#include <iostream> #include <algorithm> #include <vector> using namespace std; bool isConsecutiveOdd(vector<int>& nums) { sort(nums.begin(), nums.end()); for (int i = 0; i < 3; ++i) { if (nums[i + 1] != nums[i] + 2 || nums[i] % 2 != 1) { return false; } } return nums[0] % 2 == 1; } int main() { vector<int> nums(4); for (int i = 0; i < 4; ++i) { cin >> nums[i]; } if (isConsecutiveOdd(nums)) { for (int i = 0; i < 3; ++i) { cout << nums[i] << "+2=" << nums[i + 1] << endl; } } else { sort(nums.rbegin(), nums.rend()); for (int i = 0; i < 4; ++i) { if (i > 0) { cout << " "; } cout << nums[i]; } cout << endl; } return 0; } /************************************************************** Problem: 1046 User: linmiaoling Language: C++ Result: Accepted Time:9 ms Memory:2076 kb ****************************************************************/