rotate in cpp
vector<int> v{1,2,3,4,5,6,7,8,9};
int rot = 2;
//rotate left
rotate(v.begin(), v.begin() + rot, v.end()); //vector: 3 4 5 6 7 8 9 1 2
//rotate right
rotate(v.begin(), v.begin()+v.size()-rot, v.end()); //vector: 8 9 1 2 3 4 5 6 7rotate in cpp
vector<int> v{1,2,3,4,5,6,7,8,9};
int rot = 2;
//rotate left
rotate(v.begin(), v.begin() + rot, v.end()); //vector: 3 4 5 6 7 8 9 1 2
//rotate right
rotate(v.begin(), v.begin()+v.size()-rot, v.end()); //vector: 8 9 1 2 3 4 5 6 7rotate array cpp
###############################
# Rotate array clockwise
###############################
vector<int> kClockwiseRotate(vector<int> a, int k) {
int n = a.size() - 1;
while (k != 0) {
int x = a[n];
for (int i = n; i >= 0; i--) {
a[i + 1] = a[i];
a[i] = x;
}
k--;
}
return a;
}
###############################
# Rotate array anti-clockwise
###############################
vector<int> kAntiClockwiseRotate(vector<int> a, int k) {
int n = a.size() - 1;
while (k != 0) {
for (int i = 0; i < n; i++) {
int x = a[i + 1];
a[i + 1] = a[i];
a[i] = x;
}
k--;
}
return a;
}Copyright © 2021 Codeinu
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