#include 
     
           //n 的第i位替换为m的第i位using namespace std;int bitManipulation1(int n, int m, int i) {    return ((m>>i)&1) == 1?  (n|(1<
      
       > t;    while (t--) {         cin >> n >> m >> i;        cout << bitManipulation1(n, m, i) << endl;    }    return 0;}
      
     

 

#include 
     
          // n的第i位取反using namespace std;int bitManipulation2(int n, int i) {    return (n>>i)&1 ==1?    (n&(~(1<
      
       > t;    while (t--) {        cin >> n >> i;        cout << bitManipulation2(n, i) << endl;    }    return 0;}
      
     

#include 
     
           //左边i位取反using namespace std;int bitManipulation3(int n, int i) {    return ((~0)<<(32-i))^n;    }int main() {    int t, n, i;    cin >> t;    while (t--) {        cin >> n >> i;        cout << bitManipulation3(n, i) << endl;    }    return 0;}