#ifdef __GNUC__ #pragma GCC optimize ("O3") #pragma GCC target ("avx") #endif #define _USE_MATH_DEFINES #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include//assert(); #include ///////// #define REP(i, x, n) for(int i = x; i < n; i++) #define rep(i,n) REP(i,0,n) #define P(p) cout<<(p)< #define MAIN_INIT std::cin.tie(0); \ std::ios::sync_with_stdio(false);\ std::cout << std::fixed;//小数を10進数表示 ///////// #ifdef getchar_unlocked #define mygc(c) (c)=getchar_unlocked() #else #define mygc(c) (c)=getchar() #endif #ifdef putchar_unlocked #define mypc(c) putchar_unlocked(c) #else #define mypc(c) putchar(c) #endif ///////// typedef long long LL; typedef long double LD; typedef unsigned long long ULL; ///////// using namespace::std; ///////// #ifdef _DEBUG #define DEBUG_BOOL(b) assert(b) #else #define DEBUG_BOOL(b) #endif /////数値読み込み #define ENABLE_READER_ON(T) \ inline void reader(T &x){int k;x = 0;bool flag = true;\ while(true){mygc(k);\ if( k == '-'){flag = false;break;}if('0' <= k && k <= '9'){x = k - '0';break;}\ }\ if( flag ){while(true){mygc(k);if( k<'0' || '9' inline T gcd(T a, T b){return b == 0 ? a : gcd(b, a % b);} // 最小公倍数 template inline T lcm(T a, T b){return a * b / gcd(a, b);} //////////////////////////////// unsigned long long bitcount64(unsigned long long bits) { bits = (bits & 0x5555555555555555) + (bits >> 1 & 0x5555555555555555); bits = (bits & 0x3333333333333333) + (bits >> 2 & 0x3333333333333333); bits = (bits & 0x0f0f0f0f0f0f0f0f) + (bits >> 4 & 0x0f0f0f0f0f0f0f0f); bits = (bits & 0x00ff00ff00ff00ff) + (bits >> 8 & 0x00ff00ff00ff00ff); bits = (bits & 0x0000ffff0000ffff) + (bits >>16 & 0x0000ffff0000ffff); return (bits & 0x00000000ffffffff) + (bits >>32 & 0x00000000ffffffff); } const ULL mod = 1000000007; ULL fact(ULL N ){//(N!)%mod if( N == 0 ){ return 1; } ULL ret = 1; for(ULL i = 1;i<=N;++i){ ret = (ret * i)%mod; } return ret; } inline void solve(){ LL N,K; reader(N);reader(K); vector A(K); for(int i=0;i