#pragma GCC optimize ("Ofast") #include using namespace std; inline int my_getchar_unlocked(){ static char buf[1048576]; static int s = 1048576; static int e = 1048576; if(s == e && e == 1048576){ e = fread_unlocked(buf, 1, 1048576, stdin); s = 0; } if(s == e){ return EOF; } return buf[s++]; } inline void rd(int &x){ int k; int m=0; x=0; for(;;){ k = my_getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = my_getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } struct MY_WRITER{ char buf[1048576]; int s; int e; MY_WRITER(){ s = 0; e = 1048576; } ~MY_WRITER(){ if(s){ fwrite_unlocked(buf, 1, s, stdout); } } } ; MY_WRITER MY_WRITER_VAR; void my_putchar_unlocked(int a){ if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){ fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout); MY_WRITER_VAR.s = 0; } MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a; } inline void wt_L(char a){ my_putchar_unlocked(a); } inline void wt_L(int x){ int s=0; int m=0; char f[10]; if(x<0){ m=1; x=-x; } while(x){ f[s++]=x%10; x/=10; } if(!s){ f[s++]=0; } if(m){ my_putchar_unlocked('-'); } while(s--){ my_putchar_unlocked(f[s]+'0'); } } int N; int A[20000]; int dp1[1024]; int nx1[1024]; int dp2[1024]; int nx2[1024]; int up; int main(){ int k; rd(N); { int Lj4PdHRW; for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){ rd(A[Lj4PdHRW]); } } dp1[0] = 1; for(k=(0);k<(N);k++){ int i; for(i=(0);i<(1024);i++){ nx1[i] = nx2[i] = 0; } for(i=(0);i<(1024);i++){ if(dp1[i] || dp2[i]){ nx1[i&A[k]] = 1; } } for(i=(0);i<(1024);i++){ if(dp1[i]){ if(i+A[k] < 1024){ nx1[i+A[k]] = 1; } else{ up++; nx2[(i+A[k])%1024] = 1; } } } for(i=(0);i<(1024);i++){ if(dp2[i]){ nx2[(i+A[k])%1024] = 1; } } for(i=(0);i<(1024);i++){ auto V9aVTaxx = ((nx1[i])); auto APIVbQlN = (( nx2[i])); dp1[i]=V9aVTaxx; dp2[i]=APIVbQlN; } int YREPHmFM; int jZyWAPpY; if(1024==0){ jZyWAPpY = 0; } else{ jZyWAPpY = dp1[0]; for(YREPHmFM=(1);YREPHmFM<(1024);YREPHmFM++){ jZyWAPpY += dp1[YREPHmFM]; } } wt_L(up +jZyWAPpY); wt_L('\n'); } return 0; } // cLay version 20210321-1 [beta] // --- original code --- // int N, A[2d4]; // int dp1[1024], nx1[1024], dp2[1024], nx2[1024], up; // { // rd(N,A(N)); // dp1[0] = 1; // rep(k,N){ // rep(i,1024) nx1[i] = nx2[i] = 0; // rep(i,1024) if(dp1[i] || dp2[i]) nx1[i&A[k]] = 1; // rep(i,1024) if(dp1[i]){ // if(i+A[k] < 1024){ // nx1[i+A[k]] = 1; // } else { // up++; // nx2[(i+A[k])%1024] = 1; // } // } // rep(i,1024) if(dp2[i]) nx2[(i+A[k])%1024] = 1; // rep(i,1024) (dp1[i], dp2[i]) = (nx1[i], nx2[i]); // wt(up + sum(dp1(1024))); // } // }