int main() { int tests; typedef map<string, int> Numbers; string x; int n; if(scanf("%d\n", &tests)); for(int t = 0; t < tests; ++t) { cin >> n; Numbers nums; for(int i = 0; i < n; ++i) { cin >> x; sanitise(x); Numbers::iterator it = nums.find(x); if(it == nums.end()) { it = nums.insert(Numbers::value_type(x, 0)).first; } it->second++; } Numbers::iterator it = nums.begin(); bool found = false; if(t > 0) printf("\n"); while(it != nums.end()) { if(it->second > 1) { printf("%s %d\n", it->first.c_str(), it->second); found = true; } ++it; } if(!found) { printf("No duplicates.\n"); } } return 0; }
void add(int num) { numbers.insert(num); }