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Distribute Candy.cpp
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Distribute Candy.cpp
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int Solution::candy(vector<int> &A) {
vector<int> val(A.size(), 1);
int i = 0;
while(i < A.size()){
if(i == 0){
if(A[i] > A[i+1]){
val[i] = val[i+1] + 1;
}
}
else if(i == A.size()-1){
if(A[i] > A[i-1]){
val[i] = val[i-1] + 1;
}
}
else{
if(A[i] > A[i+1] && A[i] > A[i-1]){
val[i] = max(val[i+1], val[i-1]) + 1;
}
else if(A[i] > A[i+1]){
val[i] = val[i+1] + 1;
}
else if(A[i] > A[i-1]){
val[i] = val[i-1] + 1;
}
}
i++;
}
i = A.size()-1;
while(i >= 0){
if(i == 0){
if(A[i] > A[i+1]){
val[i] = val[i+1] + 1;
}
}
else if(i == A.size()-1){
if(A[i] > A[i-1]){
val[i] = val[i-1] + 1;
}
}
else{
if(A[i] > A[i+1] && A[i] > A[i-1]){
val[i] = max(val[i+1], val[i-1]) + 1;
}
else if(A[i] > A[i+1]){
val[i] = val[i+1] + 1;
}
else if(A[i] > A[i-1]){
val[i] = val[i-1] + 1;
}
}
i--;
}
int sol = 0;
for(int i = 0; i < val.size(); i++){
sol = sol + val[i];
}
return sol;
}