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TheAlgorithms/C++: dynamic_programming/palindrome_partitioning.cpp Source File

Go to the documentation of this file. 49

std::vector<std::vector<int> > cuts(n, std::vector<int>(n, 0));

52

std::vector<std::vector<bool> > is_palindrome(n,

53

std::vector<bool>(n,

false

));

56 for

(

int

i = 0; i < n; i++) {

57

is_palindrome[i][i] =

true

;

61 for

(

int

len = 2; len <= n; len++) {

62 for

(

int

start_index = 0; start_index < n - len + 1; start_index++) {

63 int

end_index = start_index + len - 1;

66

is_palindrome[start_index][end_index] =

67

(str[start_index] == str[end_index]);

69

is_palindrome[start_index][end_index] =

70

(str[start_index] == str[end_index]) &&

71

is_palindrome[start_index + 1][end_index - 1];

74 if

(is_palindrome[start_index][end_index]) {

75

cuts[start_index][end_index] = 0;

77

cuts[start_index][end_index] = INT_MAX;

78 for

(

int

partition = start_index; partition <= end_index - 1;

80

cuts[start_index][end_index] =

81

std::min(cuts[start_index][end_index],

82

cuts[start_index][partition] +

83

cuts[partition + 1][end_index] + 1);

89 return

cuts[0][n - 1];

100

std::vector<std::string> custom_input{

"nitik"

,

"ababbbabbababa"

,

"abdc"

};

103

std::vector<int> calculated_output(3);

105 for

(

int

i = 0; i < 3; i++) {

106

calculated_output[i] =

112

std::vector<int> expected_output{2, 3, 3};

117 for

(

int

i = 0; i < 3; i++) {

118

assert(expected_output[i] == calculated_output[i]);

121

std::cout <<

"All tests passed successfully!\n"

;

Dynamic Programming algorithms.

Functions for Palindrome Partitioning algorithm.

int pal_part(const std::string &str)

static void test()

Test Function.

int main()

Main function.


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