Submission #1822731

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Source Code Expand

#include <algorithm>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <sstream>
#include <functional>
#include <map>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <list>
#include <numeric>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll> P;
const double PI = 3.14159265358979323846;
const double EPS = 1e-12;
const ll INF = 1LL<<29;
const ll mod = 1e9+7;
#define rep(i,n) for(int (i)=0;(i)<(ll)(n);++(i))
#define repd(i,n,d) for(ll (i)=0;(i)<(ll)(n);(i)+=(d))
#define all(v) (v).begin(), (v).end()
#define pb(x) push_back(x)
#define mp(x,y) make_pair((x),(y))
#define mset(m,v) memset((m),(v),sizeof(m))
#define chmin(X,Y) ((X)>(Y)?X=(Y),true:false)
#define chmax(X,Y) ((X)<(Y)?X=(Y),true:false)
#define fst first
#define snd second
#define UNIQUE(x) (x).erase(unique(all(x)),(x).end())
template<class T> ostream &operator<<(ostream &os, const vector<T> &v){int n=v.size();rep(i,n)os<<v[i]<<(i==n-1?"":" ");return os;}
#define N 100010
ll dp[2][N];
int main(){
	ll n, k;
	cin>>n>>k;
	vector<int> a(n);
	rep(i, n) cin>>a[i];
	sort(all(a));
	dp[0][0] = 1;
	ll s = 0;
	rep(i, n){
		memcpy(dp[!(i%2)], dp[i%2], sizeof(ll)*(s+1));
		rep(j, s+1){
			if(dp[i%2][j]){
				dp[!(i%2)][a[i]^j] += dp[i%2][j];
				s = max(s, a[i]^j);
			}
		}
		s += a[i];
		rep(j, s+1) dp[!(i%2)][j] %= mod;
	}
	//rep(i, 2) rep(j, 10) cout<<dp[i][j]<<" "; cout<<endl;
	cout<<dp[(n)%2][k]<<endl;
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:55:22: error: no matching function for call to ‘max(ll&, __gnu_cxx::__alloc_traits<std::allocator<int> >::value_type)’
     s = max(s, a[i]^j);
                      ^
In file included from /usr/include/c++/5/algorithm:61:0,
                 from ./Main.cpp:1:
/usr/include/c++/5/bits/stl_algobase.h:219:5: note: candidate: template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)
     max(const _Tp& __a, const _Tp& __b)
     ^
/usr/include/c++/5/bits/stl_algobase.h:219:5: note:   template argument deduction/substitution failed:
./Main.cpp:55:22: note:   deduced conflicting types for parameter ‘const _Tp’ (‘long long int’ and ‘__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}’)
     s = max(s, a[i]^j);
                      ^
In file included from /usr/include/c++/5/algorithm:61:0,
                 from ./Main.cpp:1:
/usr/include/c++/5/bits/stl_algobase.h:265:5: note: candidate: template<class _Tp, class _Compare> constexpr c...