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Jun 20, 2025
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Create 3443. Maximum Manhattan Distance After K Changes #820

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27 changes: 27 additions & 0 deletions 3443. Maximum Manhattan Distance After K Changes
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Original file line number Diff line number Diff line change
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class Solution {
public:
int maxDistance(string s, int k) {
int dist=0, N=0, S=0, E=0, W=0, n=s.size();

for(int i=0; i<n; i++){

if(s[i]=='N'){
N++;
}else if(s[i]=='S'){
S++;
}else if(s[i]=='W'){
W++;
}else{
E++;
}

int manhattan_dist=abs(N-S)+abs(E-W);
int opposite_steps=min(N, S)+min(E, W);
int flips=min(k, opposite_steps);
int new_dist=manhattan_dist+2*flips;
dist=max(dist, new_dist);
}

return dist;
}
};
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