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

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

int n,m;
int a[9];
int temp[9] = {2,5,5,4,5,6,3,7,6};
int c[9];
int dp[10001];
int inf = 1e9;
int select[10001];


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

    sort(a,a+m);

    for(int i=0; i<m; ++i){
        c[i] = temp[a[i]-1];
    }

    dp[0] = 0;

    for(int i=1; i<=n; ++i){
        int max = -inf;
        int loc = 0;
        for(int j=0; j<m; ++j){
            if(i-c[j]<0){
            continue;
            }
            if(dp[i-c[j]]+1>=max){
                max = dp[i-c[j]]+1;
                loc = j;
            }
        }
        dp[i] = max;
        select[i] = loc;
    }

    int iter = n;
    while(iter > 0){
        cout << a[select[iter]];
        iter -= c[select[iter]];
 
    }
    cout << endl;

    return 0;

}

Compiler output:
a.cc:11:17: error: 'int select [10001]' redeclared as different kind of entity
   11 | int select[10001];
      |                 ^
In file included from /usr/include/x86_64-linux-gnu/sys/types.h:179,
                 from /usr/include/stdlib.h:514,
                 from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/c++/14/ext/string_conversions.h:43,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 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/x86_64-linux-gnu/sys/select.h:102:12: note: previous declaration 'int select(int, fd_set*, fd_set*, fd_set*, timeval*)'
  102 | extern int select (int __nfds, fd_set *__restrict __readfds,
      |            ^~~~~~
a.cc: In function 'int main()':
a.cc:41:17: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   41 |         select[i] = loc;
      |                 ^
a.cc:41:19: error: assignment of read-only location '*(select + ((sizetype)i))'
   41 |         select[i] = loc;
      |         ~~~~~~~~~~^~~~~
a.cc:46:30: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   46 |         cout << a[select[iter]];
      |                              ^
a.cc:46:18: error: invalid types 'int [9][int(int, fd_set*, fd_set*, fd_set*, timeval*)]' for array subscript
   46 |         cout << a[select[iter]];
      |                  ^
a.cc:47:30: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   47 |         iter -= c[select[iter]];
      |                              ^
a.cc:47:18: error: invalid types 'int [9][int(int, fd_set*, fd_set*, fd_set*, timeval*)]' for array subscript
   47 |         iter -= c[select[iter]];
      |                  ^
Language: C++

#include <iostream>
#include <string.h>
#include <map>
using namespace std;
#define ll long long

int main () {
  ll n, m;
  cin >> n >> m;
  map<ll, ll> box;
  ll v[9] = {
   2 , 5 , 5 , 4 , 5 , 6 , 3 , 7 , 6 
  };
  for (ll i = 1; i <= 9; i++) {
    box[i] = v[i - 1];      
  }  
  ll a[m], b[m];
  for (ll i = 0; i < m; i++) {
    cin >> a[i];
  }
  sort(a, a + m);
  for (ll i = 0; i < m; i++) {
    b[i] = box[a[i]];  
  }
  string dp[n + 1];
  for (ll i = 0; i <= n; i++) {
    dp[i] = "0";
    string max = "";
    for (ll j = 0; j < m; j++) {
      if (i - b[j] == 0) {
        if (dp[i][0] < ('0' + a[j])) {
          dp[i][0] = '0' + a[j];  
        }        
      }  
      if (i - b[j] > 0 && dp[i - b[j]] != "0") {
        string sub = to_string(a[j]) + dp[i - b[j]]; 
        if (sub.size() > max.size()) {
          max = sub;  
        }
        else if (max.size() == sub.size() && string(sub).compare(max) > 0) {
          max = sub;
        }
      }
    }   
    if (max != "") {
      dp[i] = max;  
    }
  }
  cout << dp[n] << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   21 |   sort(a, a + m);
      |   ^~~~
      |   short
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
vector<int> m = {0, 2, 5, 5, 4, 5, 6, 3, 7, 6};

string getmax(string a, string b)
{
  if(a.size() != b.size())
  {
    return a.size() > b.size() ? a : b;
  }
  return a > b ? a : b;
}

int main()
{
    int n, m;
    cin >> n >> m;
    vector<int> a(m, 0);
    for(int i = 0; i < m; i++)
    {
        cin >> a[i];
    }
    sort(a.begin(), a.end(), greater<int>);
    vector<string> dp(max(n + 1, 10), "");
    for(int i = 0; i < m, i++)
    {
        dp[m[a[i]]] = getmax(dp[m[a[i]]], to_string(a[i]));
    }
    
    for(int j = 0; j < n; j++)
    {
        for(int i = 0; i < m; i++)
        {
            if(j - m[a[i]] >= 0 && dp[j - m[a[i]] != "")
            {
                dp[j] = getmax(dp[j], dp[j - m[a[i]] + to_string(a[i]));
            }
        }
    }
    cout << dp[n];
    
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:42: error: expected primary-expression before ')' token
   25 |     sort(a.begin(), a.end(), greater<int>);
      |                                          ^
a.cc:27:30: error: expected ';' before ')' token
   27 |     for(int i = 0; i < m, i++)
      |                              ^
      |                              ;
a.cc:29:13: error: invalid types 'int[__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}]' for array subscript
   29 |         dp[m[a[i]]] = getmax(dp[m[a[i]]], to_string(a[i]));
      |             ^
a.cc:29:34: error: invalid types 'int[__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}]' for array subscript
   29 |         dp[m[a[i]]] = getmax(dp[m[a[i]]], to_string(a[i]));
      |                                  ^
a.cc:36:21: error: invalid types 'int[__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}]' for array subscript
   36 |             if(j - m[a[i]] >= 0 && dp[j - m[a[i]] != "")
      |                     ^
a.cc:36:44: error: invalid types 'int[__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}]' for array subscript
   36 |             if(j - m[a[i]] >= 0 && dp[j - m[a[i]] != "")
      |                                            ^
a.cc:36:56: error: expected ']' before ')' token
   36 |             if(j - m[a[i]] >= 0 && dp[j - m[a[i]] != "")
      |                                                        ^
      |                                                        ]
a.cc:38:47: error: invalid types 'int[__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}]' for array subscript
   38 |                 dp[j] = getmax(dp[j], dp[j - m[a[i]] + to_string(a[i]));
      |                                               ^
a.cc:38:71: error: expected ']' before ')' token
   38 |                 dp[j] = getmax(dp[j], dp[j - m[a[i]] + to_string(a[i]));
      |                                                                       ^
      |                                                                       ]
Language: C++

#include <bits/stdc++.h>

using namespace std;

vector<int> m = {0, 2, 5, 5, 4, 5, 6, 3, 7, 6};

int dp[5050][10050];

int main() {
    int N, M, A;
    cin >> N >> M;

    vector<int> v;

    for(int i = 0; i < M; i++) {
        cin >> A;
        v.emplace_back(A);
    }

  	memset(dp, 0, sizeof(dp))
    dp[0][0] = 1;

    for(int i = 0; i < 5050; i++) {
        for(int j = 0; j <= N; j++) {
            if(dp[i][j] == 0) {
                continue;
            }

            for(int k = 0; k < v.size(); k++) {
                if(j+m[v[k]] <= N) {
                    dp[i+1][j+m[v[k]]] = 1;
                }
            }
        }
    }

    int d = -1;
    for(int i = 0; i < 5050; i++) {
        if(dp[i][N]) {
            d = max(d, i);
        }
    }

    int idx = N;
    for(int i = d-1; i > 0; i--) {
        int x = -1;
        for(int j = idx; j >= 0; j--) {
            if(dp[i][j]) {
                int tmp = idx - j;
                int val = -1;
                for(int k: v) {
                    if(m[k] == tmp) {
                        val = k;
                        break;
                    }
                }

                x = max(x, val);
            }
        }
        idx -= m[x];
        cout << x;
    }

    int val = -1;
    for(int k: v) {
        if(m[k] == idx) {
            val = k;
            break;
        }
    }

    cout << val << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:34: error: expected ';' before 'dp'
   20 |         memset(dp, 0, sizeof(dp))
      |                                  ^
      |                                  ;
   21 |     dp[0][0] = 1;
      |     ~~
Language: C++

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

string f[10010][11] = {};

string getmax(string f[10000][10], int d, int m) {
	string max = f[d][0];
	for (int i = 1; i < m; i++) {
		int l1 = max.length();
		int l2 = f[d][i].length();

		if ((l1 < l2) || ((l1 == l2) && max.compare(f[d][i]) < 0)) {
			max = f[d][i];
		}
	}

	return max;
}

int main() {
	int n, m;
	int da[] = { 0,2,5,5,4,5,6,3,7,6 };
	int a[9] = {};

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

	for (int i = 0; i < m; i++) {
		f[0][i] = "0";
	}

	for (int i = 1; i <= n; i++) {
		for (int j = 0; j < m; j++) {
			if (i - da[a[j]] >= 0) {
				f[i][j] = getmax(f, i - da[a[j]], m);
				if (f[i][j].compare("") != 0) 
					f[i][j] = f[i][j].append(to_string(a[j]));
			}
			else {
				f[i][j] = "";
			}
		}
	}

	string result = getmax(f, n, m);
	if (result.at(0)=='0') {
		result = result.substr(1, result.length() - 1);
	}
	cout << result;


	getchar(); getchar();
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:50: error: cannot convert 'std::string (*)[11]' {aka 'std::__cxx11::basic_string<char> (*)[11]'} to 'std::string (*)[10]' {aka 'std::__cxx11::basic_string<char> (*)[10]'}
   38 |                                 f[i][j] = getmax(f, i - da[a[j]], m);
      |                                                  ^
      |                                                  |
      |                                                  std::string (*)[11] {aka std::__cxx11::basic_string<char> (*)[11]}
a.cc:7:22: note:   initializing argument 1 of 'std::string getmax(std::string (*)[10], int, int)'
    7 | string getmax(string f[10000][10], int d, int m) {
      |               ~~~~~~~^~~~~~~~~~~~
a.cc:48:32: error: cannot convert 'std::string (*)[11]' {aka 'std::__cxx11::basic_string<char> (*)[11]'} to 'std::string (*)[10]' {aka 'std::__cxx11::basic_string<char> (*)[10]'}
   48 |         string result = getmax(f, n, m);
      |                                ^
      |                                |
      |                                std::string (*)[11] {aka std::__cxx11::basic_string<char> (*)[11]}
a.cc:7:22: note:   initializing argument 1 of 'std::string getmax(std::string (*)[10], int, int)'
    7 | string getmax(string f[10000][10], int d, int m) {
      |               ~~~~~~~^~~~~~~~~~~~
Language: Java

import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class _Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int M = sc.nextInt();
		int[] A = new int[M];
		for(int i = 0; i < M; i++) {
			A[i] = sc.nextInt();
		}
		sc.close();
		//int[] a = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
		int[] c = {0, 2, 5, 5, 4, 5, 6, 3, 7, 6};
		Map<Integer, Integer> map = new HashMap<Integer, Integer>();
		for(int i = 0; i < M; i++) {
			if(map.containsKey(c[A[i]])) {
				if(map.get(c[A[i]]) < A[i]) {
					map.put(c[A[i]], A[i]);
				}
			}else {
				map.put(c[A[i]], A[i]);
			}
		}
		int l = map.size();
		int[]k = new int[map.size()];
		int idx = 0;
		for(int key : map.keySet()) {
			k[idx] = key;
			idx++;
		}
		if(l == 1) {
			for(int i = 0; i < N / k[0]; i++) {
				System.out.print(map.get(k[0]));
			}
			System.out.println();
			System.exit(0);
		}
		Arrays.sort(k);
		Data[] d = new Data[N + 1];
		for(int i = 0; i <= N; i++) {
			d[i] = new Data(l);
		}
//		for(int i = 1; i <= N / k[0]; i++) {
//			d[i * k[0]].flag = true;
//			d[i * k[0]].g[0] = i;
//		}
		d[0].flag = true;
		for(int i = 0; i < N; i++) {
			if(!d[i].flag) continue;
			for(int j = 0; j < l; j++) {
				int t = i + k[j];
				if(t > N) break;
				if(d[t].flag == false) {
					d[t].flag = true;
					for(int u = 0; u < l; u++) {
						d[t].g[u] = d[i].g[u];
					}
					d[t].g[j] += 1;
				}else {
					if(d[t].sum() <= d[i].sum()) {
						for(int u = 0; u < l; u++) {
							d[t].g[u] = d[i].g[u];
						}
						d[t].g[j] += 1;
					}else if(d[t].sum() == d[i].sum() + 1) {
						int f1 = 0;
						int f2 = 0;
						for(int u = 0; u < l; u++) {
							f1 += d[t].g[u] * map.get(k[u]);
							f2 += d[i].g[u] * map.get(k[u]);
						}
						f2 += map.get(k[j]);
						if(f1 <= f2) {
							for(int u = 0; u < l; u++) {
								d[t].g[u] = d[i].g[u];
							}
							d[t].g[j] += 1;
						}
					}
				}
			}
		}
		Integer[] ans = new Integer[d[N].sum()];
		idx = 0;
		for(int i = 0; i < l; i++) {
			for(int j = 0; j < d[N].g[i]; j++) {
				ans[idx] = map.get(k[i]);
				idx++;
			}
		}
		Arrays.sort(ans, Collections.reverseOrder());
		for(int i : ans) {
			System.out.print(i);
		}
		System.out.println();

	}
	static class Data{
		int[]g;
		boolean flag = false;
		public Data(int n) {
			g = new int[n];
		}
		public int sum() {
			int ret = 0;
			for(int i : g) {
				ret += i;
			}
			return ret;
		}
	}
}

Compiler output:
Main.java:7: error: class _Main is public, should be declared in a file named _Main.java
public class _Main {
       ^
1 error
Language: C++

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

#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define RFOR(i, a, b) for (int i = (b)-1; i >= (a); i--)
#define REP(i, n) for (int i = 0; i < (n); i++)
#define RREP(i, n) for (int i = (n)-1; i >= 0; i--)
#define INF (1 << 30)
#define ALEN(ARR) (sizeof(ARR) / sizeof((ARR)[0]))
#define MP make_pair
#define mp make_pair
#define pb push_back
#define PB push_back

#if DEBUG
#define _DEBUG(x) cout << #x << ": " << x << endl
#define _DDEBUG(x, y) cout << #x << ": " << x << ", " << #y << ": " << y << endl
#else
#define _DEBUG(x) ;
#define _DDEBUG(x, y) ;
#endif

#define ll long long
#define ull unsigned long long
#define MOD 1000000007

/** FOR VECTOR DEBUG */
template <typename T>
ostream &operator<<(ostream &out, const vector<T> &v) {
  if (!v.empty()) {
    out << '[';
    copy(v.begin(), v.end(), ostream_iterator<T>(out, ", "));
    out << "\b\b]";
  }
  return out;
}

/* template end */
const int limit = 11729;
string dp[limit];
int match[10] = {-INF, 2, 5, 5, 4, 5, 6, 3, 7, 6};

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout.precision(16);

  int n, m;
  cin >> n >> m;

  vector<pair<int, string>> al(m);
  REP(i, m) {
    int t;
    cin >> t;
    al[i] = mp(t, to_string(t));
  }
  sort(al.begin(), al.end(), [](auto a, auto b) { return b.first > a.first; });
  REP(i, limit) {
    dp[i] = "";
  }
  REP(i, n) {
    if(i>0 && dp[i].size() ==0) { contimue; }
    for (auto j : al) {
      int idx = i + match[j.first];
      dp[idx] = [&](string s, string t) {
        if (t.size() > s.size() || t > s) {
          return t;
        }
        return s;
      }(dp[idx], dp[i] + j.second);
    }
  }

  cout << dp[n] << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:62:35: error: 'contimue' was not declared in this scope; did you mean 'ctime'?
   62 |     if(i>0 && dp[i].size() ==0) { contimue; }
      |                                   ^~~~~~~~
      |                                   ctime
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <functional>
#include <cmath>
#include <map>
#include <utility>
#include <memory>
#include <string>

#define reps(i,s,n) for(int (i) = (s); (i) < (n); (i)++)
#define rep(i,n) reps(i,0,n)
using namespace std;
using ll = long long;
using pii = pair<int,int>;

bool comp(const pii &a, const pii &b){
    if(a.first < b.first){
        return true;
    }else if(a.first == b.first){
        if(a.second > b.second)
            return true;
    }
    return false;
}

int main(){
    int n,m;
    cin >> n >> m;
    vector<pii> a;
    int arr[10] = {0,2,5,5,4,5,6,3,7,6};
    int ans[10] = {0};
    int tmp;
    rep(i,m){
        cin >> tmp;
        a.push_back({arr[tmp],tmp});
    }

    sort(a.begin(),a.end(),comp);
    vector<int> dp(n+100);
    rep(i,n+100){
        dp[i] = -1;
    }
    dp[0] = 0;
    rep(i,n+10){
        rep(j,m){
            if(dp[i] != -1){
                dp[i+a[j].first] = dp[i] + 1;
            }
        }
    }


    int table[10][10];
    memset(table,0,sizeof(table));

    rep(k,m){
        if(dp[n-a[k].first]  != dp[n] - 1){
            continue;
        }
        table[k][a[k].second]++;

        for(int i = n-a[k].first; i > 0;){
            rep(j,m){
                if(dp[i-a[j].first]  == dp[i] - 1){
                    
                    table[k][a[j].second]++;
                    i -= a[j].first;
                    break;
                }
            }
        }
    }

    int pos = 0;
    reps(k,1,m){
        for(int j = 9; j > 0; j--){
            if(table[pos][j] < table[k][j]){
                pos = k;
                break;
            }else if(table[pos][j] > table[k][j]){
                break;
            }
        }
    }


    for(int j = 9; j > 0; j--){
        rep(l,table[pos][j]){
            cout << j;
        }
    }
    cout << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:55:5: error: 'memset' was not declared in this scope
   55 |     memset(table,0,sizeof(table));
      |     ^~~~~~
a.cc:9:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    8 | #include <memory>
  +++ |+#include <cstring>
    9 | #include <string>
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <functional>
#include <cmath>
#include <map>
#include <utility>
#include <memory>

#define reps(i,s,n) for(int (i) = (s); (i) < (n); (i)++)
#define rep(i,n) reps(i,0,n)
using namespace std;
using ll = long long;
using pii = pair<int,int>;

bool comp(const pii &a, const pii &b){
    if(a.first < b.first){
        return true;
    }else if(a.first == b.first){
        if(a.second > b.second)
            return true;
    }
    return false;
}

int main(){
    int n,m;
    cin >> n >> m;
    vector<pii> a;
    int arr[10] = {0,2,5,5,4,5,6,3,7,6};
    int ans[10] = {0};
    int tmp;
    rep(i,m){
        cin >> tmp;
        a.push_back({arr[tmp],tmp});
    }

    sort(a.begin(),a.end(),comp);
    vector<int> dp(n+100);
    rep(i,n+100){
        dp[i] = -1;
    }
    dp[0] = 0;
    rep(i,n+10){
        rep(j,m){
            if(dp[i] != -1){
                dp[i+a[j].first] = dp[i] + 1;
            }
        }
    }


    int table[10][10];
    memset(table,0,sizeof(table));

    rep(k,m){
        if(dp[n-a[k].first]  != dp[n] - 1){
            continue;
        }
        table[k][a[k].second]++;

        for(int i = n-a[k].first; i > 0;){
            rep(j,m){
                if(dp[i-a[j].first]  == dp[i] - 1){
                    
                    table[k][a[j].second]++;
                    i -= a[j].first;
                    break;
                }
            }
        }
    }

    int pos = 0;
    reps(k,1,m){
        for(int j = 9; j > 0; j--){
            if(table[pos][j] < table[k][j]){
                pos = k;
                break;
            }else if(table[pos][j] > table[k][j]){
                break;
            }
        }
    }


    for(int j = 9; j > 0; j--){
        rep(l,table[pos][j]){
            cout << j;
        }
    }
    cout << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:54:5: error: 'memset' was not declared in this scope
   54 |     memset(table,0,sizeof(table));
      |     ^~~~~~
a.cc:9:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    8 | #include <memory>
  +++ |+#include <cstring>
    9 |
Language: C++

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

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define REP(i, n) for (int i = 0; i < (n); i++)
#define RREP(i, n) for (int i = (n) - 1; i >= 0; i--)
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define RFOR(i, a, b) for (int i = (a); i > (b); i--)
#define ALL(a) (a).begin(), (a).end()

int N, M, A;
int dp[10001];
map<int, int> mii;

int main() {
    int c[9] = {2, 5, 5, 4, 5, 6, 3, 7, 6};
    cin >> N >> M;
    REP(i, M) {
        cin >> A;
        mii[c[A - 1]] = max(mii[c[A - 1]], A);
    }
    for (auto p : mii) cout << p.first << "," << p.second << endl;
    memset(dp, -1, sizeof(dp));
    dp[0] = 0;

    REP(i, N + 1) {
        for (auto p : mii) {
            if (i - p.first >= 0) {
                dp[i] = max(dp[i], dp[i - p.first] + 1);
            }
        }
    }

    string ans = "";
    int remain = dp[N], match = N;
    while (match > 0) {
        for (auto p : mii) {
            if (dp[match - p.first] == remain - 1) {
                ans += to_string(p.second);
                match -= p.first;
                remain--;
                break;
            }
        }
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:5: error: 'memset' was not declared in this scope
   30 |     memset(dp, -1, sizeof(dp));
      |     ^~~~~~
a.cc:7:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    6 | #include <map>
  +++ |+#include <cstring>
    7 |
Language: C

#include <stdio.h>
#include <math.h>

int min(int *cost, int m){
  int i;
  int mi = cost[0];
  for(i=1; i<m; i++){
    if(mi>cost[i]){
      mi = cost[i];
    }
  }
  return mi;
}

int count = 0;
int pn;
unsigned long int p=0, max=0;
unsigned long int search(int *a, int *cost, int n, int m, int x, int final, int keta){
  if(x > 0){
    int i;
    for(i=0; i<m; i++){
      return search(&a[0], &cost[0], n, m, x-1, final, keta);
    }
  }else{
    int i;
    int c[keta];
    c[keta-1] = count/(int)(pow(m,keta-1));
    for(i=keta-2; i>0; i--){
      c[i] = (count-c[i+1]*(int)(pow(m,i+1)))/(int)(pow(m,i));
    }
    c[0] = count % m;
    p = c[0];
    pn = cost[c[0]];
    for(i=1; i<keta; i++){
      p += c[i]*(int)(pow(m, i));
      pn += cost[c[i]];
    }
    if(pn==n && max<p){
      max = p;
    }
    count++;
    if(count == final){
      return max;
    }
  }
}

int main(void){
  int n, m, i, j;
  scanf("%d %d", &n, &m);
  int a[m], cost[m];
  for(i=0; i<n; i++){
    scanf("%d", &a[i]);
  }

  for(j=0; j<m; j++){
    switch(a[j]){
      case 1:
        cost[j] = 2; break;
      case 2:
      case 3:
      case 5:
        cost[j] = 5; break;
      case 4:
        cost[j] = 4; break;
      case 6:
      case 9:
        cost[j] = 6; break;
      case 7:
        cost[j] = 3; break;
      case 8:
        cost[j] = 7; break;
    }
  }
  // 1, 7, 4, (2, 3, 5), (6, 9), 8
  // 2, 3, 4,     5,        6,   7
  double p;
  int pn; double max=0;
  int keta = n / min(&cost[0], m);
  unsigned long int ans = 0;
  for(i=0; ans==0 && i<keta; i++){
    ans = search(&a[0], &cost[0], n, m, keta-i, (int)(pow(m,keta))-1, keta-i)
  }
  printf("%lu", ans);

  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:82:78: error: expected ';' before '}' token
   82 |     ans = search(&a[0], &cost[0], n, m, keta-i, (int)(pow(m,keta))-1, keta-i)
      |                                                                              ^
      |                                                                              ;
   83 |   }
      |   ~
Language: C

#include <stdio.h>
#include <math.h>
#include <time.h>
#include <stdlib.h>

int min(int *cost, int m){
  int i;
  int mi = cost[0];
  for(i=1; i<m; i++){
    if(mi>cost[i]){
      mi = cost[i];
    }
  }
  return mi;
}

int count = 0;
int c[keta], count_, pn;
unsigned long int p=0, max=0;
int search(int *a, int *cost, int n, int m, int keta, int final){
  if(keta > 0){
    int i;
    for(i=0; i<m; i++){
      search(&a[0], &cost[0], n, m, keta-1, final);
    }
  }else{
    int i;
    count_ = count;
    c[keta-1] = count_/(int)(pow(m,keta-1));
    for(i=keta-2; i>0; i--){
      c[i] = (count_-c[i+1]*(int)(pow(m,i+1)))/(int)(pow(m,i));
    }
    c[0] = count % m;
    p = c[0];
    pn = cost[c[0]];
    for(i=1; i<keta; i++){
      p += c[i]*(int)(pow(m, i));
      pn += cost[c[i]];
    }
    if(pn==n){
      if(max<p){
        max = p;
      }
    }
    count++;
    if(count == final){
      return max;
    }
  }
}

int main(void){
  srand(time(NULL));
  int n, m, i, j;
  scanf("%d %d", &n, &m);
  int a[m], cost[m];
  for(i=0; i<n; i++){
    scanf("%d", &a[i]);
  }

  for(j=0; j<m; j++){
    switch(a[j]){
      case 1:
        cost[j] = 2; break;
      case 2:
      case 3:
      case 5:
        cost[j] = 5; break;
      case 4:
        cost[j] = 4; break;
      case 6:
      case 9:
        cost[j] = 6; break;
      case 7:
        cost[j] = 3; break;
      case 8:
        cost[j] = 7; break;
    }
  }
  // 1, 7, 4, (2, 3, 5), (6, 9), 8
  // 2, 3, 4,     5,        6,   7
  double p;
  int pn; double max=0;
  int keta = n / min(&cost[0], m);

  printf("%lu", search(&a[0], &cost[0], n, m, keta, (int)(pow(m,keta))-1));

  return 0;
}


Compiler output:
main.c:18:7: error: 'keta' undeclared here (not in a function)
   18 | int c[keta], count_, pn;
      |       ^~~~
Language: C

#include <stdio.h>
#include <math.h>
#include <time.h>
#include <stdlib.h>

int main(void){
  srand(time(NULL));
  int n, m;
  scanf("%d %d", &n, &m);
  int a[m], i, cost[m];
  for(i=0; i<n; i++){
    scanf("%d", &a[i]);
  }
  int num[10]={}; int j;
  for(i=1; i<=9; i++){
    for(j=0; j<n; j++){
      if(i==a[j]){
        num[i]++;
      }
    }
  }
  i=0;
  // 1, 7, 4, (2, 3, 5), (6, 9), 8
  // 2, 3, 4,     5,        6,   7
  if(num[1]!=0){
    a[i] = 1;   cost[i] = 2;   i++;
  }
  if(num[7]!=0){
    a[i] = 7;   cost[i] = 3;   i++; //
  }
  if(num[4]!=0){
    a[i] = 4;   cost[i] = 4;   i++; //
  }
  if(num[5]!=0){
    a[i] = 5;   cost[i] = 5;   i++; //
  }
  if(num[3]!=0){
    a[i] = 3;   cost[i] = 5;   i++; //
  }
  if(num[2]!=0){
    a[i] = 2;   cost[i] = 5;   i++;
  }
  if(num[9]!=0){
    a[i] = 9;   cost[i] = 6;   i++; //
  }
  if(num[6]!=0){
    a[i] = 6;   cost[i] = 6;   i++; //
  }
  if(num[8]!=0){
    a[i] = 8;   cost[i] = 7;   i++; //
  }

  // i = m
  // a[0]~[m-1], cost[0]~[m-1]

  unsigned long int p;
  int count; int pn; int max=0;
  int count_m = 10000000;
  for(count=0; count<count_m ; count++){
    p=0;
    for(pn=0, j=0; ; j++){
      i = rand()%m +1;
      p += a[i] * pow(10, j);
      pn += cost[i];
      if(pn==n){
        if(max<p){
          max = p;
          break;
        }
      }else(pn>n){
        p -= a[i] * pow(10, j);
        pn -= cost[i];
      }
    }
  }

  printf("%d", p);

  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:70:18: error: expected ';' before '{' token
   70 |       }else(pn>n){
      |                  ^
      |                  ;
Language: C

#include <stdio.h>
#include <math.h>
#include <time.h>
#include <stdlib.h>

int main(void){
  srand(time(NULL));
  int n, m;
  scanf("%d %d", &n, &m);
  int a[m], i, cost[m];
  for(i=0; i<n; i++){
    scanf("%d", &a[i]);
  }
  int num[10]={}, j;
  for(i=1; i<=9; i++){
    for(j=0; j<n; j++){
      if(i==a[j]){
        num[i]++;
      }
    }
  }
  i=0;
  // 1, 7, 4, (2, 3, 5), (6, 9), 8
  // 2, 3, 4,     5,        6,   7
  if(num[1]!=0){
    a[i] = 1;   cost[i] = 2;   i++;
  }
  if(num[7]!=0){
    a[i] = 7;   cost[i] = 3;   i++; //
  }
  if(num[4]!=0){
    a[i] = 4;   cost[i] = 4;   i++; //
  }
  if(num[5]!=0){
    a[i] = 5;   cost[i] = 5;   i++; //
  }
  if(num[3]!=0){
    a[i] = 3;   cost[i] = 5;   i++; //
  }
  if(num[2]!=0){
    a[i] = 2;   cost[i] = 5;   i++;
  }
  if(num[9]!=0){
    a[i] = 9;   cost[i] = 6;   i++; //
  }
  if(num[6]!=0){
    a[i] = 6;   cost[i] = 6;   i++; //
  }
  if(num[8]!=0){
    a[i] = 8;   cost[i] = 7;   i++; //
  }

  // i = m
  // a[0]~[m-1], cost[0]~[m-1]

  unsigned long int p;
  int count; int j; int pn; int max=0;
  int count_m = 10000000;
  for(count=0; count<count_m ; count++){
    p=0;
    for(pn=0, j=0; ; j++){
      i = rand()%m +1;
      p += a[i] * pow(10, j);
      pn += cost[i];
      if(pn==n){
        if(max<p){
          max = p;
          break;
        }
      }else(pn>n){
        p -= a[i] * pow(10, j);
        pn -= cost[i];
      }
    }
  }

  printf("%d", p);

  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:57:18: error: redeclaration of 'j' with no linkage
   57 |   int count; int j; int pn; int max=0;
      |                  ^
main.c:14:19: note: previous declaration of 'j' with type 'int'
   14 |   int num[10]={}, j;
      |                   ^
main.c:70:18: error: expected ';' before '{' token
   70 |       }else(pn>n){
      |                  ^
      |                  ;
Language: C++

#include <iostream>
#include <vector>
#include <string>
#include <functional>
using namespace std;
using ll = long long;

int N, M;
int dp[10001] = {};
vector<ll> A;
ll cost[] = {0,2,5,5,4,5,6,3,7,6};
string ans = "";
int tmp;
int Inf = 2 << 10;

int main(void){
    cin.tie(0);
    ios::sync_with_stdio(false);

    cin >> N >> M;

    for (int m = 0; m < M; ++m) {
        cin >> tmp;
        A.push_back(tmp);  
    }
    sort(A.begin(), A.end(), greater<int>());

    for (int n = 1; n <= N; ++n) {
        dp[n] = -Inf;
        for (auto e : A) {
            if (n >= cost[e])
                dp[n] = max(dp[n], dp[n - cost[e]] + 1);
        }
    }

    int remained = N;
    while (remained > 0) {
        for (auto e : A) {
            if (dp[remained - cost[e]] == dp[remained] - 1) {
                if (remained < cost[e]) continue;
                if (1 == dp[remained])
                    if (remained != cost[e]) continue;
                ans += to_string(e); 
                remained -= cost[e]; 
                break;
            }
        }
    }

    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   26 |     sort(A.begin(), A.end(), greater<int>());
      |     ^~~~
      |     short
Language: C++

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

int INFp=1000000007;
const string minusinf ="-";
const int mininf = -1;
int cost[10]={0,
    2
    ,
    5
    ,
    5
    ,
    4
    ,
    5
    ,
    6
    ,
    3
    ,
    7
    ,
    6
};
void chmax(string &a,string b){
    if(a == minusinf) a=b;
    else if(a.size()<b.size()) a=b;
    else if(a.size()==b.size()){
        if(a<b) a=b;
    }
}


int main(){
    int n,m;
    int a[15];
    cin>>n>>m;
    for(int i=0;i<m;i++) cin>>a[i];
    
    sort(a,a+m,greater<int>());
    
    int dp[11000]={-1};//i本使うときの最大桁数
    
    dp[0]=0;
    
    for(int i=0;i<10010;i++){
        if(dp[i]<0) continue;
        for(int j=0;j<m;j++){
            int ii=i+cost[a[j]];
            
            if(ii>n) continue;
            
            dp[ii]=max(dp[ii],dp[i]+1);
            
        }
    }
    
    
    int costcount=n;
    
    vector<int> ans;
    int cnt = nn;
    for(int i=0; i<dp[n]; i++){
        int select = -1;
        for(int j=0; j<m; j++){
            int dst = cnt - cost[a[j]];
            if(dst < 0 || dp[dst] == -1)
                continue;
            
            if(dp[cnt]-dp[dst] == 1)
                select = max(select, a[j]);
        }
        
        ans.push_back(select);
        cnt -= cost[select];
    }
    
    
    for(int i=0;i<ans.size();i++){
        cout<<ans[i];
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:64:15: error: 'nn' was not declared in this scope; did you mean 'n'?
   64 |     int cnt = nn;
      |               ^~
      |               n
Language: C++

#include <iostream>
#include <vector>
using namespace std;
using ll = long long;

const int table[10] = { 0, 2, 5, 5, 4, 5, 6, 3, 7, 6 };

int main() {
	const int INF = 1e8;
	int N, M;
	cin >> N >> M;
	vector<int> A(M);
	for (int i = 0; i < M; i++) { 
        cin >> A[i]; 
    }
    sort(A.rbegin(), A.rend());
	vector<int> dp(N + 1, -INF);
	dp[0] = 0;
	for (int i = 0; i < M; i++) {
		int cost = table[A[i]];
		for (int j = 0; j <= N; j++) {
			if (dp[j] < 0) { 
                continue; 
            }
			if (j + cost > N) { 
                break; 
            }
			dp[j + cost] = max(dp[j + cost], dp[j] + 1);
		}
	}
    /*
    for (int i = 0; i <= N; i++) {
        cout << "マッチをちょうど"<< i << "本使ってできる最大桁数" << dp[i] << endl;
    }
    */
	string res = "";
	int num = N;
	int idx = 0;
	while (num > 0) {
		int cost = table[A[idx]];
		if ((num >= cost) && (dp[num] == dp[num - cost] + 1)) {
			res += to_string(A[idx]);
			num -= cost;
		} 
        else {
			idx++;
		}
	}
	cout << res << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   16 |     sort(A.rbegin(), A.rend());
      |     ^~~~
      |     short
Language: C++

#include<iostream>
#include<sstream>
#include<vector>
#include<iterator>
using namespace std;

const int match[10] = {
	1E5,	// 0
	2,	// 1
	5,	// 2
	5,	// 3
	4,	// 4
	5,	// 5
	6,	// 6
	3,	// 7
	7,	// 8
	6	// 9
};


int main(void)
{
	int N, M;
	cin >> N >> M;

	vector<int> A(M);
	for(int i=0; i<M; i++)
		cin >> A[i];

	const int NONE = -1;
	vector<int> dp(N+1, NONE);
	dp[0] = 0;
	for(int i=0; i<=N; i++){
		if(dp[i] == -1)
			continue;

		int index;
		for(int j=0; j<M; j++){
			index = i + match[A[j]];
			if(index > N)
				continue;

			dp[index] = max(dp[index], dp[i]+1);
		}
	}
	
	vector<int> ans;
	int cnt = N;
	for(int i=0; i<dp[N]; i++){
		int select = NONE;
		for(int j=0; j<M; j++){
			int dst = cnt - match[A[j]];
			if(dst < 0 || dp[dst] == NONE)
				continue;

			if(dp[cnt]-dp[dst] == 1)
				select = max(select, A[j]);
		}

		ans.push_back(select);
		cnt -= match[select];
	}

	for(int i=0; i<ans.size(); i++)
		cout << ans[i];
	cout << endl;

	return 0;
}


Compiler output:
a.cc:8:9: error: narrowing conversion of '1.0e+5' from 'double' to 'int' [-Wnarrowing]
    8 |         1E5,    // 0
      |         ^~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;

#define Abs(x)((x) < 0 ? (x) * -1 : (x))

#define rep(x, y) for ((x) = 0; (x) < (y); (x)++)
#define repin(x, y) for ((x) = 0; (x) <= (y); (x)++)
#define nep(x, y) for ((x) = (y) - 1; 0 <= (x); (x)--)
#define nepi(x, y, z) for ((x) = (y) - 1; (z) <= (x); (x)--)
#define repi(x, y, z) for ((x) = (z); (x) < (y); (x)++)
#define repiin(x, y, z) for ((x) = (z); (x) <= (y); (x)++)
#define reps(x, y, z) for ((x) = 0; (x) < (y); (x) += (z))
#define repis(x, y, z, s) for ((x) = (z); (x) < (y); (x) += (s))
#define repit(x) for (__typeof((x).begin()) it = (x).begin(); it != (x).end(); it++)
#define nepit(x) for (__typeof((x).rbegin()) it = (x).rbegin(); it != (x).rend(); it++)

#define All(x) (x).begin(),(x).end()

#define Mem0(x) memset(x, 0, sizeof(x))
#define Mem1(x) memset(x, -1, sizeof(x))

#define Unique(v) v.resize(unique(All(v)) - v.begin())

#define peq(p0, p1)(p0.first == p1.first && p0.second == p1.second)

#define End '\n'
#define Out(x) cout<<(x)<<End
#define OutP(p, sep, end) cout<<p.first<<sep<<p.second<<end

template<typename T> inline bool Max(T &x, const T &y) { return x < y ? x = y, 1 : 0; }
template<typename T> inline bool Min(T &x, const T &y) { return x > y ? x = y, 1 : 0; }
template<typename T> using V = vector<T>;
template<typename T> using VV = V<V<T> >;

#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define lb std::lower_bound
#define ub std::upper_bound

#define lbi(v, x) lb(All(v), (x))-v.begin()
#define ubi(v, x) ub(All(v), (x))-v.begin()

static const ll MOD = 1e9 + 7;
static const double PI = 3.141592653589793;

bool check(const string &s0, const string &s1) {
	if (s0.size() == s1.size()) {
		long i, len = s0.size();

		rep(i, len) if (s0[i] < s1[i]) return false;

		return true;
	} else {
		return s0.size() > s1.size();
	}
}

#define LOCAL 0

int main()
{
#if LOCAL
    freopen("in.txt", "r", stdin);
    freopen("out.txt", "w", stdout);
    freopen("debug.txt", "w", stderr);
#endif

    cin.tie(0);
    ios::sync_with_stdio(false);
	//std::cout.precision(18);

    long n;
	int m;

	cin >> n >> m;

	string dp[n + 1];
	map<int, V<char> > table;
	int cost[9] = { 2, 5, 5, 4, 5, 6, 3, 7, 6 };
	int a;
	string str;
	
	long i;

	repin(i, n) dp[i] = "";

	rep(i, m) {
		cin >> a;

		table[cost[a - 1]].pb((char)(a + '0'));
	}

	repit(table) sort(All(it->Y), std::greater<char>());

	repiin(i, n, 2) {
		repit(table) {
			if (0 == i - it->X) {
				dp[i] += it->Y[0]
			} else if (0 < i - it->X && dp[i - it->X] != "") {
				str = dp[i - it->X] + it->Y[0];

				sort(All(str), std::greater<char>());
				
				if (check(str, dp[i])) dp[i] = str;
			}
		}
	}

	Out(dp[n]);
	
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:104:50: error: expected ';' before '}' token
  104 |                                 dp[i] += it->Y[0]
      |                                                  ^
      |                                                  ;
  105 |                         } else if (0 < i - it->X && dp[i - it->X] != "") {
      |                         ~
Language: Java

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author HBonsai
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        DMatchMatching solver = new DMatchMatching();
        solver.solve(1, in, out);
        out.close();
    }

    static class DMatchMatching {
        int[] cnt = new int[10];
        int[] memo = new int[10000 + 1];

        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int n = Integer.parseInt(in.next());
            int M = Integer.parseInt(in.next());
            Arrays.fill(cnt, 1 << 29); // INF
            int[] use = new int[]{1 << 29, 2, 5, 5, 4, 5, 6, 3, 7, 6};
            while (in.hasNext()) {
                int x = Integer.parseInt(in.next());
                cnt[x] = use[x];
            }
            Arrays.fill(memo, -1);
            StringBuilder ans = new StringBuilder();
            while (n > 0) {
                for (int i = 9; i > 0; i--) {
                    if (dfs(n - cnt[i]) + 1 == dfs(n)) {
                        n -= cnt[i];
                        ans.append(i);
                        break;
                    }
                    if (i == 1) return;
                }
            }
            out.println(ans)
        }

        int dfs(int n) {
            if (n < 0) return -2;
            if (n == 0) return 0;
            if (memo[n] == -1) {
                for (int i = 1; i < 10; i++) {
                    memo[n] = Math.max(memo[n], dfs(n - cnt[i]) + 1);
                }
            }
            return memo[n];
        }

    }
}



Compiler output:
Main.java:50: error: ';' expected
            out.println(ans)
                            ^
1 error
Language: C++

#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;

const int match_number[] = {0, 2, 5, 5, 4, 5, 6, 3, 7, 6};
int dp[(int)1e4 + 10];
int a[10];

int main() {
	memset(dp, -1, sizeof(dp));
	int n, m;
	scanf("%d%d", &n, &m);
	dp[0] = 0;
	for (int i = 1; i <= m; i++) scanf("%d", &a[i]);
	sort(a + 1, a + 1 + m, greater<int>());
	for (int i = 1; i <= m; i++) {
		for (int j = match_number[a[i]]; j <= n; j++) {
			if (dp[j-match_number[a[i]]] != -1) {
				dp[j] = max(dp[j], dp[j-match_number[a[i]]] + 1);
			}
		}
	}
	while (n) {
		for (int i = 1; i <= m; i++) {
			if (n - match_number[a[i]] >= 0 && dp[n] - dp[n - match_number[a[i]]] == 1) {
				n -= match_number[a[i]];
				printf("%d", a[i]);
				break;
			}
		}
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:32: error: 'greater' was not declared in this scope
   16 |         sort(a + 1, a + 1 + m, greater<int>());
      |                                ^~~~~~~
a.cc:16:40: error: expected primary-expression before 'int'
   16 |         sort(a + 1, a + 1 + m, greater<int>());
      |                                        ^~~
Language: C++

#include <algorithm>
#include <cassert>
#include <climits>
#include <cmath>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <vector>
using namespace std;

void chmax(string &s1, string s2) {
  if (s1.size() < s2.size()) {
    s1 = s2;
    return;
  }

  if (s1.size() == s2.size() && s1 < s2) {
    s1 = s2;
    return;
  }

  return;
}

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  int matches[10] = {-1, 2, 5, 5, 4, 5, 6, 3, 7, 6};

  int N, M;
  cin >> N >> M;
  vector<int> as;
  for (int i = 0; i < N; ++i) {
    int ai;
    cin >> ai;
    as.push_back(ai);
  }

  string dp[N + 1];
  fill(dp, dp + N + 1, "");
  vector<string> dp(N + 1, "");
  for (int i = 0; i < N; ++i) {
    for (int j = 0; j < as.size(); ++j) {
      if (i == 0 || dp[i] != "") {
        int match = matches[as[j]];
        if (i + match <= N) {
          chmax(dp[i + match], dp[i] + string(1, '0' + as[j]));
        }
      }
    }
  }

  cout << dp[N] << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:45:18: error: conflicting declaration 'std::vector<std::__cxx11::basic_string<char> > dp'
   45 |   vector<string> dp(N + 1, "");
      |                  ^~
a.cc:43:10: note: previous declaration as 'std::string dp [(N + 1)]'
   43 |   string dp[N + 1];
      |          ^~
Language: C++

#include <cstdio>
#include <cstring>
#include <cmath>
#include <cstdlib>
#include <iostream>
#include <bitset>
#include <deque>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <vector>
#include <algorithm>
#include <iterator>
#include <string>
#include <chrono>
#include <random>

#define int long

const int INF = 1000000009;
const long LINF = 1123456789012345678;

typedef std::pair<int, int> P;

int cost[2005] = {-1, 2, 5, 5, 4, 5, 6, 3, 7, 6};
int n, m;
P num[2005x];
int dp[2005];

signed main(){
	scanf("%ld %ld", &n, &m);
	for(int i = 0; i < m; i++){
		int a;
		scanf("%ld", &a);
		num[i] = P(a, cost[a]);
	}
	dp[0] = 0;
	for(int i = 1; i <= n; i++){
		dp[i] = -LINF;
		for(int j = 0; j < m; j++){
			if(i - num[j].second >= 0){
				dp[i] = std::max(dp[i], dp[i - num[j].second] + 1);
			}
		}
	}
	
	std::sort(num, num+m, std::greater<P>());
	/*
	for(int i = 0; i < m; i++){
		printf("%ld %ld\n", num[i].first, num[i].second);
	}
	printf("\n");
	for(int i = 0; i <= n; i++){
		printf("%ld %ld\n", i, dp[i]);
	}
	//*/
	
	
	int rem = n;
	//*
	while(rem > 0){
		//printf("pass\n");
		for(int i = 0; i < m; i++){
			if(rem - num[i].second >= 0 && dp[rem - num[i].second] == dp[rem] - 1){
				printf("%ld", num[i].first);
				rem -= num[i].second;
				break;
			}
		}
	}
	//*/
	printf("\n");


	return 0;
}


Compiler output:
a.cc:29:7: error: unable to find numeric literal operator 'operator""x'
   29 | P num[2005x];
      |       ^~~~~
a.cc: In function 'int main()':
a.cc:37:17: error: 'num' was not declared in this scope; did you mean 'enum'?
   37 |                 num[i] = P(a, cost[a]);
      |                 ^~~
      |                 enum
a.cc:43:32: error: 'num' was not declared in this scope; did you mean 'enum'?
   43 |                         if(i - num[j].second >= 0){
      |                                ^~~
      |                                enum
a.cc:49:19: error: 'num' was not declared in this scope; did you mean 'enum'?
   49 |         std::sort(num, num+m, std::greater<P>());
      |                   ^~~
      |                   enum
Language: Java

public class Main {

    static final int[] vol = new int[]{0,2,5,5,4,5,6,3,7,6};
    static int n;
    static int m;
    static int[][] a;
    static int[] b;
    static int[] ans;
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        n = sc.nextInt();
        m = sc.nextInt();
        a = new int[m][2]; // num, vol
        for (int i = 0; i < m; i++) {
            int x = sc.nextInt();
            a[i][0] = x;
            a[i][1] = vol[x];
        }
        Arrays.sort(a, (x, y) -> x[1] - y[1]);
        b = a[0];
        for (int i = 1; i < m; i++) {
            if(a[i][1] <= b[1] && a[i][0] > b[0]) b = a[i];
        }
        int amari = n % b[1];
        ans = new int[10];
        ans[b[0]] = n / b[1];
        if(amari != 0){
            int keta = amari;
            amari += b[1] * keta;
            Arrays.sort(a, (x, y) -> y[0] - x[0]);
            dfs(0, amari, keta);
        }
        StringBuilder sb = new StringBuilder();
        for (int i = 9; i > 0 ; i--) {
            while(ans[i] > 0){
                sb.append(i);
                ans[i]--;
            }
        }

        System.out.println(sb.toString());
        sc.close();
    }

    private static boolean dfs(int idx, int amari, int keta){
        boolean ret = false;
        for (int i = idx; i < m; i++) {
            if(keta == 1){
                if(a[i][1] == amari){
                    ret = true;
                }
            }else{
                if(a[i][1] < amari){
                    ret = dfs(i, amari - a[i][1], keta -1);
                }
            }
            if(ret){
                ans[a[i][0]]++;
                break;
            }
        }
        return ret;
    }
}


Compiler output:
Main.java:10: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:10: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class Main
Main.java:19: error: cannot find symbol
        Arrays.sort(a, (x, y) -> x[1] - y[1]);
        ^
  symbol:   variable Arrays
  location: class Main
Main.java:30: error: cannot find symbol
            Arrays.sort(a, (x, y) -> y[0] - x[0]);
            ^
  symbol:   variable Arrays
  location: class Main
4 errors