#include <string> #include <iostream> #include <set> std::string addBinary(std::string a, std::string b) { std::string result = ""; int s = 0; int i = a.size() - 1, j = b.size() - 1; while (i >= 0 || j >= 0 || s == 1) { s += ((i >= 0) ? a[i] - '0' : 0); s += ((j >= 0) ? b[j] - '0' : 0); result = char(s % 2 + '0') + result; s /= 2; i--; j--; } return result; } std::string intToBinary(int n) { std::string s = ""; while (n > 0) { s = ((n % 2) == 0 ? "0" : "1") + s; n = n / 2; } return s; } int main() { int dimensions; std::set<std::string> solutions; std::cin >> dimensions; std::string change; for (int i = 0; i < 3; ++i) { int r; std::cin >> r; std::string temp; std::cin >> temp; for (int k = 0; k < dimensions; ++k) { r = r << k; change = intToBinary(r); solutions.insert(addBinary(change, temp)); } } std::cout << solutions.size(); return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | #include <string> #include <iostream> #include <set> std::string addBinary(std::string a, std::string b) { std::string result = ""; int s = 0; int i = a.size() - 1, j = b.size() - 1; while (i >= 0 || j >= 0 || s == 1) { s += ((i >= 0) ? a[i] - '0' : 0); s += ((j >= 0) ? b[j] - '0' : 0); result = char(s % 2 + '0') + result; s /= 2; i--; j--; } return result; } std::string intToBinary(int n) { std::string s = ""; while (n > 0) { s = ((n % 2) == 0 ? "0" : "1") + s; n = n / 2; } return s; } int main() { int dimensions; std::set<std::string> solutions; std::cin >> dimensions; std::string change; for (int i = 0; i < 3; ++i) { int r; std::cin >> r; std::string temp; std::cin >> temp; for (int k = 0; k < dimensions; ++k) { r = r << k; change = intToBinary(r); solutions.insert(addBinary(change, temp)); } } std::cout << solutions.size(); return 0; } |