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

Go to the documentation of this file. 55namespace

minimum_edit_distance {

68

uint64_t

min

(uint64_t x, uint64_t y, uint64_t z) {

69 if

(x <= y && x <= z) {

72 if

(y <= x && y <= z) {

92

uint64_t

editDistDP

(std::string str1, std::string str2, uint64_t m,

95

std::vector<std::vector<uint64_t>>

dp

(

97

std::vector<uint64_t>(

102 for

(uint64_t i = 0; i <= m; i++) {

103 for

(uint64_t j = 0; j <= n; j++) {

118 else if

(str1[i - 1] == str2[j - 1]) {

119 dp

[i][j] =

dp

[i - 1][j - 1];

125 dp

[i][j] = 1 +

min

(

dp

[i][j - 1],

144

std::string str1 =

"INTENTION"

;

145

std::string str2 =

"EXECUTION"

;

146

uint64_t expected_output1 = 5;

148

str1, str2, str1.length(),

153

std::cout <<

"Minimum Number of Operations Required: "

<< output1

157

std::string str3 =

"SATURDAY"

;

158

std::string str4 =

"SUNDAY"

;

159

uint64_t expected_output2 = 3;

161

str3, str4, str3.length(), str4.length());

162

assert(output2 == expected_output2);

163

std::cout <<

"Minimum Number of Operations Required: "

<< output2

uint64_t min(uint64_t x, uint64_t y, uint64_t z)

Takes input of the cost of three operations: Insert, Replace and Delete and return the minimum cost a...

static void test()

Self-test implementations.

uint64_t editDistDP(std::string str1, std::string str2, uint64_t m, uint64_t n)

Calculates and stores the result of all the sub-problems, so that we don't have to recur to compute t...

Dynamic Programming algorithms.


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