Language: Java

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define rrep(i,n) for (int i=(int)(n)-1; i>=0; --i)
#define debug(x) cerr << #x << " = " << x << "\n"
#define debugv(x) rep(i, x.size()) cerr << x[i] << (i == x.size() - 1 ? "\n" : " ")
#define all(x) x.begin(),x.end()
#define int long long
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int INF = ((1LL << 30) + (1LL << 29));
const int MOD = 1000000007;

//=============================
int N,M,K;
string S,T;
vector<int> A;
vector<int> B;
//=============================
void input()
{
    cin>> N>>M;
}
//=============================
void func(){}
//=============================
void solve()
{
    cout<<(M==100 ? 101 : M);
    cout<<(N==0? "" : (N==1 ? "00" : "0000"))<<endl;
    
}
//=============================
signed main()
{
    input();
    solve();
    return 0;
}

Compiler output:
Main.java:1: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include <bits/stdc++.h>
         ^
Main.java:2: error: illegal character: '#'
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
^
Main.java:2: error: class, interface, enum, or record expected
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
                                  ^
Main.java:2: error: class, interface, enum, or record expected
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
                                                ^
Main.java:3: error: illegal character: '#'
#define rrep(i,n) for (int i=(int)(n)-1; i>=0; --i)
^
Main.java:3: error: class, interface, enum, or record expected
#define rrep(i,n) for (int i=(int)(n)-1; i>=0; --i)
                                         ^
Main.java:3: error: class, interface, enum, or record expected
#define rrep(i,n) for (int i=(int)(n)-1; i>=0; --i)
                                               ^
Main.java:4: error: illegal character: '#'
#define debug(x) cerr << #x << " = " << x << "\n"
^
Main.java:4: error: illegal character: '#'
#define debug(x) cerr << #x << " = " << x << "\n"
                         ^
Main.java:5: error: illegal character: '#'
#define debugv(x) rep(i, x.size()) cerr << x[i] << (i == x.size() - 1 ? "\n" : " ")
^
Main.java:6: error: illegal character: '#'
#define all(x) x.begin(),x.end()
^
Main.java:7: error: illegal character: '#'
#define int long long
^
Main.java:9: error: class, interface, enum, or record expected
typedef long long ll;
^
Main.java:10: error: class, interface, enum, or record expected
typedef pair<int, int> pii;
^
Main.java:11: error: class, interface, enum, or record expected
const int INF = ((1LL << 30) + (1LL << 29));
^
Main.java:12: error: class, interface, enum, or record expected
const int MOD = 1000000007;
^
Main.java:15: error: class, interface, enum, or record expected
int N,M,K;
^
Main.java:16: error: class, interface, enum, or record expected
string S,T;
^
Main.java:17: error: unnamed classes are a preview feature and are disabled by default.
vector<int> A;
^
  (use --enable-preview to enable unnamed classes)
Main.java:22: error: not a statement
    cin>> N>>M;
           ^
Main.java:29: error: not a statement
    cout<<(M==100 ? 101 : M);
        ^
Main.java:30: error: not a statement
    cout<<(N==0? "" : (N==1 ? "00" : "0000"))<<endl;
                                             ^
23 errors