#include <iostream> #include <vector> #include <climits> using namespace std; bool allSame(const vector<int>& coins, int target) { for (int c : coins) { if (c != target) return false; } return true; } vector<int> flipCoins(const vector<int>& coins, const vector<int>& indices) { vector<int> result = coins; for (int i : indices) { result[i] = 1 - result[i]; } return result; } int main() { vector<int> coins(4); for (int i = 0; i < 4; i++) { cin >> coins[i]; } vector<vector<int>> flipOptions = { {1, 2, 3}, {0, 2, 3}, {0, 1, 3}, {0, 1, 2} }; }

#include <bits/stdc++.h> using namespace std; int main(){ int a,b,x,y; cin >> a >> b >> x >> y; switch(a+b+x+y){ case 0: cout << "0"; break; case 1: cout << "1"; break; case 2: cout << "2"; break; case 3: cout << "1"; break; case 4: cout << "0"; break; } }

#include <bits/stdc++.h> using namespace std; int main(){ int a[4],sum=0; for(int i=0;i<4;i++){ cin>>a[i]; sum+=a[i]; } if(sum0 || sum4){ cout<<0; }else if(sum1 || sum3){ cout<<1; }else if(sum==2){ cout<<2; } return 0; }

#include<bits/stdc++.h> using namespace std; int main(){ int a,b,c,d,e=0;cin>>a>>b>>c>>d; if(a+b+c+d3){ e=1; }else if(a+b+c+d2){ e=2; }else if(a+b+c+d4){ e=0; }else if(a+b+c+d1){ e=1; }cout<<e; return 0; }

#include <bits/stdc++.h> using namespace std; int main(){ int a,b,c,d; cin >> a >> b >> c >> d; switch(a+b+c+d){ case 0: cout << "0"; break; case 1: cout << "1"; break; case 2: cout << "2"; break; case 3: cout << "1"; break; case 4: cout << "0"; break; } return 0; }

这题可以用 A448.翻硬币2更改 A448.翻硬币2 现在的代码