排个序,求前k个元素和即可
int minimum(int K, vector <int> danceCost) { sort(danceCost.begin(),danceCost.end()); return accumulate(danceCost.begin(),danceCost.begin()+K,0); }
topcoder SRM 624 DIV2 CostOfDancing
时间: 2024-11-09 02:52:32
排个序,求前k个元素和即可
int minimum(int K, vector <int> danceCost) { sort(danceCost.begin(),danceCost.end()); return accumulate(danceCost.begin(),danceCost.begin()+K,0); }
topcoder SRM 624 DIV2 CostOfDancing