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

#include<bits/stdc++.h>
using namespace std;
 
int max(int a,int b){
	return (a>b)?a:b;
}
 
int calc(int start,int end,int dp[],int arr[]){
	int mn = INT_MAX;
  	for(int i=start;i>=end;i--){
   		mn = min(mn,(dp[i]+(arr[i]-arr[start+1])*(arr[i]-arr[start+1])+C));
    }
     return mn;
}

int main(){
	int n,C;
  	cin>>n>>C;
  	int arr[n];
  	for(int i=0;i<n;i++){
    	cin>>arr[i];
    }
  	int dp[n];
  	dp[0] = 0;
  	for(int i=1;i<n;i++){
      	dp[i] = calc(i-1,max(0,i-n),dp,arr);
    }
  	cout<<dp[n-1];
	return 0;
}

Compiler output:
a.cc: In function 'int calc(int, int, int*, int*)':
a.cc:11:80: error: 'C' was not declared in this scope
   11 |                 mn = min(mn,(dp[i]+(arr[i]-arr[start+1])*(arr[i]-arr[start+1])+C));
      |                                                                                ^
Language: C++

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

vector<int>v,dp;
int n,c;

int main(){
  cin>>n>>c;
  v.resize(n);
  for(int i = 0;i < n;i++) cin>>v[i];
  dp.resize(n);
  f(0);
  return 0;
}

int f(int i){
  if(i == n - 1) return 0;
  if(dp[i] != -1) return dp[i];
  int ans = INT_MAX;
  for(int j = i + 1;j < n;j++){
    int val = abs(v[i] - v[j]);
    ans = min(ans,val * val + c + f(j));
  }
  return dp[i] = ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:3: error: 'f' was not declared in this scope
   12 |   f(0);
      |   ^
Language: C++

#include <iostream>
#include <algorithm>
#include <utility>
#include <string>
#include <vector>
#include <iomanip>

using namespace std;

using ll = long long;
const ll INF = 1e18L + 5;

struct Line {
    ll a, b;
    ll value(ll x){
        return a * x + b;
    }
    pair<ll, ll> inter(const Line& he) const {
        ll one = he.b - b;
        ll two = a - he.a;
        if(two < 0){
            one *= -1;
            two *= -1;
        }
        return {one, two};
    }
};

ll square(ll a){
    return a * a;
}


int main() {
    cin.tie(0);
    ios_base::sync_with_stdio(0);
    
    int n;
    ll C;
    cin >> n >> C;
    vector<int> h(n);
    for(int i = 0; i < n; i++){
        cin >> h[i];
    }
    
    vector<Line> lines;
    int start = 0;
    for(int i = 0; i < n; i++){
        
        while(start <= (int) lines.size() - 2){
            Line A = lines[start];
            Line B = lines[start + 1];
            if(A.value(h[i]) >= B.value(h[i])){
                start++;
            }
            else{
                break;
            }
        }
        ll best = 0; //dp[i]
        if(i != 0){
            best = lines[start].value(h[i]) + square(h[i]) + C;
        }
        Line line{-2 * h[i], best + square(h[i])};
        
        while(start <= (int) lines.size() - 2){
            Line A = lines.end()[-2];
            Line B = lines.end()[-1];
            pair<ll, ll> one = A.inter(B);
            pair<ll, ll> two = B.inter(line);
            
            if((_int128) one.first * two.second >= (_int128) one.second * two.first){
                lines.pop_back();
            }
            else{
                break;
            }
        }
        lines.push_back(line);
        if(i == n - 1){
            cout << best;
        }
    }
    
    
}



Compiler output:
a.cc: In function 'int main()':
a.cc:72:17: error: '_int128' was not declared in this scope; did you mean '__int128'?
   72 |             if((_int128) one.first * two.second >= (_int128) one.second * two.first){
      |                 ^~~~~~~
      |                 __int128
a.cc:72:25: error: expected ')' before 'one'
   72 |             if((_int128) one.first * two.second >= (_int128) one.second * two.first){
      |               ~         ^~~~
      |                         )
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> Pii;
typedef pair<ll,ll> Pll;
#define rep(i,n) for (ll i=0;i<(n);++i)
#define rep2(i,a,b) for (ll i=(a);i<(b);++i)
#define debug(x) cout << #x << '=' << x << endl
#define all(v) (v).begin(),(v).end()
const ll MOD=1e9+7;
//const ll MOD=998244353;
const ll INF=1e9;
const ll IINF=1e18;
const double EPS=1e-8;
const double pi=acos(-1);

template<class T> inline bool chmin(T &a,T b){
    if (a>b){a=b; return true;} return false;
}
template<class T> inline bool chmax(T &a,T b){
    if (a<b){a=b; return true;} return false;
}

template<typename T,bool Mono>
struct ConvexHullTrick{
    typedef function<bool(T,T)> C;
    #define F first
    #define S second
    using Line=pair<T,T>;
    C cmp;
    deque<Line> lines;
    ConvexHullTrick(C cmp=[](T l,T r){return l>=r;})
        :cmp(cmp){}
    bool check(Line l1,Line l2,Line l3){
        if (l1<l3) swap(l1,l3);
        return (l3.S-l2.S)*(l2.F-l1.F)>=(l2.S-l1.S)*(l3.F-l2.F);
    }
    void add(T a,T b){
        Line line(a,b);
        while(lines.size()>=2&&check(*(lines.end()-2)
        ,lines.back(),line)) lines.pop_back();
        lines.emplace_back(line);
    }
    T f(int i,T x){
        return lines[i].F*x+lines[i].S;
    }
    T f(Line line,T x){
        return line.F*x+line.S;
    }
    T query(T x){
        if (Mono){
            while(lines.size()>=2
            &&cmp(f(0,x),f(1,x))) lines.pop_front();
            return f(0,x);
        } else {
            int lb=-1,ub=lines.size()-1;
            while(ub-lb>1){
                int mid=(lb+ub)>>1;
                (cmp(f(mid,x),f(mid+1,x))?lb:ub)=mid;
            }
            return f(ub,x);
        }
    }
    #undef F
    #undef S
};

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll N,C; cin >> N >> C;
    vector<ll> h(N);
    rep(i,N) cin >> h[i];
    ConvexHullTrick<ll,true> CHT;
    vector<ll> dp(N,0);
    rep(i,N){
        if (i) dp[i]=CHT.query(h[i])+h[i]*h[i]+C;
        CHT.add(-2*h[i],h[i]*h[i]+dp[i]);
    }
    cout << dp[N-1] << endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:80:29: error: expected '}' at end of input
   80 |     cout << dp[N-1] << endl;
      |                             ^
a.cc:68:11: note: to match this '{'
   68 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
 
typedef long long ll;
 
#define X first
#define Y second
#define MP make_pair
 
using namespace std;
    
const int N = 1e6 + 123;
const ll INF = 1e18;
 
int cmp(ll a, ll b, ll c, ll d){
	if(b == 0 && d == 0){
		return 0;
	}
	else if(b == 0){
		return -1;
	}
	else if(d == 0){
		return 1;
	}
	
	if(a < 0 && b < 0){
		a *= -1;
		b *= -1;
	}
	if(c < 0 && d < 0){
		c *= -1;
		d *= -1;
	}
	
	if(b < 0){
		b *= -1;
		a *= -1;
	}
 
	if(d < 0){
		c *= -1;
		d *= -1;
	}
 
	if(a / b != c / d){
		if(a / b < c / d)
			return -1;
		else
			return 1;	
	}
	else{
		return cmp(b, a % b, d, c % d);
	}
	return -1;
}
 
int n, m;
ll p[N], w[N], K[N], B[N];
pair<ll, ll> front[N];
int st[N];
 
void CHT(){       		
	int sz = 1;
	st[1] = 1;
	front[1] = MP(-INF, 1);
	
	pair<int, int> res = MP(0, 0);
	pair<ll, ll> ans = MP(-INF, -INF);
	for(int i = 2;i <= n + 1;i++){
		K[i] = -w[i - 1], B[i] = p[i - 1];
		int pos;
		if(i - st[sz] >= m){
			pos = sz;
		}
		else{
			pos = upper_bound(st + 1, st + sz + 1, i - m) - st - 1;	
		}
		                
	/*	for(int j = 1;j <= sz;j++){
			cerr << st[j] << " - ";
			//cerr << B[st[j]] << " " << K[st[j]] << " + ";
		}
		cerr << "\n";       
		*/
		int j = st[pos];
		//cerr << j << "\n";
		pair<ll, ll> cur = MP(B[j] - B[i], K[i] - K[j]);
		
		if(ans == MP(-INF, -INF)){
			if(i - 1 >= m){
				ans = cur;	
				res = MP(1, i - 1);
			}
		}
		else if(cmp(cur.X, cur.Y, ans.X, ans.Y) == 1){
			ans = cur;
		
			res = MP(j, i - 1);
		}
        
        //cerr << ans.X << " " << ans.Y << "\n";
 
		while(true){
			int j = st[sz];
			if(cmp(B[j] - B[i], K[i] - K[j], front[j].X, front[j].Y) > 0){
				sz += 1;
				front[sz] = MP(B[j] - B[i], K[i] - K[j]);
				st[sz] = i;
				break;
			}
			sz -= 1;
		}
 
	}
 
    cout << res.X << " " << res.Y;
    return; 
}
 
int main () {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
 
	cin >> n >> m;
	for(int i = 1;i <= n;i++){
		cin >> p[i];
	}
	for(int i = 1;i <= n;i++){
		cin >> w[i];
		p[i] = p[i] * w[i] + p[i - 1];
		w[i] += w[i - 1];
	}
 
	CHT();
 
	return 0;
}
     
close

Compiler output:
a.cc:139:1: error: 'close' does not name a type
  139 | close
      | ^~~~~
Language: C++

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

const int maxn = 2e5 + 5;
int h[maxn];
ll dp[maxn];
int n;
ll c;

#define until first
#define opt second
ll cost(int i, int j) { return dp[j] + ll(h[i] - h[j])*(h[i] - h[j]) + c; }
void solve() {
  dp[n] = 0;
  vector<pair<int,int>> v;
  v.emplace_back(n - 1, n);
  int ipos = 0;
  for (int i = n - 1; i >= 1; i--) {
    dp[i] = cost(i, v[ipos].opt;
    if (v[ipos].until == i) {
      ipos++;
    }
    while (v.back().until < i && cost(v.back().until, i) <= cost(v.back().until, v.back().opt)) {
      v.pop_back();
    }
    int l = 1, r = min(i - 1, v.back().until);
    while (l <= r) {
      int mid = (l + r)/2;
      if (cost(mid, i) <= cost(mid, v.back().opt)) l = mid + 1;
      else r = mid - 1;
    }
    if (l - 1 >= 1) {
      v.emplace_back(l - 1, i);
    }
  }
}

int main() {
  cin >> n >> c;
  for (int i = 1; i <= n; i++) {
    cin >> h[i];
  }
  solve();
  cout << dp[1] << '\n';
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:20:32: error: expected ')' before ';' token
   20 |     dp[i] = cost(i, v[ipos].opt;
      |                 ~              ^
Language: C++

#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <sstream>
#include <string>
#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include <climits>

using namespace std;
int N;
long long C;

long long getCost(vector<int> &h, int start, int end) {
    if(start == end) {
        return 0;
    }
    else if (start + 1 == end){
        return (h[start]-h[end])*(h[start]-h[end]) + C;
    }
    else {
        long long temp_min = (h[start]-h[end])*(h[start]-h[end]) + C;

        for (int i = start+1; i < end; ++i) {
            if( (long long) 2 * (h[end]-h[i]) * (h[i]-h[start]) > C){
                long long temp_cost = getCost(h, start,i) + getCost(h, i,end);
                if(temp_cost < temp_min){
                    temp_min = temp_cost;
                }
            }
        }
        return temp_min;
    }
}

int main(int c, char **argv) {
    long long result;

    cin >> N;
    cin >> C;

    vector<long long> h;

    int temp_h;
    for (int i = 0; i < N; ++i)
    {
        cin >> temp_h;
        h.push_back(temp_h);
    }

    if (N == 2)
    {
        result = (long long)(h[0]-h[1])*(h[0]-h[1]) + C;
        cout << result;
        return 0;
    }

    result = getCost(h,0,N-1);
    cout << result << endl;

    return 0;
}



Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:63:22: error: invalid initialization of reference of type 'std::vector<int>&' from expression of type 'std::vector<long long int>'
   63 |     result = getCost(h,0,N-1);
      |                      ^
a.cc:19:32: note: in passing argument 1 of 'long long int getCost(std::vector<int>&, int, int)'
   19 | long long getCost(vector<int> &h, int start, int end) {
      |                   ~~~~~~~~~~~~~^
Language: Java

import java.util.*;

public class Main {

  public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);
    String[] hiki = scan.nextLine().split(" ");
    long n = Long.parseLong(hiki[0]);
    long C = Long.parseLong(hiki[1]);
    long[] cost = new long[n];
    long[] dp = new long[n];
    hiki = scan.nextLine().split(" ");
    for(int i = 0;i < n;i++){
      cost[i] = Integer.parseInt(hiki[i]);
      dp[i]=Long.MAX_VALUE;
    }
    dp[0]=0;
    for(int i = 1;i < n;i++){
      for(int j = 1;j < i+1;j ++){
        dp[i] = Math.min(dp[i],
        dp[i-j]+(cost[i]-cost[i-j])*
        (cost[i]-cost[i-j])+C);
      }
    }
    System.out.println(dp[n-1]);
  }
}


Compiler output:
Main.java:10: error: incompatible types: possible lossy conversion from long to int
    long[] cost = new long[n];
                           ^
Main.java:11: error: incompatible types: possible lossy conversion from long to int
    long[] dp = new long[n];
                         ^
Main.java:25: error: incompatible types: possible lossy conversion from long to int
    System.out.println(dp[n-1]);
                           ^
3 errors
Language: C++

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

#define y1 as214
#define ii pair < int , int >
#define iii pair < int , ii >
#define iv pair < ii , ii >

#define fi first
#define se second
#define fr front()
#define pb push_back

#define FOR(i , x , n) for(int i = x ; i <= n ; ++i)
#define REP(i , n) for(int i = 0 ; i < n ; ++i)
#define FORD(i , x , n) for(int i = x ; i >= n ; --i)

#define ll long long
#define oo 1e17
#define int long long

const int N = 2e5 + 5;
int n , C;
int a[N] , dp[N];

struct line
{
    int a , b;
    void operator -= (line const &o)
    {
        a -= o.a;
        b -= o.b;
    }
};

deque < line > dq;

int CCW(line l1 , line l2 , line l3)
{
    l3 -= l2;
    l2 -= l1;
    return l2.a * l3.b - l2.b * l3.a;
}

int val(line l , int x)
{
    return l.a * x + l.b;
}

void addline(line l)
{
    while(dq.size() >= 2 && CCW(dq[dq.size() - 2] , dq[dq.size() - 1] , l) >= 0)
        dq.pop_back();
    dq.pb(l);
}

ll query(int x)
{
    int l = 0 , r = dq.size() - 1;
    int res = 1e15;
    while(l <= r)
    {
        int mid = (l + r) / 2;
        res = min(res , val(dq[mid] , x));
        if(mid != 0 && val(dq[mid - 1] , x) < val(dq[mid] , x)) r = mid - 1;
        else if(mid != dq.size() - 1 && val(dq[mid + 1] , x) < val(dq[mid] , x)) l = mid + 1;
        else break;
    }
    return res;
}

main()
{
    //freopen("Z.inp","r",stdin);
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> C;
    FOR(i , 1 , n)
        cin >> a[i];
    line x;
    x.a = -2 * a[1];
    x.b = a[1] * a[1] + dp[1] + C;
    add(x);
    FOR(i , 2 , n)
    {
        dp[i] = query(a[i]) + a[i] * a[i];
        x.a = -2 * a[i];
        x.b = a[i] * a[i] + dp[i] + C;
        addline(x);
    }
    cout << dp[n];
}


Compiler output:
a.cc:72:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   72 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:83:5: error: 'add' was not declared in this scope; did you mean 'std::filesystem::perm_options::add'?
   83 |     add(x);
      |     ^~~
      |     std::filesystem::perm_options::add
In file included from /usr/include/c++/14/filesystem:51,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:200,
                 from a.cc:1:
/usr/include/c++/14/bits/fs_fwd.h:219:7: note: 'std::filesystem::perm_options::add' declared here
  219 |       add       = 0x2,
      |       ^~~
Language: C++

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

#define y1 as214
#define ii pair < int , int >
#define iii pair < int , ii >
#define iv pair < ii , ii >

#define fi first
#define se second
#define fr front()
#define pb push_back

#define FOR(i , x , n) for(int i = x ; i <= n ; ++i)
#define REP(i , n) for(int i = 0 ; i < n ; ++i)
#define FORD(i , x , n) for(int i = x ; i >= n ; --i)

#define ll long long
#define oo 1e17
#define int long long

const int N = 2e5 + 5;
int n , C;
int a[N] , dp[N];

struct line
{
    int a , b;
    void operator -= (line const &o)
    {
        a -= o.a;
        b -= o.b;
    }
};

deque < line > dq;

int CCW(line l1 , line l2 , line l3)
{
    l3 -= l2;
    l2 -= l1;
    return l2.a * l3.b - l2.b * l3.a;
}

int val(line l , int x)
{
    return l.a * x + l.b;
}

void addline(line l)
{
    while(dq.size() >= 2 && CCW(dq[dq.size() - 2] , dq[dq.size() - 1] , l) >= 0)
        dq.pop_back();
    dq.pb(l);
}

ll query(int x)
{
    int l = 0 , r = dq.size() - 1;
    int res = 1e15;
    while(l <= r)
    {
        int mid = (l + r) / 2;
        res = min(res , val(dq[mid] , x));
        if(mid != 0 && val(dq[mid - 1] , x) < val(dq[mid] , x)) r = mid - 1;
        else if(mid != dq.size() - 1 && val(dq[mid + 1] , x) < val(dq[mid] , x)) l = mid + 1;
        else break;
    }
    return res;
}

main()
{
    //freopen("Z.inp","r",stdin);
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> C;
    FOR(i , 1 , n)
        cin >> a[i];
    line x;
    x.a = -2 * a[1];
    x.b = a[1] * a[1] + dp[1] + C;
    add(x);
    FOR(i , 2 , n)
    {
        dp[i] = query(a[i]) + a[i] * a[i];
        x.a = -2 * a[i];
        x.b = a[i] * a[i] + dp[i] + C;
        add(x);
    }
    cout << dp[n];
}


Compiler output:
a.cc:72:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   72 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:83:5: error: 'add' was not declared in this scope; did you mean 'std::filesystem::perm_options::add'?
   83 |     add(x);
      |     ^~~
      |     std::filesystem::perm_options::add
In file included from /usr/include/c++/14/filesystem:51,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:200,
                 from a.cc:1:
/usr/include/c++/14/bits/fs_fwd.h:219:7: note: 'std::filesystem::perm_options::add' declared here
  219 |       add       = 0x2,
      |       ^~~
Language: C++

#include<iostream>
#include<vector>
#include<climits>
using namespace std;
int main() {
  int n;cin>>n;
  long long c;cin>>c;
  vector<int> stones(n,0);
  vector<long long> dp(1,0);
  vector<int> steps(n)
  for(int& i:stones)cin>>i;
  for(int i=1;i<n;i++) {
  	long long minVal=1e12;
    for(int j=1;j<=min(n,i);j++) {
    	long long tmp=dp[i-j]+(long long)(stones[i]-stones[i-j])*(stones[i]-stones[i-j])+c;
      	minVal=tmp<minVal?tmp:minVal;
    }
    dp.push_back(minVal);
  }
  //for(int &i:dp)cout<<i<<" ";
  cout<<dp[n-1]<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: expected ',' or ';' before 'for'
   11 |   for(int& i:stones)cin>>i;
      |   ^~~
Language: C++

#include<iostream>
#include<vector>
#include<climits>
using namespace std;
int main() {
  int n;cin>>n;
  long long c;cin>>c;
  vector<int> stones(n,0);
  vector<long long> dp(1,0);
  vector<int> steps(n)
  for(int& i:stones)cin>>i;
  for(int i=1;i<n;i++) {
  	long long minVal=1e12;
    for(int j=1;j<=min(n,i);j++) {
    	long long tmp=dp[i-j]+long long(stones[i]-stones[i-j])*long long(stones[i]-stones[i-j])+c;
      	minVal=tmp<minVal?tmp:minVal;
    }
    dp.push_back(minVal);
  }
  //for(int &i:dp)cout<<i<<" ";
  cout<<dp[n-1]<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: expected ',' or ';' before 'for'
   11 |   for(int& i:stones)cin>>i;
      |   ^~~
a.cc:15:31: error: expected primary-expression before 'long'
   15 |         long long tmp=dp[i-j]+long long(stones[i]-stones[i-j])*long long(stones[i]-stones[i-j])+c;
      |                               ^~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define fr first
#define sc second
#define ii pair<int,int>
#define mp make_pair
using namespace std;
const long long INF = 1e18;
bool Q;
struct Line {
    mutable ll k, m, p;
    bool operator<(const Line& o) const {
        return Q ? p < o.p : k < o.k;
    }
};
struct LineContainer : multiset<Line> {
    const ll inf = LLONG_MAX;
    ll div(ll a, ll b){
        return a / b - ((a ^ b) < 0 && a % b);
    }
    bool isect(iterator x, iterator y) {
        if (y == end()) { x->p = inf; return false; }
        if (x->k == y->k) x->p = x->m > y->m ? inf : -inf;
        else x->p = div(y->m - x->m, x->k - y->k);
        return x->p >= y->p;
    }
    void add(ll k, ll m) {
        auto z = insert({k, m, 0}), y = z++, x = y;
        while (isect(y, z)) z = erase(z);
        if (x != begin() && isect(--x, y)) isect(x, y = erase(y));
        while ((y = x) != begin() && (--x)->p >= y->p)
            isect(x, erase(y));
    }
    ll query(ll x) {
        assert(!empty());
        Q = 1; auto l = *lower_bound({-1e9,-1e9,x}); Q = 0;
        return l.k * x + l.m;
    }
};
ll n,c;
ll h[300005];
ll h2[300005];
ll dp[300005];
int main()
{
    cin>>n>>c;
    for(int i=1;i<=n;i++)
        {
            scanf("%I64d",&h[i]);
            h2[i] = h[i]*h[i];
        }
    /// (h[i]-h[j])^2 + C
    /// h[i]^2 - 2 * h[i] * h[j] + h[j]^2 + c
    /// Z = c + h[i]^2;
    /// F = -2 * h[i] * h[j] + h[j]^2
    dp[1] = 0;
    LineContainer T;
    ll m = -2*h[1];
    ll C_ = h2[1];

    /// To min mult by -1
    T.add(-m,-C_);
    for(int i=2;i<=n;i++)
    {
        /// -2 * h[i] * h[j]
        ll q = T.query(-h[i]);
        /// value is negative here
        ll Z = h2[i] + c;
        dp[i] =Z+q;
        ll M = -2*dp[i];
        ll C_ = dp[i]+h2[i];
        T.add(-M,-C_);
        if(i == n)
        {
            cout<<dp[n]<<endl;
        }
    }
}


Compiler output:
a.cc: In member function 'long long int LineContainer::query(long long int)':
a.cc:36:39: error: narrowing conversion of '-1.0e+9' from 'double' to 'long long int' [-Wnarrowing]
   36 |         Q = 1; auto l = *lower_bound({-1e9,-1e9,x}); Q = 0;
      |                                       ^~~~
Language: C++

#include<cstdio>
#include<iostream>
#include<math.h>
#include<cmath>
#include<set>
#include<limits.h>
#include<climits>
#define int long long
using namespace std;
int n,k;
int a[200005];
int f[1000005];
set<int> s;
void xuli(int x)
{
    int l=0,r=s.size()-1;
    while(l<r)
    {
        int32_t mid1=l+(r-l)/3;
        int32_t mid2=r-(r-l)/3;
     //   cerr<<l<<" "<<r<<" "<<mid1<<" "<<mid2<<endl;
//        cerr<<s[mid];
        set<int>::iterator it = next(s.begin(),mid1);
        int mas=*it;
        int mas1=*next(s.begin(),mid2);
        if(mas1>x) {r=mid2-1;}
        else if(f[mas]+(x-mas)*(x-mas)+k<=f[mas1]+(x-mas1)*(x-mas1)+k) {r=mid2-1;}
        else {l=mid1+1;}
    }
    int tt=*(next(s.begin(),l));
    f[x]=f[tt]+(x-tt)*(x-tt)+k;
    s.insert(x);
}
int32_t main()
{
    memset(f,0x3ll,sizeof(f));
    cin>>n>>k;
    for(int i=0;i<n;i++)
        cin>>a[i];
    //sint* it = a+n;
    f[a[0]]=0;
    s.insert(a[0]);
    for(int i=0;i<n;i++)
    {
       // cerr<<i<<endl;
        if((a[i]>a[0]&&a[i]<=a[n-1])||(a[i]<a[0]&&a[i]>=a[n-1]))
        {
           // cerr<<a[i]<<endl;
            xuli(a[i]);
        }
    }
    //cerr<<f[10];
    cout<<f[a[n-1]];
}


Compiler output:
a.cc: In function 'int32_t main()':
a.cc:36:5: error: 'memset' was not declared in this scope
   36 |     memset(f,0x3ll,sizeof(f));
      |     ^~~~~~
a.cc:8:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    7 | #include<climits>
  +++ |+#include <cstring>
    8 | #define int long long
Language: C++

#include<cstdio>
#include<iostream>
#include<math.h>
#include<cmath>
#include<set>
#include<mem.h>
#include<limits.h>
#include<climits>
#define int long long
using namespace std;
int n,k;
int a[200005];
int f[1000005];
set<int> s;
void xuli(int x)
{
    int l=0,r=s.size()-1;
    while(l<r)
    {
        int32_t mid1=l+(r-l)/3;
        int32_t mid2=r-(r-l)/3;
     //   cerr<<l<<" "<<r<<" "<<mid1<<" "<<mid2<<endl;
//        cerr<<s[mid];
        set<int>::iterator it = next(s.begin(),mid1);
        int mas=*it;
        int mas1=*next(s.begin(),mid2);
        if(mas1>x) {r=mid2-1;}
        else if(f[mas]+(x-mas)*(x-mas)+k<=f[mas1]+(x-mas1)*(x-mas1)+k) {r=mid2-1;}
        else {l=mid1+1;}
    }
    int tt=*(next(s.begin(),l));
    f[x]=f[tt]+(x-tt)*(x-tt)+k;
    s.insert(x);
}
int32_t main()
{
    memset(f,0x3ll,sizeof(f));
    cin>>n>>k;
    for(int i=0;i<n;i++)
        cin>>a[i];
    //sint* it = a+n;
    f[a[0]]=0;
    s.insert(a[0]);
    for(int i=0;i<n;i++)
    {
       // cerr<<i<<endl;
        if((a[i]>a[0]&&a[i]<=a[n-1])||(a[i]<a[0]&&a[i]>=a[n-1]))
        {
           // cerr<<a[i]<<endl;
            xuli(a[i]);
        }
    }
    //cerr<<f[10];
    cout<<f[a[n-1]];
}


Compiler output:
a.cc:6:9: fatal error: mem.h: No such file or directory
    6 | #include<mem.h>
      |         ^~~~~~~
compilation terminated.
Language: C++

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

using namespace std;

template <typename T, const T id>
class convex_hull_trick {
    struct line {
        T a, b;
        line(T a_ = 0, T b_ = 0) : a(a_), b(b_) {}
        T get(T x) { return a * x + b; }
    };
    struct node {
        line l;
        node *lch, *rch;
        node(line l_) : l(l_), lch(nullptr), rch(nullptr) {}
        ~node() {
            if (lch) delete lch;
            if (rch) delete rch;
        }
    };

private:
    const int n;
    const vector<T> pos;
    node *root;

public:
    convex_hull_trick(const vector<T>& pos_) : n(pos_.size()), pos(pos_), root(nullptr) {}
    ~convex_hull_trick() {
        if (root) delete root;
    }
    void insert(T a, T b) {
        line l(a, b);
        root = modify(root, 0, n - 1, l);
    }
    T get(T x) const {
        int t = lower_bound(pos.begin(), pos.end(), x) - pos.begin();
        assert(t < n && pos[t] == x);
        return sub(root, 0, n - 1, t);
    }

private:
    node* modify(node *p, int lb, int ub, line& l) {
        if (!p) return new node(l);
        if (p->l.get(pos[lb]) >= l.get(pos[lb]) && p->l.get(pos[ub]) >= l.get(pos[ub])) return p;
        if (p->l.get(pos[lb]) <= l.get(pos[lb]) && p->l.get(pos[ub]) <= l.get(pos[ub])) {
            p->l = l;
            return p;
        }
        int c = (lb + ub) / 2;
        if (p->l.get(pos[c]) < l.get(pos[c])) swap(p->l, l);
        if (p->l.get(pos[lb]) <= l.get(pos[lb]))
            p->lch = modify(p->lch, lb, c, l);
        else
            p->rch = modify(p->rch, c + 1, ub, l);
        return p;
    }
    T sub(node *p, int lb, int ub, int t) const {
        if (!p) return id;
        if (ub - lb == 0) return p->l.get(pos[t]);
        int c = (lb + ub) / 2;
        if (t <= c) return max(p->l.get(pos[t]), sub(p->lch, lb, c, t));
        return max(p->l.get(pos[t]), sub(p->rch, c + 1, ub, t));
    }
};

using ll = long long;

const ll inf = 1LL << 60;

int main() {
    int n;
    ll c;
    
    cin >> n >> c;
    
    vector<ll> h(n);
    
    for (int i = 0; i < n; i++) {
        cin >> h[i];
    }
    
    vector<ll> dp(n, inf);
    
    dp[0] = 0;
    
    convex_hull_trick<ll, -inf> cht(h); 
    
    for (int i = 0; i < n; i++) {
        if (i != 0) {
            dp[i] = -cht.get(h[i]) + h[i] * h[i] + c;
        }
        
        cht.insert(-(-2 * h[i]), -(dp[i] + h[i] * h[i]));
    }
    
    cout << dp[n - 1] << endl;
}

Compiler output:
a.cc: In instantiation of 'T convex_hull_trick<T, id>::get(T) const [with T = long long int; T id = -1152921504606846976]':
a.cc:94:29:   required from here
   94 |             dp[i] = -cht.get(h[i]) + h[i] * h[i] + c;
      |                      ~~~~~~~^~~~~~
a.cc:41:15: error: 'assert' was not declared in this scope
   41 |         assert(t < n && pos[t] == x);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~
a.cc:4:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    3 | #include <algorithm>
  +++ |+#include <cassert>
    4 | #include <string>
Language: C++

#include <cstdio>
#include <cstdint>
#include <algorithm>
#include <string>
#include <utility>
#include <vector>
#include <map>
#include <type_traits>
#include <limits>
#include <tuple>

template <class Tp>
class lines {
  // based on Li Chao tree
  // std::map<Tp, size_t> enc;
  std::vector<Tp> dec;
  std::vector<std::pair<Tp, Tp>> c;
  size_t m = 1;
  Tp inf = std::numeric_limits<Tp>::max() / 8;

private:
  void init_resize(size_t n) {
    while (m < n+n) m <<= 1;
    c.assign(m, {0, inf});
  }

  void inspect() const {
    for (size_t i = 1; i < m; ++i) {
      std::string s = (c[i].first < inf? std::to_string(c[i].first) : "inf");
      std::string t = (c[i].second < inf? std::to_string(c[i].second) : "inf");
      fprintf(stderr, "(%s, %s)%c", s.c_str(), t.c_str(), (i&(i+1))? ' ':'\n');
    }
  }

public:
  template <class ForwardIt>
  lines(ForwardIt first, ForwardIt last): dec(first, last) {
    static_assert(std::is_same<typename ForwardIt::value_type, Tp>::value, "Type mismatch");
    std::sort(dec.begin(), dec.end());
    size_t n = dec.size();
    init_resize(n);
    // while (dec.size() < m/2) dec.push_back(dec.back()+1);
    dec.resize(m/2, dec.back()+1);
    // for (size_t i = 0; i < m/2; ++i) enc.emplace(dec[i], i);
  }

  void append(Tp a, Tp b) {
    size_t l = 0;
    size_t j = 1;
    size_t h = 1;
    size_t w = m/2;
    while (w > 0 && l+w-1 < dec.size()) {
      Tp xl = dec[l];
      Tp xm = dec[l+w/2];
      Tp xr = dec[l+w-1];

      Tp a0, b0;
      std::tie(a0, b0) = c[j];

      Tp yl0 = a0*xl + b0;
      Tp yr0 = a0*xr + b0;

      Tp yl = a*xl + b;
      Tp yr = a*xr + b;

      if (yl0 <= yl && yr0 <= yr) break;
      if (yl0 >= yl && yr0 >= yr) {
        c[j] = {a, b};
        break;
      }

      h <<= 1;
      w >>= 1;
      Tp ym0 = a0*xm + b0;
      Tp ym = a*xm + b;

      if (ym0 >= ym) {
        c[j] = {a, b};
        a = a0;
        b = b0;
        j <<= 1;
        if (yr0 < yr) {
          j |= 1;
          l += w;
        }
      } else {
        j <<= 1;
        if (yr0 >= yr) {
          j |= 1;
          l += w;
        }
      }
    }
  }

  Tp min_at(size_t i) const {
    i += m/2;
    Tp y = inf;
    while (i > 0) {
      Tp a, b;
      std::tie(a, b) = c[i];
      y = std::min(y, a*x+b);
      i >>= 1;
    }
    return y;
  }
};

int main() {
  size_t N;
  intmax_t C;
  scanf("%zu %jd", &N, &C);

  std::vector<intmax_t> h(N);
  for (auto& hi: h) scanf("%jd", &hi);

  lines<intmax_t> cht(h.begin(), h.end());

  std::vector<intmax_t> dp(N);
  for (size_t i = 0; i+1 < N; ++i) {
    cht.append(-2*h[i], h[i]*h[i]+dp[i]);
    dp[i+1] = cht.min_at(i+1) + h[i+1]*h[i+1] + C;
  }

  printf("%jd\n", dp[N-1]);
}


Compiler output:
a.cc: In member function 'Tp lines<Tp>::min_at(size_t) const':
a.cc:102:25: error: 'x' was not declared in this scope
  102 |       y = std::min(y, a*x+b);
      |                         ^
Language: C++

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

const long long infl = 1LL << 60;

long long dp[100005];//dp[i]は足場iへのコストの最小値

int main()
{
    int N;
    long long C;
    long long h[100005];
    cin >> N >> C;
    for(int i = 1; i <= N; i++) cin >> h[i];
    dp[0] = 0;
    dp[1] = 0;
    for(int i = 2; i <= N; i++) dp[i] = infl;
    for(int i = 1; i < N; i++)
    {
        for(int k = 1;k <= N && i + k <= N; k++)
        {
          dp[i + k] = min(dp[i + k],dp[i] + z((h[i] - h[i + k])*(h[i] - h[i + k])) + C); 
        }
    }
    cout << dp[N];
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:23:45: error: 'z' was not declared in this scope
   23 |           dp[i + k] = min(dp[i + k],dp[i] + z((h[i] - h[i + k])*(h[i] - h[i + k])) + C);
      |                                             ^
Language: C++

#include <iostream>
#include <vector>

using namespace std;
using ll = long long;

template <class T>
class ConvexHullTrick {
    struct Line {
        T a, b;
        Line(T a, T b) : a(a), b(b){};
        T operator()(T x) const { return a * x + b; }
    };

public:
    vector<Line> lines;
    bool isMonotonicX;

    explicit ConvexHullTrick(bool xflag = false) : isMonotonicX(xflag){};

    // l2が必要か否か
    bool isneeded(Line l1, Line l2, Line l3) const {
        if (l1.a < l3.a) swap(l1, l3);  // 追加クエリが単調増加の場合に対応
        return (l3.b - l2.b) * (l2.a - l1.a) < (l3.a - l2.a) * (l2.b - l1.b);
    }

    // 直線y = ax + bを追加  aは単調であることを要求
    void add(T a, T b) {
        Line line(a, b);
        // 後ろから不要な直線を抜き続ける
        while (lines.size() >= 2 &&
               !isneeded(*(lines.end() - 2), lines.back(), line)) lines.pop_back();
        lines.push_back(line);
    }

    // xにおける最小値を返す
    T operator()(T x) const {
        assert(!lines.empty());

        if (isMonotonicX) {
            static int itr = 0;
            while (itr < lines.size() - 1 && lines[itr](x) > lines[itr + 1](x)) ++itr;
            return lines[itr](x);
        } else {
            // l[ok - 1](x) > l[ok](x)
            int ok = 0, ng = lines.size();
            while (ng - ok > 1) {
                int mid = (ok + ng) / 2;
                if (lines[mid - 1](x) > lines[mid](x)) {
                    ok = mid;
                } else {
                    ng = mid;
                }
            }
            return lines[ok](x);
        }
    }
};

int main() {
    int N;
    ll C;
    cin >> N >> C;
    vector<ll> H(N);
    for (auto& h : H) cin >> h;

    vector<ll> dp(N, 0);
    ConvexHullTrick<ll> cht(true);
    cht.add(-2 * H[0], H[0] * H[0] + dp[0]);

    for (int i = 1; i < N; ++i) {
        dp[i] = cht(H[i]) + H[i] * H[i] + C;
        cht.add(-2 * H[i], H[i] * H[i] + dp[i]);
    }

    cout << dp[N - 1] << endl;
    return 0;
}


Compiler output:
a.cc: In instantiation of 'T ConvexHullTrick<T>::operator()(T) const [with T = long long int]':
a.cc:72:20:   required from here
   72 |         dp[i] = cht(H[i]) + H[i] * H[i] + C;
      |                 ~~~^~~~~~
a.cc:38:15: error: 'assert' was not declared in this scope
   38 |         assert(!lines.empty());
      |         ~~~~~~^~~~~~~~~~~~~~~~
a.cc:3:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    2 | #include <vector>
  +++ |+#include <cassert>
    3 |
Language: C++

#include <iostream>
#include <vector>

using namespace std;
using ll = long long;

template <class T>
class ConvexHullTrick {
    struct Line {
        T a, b;
        Line(T a, T b) : a(a), b(b){};
        T operator()(T x) const { return a * x + b; }
    };

public:
    vector<Line> lines;
    bool isMonotonicX;

    explicit ConvexHullTrick(bool xflag = false) : isMonotonicX(xflag){};

    // l2が必要か否か
    bool isneeded(Line l1, Line l2, Line l3) const {
        if (l1.a < l3.a) swap(l1, l3);  // 追加クエリが単調増加の場合に対応
        return (l3.b - l2.b) * (l2.a - l1.a) < (l3.a - l2.a) * (l2.b - l1.b);
    }

    // 直線y = ax + bを追加  aは単調であることを要求
    void add(T a, T b) {
        Line line(a, b);
        // 後ろから不要な直線を抜き続ける
        while (lines.size() >= 2 &&
               !isneeded(*(lines.end() - 2), lines.back(), line)) lines.pop_back();
        lines.push_back(line);
    }

    // xにおける最小値を返す
    T operator()(T x) const {
        assert(!lines.empty());

        if (isMonotonicX) {
            static int itr = 0;
            while (itr < lines.size() - 1 && lines[itr](x) > lines[itr + 1](x)) ++itr;
            return lines[itr](x);
        } else {
            // l[ok - 1](x) > l[ok](x)
            int ok = 0, ng = lines.size();
            while (ng - ok > 1) {
                int mid = (ok + ng) / 2;
                if (lines[mid - 1](x) > lines[mid](x)) {
                    ok = mid;
                } else {
                    ng = mid;
                }
            }
            return lines[ok](x);
        }
    }
};

template <class T>
ostream& operator<<(ostream& os, const ConvexHullTrick<T>& cht) {
    os << "{";
    for (const auto& l : cht.lines) os << "(" << l.a << "," << l.b << "),";
    return os << "}";
}

int main() {
    int N;
    ll C;
    cin >> N >> C;
    vector<ll> H(N);
    for (auto& h : H) cin >> h;

    vector<ll> dp(N, 0);
    ConvexHullTrick<ll> cht(true);
    cht.add(-2 * H[0], H[0] * H[0] + dp[0]);

    for (int i = 1; i < N; ++i) {
        dp[i] = cht(H[i]) + H[i] * H[i] + C;
        cht.add(-2 * H[i], H[i] * H[i] + dp[i]);
    }

    cout << dp[N - 1] << endl;
    return 0;
}


Compiler output:
a.cc: In instantiation of 'T ConvexHullTrick<T>::operator()(T) const [with T = long long int]':
a.cc:79:20:   required from here
   79 |         dp[i] = cht(H[i]) + H[i] * H[i] + C;
      |                 ~~~^~~~~~
a.cc:38:15: error: 'assert' was not declared in this scope
   38 |         assert(!lines.empty());
      |         ~~~~~~^~~~~~~~~~~~~~~~
a.cc:3:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    2 | #include <vector>
  +++ |+#include <cassert>
    3 |
Language: C++

#include <bits/stdc++.h>
#define MOD 1000000007
#define pb push_back
#define ll long long
using namespace std;
const int nmax=212345;

ll h[nmax],cnt[nmax],s[nmax];
pair<double,ll> df[nmax];

inline ll ksm(ll a)
{
    ll b,res=0;
    b=a;
    while(b!=0)
    {
        if(b&1)
            res+=a;
        a<<=1;
        b>>=1;
    }
    return res;
}

int main()
{
    ll n,c,lmax=0,rmax=0,pos=0;
    double df2;

    tn=200000;
    srand(time(0));
    tc=rand()%1000000000000+1;
    for(ll i=0; i<tn; ++i){
        th.pb(rand()%1000000+1);
    }
    sort(th.begin(),th.end());
    th.erase(unique(th.begin(),th.end()),th.end());

    n=th.size();
    c=tc;
    for(ll i=0; i<n; ++i)
    {
        h[i]=th[i];
    }

//    scanf("%lld %lld",&n,&c);
//    for(ll i=0; i<n; ++i)
//        scanf("%lld",&h[i]);
    ll i=1;
    s[0]=ksm(h[0]);
    while(i<n)
    {
        ll l=lmax;
        ll r=rmax;
        pos=(l+r)/2;
        while(l<=r)
        {
            if(h[df[pos].second]>h[i])
            {
                r=pos-1;
            }
            else if(df[pos].first<h[i])
            {
                l=pos+1;
            }
            else
            {
                r=pos-1;
            }
            pos=(l+r)/2;
        }
        lmax=pos;
        cnt[i]=cnt[df[pos].second]+ksm(h[i]-h[df[pos].second])+c;
        s[i]=cnt[i]+ksm(h[i]);
        if(pos==rmax)
        {
            ++rmax;
            df[rmax]=make_pair((double)(s[i]-s[df[pos].second])/(h[i]-h[df[pos].second])/2,i);
        }
        else
        {
            l=pos;
            r=rmax+1;
            pos=(l+r)/2;
            while(l<=r && pos!=rmax+1)
            {
                df2=(double)(s[i]-s[df[pos].second])/(h[i]-h[df[pos].second])/2;
                if(df[pos].first<df2)
                {
                    l=pos+1;
                }
                else
                {
                    r=pos-1;
                }
                pos=(l+r)/2;
            }
            if(l>r)
                ++pos;
            if(pos>rmax)
            {
                df2=(double)(s[i]-s[df[rmax].second])/(h[i]-h[df[rmax].second])/2;
                df[pos]=make_pair(df2,i);
                ++rmax;
            }
            else if(df2<=df[pos].first)
            {
                df[pos]=make_pair(df2,i);
                rmax=pos;
            }
        }
        ++i;
    }
    printf("%lld\n",cnt[n-1]);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:5: error: 'tn' was not declared in this scope; did you mean 'n'?
   30 |     tn=200000;
      |     ^~
      |     n
a.cc:32:5: error: 'tc' was not declared in this scope; did you mean 'c'?
   32 |     tc=rand()%1000000000000+1;
      |     ^~
      |     c
a.cc:34:9: error: 'th' was not declared in this scope; did you mean 'tm'?
   34 |         th.pb(rand()%1000000+1);
      |         ^~
      |         tm
a.cc:36:10: error: 'th' was not declared in this scope; did you mean 'tm'?
   36 |     sort(th.begin(),th.end());
      |          ^~
      |          tm
Language: C++

#include <bits/stdc++.h>
#define MOD 1000000007
#define pb push_back
#define ll long long
using namespace std;
const int nmax=212345;

ll h[nmax],cnt[nmax],s[nmax];
pair<double,ll> df[nmax];

inline ll ksm(ll a)
{
    ll b,res=0;
    b=a;
    while(b!=0)
    {
        if(b&1)
            res+=a;
        a<<=1;
        b>>=1;
    }
    return res;
}

int main()
{
    ll n,c,l,r,rmax=0,pos=0;
    double df2;

    cin>>n>>c;
    for(ll i=0; i<n; ++i)
       cin>>h[i];
    ll i=1;
    s[0]=ksm(h[0]);
    while(i<n)
    {
        l=0;
        r=rmax;
        pos=(l+r)/2;
        while(l<=r)
        {
            if(h[df[pos].second]>h[i])
            {
                r=pos-1;
            }
            else if(df[pos].first<h[i])
            {
                l=pos+1;
            }
            else
            {
                r=pos-1;
            }
            pos=(l+r)/2;
        }
        cnt[i]=cnt[df[pos].second]+ksm(h[i]-h[df[pos].second])+c;
        s[i]=cnt[i]+ksm(h[i]);
        if(pos==rmax)
        {
            ++rmax;
            df[rmax]=make_pair((double)(s[i]-s[df[pos].second])/(h[i]-h[df[pos].second])/2,i);
        }
        else
        {
            l=pos;
            r=rmax+1;
            pos=(l+r)/2;
            while(l<=r && pos!=rmax+1)
            {
                df2=(double)(s[i]-s[df[pos].second])/(h[i]-h[df[pos].second])/2;
                if(df[pos].first<df2)
                {
                    l=pos+1;
                }
                else
                {
                    r=pos-1;
                }
                pos=(l+r)/2;
            }
            if(l>r)
                ++pos;
            if(pos>rmax)
            {
                df2=(double)(s[i]-s[df[rmax].second])/(h[i]-h[df[rmax].second])/2;
                df[pos]=make_pair(df2,i);
                ++rmax;
            }
            else if(df2<=df[pos].first)
            {
                df[pos]=make_pair(df2,i);
                rmax=pos;
            }
        }
        ++i;
    }
   cout<<cnt[n-1])<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:97:18: error: expected ';' before ')' token
   97 |    cout<<cnt[n-1])<<endl;
      |                  ^
      |                  ;
Language: C++

#include<bits/stdc++.h>
using namespace std; 
int main(){ 
  ios_base::sync_with_stdio(false); 
  cin.tie(NULL); 
  cout.tie(NULL); 
  int n,k;
  cin>>n>>k;
  vector<int> height(n);
  for(int i=0;i<n;i++){
    cin>>height[i];}
  vector<int> answer(n,INT_MAX);
  answer[0]=0;
  if(n>1){ 
    for (int i=1;i<n;i++){
      for(int j=1;j<=i;j++){
        if((i-j)>=0) {
          if(j==1)
            answer[i]=(height[i-j]-height[i])(height[i-j]-height[i])+k+answer[i-j];
        else
          answer[i]=min((height[i-j]-height[i])(height[i-j]-height[i])+k+answer[i-j],answer[i]);
      }} } }
  cout<<answer[n-1]; 
  return 0; } 



Compiler output:
a.cc: In function 'int main()':
a.cc:19:46: error: expression cannot be used as a function
   19 |             answer[i]=(height[i-j]-height[i])(height[i-j]-height[i])+k+answer[i-j];
      |                       ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
a.cc:21:48: error: expression cannot be used as a function
   21 |           answer[i]=min((height[i-j]-height[i])(height[i-j]-height[i])+k+answer[i-j],answer[i]);
      |                         ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
 
#define X first
#define Y second
 
using namespace std;
 
typedef long long ll;
typedef pair<ll, ll> pii;
 
const int N = 2e5 + 50;
 
int n;
ll c;
ll h[N];
ll dp[N];
vector<int> env;
 
ll _ccw(pii a, pii b, pii c) {
  return a.X * (b.Y - c.Y) + b.X * (c.Y - a.Y) + c.X * (a.Y - b.Y);
}
 
int ccw(pii a, pii b, pii c) {
  ll get = _ccw(a, b, c);
 
  if(get > 0)
    return 1;
  else if (get < 0)
    return -1;
  return get;
}
 
pii conv(int i) {
  return {-2 * h[i], h[i] * h[i] + dp[i]};
}
 
void insert(int i) {
  if(env.empty()) {
    env.push_back(i);
    return;
  }
 
  int top = env.back();
  env.pop_back();
 
  while(!env.empty() && ccw(conv(env.back()), conv(top), conv(i)) >= 0)
    top = env.back(), env.pop_back();
 
  env.push_back(top);
  env.push_back(i);
}
 
ll comp(int i, ll val) {
  return -2 * h[i] * val + h[i] * h[i] + dp[i];
}
 
int query(ll val) {
  int lo = 0, hi = env.size() - 1, mid;
 
  while(lo < hi) {
    mid = (lo + hi) >> 1;
 
    // printf("mid %d  lohi %d %d  val %d\n", mid, lo, hi, val);
 
    if(comp(mid, val) > comp(mid + 1, val)
      lo = mid + 1;
    else
      hi = mid;
  }
 
  return lo;
}
 
void load() {
  scanf("%d%lld",  &n, &c);
 
  for(int i = 0; i < n; ++i)
    scanf("%lld", h + i);
}
 
void solve () {
  dp[0] = 0;
 
  insert(0);
 
  for(int i = 1; i < n; ++i) {
    int j = query(h[i]);
    // printf("j %d\n", j);
    dp[i] = abs(h[j] - h[i]) * abs(h[j] - h[i]) + c + dp[j];
 
    insert(i);
  }
 
  printf("%lld\n", dp[n - 1]);
}
 
int main() {
  load();
  solve();
 
  return 0;
}

Compiler output:
a.cc: In function 'int query(ll)':
a.cc:65:43: error: expected ';' before 'lo'
   65 |     if(comp(mid, val) > comp(mid + 1, val)
      |                                           ^
      |                                           ;
   66 |       lo = mid + 1;
      |       ~~                                   
a.cc:67:5: error: expected primary-expression before 'else'
   67 |     else
      |     ^~~~
a.cc:66:20: error: expected ')' before 'else'
   66 |       lo = mid + 1;
      |                    ^
      |                    )
   67 |     else
      |     ~~~~            
a.cc:65:7: note: to match this '('
   65 |     if(comp(mid, val) > comp(mid + 1, val)
      |       ^
Language: C++

#include <bits/stdc++.h>

#define X first
#define Y second

using namespace std;

typedef long long ll;
typedef pair<ll, ll> pii;

const int N = 2e5 + 50;

int n;
ll c;
ll h[N];
ll dp[N];
vector<int> env;

ll _ccw(pii a, pii b, pii c) {
	return a.X * (b.Y - c.Y) + b.X * (c.Y - a.Y) + c.X * (a.Y - b.Y);
}

int ccw(pii a, pii b, pii c) {
	ll get = _ccw(a, b, c);

	if(get > 0)
		return 1;
	else if (get < 0)
		return -1;
	return get;
}

pii conv(int i) {
	return {-2 * h[i], h[i] * h[i] + dp[i]};
}

void insert(int i) {
	if(env.empty()) {
		env.push_back(i);
		return;
	}

	int top = env.back();
	env.pop_back();

	while(!env.empty() && ccw(conv(env.back()), conv(top), conv(i)) == 1)
		top = env.back(), env.pop_back();

	env.push_back(top);
	env.push_back(i);
}

ll comp(int i, ll val) {
	return -2 * h[i] * val + h[i] * h[i] + dp[i];
}

int query(ll val) {
	int lo = 0, hi = env.size() - 1, mid;

	while(lo < hi) {
		mid = (lo + hi) >> 1;

		// printf("mid %d  lohi %d %d  val %d\n", mid, lo, hi, val);

		if(comp(mid, val) > comp(mid + 1, val)
           lo = mid + 1;
        else
           hi = mid;
    }

	return lo;
}

void load() {
	scanf("%d%lld",  &n, &c);

	for(int i = 0; i < n; ++i)
		scanf("%lld", h + i);
}

void solve () {
	dp[0] = 0;

	insert(0);

	for(int i = 1; i < n; ++i) {
		int j = query(h[i]);
		// printf("j %d\n", j);
		dp[i] = abs(h[j] - h[i]) * abs(h[j] - h[i]) + c + dp[j];

		insert(i);
	}

	printf("%lld\n", dp[n - 1]);
}

int main() {
	load();
	solve();

	return 0;
}

Compiler output:
a.cc: In function 'int query(ll)':
a.cc:65:55: error: expected ';' before 'lo'
   65 |                 if(comp(mid, val) > comp(mid + 1, val)
      |                                                       ^
      |                                                       ;
   66 |            lo = mid + 1;
      |            ~~                                          
a.cc:67:9: error: expected primary-expression before 'else'
   67 |         else
      |         ^~~~
a.cc:66:25: error: expected ')' before 'else'
   66 |            lo = mid + 1;
      |                         ^
      |                         )
   67 |         else
      |         ~~~~             
a.cc:65:19: note: to match this '('
   65 |                 if(comp(mid, val) > comp(mid + 1, val)
      |                   ^
Language: C

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef unsigned long long ull;
#define fst first
#define sed second
#define pb push_back
#define mp make_pair
#define rt register int
#define all(it) it.begin(), it.end()
#define rep(it, f, e) for (rt it = f; it <= e; ++it)
#define per(it, f, e) for (rt it = f; it >= e; --it)
const int MAXN = 2e5 + 10;
array<int,MAXN> h;
array<ll,MAXN> dp;
deque<int> que;
inline double slope(int j, int k) {
	return double((dp[j] + h[j] * h[j]) - (dp[k] + h[k] * h[k])) / (2 * h[j] - 2 * h[k]);
}
int main() {
	ios::sync_with_stdio(false);
	cin.tie(NULL), cout.tie(NULL);
	ll n, m;
	cin >> n >> m;
	rep (i, 1, n) {
		cin >> h[i];
	}
	que.push_front(1);
	rep (i, 2, n) {
		while (que.size() > 1 && slope(que[0], que[1]) <= h[i]) {
			que.pop_front();
		}	int hd = que[0];
		dp[i] = dp[hd] + (h[i] - h[hd]) * 1ll * (h[i] - h[hd]) + m;
		while (que.size() > 1 && slope(que[que.size() - 2], que.back()) >= slope(que.back(), i)) {
			que.pop_back();
		}	que.push_back(i);
	}
	cout << dp[n] << endl;
	return 0;
}

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