# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
385463 | BlancaHM | Coins (IOI17_coins) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "coins.h"
using namespace std;
vector<int> coin_flips(vector<int> b, int c) {
vector<int> flips();
int val = 0;
for (int i = 0; i < (int) b.size(); i++) {
if (b[i]) val ^= i;
}
if (val == c)
flips.push_back(0);
else
flips.push_back(val^c);
return flips;
}
int find_coin(vector<int> b) {
int val = 0;
for (int i = 0; i < (int) b.size(); i++) {
if (b[i]) val ^= i;
}
return val;
}