reall(a) (a).rbegin(),(a).rend()
#define pb push_back
#define MIN(a,b) a=min((a),(b))
#define MAX(a,b) a=max((a),(b))
#define SIZE(v) (int)v.size()

typedef vector<int> vi;
typedef vector<string> vs;
typedef long long ll;
typedef vector<ll> vll;

#ifdef TESTING
#define DEBUG fprintf(stderr,"====TESTING====\n")
#define VALUE(x) cerr << "The value of " << #x << " is " << x << endl
#define debug(...) fprintf(stderr, __VA_ARGS__)
#else
#define DEBUG 
#define VALUE(x)
#define debug(...)
#endif

inline string IntToString(ll a) {
	char x[100];
	sprintf_s(x, "%lld", a); string s = x;
	return s;
}

inline ll StringToInt(string a) {
	char x[100]; ll res;
	strcpy_s(x, a.c_str()); sscanf_s(x, "%lld", &res);
	return res;
}


inline string uppercase(string s) {
	int n = SIZE(s);
	rep(i, n) if (s[i] >= 'a' && s[i] <= 'z') s[i] = s[i] - 'a' + 'A';
	return s;
}

inline string lowercase(string s) {
	int n = SIZE(s);
	rep(i, n) if (s[i] >= 'A' && s[i] <= 'Z') s[i] = s[i] - 'A' + 'a';
	return s;
}
int n;
ll d[100005];
ll solve() {
	ll nans = 0;
	ll nowsum = 0;
	rep(i, n) {
		if (i % 2 == 0) {
			if (nowsum + d[i] <= 0) {
				nans += llabs(nowsum + d[i] - 1);
				nowsum = 1;
			}
			else {
				nowsum += d[i];
			}
		}
		else {
			if (nowsum + d[i] >= 0){
				nans += llabs(nowsum + d[i] - (-1));
				nowsum = -1;
			}
			else
				nowsum += d[i];
		}
		//cout << nans << endl;
	}
	return nans;
}

int main()
{
	
	cin >> n;
	rep(i, n) {
		cin >> d[i];
	}
	ll ans = solve();
	rep(i, n) d[i] *= -1;
	ans = MIN(ans, solve());
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'std::string IntToString(ll)':
a.cc:45:9: error: 'sprintf_s' was not declared in this scope; did you mean 'sprintf'?
   45 |         sprintf_s(x, "%lld", a); string s = x;
      |         ^~~~~~~~~
      |         sprintf
a.cc: In function 'll StringToInt(std::string)':
a.cc:51:9: error: 'strcpy_s' was not declared in this scope
   51 |         strcpy_s(x, a.c_str()); sscanf_s(x, "%lld", &res);
      |         ^~~~~~~~
a.cc:51:33: error: 'sscanf_s' was not declared in this scope; did you mean 'sscanf'?
   51 |         strcpy_s(x, a.c_str()); sscanf_s(x, "%lld", &res);
      |                                 ^~~~~~~~
      |                                 sscanf
Language: C++

#include <iostream>
#include <cmath>

using namespace std;

int sign(int a){
	if (a > 0)
		return 1;
	else
		if (a < 0)
			return -1;
		else
			return 0;
}

int main(void){
	int n;

	cin >> n;

	int sum = 0, s = 1;

	int a;

	int num = 0;

	for (int i = 0; i < n; i++){
		cin >> a;
		sum += a;

		if (i != 0 && (sign(s) == sign(sum) || sum = 0)){
			num += abs(sum) + 1;
			sum = sign(s) * -1;
			s *= -1;
		}
		else {
			s = sign(sum);
		}
	}

	cout << num << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:53: error: lvalue required as left operand of assignment
   31 |                 if (i != 0 && (sign(s) == sign(sum) || sum = 0)){
      |                                ~~~~~~~~~~~~~~~~~~~~~^~~~~~
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
int main(void){
    int n;
    cin>>n;
    vector<int> a(n);
    cin>>a[0];
    for(int i=1;i<n;i++){
        cin>>a[i];
        a[i]+=a[i-1];
    }
    if(a[0]<0){
        for(int i=0;i<n;i++){
            a[i]*=-1;
        }
    }
    int ans=0,def=0;
    if(a[0]==0){
        ans++;
        def++;
    }
    for(int i=1;i<n;i++){
        if(i%2==0&&a[i]+def<=0){
            ans+=1-(a[i]+def);
            def+=1-(a[i]+def);
        }
        else if(i%2==1&&a[i]+def>=0){
            ans+=a[i]+def+1;
            def-=a[i]+def+1;
        }
    }
    cout<<ans<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'vector' was not declared in this scope
    7 |     vector<int> a(n);
      |     ^~~~~~
a.cc:3:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    2 | #include <algorithm>
  +++ |+#include <vector>
    3 | using namespace std;
a.cc:7:12: error: expected primary-expression before 'int'
    7 |     vector<int> a(n);
      |            ^~~
a.cc:8:10: error: 'a' was not declared in this scope
    8 |     cin>>a[0];
      |          ^