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  1. #include <iostream>
  2. #include <map>
  3. using namespace std;
  4.  
  5. int main() {
  6. map<int, string> m1;
  7. m1.insert({1, "Apple"});
  8. m1.insert({1, "Banana"}); // ignored
  9. }
  10.  
Success #stdin #stdout 0.01s 5332KB
stdin
Standard input is empty
stdout
Standard output is empty