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class Solution {
public:
// int minCost(string colors, vector<int>& neededTime) {
// char x='*';
// int k=0;
// vector<vector<int>>v;
// for(int i=0;i<colors.size();i++){
// if(colors[i]!=x){
// x=colors[i];
// k++;
// // v[k].push_back(i);k++;
// }
// else{
// v[k].push_back(neededTime[i]);
// }
// }
// int ans=0;
// for(int i=0;i<v.size();i++){
// vector<int> w=v[i];
// sort(w.begin(),w.end());
// // if(w.size())
// for(int k=0;k<w.size()-1;k++){
// ans+=w[k];
// }
// }
// return ans;
// }
int minCost(std::string colors, std::vector<int>& neededTime) {
char x = '*';
int k = 0;
std::vector<std::vector<int>> v;
for (int i = 0; i < colors.size(); ++i) {
if (colors[i] != x) {
x = colors[i];
k++;
v.push_back(std::vector<int>()); // Initialize the vector for the new color
}
v[k - 1].push_back(neededTime[i]); // Add the neededTime to the last color group
}
int ans = 0;
for (int i = 0; i < v.size(); ++i) {
std::vector<int>& w = v[i];
sort(w.begin(), w.end());
for (int j = 0; j < w.size() - 1; ++j) {
ans += w[j];
}
}
return ans;
}
};