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diffIterativo2.cpp
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72 lines (63 loc) · 1.49 KB
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#include <bits/stdc++.h>
using namespace std;
typedef struct{
int add, rem;
} mudancas;
mudancas diff(string A, string B){
int n = A.size();
int m = B.size();
mudancas PD[n + 1][m + 1];
for(int i = n; i >= 0 ; i--){
mudancas d;
d.add = 0;
d.rem = n - i;
PD[i][m] = d;
}
for(int j = m; j >= 0; j--){
mudancas d;
d.add = m - j;
d.rem = 0;
PD[n][j] = d;
}
for(int i = n - 1; i >= 0; i--){
for(int j = m - 1; j >= 0; j--){
if(A[i] == B[j])
PD[i][j] = PD[i + 1][j + 1];
else{
mudancas remover = PD[i + 1][j];
remover.rem++;
mudancas adicionar = PD[i][j + 1];
adicionar.add++;
int rem = remover.rem + remover.add;
int add = adicionar.rem + adicionar.add;
PD[i][j] = rem < add ? remover : adicionar;
}
}
}
return PD[0][0];
}
int main(){
int i, j;
cin >> i >> j;
string A, B, C;
getline(cin, C);
//substituir as quebras de linha por um caractere, transformando o texto em uma string
getline(cin, A);
i--;
while(i){
i--;
getline(cin, C);
A += '!';
A += C;
}
getline(cin, B);
j--;
while(j){
j--;
getline(cin, C);
B += '!';
B += C;
}
mudancas resp = diff(A, B);
cout << resp.add << " " << resp.rem << endl;
}