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

#include <iostream>
#include <set>
#include <vector>
#include <algorithm>
#include <string>
#define REP(i,n) for(int i=0;i<(n);i++)
using namespace std;
int main(){
  long long int n,x;
  long long int a[100100];
  cin>>n>>x;
  REP(i,n)cin>>a[i];
  long long int ans=0;
  for(int i=1;i<n;i++){
    if(a[i]+a[i-1]>x){
      ans+=(a[i]+a[i-1]-x);
      a[i]=max(0,x-a[i-1]);
    }
  }
  cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:15: error: no matching function for call to 'max(int, long long int)'
   17 |       a[i]=max(0,x-a[i-1]);
      |            ~~~^~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:17:15: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   17 |       a[i]=max(0,x-a[i-1]);
      |            ~~~^~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:4:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:17:15: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   17 |       a[i]=max(0,x-a[i-1]);
      |            ~~~^~~~~~~~~~~~
Language: C++

#include<iostream>

using namespace std;

int main(){
    int n;
    cin >> n;
    long x;
    cin >> x;
    long a[n];
    for(int i = 0;i < n;i++){
        cin >> a[i];
    }
    long y = 0;
    long ans = 0;
    for(int i = 0;i < n;i++){
        if(x < a[i] + y){
            ans += a[i] + y - x;
            y = x - y
        }
        else{
            y = a[i];
        }
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:22: error: expected ';' before '}' token
   19 |             y = x - y
      |                      ^
      |                      ;
   20 |         }
      |         ~
Language: C++

# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <utility>
# include <stack>
# include <queue>
# include <list>
# include <bitset>
# include <complex>
# include <numeric>
# include <tuple>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr int INF = 2000000000;
constexpr int HINF = INF / 2;
constexpr double DINF = 100000000000000000.0;
constexpr long long LINF = 9223372036854775807;
constexpr long long HLINF = 4500000000000000000;
const double PI = acos(-1);
int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 };
#define ALL(x)   (x).begin(),(x).end()
#define UNIQ(c) (c).erase(unique(ALL((c))), end((c)))
#define mp       make_pair
#define eb       emplace_back
typedef pair<LL, double> P;
typedef pair<P, P> PP;

struct edge { int to; double cost; };

#define int LL

int x[1010], y[1010], r[1010];

double d[100100]; //距離
vector<edge> vec[100100];

void dijkstra() {
	for (int i = 0; i < 1100; i++)d[i] = DINF;
	priority_queue<P, std::vector<P>, std::greater<P>> pq;
	d[0] = 0;
	pq.push(make_pair(d[0], 0));//cost,to
	while (!pq.empty()) {
		P p = pq.top();
		pq.pop();
		int i = p.second;
		if (d[i] < p.first)continue;
		for (int k = 0; k < vec[i].size(); k++) {
			edge e = vec[i][k];
			if (d[e.to] <= d[i] + e.cost)continue;
			d[e.to] = d[i] + e.cost;
			pq.push(make_pair(d[e.to], e.to));
		}
	}
	
}

int main() {
	int n;
	cin >> x[0] >> y[0] >> x[1000 + 1] >> y[1000 + 1];
	cin >> n;
	x[n + 1] = x[1001], y[n + 1] = y[1001];
	for (int i = 1; i <= n; i++) {
		cin >> x[i] >> y[i] >> r[i];
	}
	for (int i = 0; i <= n+1; i++) {
		for (int j = 0; j <= n + 1;j++) {
			if (i == j)continue;
			double num = sqrt(abs(x[i] - x[j])*abs(x[i] - x[j]) + abs(y[i] - y[j])*abs(y[i] - y[j]));
			vec[i].emplace_back(edge{ j,max(0.0,num - r[i] - r[j]) });
		}
	}
	dijkstra();
	cout <<fixed<<setprecision(20)<< d[n + 1] << endl;
	//cout << dijkstra() << endl;
	//system("pause");

}

Compiler output:
a.cc:37:13: error: '::main' must return 'int'
   37 | #define int LL
      |             ^~
a.cc:64:1: note: in expansion of macro 'int'
   64 | int main() {
      | ^~~
a.cc: In function 'int main()':
a.cc:76:51: warning: narrowing conversion of 'j' from 'LL' {aka 'long long int'} to 'int' [-Wnarrowing]
   76 |                         vec[i].emplace_back(edge{ j,max(0.0,num - r[i] - r[j]) });
      |                                                   ^
Language: C++

#include <iostream>

using namespace std;
typedef long long ll;

int main(){
  ll N, x;
  ll a[100100];
  cin >> N >> x;
  for(int i = 0; i < N; i++){
    cin >> a[i];
  }

  ll res = 0;
  for(int i = 0; i < N-1; i++){
    if(a[i] + a[i+1] > x){
      int r = a[i] + a[i+1] - x;
      res += r;
      a[i+1] = max(0, a[i+1]-r);
    }
  }
  cout << res << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:19: error: no matching function for call to 'max(int, ll)'
   19 |       a[i+1] = max(0, a[i+1]-r);
      |                ~~~^~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:19:19: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   19 |       a[i+1] = max(0, a[i+1]-r);
      |                ~~~^~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
Language: C++

import sequtils,strutils,math
var
    N, x : int
    A : seq[int]
    cnt : int
(N, x) = stdin.readline.split.map(parseInt)
A = stdin.readline.split.map(parseInt)
for i in 1..A.high:
    if A[i] + A[i - 1] > x:
        var j = A[i] + A[i - 1] - x
        A[i] -= min(j, A[i])
        cnt += j
echo cnt

Compiler output:
a.cc:8:10: error: too many decimal points in number
    8 | for i in 1..A.high:
      |          ^~~~~~~~~
a.cc:1:1: error: 'import' does not name a type
    1 | import sequtils,strutils,math
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include <bits/stdc++.h>
#define REP(i,n) for(int i=0;i<(int)(n);i++)
#define ALL(x) (x).begin(),(x).end()
#define LL long long

using namespace std;

int main(){
    LL N,x;cin>>N>>x;
    LL a[N];
    REP(i,N)cin>>a[i];

    LL sum[N-1];
    REP(i,N-1)sum[i]=a[i]+a[i+1];

    LL ans=0;
    REP(i,N-1){
        if(sum[i]>x){
            ans+=sum[i]-x;
            if(i<N-2){
                sum[i+1]-=(sum[i]-x);
                sum[i+1]=max(0,sum[i+1]);
            }
            sum[i]=x;
        }
    }
    cout<<ans<<endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:29: error: no matching function for call to 'max(int, long long int&)'
   22 |                 sum[i+1]=max(0,sum[i+1]);
      |                          ~~~^~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:22:29: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   22 |                 sum[i+1]=max(0,sum[i+1]);
      |                          ~~~^~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:22:29: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   22 |                 sum[i+1]=max(0,sum[i+1]);
      |                          ~~~^~~~~~~~~~~~
Language: C++

#include <iostream>
#include <vector>

using namespace std;

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

  long long int ans = 0;
  for (int i = 0; i < n - 1; i++) {
    long long int sum = ns[i] + ns[i + 1];
    long long int diff = sum - x;
    if (diff <= 0) { continue; }
    ans += diff;
    long long int m1 = min(diff, ns[i + 1]);
    ns[i + 1] -= m1;
    long long int m2 = diff - m1;
    if (m2 > 0) {
      ns[i] -= m2;
    }
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:27: error: no matching function for call to 'min(long long int&, __gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type&)'
   18 |     long long int m1 = min(diff, ns[i + 1]);
      |                        ~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:18:27: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
   18 |     long long int m1 = min(diff, ns[i + 1]);
      |                        ~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
int n,x;
long long int a[100000];
cin >> n >> x;
long long int cnt = 0;
for(int i = 0; i < n; i++){
cin >> a[i];
if(a[i] > x){
cnt += (a[i] - x);
a[i] = x;
}
}
for(int i = 0; i < n-1; i++){
if(a[i] + a[i+1] > x){
cnt += (a[i]+a[i+1]-x);
a[i+1] -= (a[i]+a[i+1]-x);
}
cout << cnt << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:2: error: expected '}' at end of input
   21 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C

#include<stdio.h>
int main(void){
    long i,r,n,x,a[100000];
    scanf("%ld%ld",&n,&x);
    for(i = 0;i < n;i++){
        scanf("%ld",&a[i]);
    }
    for(i = 0;i < n - 1;i++){
        r = a[i] + a[i + 1] - x;
        if(r > 0){
            if(a[i + 1] >= r){
                a[i + 1] -= r;
            }else{
                a[i + 1] = 0;
            }
            k += r;
        }
    }
    printf("%ld\n",k);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:16:13: error: 'k' undeclared (first use in this function)
   16 |             k += r;
      |             ^
main.c:16:13: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(void){
    long i,r,n,x,a[100000];
    scanf("%d%d",&n,&x);
    for(i = 0;i < n;i++){
        scanf("%d",&a[i]);
    }
    for(i = 0;i < n - 1;i++){
        r = a[i] + a[i + 1] - x;
        if(r > 0){
            if(a[i + 1] >= r){
                a[i + 1] -= r;
            }else{
                a[i + 1] = 0;
            }
            k += r;
        }
    }
    printf("%d\n",k);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:16:13: error: 'k' undeclared (first use in this function)
   16 |             k += r;
      |             ^
main.c:16:13: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <stdio.h>
int n,x,c[100001];
long long int cnt;
int main() {
	scanf("%d%d",&n,&x);
	for(int i=0;i<n;i++)
		scanf("%d",c+i);
	for(int i=1;i<n;i++) {
		int t=c[i-1]+c[i];
		int tx=t-x;
		if(t>x) {
			if(c[i]>=tx) {
				c[i]-=tx;
				cnt+=tx;
			}
			else {
				cnt+=tx;
				c[i-1]-=(tx-c[i]);
				c[i]=0;
			}
		} 
	}
	print("%lld\n",cnt);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:9: error: 'print' was not declared in this scope; did you mean 'printf'?
   23 |         print("%lld\n",cnt);
      |         ^~~~~
      |         printf
Language: Java

import java.util.Scanner;

public class BoxesAndCandies {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		// standard input
		int numBoxes = sc.nextInt();
		int numLimit = sc.nextInt();
		int[] candyArray = new int[numBoxes];
		for (int i = 0; i < numBoxes; i++) {
			candyArray[i] = sc.nextInt();
		}

		//
		int totalAteCandies = 0;
		for (int i = 1; i < numBoxes; i++) {
			int numExcessCandies = calculateExcessCandies(numLimit, candyArray[i - 1], candyArray[i]);
			totalAteCandies += numExcessCandies;
			eatCandies(candyArray, i, numExcessCandies);
		}
		System.out.println(totalAteCandies);
	}

	public static int calculateExcessCandies(int limit, int candy1, int candy2) {
		int numCandies = candy1 + candy2 - limit;
		if (numCandies < 0) {
			return 0;
		} else {
			return numCandies;
		}
	}

	public static void eatCandies(int[] array, int index, int numExcessCandies) {
		array[index] -= numExcessCandies;
		if (array[index] < 0) {
			array[index - 1] += array[index];
			array[index] = 0;
		}
	}
}


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

#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<vector>
#include<cmath>
#include<queue>
using namespace std;
int main(void){
	long double a[1002][1002];
	int n=0;
	int x[1002];
	int y[1002];
	int r[1002];
	long double d[1002];
	int e[1002];
for(int i=0;i<1002;i++){
for(int j=;j<1002;j++){
a[i][j]=0;
}
x[i]=0;
y[i]=0;
r[i]=0;
d[i]=4000000000;
e[i]=0;
}
	priority_queue<pair<double, int>> t;
	pair<double, int> pai;
	long long z=0;
	long long c=0;
	int p=0;
	int q=0;
	int s=0;
	int k=0;
	int zz=0;
	scanf("%d %d %d %d",&s, &k, &p, &q);
		scanf("%d", &n);
		x[0] = s;
		y[0] = k;
		x[n + 1] = p;
		y[n + 1] = q;
		r[0] = 0;
		r[n + 1] = 0;
		for (int i = 1; i <= n; i++){
			scanf("%d %d %d", &x[i], &y[i], &r[i]);
		}
		for (int i = 0; i < n + 2; i++){
			for (int j = i+1; j < n + 2; j++){
				z = (y[j] - y[i])*(y[j] - y[i]);
				z = (x[j] - x[i])*(x[j] - x[i]) + z;
				a[i][j] = sqrt(z)-r[i]-r[j];
				a[j][i] = sqrt(z)-r[i]-r[j];
			}
			a[i][i] = 1;
			d[i] = 4000000000;
			e[i] = 0;
		}
		d[0] = 0;
		t.push(make_pair(d[0], 0));
		for (int i = 0; t.empty() == 0&&e[n+1]==0; i++){
			zz = 0;
			for (int j = 0; t.empty() == 0 && zz == 0; j++){
				pai = t.top();
				z = pai.second;
				if (e[z] == 0)zz++;
				else t.pop();
			}
			if (zz == 0)break;

			e[z] = 1;
			for (int j = 0; j < n+2; j++){
				if (d[z] + a[z][j] < d[j])
				{
					d[j] = d[z] + a[z][j];
					t.push(make_pair(-d[j],j));
				}
			}
			t.pop();
		}
		double m;
		long long dd[20];
for(int i=0;i<20;i++){
dd[i]=0;
}
		m = d[n + 1];
		for (int i = 0; i < 11; i++){
			if (i<10)dd[i] = round(m - 0.4999999999);
			else dd[i] = round(m);
			if (dd[i] != m)dd[i] = round(m - 0.5);
			m = m - dd[i];
			m = m * 10;
			printf("%lld", dd[i]);
			if (i == 0)printf(".");
		}
		printf("\n");

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:11: error: expected primary-expression before ';' token
   17 | for(int j=;j<1002;j++){
      |           ^
Language: C++

<>=~$";$\+=$-=$%+$_-$',$%=$_-$-for glob<>;print

Compiler output:
a.cc:1:6: warning: missing terminating " character
    1 | <>=~$";$\+=$-=$%+$_-$',$%=$_-$-for glob<>;print
      |      ^
a.cc:1:6: error: missing terminating " character
    1 | <>=~$";$\+=$-=$%+$_-$',$%=$_-$-for glob<>;print
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:1:1: error: expected unqualified-id before '<' token
    1 | <>=~$";$\+=$-=$%+$_-$',$%=$_-$-for glob<>;print
      | ^
Language: C++

#include <iostream>

2.using namespace std;

3.int a[100010];

4.int main() {

5.	int n,x;

6.	cin>>n>>x;

7.	for(int i=1;i<=n;i++){

8.		cin>>a[i];

9.	}

10.	int ans=0;

11.	for(int i=2;i<=n;i++){

12.		if(a[i]+a[i-1]>x){

13.			ans+=a[i]+a[i-1]-x;

14.			a[i]-=a[i]+a[i-1]-x;

15. 

16.		}

17.	}

18.	cout<<ans;

19.	return 0;

20.}



Compiler output:
a.cc:3:1: error: expected unqualified-id before numeric constant
    3 | 2.using namespace std;
      | ^~~~~~~
a.cc:5:1: error: expected unqualified-id before numeric constant
    5 | 3.int a[100010];
      | ^~~~~
a.cc:7:1: error: expected unqualified-id before numeric constant
    7 | 4.int main() {
      | ^~~~~
Language: C++

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

int main(){
    int N, x, cnt=0,sum=0; cin>>N>>x;
    bool flg=true;
    vector<int> a(N), b(N-1);
    for(int i=0;i<N;i++){
        cin>>a[i];
        if(i){
          b[i-1]=a[i-1]+a[i];
          if(b[i-1]>x) flg=false;
        }
        sum+=a[i];
    }
    if(flg){cout<<cnt<<endl; return 0;}
    if(!x){cout<<sum<<endl; return 0;}
    for(int i=0;i<N-1;i++){
        if(b[i]>x){
          cnt+=b[i]-x;
          if(i!=N-2){
            b[i+1]-=b[i]-x; b[i+1]=max(b[i+1],0);
        }
    }
    cout<<cnt<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:2: error: expected '}' at end of input
   29 | }
      |  ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
Language: C++

/*Code is modified from others*/
#include<cstdio>
#include<algorithm>
#include<vector>
#include <iostream>
#define FL(i,j,k) for(int i=j;i<k;++i)
const int MAXN = 2e6;
using namespace std;
typedef long long ll;
ll A[100000];
ll construct[100000]={0};
int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    int n,x;cin>>n>>x;
    FL(i, 0, n)cin>>A[i];
    construct[0]=min(A[0],x);
    FL(i, 1, n){
        if(construct[i]+construct[i-1]<x){
            construct[i]=min(A[i],x-construct[i]-construct[i-1]);
        }
    }
    ll sum=0;
    FL(i, 0, n)sum+=A[i]-construct[i];
    cout<<sum;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:21: error: no matching function for call to 'min(ll&, int&)'
   16 |     construct[0]=min(A[0],x);
      |                  ~~~^~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from a.cc:3:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:16:21: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   16 |     construct[0]=min(A[0],x);
      |                  ~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:16:21: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   16 |     construct[0]=min(A[0],x);
      |                  ~~~^~~~~~~~
Language: C

#include<stdio.h>
int main(){
long int maxi,mini,sum,n,x,a[100010];
scanf("%ld%ld",&n,&x);
for(i=0;i<n;i++){
scanf("%ld",&a[i]);
}   
int count=0,i;
for(i=0;i<n-1;i++){
if(a[i]+a[i+1]>x){
sum=a[i]+a[i+1];
maxi=(a[i]>a[i+1])?a[i]:a[i+1];
mini=(a[i]<a[i+1])?a[i]:a[i+1];
if(a[i+1]==a[i]){
maxi=a[i+1];
mini=a[i];
}
if(maxi>sum-x){
maxi=maxi-sum+x;
count++;
}
else{
maxi=0;
mini=mini-(sum-x-maxi);
count++;
}
}
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:5: error: 'i' undeclared (first use in this function)
    5 | for(i=0;i<n;i++){
      |     ^
main.c:5:5: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
long int maxi,mini,sum,n,x,a[100010];
scanf("%ld%ld",&n,&x)
for(i=0;i<n;i++){
scanf("%ld",&a[i]);
}   
int count=0;
for(i=0;i<n-1;i++){
if(a[i]+a[i+1]>x){
sum=a[i]+a[i+1];
maxi=(a[i]>a[i+1])?a[i]:a[i+1];
mini=(a[i]<a[i+1])?a[i]:a[i+1];
if(a[i+1]==a[i]){
maxi=a[i+1];
mini=a[i];
}
if(maxi>sum-x){
maxi=maxi-sum+x;
count++;
}
else{
maxi=0;
mini=mini-(sum-x-maxi);
count++;
}
}
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:22: error: expected ';' before 'for'
    4 | scanf("%ld%ld",&n,&x)
      |                      ^
      |                      ;
    5 | for(i=0;i<n;i++){
      | ~~~                   
main.c:9:5: error: 'i' undeclared (first use in this function)
    9 | for(i=0;i<n-1;i++){
      |     ^
main.c:9:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:20:1: error: 'count' undeclared (first use in this function)
   20 | count++;
      | ^~~~~
Language: C++

#include "stdio.h"
int cand[100004];

int main()
{
    int x,n,i;
    __int64 sum;
    while (scanf ("%d%d",&n,&x) != EOF)
    {
        sum = 0;
        for (i=0;i<n;i++)
        {
            scanf ("%d",&cand[i]);
        }
        if (cand[0] > x)
        {
            sum = cand[0]-x;
            cand[0] = x;
        }
        for (i=1;i<n;i++)
        {
            if (cand[i]+cand[i-1] > x)
            {
                sum += cand[i]+cand[i-1]-x;
                cand[i] -= cand[i]+cand[i-1]-x;
            }
        }
        printf ("%I64d\n",sum);
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: '__int64' was not declared in this scope; did you mean '__int64_t'?
    7 |     __int64 sum;
      |     ^~~~~~~
      |     __int64_t
a.cc:10:9: error: 'sum' was not declared in this scope
   10 |         sum = 0;
      |         ^~~
Language: C++

#include <cstdio>
#include <climits>
#include <cassert>
#include <iostream>
#include <string>
#include <algorithm>
#include <numeric>
#include <functional>
#include <tuple>
#include <list>
#include <map>
#include <queue>
#include <stack>
#include <set>
#include <vector>

#define REP(i,s,n) for(int i=(int)(s);i<(int)(n);i++)
#define FOR(x,xs) for(auto &x: xs)

using namespace std;
typedef long long ll;
typedef pair<int,int> PI;
typedef pair<ll,ll> PL;
typedef vector<int> VI;
typedef vector<ll> VL;

ll solve(const VL &as, ll x) {
  ll ans = 0;
  if(as[0] > x) {
    ans += as[0] - x;
    as[0] -= x;
  }
  REP(i,0,N-1) {
    ll s = as[i] + as[i+1];
    if(s > x) {
      ans += s - x;
      as[i+1] -= s - x;
    }
  }
  return ans;
}

int main() {
  ios::sync_with_stdio(false);
  int N;
  ll x;
  cin >> N >> x;
  VL as(N);
  FOR(a,as) {
    cin >> a;
  }
  ll a1 = solve(as, x);
  reverse(as.begin(), as.end());
  ll a2 = solve(as, x);
  cout << min(a1, a2) << endl;
  return 0;
}


Compiler output:
a.cc: In function 'll solve(const VL&, ll)':
a.cc:31:11: error: assignment of read-only location '(& as)->std::vector<long long int>::operator[](0)'
   31 |     as[0] -= x;
a.cc:33:11: error: 'N' was not declared in this scope
   33 |   REP(i,0,N-1) {
      |           ^
a.cc:17:47: note: in definition of macro 'REP'
   17 | #define REP(i,s,n) for(int i=(int)(s);i<(int)(n);i++)
      |                                               ^
a.cc:37:15: error: assignment of read-only location '(& as)->std::vector<long long int>::operator[](((std::vector<long long int>::size_type)(i + 1)))'
   37 |       as[i+1] -= s - x;
Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <map>
#include <cmath>
using namespace std;
typedef long long int;

int main()
{
	int n, x; cin >> n >> x;
	int cnt = 0;
	vector<int>A(n);
	for (int i = 0; i < n; i++) {
		int a; cin >> a;
		if (a > x) {
			cnt += a - x;
			a = x;
		}
		A[i] = a;
	}
	vector<int>A1(A);
	int cnt1 = 0;
	for (int i = 1; i < n; i++) {
		if (A1[i] + A1[i - 1] > x) {
			cnt1 += A1[i] + A1[i - 1] - x;
			A1[i] = x - A1[i - 1];
		}
	}
	vector<int>A2(A);
	int cnt2 = 0;
	for (int i = n-2; i >= 0; i--) {
		if (A2[i] + A2[i + 1] > x) {
			cnt2 += A2[i] + A2[i + 1] - x;
			A2[i] = x - A2[i + 1];
		}
	}

	cout << cnt+min(cnt1,cnt2) << endl;

    return 0;
}

Compiler output:
a.cc:9:19: error: declaration does not declare anything [-fpermissive]
    9 | typedef long long int;
      |                   ^~~
Language: C++

#include <string>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <map>
#include <cmath>
using namespace std;

int main()
{
	int n, x; cin >> n >> x;
	int cnt = 0;
	vector<int>A(n);
	for (int i = 0; i < n; i++) {
		int a; cin >> a;
		if (a > x) {
			cnt += a - x;
			a = x;
		}
		A[i] = a;
	}
	vector<int>A1(A);
	int cnt1 = 0;
	for (int i = 1; i < n; i++) {
		if (A1[i] + A1[i - 1] > x) {
			cnt1 += A1[i] + A1[i - 1] - x;
			A1[i] = x - A1[i - 1];
		}
	}
	vector<int>A2(A);
	int cnt2 = 0;
	for (int i = n-2; i >= 0; i--) {
		if (A2[i] + A2[i + 1] > x) {
			cnt2 += A2[i] + A2[i + 1] - x;
			A2[i] = x - A2[i + 1];
		}
	}

	cout << cnt+min(cnt1,cnt2) << endl;

    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:11:19: error: 'cin' was not declared in this scope
   11 |         int n, x; cin >> n >> x;
      |                   ^~~
a.cc:7:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    6 | #include <cmath>
  +++ |+#include <iostream>
    7 | using namespace std;
a.cc:39:9: error: 'cout' was not declared in this scope
   39 |         cout << cnt+min(cnt1,cnt2) << endl;
      |         ^~~~
a.cc:39:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

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

#define rep(i,a,N) for(int i=0+a;i<N;i++)
#define lint long long int
#define SIZE 100005
#define pb push_back

using namespace std;

int main(){
	lint n,x;
	cin>>n>>x;
	lint a[SIZE],ans=0;
	for(lint i=0;i<n,i++){
		cin>>a[i];
	}
	for(lint i=0;i<n-1;i++){
		if(a[i]+a[i+1]>x){
			ans+=a[i]+a[i+1]-x;
			a[i+1]-=a[i]+a[i+1]-x;
		}
	}
	cout<<ans;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:29: error: expected ';' before ')' token
   24 |         for(lint i=0;i<n,i++){
      |                             ^
      |                             ;
Language: Java

/*
 * Code Author: Akshay Miterani
 * DA-IICT
 */
import java.io.*;
import java.math.BigInteger;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import java.util.*;

public class MainA {

	static double eps=(double)1e-6;
	static long mod=(long)1e9+7;
	static final long INF = Long.MAX_VALUE / 100;
	public static void main(String args[]) throws FileNotFoundException{
		InputReader in = new InputReader(System.in);
		OutputStream outputStream = System.out;
		PrintWriter out = new PrintWriter(outputStream);
		//----------------My Code------------------
		int n=in.nextInt();
		long k=in.nextInt();
		long a[]=new long[n];
		for(int i=0;i<n;i++){
			a[i]=in.nextLong();
		}
		long ans=0;
		for(int i=0;i<n-1;i++){
			long del=a[i+1]+a[i]-k;
			if(del<=0)
				continue;
			if(del<=a[i+1]){
				a[i+1]-=del;
			}
			else{
				a[i]-=del-a[i+1];
				a[i+1]=0;
			}
			ans+=del;
		}
		System.out.println(ans);
		out.close();
		//----------------The End------------------

	}
	static boolean isPrime(long x){
		for(int i=2;i<=Math.sqrt(x)+1;i++){
			if(x%i==0 && i!=x)
				return false;
		}
		return true;
	}
	static long modulo(long a,long b,long c) {
		long x=1;
		long y=a;
		while(b > 0){
			if(b%2 == 1){
				x=(x*y)%c;
			}
			y = (y*y)%c; // squaring the base
			b /= 2;
		}
		return  x%c;
	}
	static long gcd(long x, long y)
	{
		if(x==0)
			return y;
		if(y==0)
			return x;
		long r=0, a, b;
		a = (x > y) ? x : y; // a is greater number
		b = (x < y) ? x : y; // b is smaller number
		r = b;
		while(a % b != 0)
		{
			r = a % b;
			a = b;
			b = r;
		}
		return r;
	}
	static class Pair implements Comparable<Pair>{
		int x;
		int y;

		Pair(int xx,int yy){
			x=xx;
			y=yy;
		}
		@Override
		public int compareTo(Pair o) {
			if(Long.compare(this.x, o.x)!=0)
				return Long.compare(this.x, o.x);
			else
				return Long.compare(this.y, o.y);
		}
	}
	public static void debug(Object... o) {
		System.out.println(Arrays.deepToString(o));
	}
	static class InputReader {
		public BufferedReader reader;
		public StringTokenizer tokenizer;

		public InputReader(InputStream inputstream) {
			reader = new BufferedReader(new InputStreamReader(inputstream));
			tokenizer = null;
		}

		public String nextLine(){
			String fullLine=null;
			while (tokenizer == null || !tokenizer.hasMoreTokens()) {
				try {
					fullLine=reader.readLine();
				} catch (IOException e) {
					throw new RuntimeException(e);
				}
				return fullLine;
			}
			return fullLine;
		}
		public String next() {
			while (tokenizer == null || !tokenizer.hasMoreTokens()) {
				try {
					tokenizer = new StringTokenizer(reader.readLine());
				} catch (IOException e) {
					throw new RuntimeException(e);
				}
			}
			return tokenizer.nextToken();
		}
		public long nextLong() {
			return Long.parseLong(next());
		}
		public int nextInt() {
			return Integer.parseInt(next());
		}
	}
}     

Compiler output:
Main.java:11: error: class MainA is public, should be declared in a file named MainA.java
public class MainA {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std; 
typedef long long ll;
int n; 
ll a[200005];
ll x; 
int main() {
    ios::sync_with_stdio(0); 
    cin >> n >>x; 
    ll ans = 0;
    for(int i=0; i<n; i++) {
        cin >> a[i];
        if (i) {
            ll sum = a[i] + a[i-1]; 
            ll now = max(0LL, sum - x);
            a[i] -= now; 
            a[i] = max(a[i],0);
            ans += now;
        }
    }
    cout << ans << "\n";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:23: error: no matching function for call to 'max(ll&, int)'
   17 |             a[i] = max(a[i],0);
      |                    ~~~^~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:17:23: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   17 |             a[i] = max(a[i],0);
      |                    ~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:17:23: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   17 |             a[i] = max(a[i],0);
      |                    ~~~^~~~~~~~
Language: C++

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <climits>
#include <iostream>
#include <vector>
#include <string>
#include <sstream>
#include <algorithm>
#include <utility>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <functional>

using namespace std;
#define int long long

#define fst first
#define scd second
#define PB push_back
#define MP make_pair
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define omajinai ios::sync_with_stdio(false);cin.tie(0)
#define rep(i,x) for(int i=0;i<(int)(x);++i)
#define rep1(i,x) for(int i=1;i<=(int)(x);++i)

using ll=long long;
using ld=long double;
using vi=vector<int>;
using vvi=vector<vi>;
using pii=pair<int, int>;
using vpii=vector<pii>;

template<class T,class U>ostream&operator<<(ostream&os,const pair<T,U>p){os<<"("<<p.fst<<", "<<p.scd<<")";return os;}
template<class T>ostream&operator<<(ostream&os,const vector<T>v){rep(i,v.size()){if(i)os<<", ";os<<v[i];}return os;}
template<typename T>T&max(T&a,T&b){if(a>=b)return a;return b;}
template<typename T>T&min(T&a,T&b){if(a < b)return a;return b;}
template<typename T>bool chmax(T&a,T b){if(a < b){a=b;return true;}return false;}
template<typename T>bool chmin(T&a,T b){if(a > b){a=b;return true;}return false;}

constexpr int inf = 1e9;
constexpr ll linf = 3e18;
constexpr double eps = 1e-9;

int main()
{
    int N, x; cin >> N >> x;
    vi a(N);

    rep(i, N) cin >> a[i];

    ll ans = 0;

    for (int i = 1; i < N; ++i) {
        if (a[i] + a[i - 1] > x) {
            int v = a[i] + a[i - 1] - x;
            ans += v;
            a[i] -= v;
        }
    }

    cout << ans << endl;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

#include<bits/stdc++.h>

int main() {
    using namespace std;
    string S;
    cin >> S;
    puts((s.size() & 1) ^ (S[0] == S.back()) ? "First" : "Second");
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: 's' was not declared in this scope
    7 |     puts((s.size() & 1) ^ (S[0] == S.back()) ? "First" : "Second");
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
    string s;
    cin >> s;
    printf("%s",((s[0]==s[s.size()-1])^(n%2==0))?"Second":"First");
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:41: error: 'n' was not declared in this scope
    6 |     printf("%s",((s[0]==s[s.size()-1])^(n%2==0))?"Second":"First");
      |                                         ^
Language: C++

#include "bits/stdc++.h"
using namespace std;
int main() {
    string s; cin >> s;
    if (s.size() % 2 == 0 ^ s[0] == s[s.size() - 1])puts("Second");
    else　puts("First");
}

Compiler output:
a.cc:6:5: error: extended character 　 is not valid in an identifier
    6 |     else　puts("First");
      |     ^
a.cc: In function 'int main()':
a.cc:6:5: error: 'else\U00003000puts' was not declared in this scope
    6 |     else　puts("First");
      |     ^~~~~~~~~~
Language: C++

#include <iostream>
#include <string>
#include <utility>
#include <stack>
#include <vector>
#include <queue>
#include <algorithm>
#include <map>
#include <climits>
#include <set>
using namespace std;

int main(){
    string S;
    cin >> S;

    if(S[0] != S[S.size() - 1]){
        if(S.size() % 2 == 0){
            cout << "Second" << endl;
        } else {
            cout << "First" << endl;
        }
    } else {
        if(S.size() % 2 = 0){
            cout << "First" << endl;
        } else {
            cout << "Second" << endl;
        }
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:21: error: lvalue required as left operand of assignment
   24 |         if(S.size() % 2 = 0){
      |            ~~~~~~~~~^~~
Language: C++

#include <bits/stdc++.h>
#define REP(i,n) for(int i=0;i<n;i++)
#define REPP(i,n) for(int i=1;i<=n;i++)
const double PI = acos(-1);
const double EPS = 1e-15;
long long INF=(long long)1E17;
#define i_7 (long long)(1E9+7)
long mod(long a){
    long long c=a%i_7;
    if(c>=0)return c;
    return c+i_7;
}
using namespace std;
bool prime(int n){
  if(n==1){
    return false;
  }else if(n==2){
    return true;
  }else{
    for(int i=2;i<=sqrt(n);i++){
      if(n%i==0){
        return false;
      }
    }
    return true;
  }
}

long long gcd(long long a, long long b){
  if(a<b){
    swap(a,b);
  }
  if(a%b==0){
    return b;
  }else{
    return gcd(b,a%b);
  }
}
 
long long lcm(long long x, long long y){
  return (x/gcd(x,y))*y;
}
 
class UnionFind {
    public:
    //各頂点の親の番号を格納する。その頂点自身が親だった場合は-(その集合のサイズ)を入れる。
    vector<int> Parent;
    
    //クラスを作るときは、Parentの値を全て-1にする。
    //以下のようにすると全てバラバラの頂点として解釈できる。
    UnionFind(int N) {
        Parent = vector<int>(N, -1);
    }
    
    //Aがどのグループに属しているか調べる
    int root(int A) {
        if (Parent[A] < 0) return A;
        return Parent[A] = root(Parent[A]);
    }
    
    //自分のいるグループの頂点数を調べる
    int size(int A) {
        return -Parent[root(A)];//先祖をrootで取っておきたい。
    }
    
    //AとBをくっ付ける
    bool connect(int A, int B) {
        //AとBを直接つなぐのではなく、root(A)にroot(B)をくっつける
        A = root(A);
        B = root(B);
        if (A == B) {
            //すでにくっついてるからくっ付けない
            return false;
        }
        
        //大きい方(A)に小さいほう(B)をくっ付けたい
        //大小が逆だったらAとBをひっくり返す。
        if (size(A) < size(B)) swap(A, B);
        
        //Aのサイズを更新する
        Parent[A] += Parent[B];
        //Bの親をAに変更する
        Parent[B] = A;
        
        return true;
    }
};

int main(){
  string s;
  cin>>s;
  bool type,odd;
  bool turn_odd;
  if((int)s.size%2==1){
    odd = true;
  }else{
    odd = false;
  }
  
  if(s[0]==s[-1]){
    type = true;
  }else{
    type = false;
  }
  
  if(type){
    if(odd){
      turn_odd = false;
    }else{
      turn_odd = true;
    }
  }else{
    if(odd){
      turn_odd = true;
    }else{
      turn_odd = false;
    }
  }
  
  if(turn_odd){
    cout<<"Second"<<endl;
  }else{
    cout<<"First"<<endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:94:13: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   94 |   if((int)s.size%2==1){
      |           ~~^~~~
      |                 ()
Language: C++

#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <vector>
#include <assert.h>
#include <map>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <math.h>
#include <string>
#include <string.h>
#include <queue>
#include <complex>
#include <iomanip>
#include <stack>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;
ll mod=1e9+7;
double eps=1e-7;
ll exp(ll x,ll y){if(y<0) return 0; ll ret=1;for(;y;y>>=1,x=(x*x)%mod){if(y&1)ret=(ret*x)%mod;}return ret;}
ull pexp(ull x,ull y){if(y<0) return 0; ull ret=1; for(;y;y>>=1,x=(x*x)){if(y&1)ret=(ret*x);}return ret;}
ll gcd(ll x,ll y){if(!x||!y) return x+y; return x%y==0?y:gcd(y,x%y);}
ll lcm(ll x,ll y){return x*(y/gcd(x,y));}
ll bsum(ll u,ll b){ll ret=0;if(u<b)return u;while(u){ret+=u%b;u/=b;}return ret;}
ll prival(ll u,ll p){ll cn=0;while(u%p==0){cn++;u=u/p;}return cn;}
ll minv(ll a,ll b){return 1<a?b-minv(b%a,a)*b/a:1;}
ll extm(ll a,ll b){ll ret=0;while(a!=0){if(a%2==1){ret+=b;ret%=mod;}a>>=1;b=(2*b)%mod;}return ret;}   
ll eaphi(ll x){ll t=x,ret=x,i;for(i=2;i*i<=x;i++){if(t%i==0){ret-=ret/i;while(t%i==0) t/=i;}}if(t!=1) ret-=ret/t;return ret;}
ll eadivc(ll x){ll ret=0;ll i;for(i=1;i*i<=x;i++){if(x%i==0 && i*i!=x) ret+=2;if(x%i==0 && i*i==x) ret+=1;}return ret;}
ll eadivs(ll x){ll ret=0;ll i;for(i=1;i*i<=x;i++){if(x%i==0 && i*i!=x) ret+=i+x/i;if(x%i==0 && i*i==x) ret+=i;}return ret;}
ll ndig(ll x, ll b){ll ret=0;while(x){x/=b; ret++;}return ret;}
ll rev(ll n, ll b){ll ret=0;while(n){ret=b*ret+n%b; n/=b;}return ret;}
ll sq(ll x){ll t=(ll)sqrt(x); for(ll i=t-2 ; i<=t+2 ; i++) if(i*i==x) return abs(i); return -1;}
ll extexp(ll x,ll y){if(y<0) return 0; ll ret=1;for(;y;y>>=1,x=extm(x,x)){if(y&1)ret=extm(ret,x);}return ret;}
bool isprime(ll x){if(x<=1) return false; for(ll i=2;i*i<=x;i++){if(x%i==0){return false;}}return true;}
string s; int n, u, v;

int main(void)
{
	cin>>s; n=s.length(); u=n%2;
	if(s[0]==s[n-1]) v=1;
	if(u==v) cout<<"Second";
	else cout<<"First"
	return 0;
}

// it may be easier than you think
// it may be harder than you think
// ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);

Compiler output:
a.cc: In function 'int main()':
a.cc:45:27: error: expected ';' before 'return'
   45 |         else cout<<"First"
      |                           ^
      |                           ;
   46 |         return 0;
      |         ~~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main()
{
  string s;
  cin >> s;
  int l = s.length();
  bool f = 
  if ((s[0] == s[l-1]) ^ (l % 2 == 1)) {
    cout << "Second";
  } else {
    cout << "First";
  }
  cout << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: expected primary-expression before 'if'
   11 |   if ((s[0] == s[l-1]) ^ (l % 2 == 1)) {
      |   ^~
Language: C++

#include<iostream>
#include <string>
using namespace std;
int main(){
  string s;
  cin>>s;
  cout<<((s.size()%2==0)==(s[0]==s[s.size()-1])?"First":"Second")<<endl
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:72: error: expected ';' before '}' token
    7 |   cout<<((s.size()%2==0)==(s[0]==s[s.size()-1])?"First":"Second")<<endl
      |                                                                        ^
      |                                                                        ;
    8 | }
      | ~
Language: C++

/*input

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

#define int long long 
#define double long double
#define f first
#define s second
#define mp make_pair
#define pb push_back
#define RE(i,n) for (int i = 1; i <= n; i++)
#define RED(i,n) for (int i = n; i > 0; i--)
#define REPS(i,n) for(int i = 1; (i*i) <= n; i++)
#define REP(i,n) for (int i = 0; i < n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)
#define remax(a,b) a = max(a,b)
#define remin(a,b) a = min(a,b)
#define all(v) v.begin(),v.end()
#define pii pair<int,int>
#define mii map<int,int>
#define vi vector<int>
#define vvi vector<vi>
#define WL(t) while(t --)
#define gcd(a,b) __gcd((a),(b))
#define lcm(a,b) ((a)*(b))/gcd((a),(b))
#define print(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout << *it << " "; cout << endl;
#define debug(x) cout << x << endl;
#define debug2(x,y) cout << x << " " << y << endl;
#define debug3(x,y,z) cout << x << " " << y << " " << z << endl;
const int INF = 1e18+1;
const int MOD = 1e9+7;
const double PI = 3.14159265358979323846264338;

int fast_ex(int a,int n,int m){
  if(n == 0)return 1;
  if(n == 1)return a;
  int x = 1;
    x *= fast_ex(a,n/2,m);
    x %= m;
    x *= x;
    x %= m;
    if(n%2)x*= a;
    x %= m;
    return x;
}


void solve(){
	string a;cin >> a;
	int i = 0;
	int j = a.size();j--;
	while(i < j){
		if(a[i] != a[j]){cout << "Second";return 0;}
		i++;j--;
	}
	cout << "First";
}

signed main(){
  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  //freopen(".in","r",stdin);freopen(".out","w",stdout);
  int t = 1;//cin >> t;
  WL(t)solve();
  return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:57:58: error: return-statement with a value, in function returning 'void' [-fpermissive]
   57 |                 if(a[i] != a[j]){cout << "Second";return 0;}
      |                                                          ^