#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 dp[1024]; int nx[1024]; int up; int main(){ int k; rd(N); { int Lj4PdHRW; for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){ rd(A[Lj4PdHRW]); } } dp[0] = 1; for(k=(0);k<(N);k++){ int i; for(i=(0);i<(1024);i++){ nx[i] = 0; } for(i=(0);i<(1024);i++){ if(dp[i]){ nx[i&A[k]] = 1; if(i+A[k] < 1024){ nx[i+A[k]] = 1; } else{ up++; } } } for(i=(0);i<(1024);i++){ dp[i] = nx[i]; } int ao_dF3pO; int tU__gIr_; if(1024==0){ tU__gIr_ = 0; } else{ tU__gIr_ = dp[0]; for(ao_dF3pO=(1);ao_dF3pO<(1024);ao_dF3pO++){ tU__gIr_ += dp[ao_dF3pO]; } } wt_L(up +tU__gIr_); wt_L('\n'); } return 0; } // cLay version 20210321-1 [beta] // --- original code --- // int N, A[2d4]; // int dp[1024], nx[1024], up; // { // rd(N,A(N)); // dp[0] = 1; // rep(k,N){ // rep(i,1024) nx[i] = 0; // rep(i,1024) if(dp[i]) { // nx[i&A[k]] = 1; // if(i+A[k] < 1024) nx[i+A[k]] = 1; // else up++; // } // rep(i,1024) dp[i] = nx[i]; // wt(up + sum(dp(1024))); // } // }