Created
February 23, 2024 17:15
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class Solution { | |
public: | |
int maxNumberOfFamilies(int n, vector<vector<int>>& rseats) { | |
rseats.push_back({0,10}); | |
rseats.push_back({n+1,1}); | |
sort(rseats.begin(),rseats.end()); | |
int size = rseats.size(); | |
int count = 0; | |
int skipRows,skipCols; | |
for(int i=1;i<size;++i){ | |
if(rseats[i][0]>rseats[i-1][0]){ //If the previous cross is not in same row as current cross | |
skipRows = rseats[i][0] - rseats[i-1][0];//Count no of empty rows | |
count += 2*(skipRows-1); //Case-A: Add 2 count for each empty row | |
if(rseats[i-1][1]==1)//case-F | |
count+=2; | |
else if(rseats[i-1][1]<6)//Case-G | |
count+=1; | |
if(rseats[i][1]==10)//Case-H | |
count+=2; | |
else if(rseats[i][1]>5)//case-I | |
count+=1; | |
} else { //If the previous cross is in the same row as current cross | |
if(rseats[i-1][1]==1 and rseats[i][1]==10)//Case-B | |
count+=2; | |
else if(rseats[i-1][1]<4 and rseats[i][1]>7)//Case-C | |
count+=1; | |
else if(rseats[i-1][1]==1 and rseats[i][1]>5)//Case-D | |
count+=1; | |
else if(rseats[i-1][1]<6 and rseats[i][1]==10)//Case-E | |
count+=1; | |
} | |
} | |
return count; | |
} | |
}; |
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