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  1. #include <map>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main() {
  6. std::map<int, string> itemMap;
  7. std::map<int, map<int, string>> categoryMap;
  8. int itemValue = 1;
  9.  
  10. categoryMap.insert(std::pair<int, map<int, string>>(itemValue, itemMap));
  11. return 0;
  12. }
Success #stdin #stdout 0s 4432KB
stdin
Standard input is empty
stdout
Standard output is empty