#include <bits/stdc++.h> using namespace std; int main(){ int n,a; cin >> n; double x; vector<double> num; for(int i=0;i<n;i++){ cin >> a >> x; if(a==1){//a等于1压入x,等于2在num内查找x num.push_back(x); } else{ auto it = find(num.begin(),num.end(),x); if(it==num.end()){ cout << "False" << endl; } else{ cout << "True" << endl; } } } return 0; }
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