update TBonuses set fcount = fcount + 500 where f_account in (520161, 520535);
update TBonuses set fcount = fcount + 700 where f_account in (320085, 525947, 527260);
#include "coins.h"
#include <vector>
std::vector<int> coin_flips(std::vector<int> b, int c) {
int xor_all = 0;
for(int i = 0; i < (int) b.size(); i++) {