Language: C++

#include <iostream>
#include <sstream>
#include <string>
#include <algorithm>
#include <vector>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <cassert>

using namespace std;

#define for(i,k,n) for(int i=(k); i<(int)n; ++i)
#define rep(i,n) for(i,0,n)
#define forit(i,c) for(__typeof((c).begin())i=(c).begin();i!=(c).end();++i)

template<class t> void debug(t begin, t end){ for(t i = begin; i != end; ++i) cout<<*i<<" "; cout<<endl; }

typedef long long ll;
const int inf = 100000000;
const double eps = 1e-8;
const int mod = 1000000007;
vector<int> m;
int n;
int memo[20][(1<<13) + 1];
bool dfs(int idx, int s){
  int& res = memo[idx][s];
  if(res != -1) return res;
  if(idx % 2 == 0){
    if(s == 1) return false;
    if(s - m[idx] <= 1) return true;
    for(int x = 1; x <= m[idx]; x++){
      if(dfs((idx + 1) % (2*n), s - x)) return res = true;
    }
    return res = false;
  }else{
    if(s == 1) return true;
    if(s - m[idx] <= 1) return false;
    for(int x = 1; x <= m[idx]; x++){
      if(!dfs((idx + 1) % (2*n), s - x)) return res = false;
    }
    return res = true;
  }
}

int main(){
  while(cin>>n && n){
    int s; cin>>s;
    m = vector<int>(2 * n);
    rep(i, 2 * n) cin>>m[i];
    memset(memo, -1, sizeof(memo));
    if(dfs(0, s)) cout<<1<<endl;
    else cout<<0<<endl;
  }
  return 0;
}

Compiler output:
a.cc:22:77: error: macro "for" requires 3 arguments, but only 1 given
   22 | template<class t> void debug(t begin, t end){ for(t i = begin; i != end; ++i) cout<<*i<<" "; cout<<endl; }
      |                                                                             ^
a.cc:18:9: note: macro "for" defined here
   18 | #define for(i,k,n) for(int i=(k); i<(int)n; ++i)
      |         ^~~
a.cc:37:36: error: macro "for" requires 3 arguments, but only 1 given
   37 |     for(int x = 1; x <= m[idx]; x++){
      |                                    ^
a.cc:18:9: note: macro "for" defined here
   18 | #define for(i,k,n) for(int i=(k); i<(int)n; ++i)
      |         ^~~
a.cc:44:36: error: macro "for" requires 3 arguments, but only 1 given
   44 |     for(int x = 1; x <= m[idx]; x++){
      |                                    ^
a.cc:18:9: note: macro "for" defined here
   18 | #define for(i,k,n) for(int i=(k); i<(int)n; ++i)
      |         ^~~
a.cc: In function 'void debug(t, t)':
a.cc:22:79: error: expected '(' before 'cout'
   22 | template<class t> void debug(t begin, t end){ for(t i = begin; i != end; ++i) cout<<*i<<" "; cout<<endl; }
      |                                                                               ^~~~
      |                                                                               (
a.cc:22:86: error: 'i' was not declared in this scope
   22 | template<class t> void debug(t begin, t end){ for(t i = begin; i != end; ++i) cout<<*i<<" "; cout<<endl; }
      |                                                                                      ^
a.cc:22:106: error: expected primary-expression before '}' token
   22 | template<class t> void debug(t begin, t end){ for(t i = begin; i != end; ++i) cout<<*i<<" "; cout<<endl; }
      |                                                                                                          ^
a.cc:22:105: error: expected ')' before '}' token
   22 | template<class t> void debug(t begin, t end){ for(t i = begin; i != end; ++i) cout<<*i<<" "; cout<<endl; }
      |                                                                               ~~~~                      ^~
      |                                                                                                         )
a.cc:22:106: error: expected primary-expression before '}' token
   22 | template<class t> void debug(t begin, t end){ for(t i = begin; i != end; ++i) cout<<*i<<" "; cout<<endl; }
      |                                                                                                          ^
a.cc: In function 'bool dfs(int, int)':
a.cc:37:37: error: expected '(' before '{' token
   37 |     for(int x = 1; x <= m[idx]; x++){
      |                                     ^
      |                                     (
a.cc:37:37: error: expected primary-expression before '{' token
a.cc:40:5: error: expected primary-expression before 'return'
   40 |     return res = false;
      |     ^~~~~~
a.cc:39:6: error: expected ';' before 'return'
   39 |     }
      |      ^
      |      ;
   40 |     return res = false;
      |     ~~~~~~
a.cc:40:5: error: expected primary-expression before 'return'
   40 |     return res = false;
      |     ^~~~~~
a.cc:39:6: error: expected ')' before 'return'
   39 |     }
      |      ^
      |      )
   40 |     return res = false;
      |     ~~~~~~
a.cc:37:37: note: to match this '('
   37 |     for(int x = 1; x <= m[idx]; x++){
      |                                     ^
a.cc:44:37: error: expected '(' before '{' token
   44 |     for(int x = 1; x <= m[idx]; x++){
      |                                     ^
      |                                     (
a.cc:44:37: error: expected primary-expression before '{' token
a.cc:47:5: error: expected primary-expression before 'return'
   47 |     return res = true;
      |     ^~~~~~
a.cc:46:6: error: expected ';' before 'return'
   46 |     }
      |      ^
      |      ;
   47 |     return res = true;
      |     ~~~~~~
a.cc:47:5: error: expected primary-expression before 'return'
   47 |     return res = true;
      |     ^~~~~~
a.cc:46:6: error: expected ')' before 'return'
   46 |     }
      |      ^
      |      )
   47 |     return res = true;
      |     ~~~~~~
a.cc:44:37: note: to match this '('
   44 |     for(int x = 1; x <= m[idx]; x++){
      |                                     ^
a.cc:49:1: warning: control reaches end of non-void function [-Wreturn-type]
   49 | }
      | ^