feat: new problem formatted

edit-distance/src/TLE.cpp

@@ -0,0 +1,32 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int solve(string &w1, string &w2, int i = 0, int j = 0)
+{
+   if (i >= w1.size())
+   {
+      return w2.size() - j;
+   }
+   if (j >= w2.size())
+   {
+      return w1.size() - i;
+   }
+   
+   if (w1[i] == w2[j])
+   {
+      return solve(w1, w2, i + 1, j + 1);
+   }
+
+   return min({solve(w1, w2, i + 1, j), solve(w1, w2, i + 1, j + 1), solve(w1, w2, i, j + 1)}) + 1;
+}
+
+int main()
+{
+   int n, m;
+   cin >> n >> m;
+   string w1, w2;
+   cin >> w1 >> w2;
+   cout << solve(w1, w2) << endl;
+   return 0;
+}

edit-distance/src/ac.cpp

@@ -0,0 +1,48 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int memo[510][510];
+
+int solve(string &w1, string &w2, int i = 0, int j = 0)
+{
+   // all letters of w1 processed, we must add the remaining letters in w2
+   if (i >= w1.size())
+   {
+      return w2.size() - j;
+   }
+   // all letters of w2 processed, we must remove the left over letter in w1
+   if (j >= w2.size())
+   {
+      return w1.size() - i;
+   }
+
+   if (memo[i][j] != -1)
+   {
+      return memo[i][j];
+   }
+
+   // if letters are the same we just need to find the min number of operations
+   // for the remaining letters in w1 and w2
+   if (w1[i] == w2[j])
+   {
+      return memo[i][j] = solve(w1, w2, i + 1, j + 1);
+   }
+
+   // if letters are not the same we consider three cases
+   // 1. Deleting the current letter in w1
+   // 2. Replacing the current letter in w1 to be the same as the letter in w2
+   // 3. Inserting the current letter of w2 in w1 and continue with the same letters in w1
+   return memo[i][j] = min({solve(w1, w2, i + 1, j), solve(w1, w2, i + 1, j + 1), solve(w1, w2, i, j + 1)}) + 1;
+}
+
+int main()
+{
+   int n, m;
+   cin >> n >> m;
+   string w1, w2;
+   cin >> w1 >> w2;
+   memset(memo, -1, sizeof(memo));
+   cout << solve(w1, w2) << endl;
+   return 0;
+}

edit-distance/src/checker.cpp

@@ -0,0 +1,17 @@
+#include "testlib.h"
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main(int argc, char* argv[]) {
+    setName("compare two signed int%d's", 8 * int(sizeof(int)));
+    registerTestlibCmd(argc, argv);
+
+    int ja = ans.readInt();
+    int pa = ouf.readInt();
+
+    if (ja != pa)
+        quitf(_wa, "expected %d, found %d", ja, pa);
+
+    quitf(_ok, "all answers are correct");
+}

edit-distance/src/generator.cpp

@@ -0,0 +1,82 @@
+#include "testlib.h"
+#include <bits/stdc++.h>
+
+using namespace std;
+
+const int MIN_N = 1;
+const int MAX_N = 500;
+
+const int rnd_test_n = 100;
+
+template <typename T> void append(vector<T> &dest, const vector<T> &orig) {
+	dest.insert(dest.end(), orig.begin(), orig.end());
+}
+
+string output_tc(const string &x, const string &y) {
+	ostringstream oss;
+    oss << x.size() << " " << y.size() << endl;
+    oss << x << " " << y << endl;
+	return oss.str();
+}
+
+vector<string> generate_sample_tests() {
+	vector<string> tests;
+    tests.push_back(output_tc("estouro", "calouro"));
+    tests.push_back(output_tc("aniquilacao", "intencao"));
+	return tests;
+}
+
+vector<string> generate_manual_tests() {
+	vector<string> tests;
+	return tests;
+}
+
+string rnd_test(int i){
+    int min_n = MIN_N;
+    int max_n = MAX_N;
+    
+    if(i<rnd_test_n / 3){
+        max_n = 5;
+    }
+    else if(i<rnd_test_n / 2){
+        max_n = 20;
+    }
+    int size1 = rnd.next(min_n, max_n);
+    string x = rnd.next("[a-z]{" + to_string(size1) + "}");
+    int size2 = rnd.next(min_n, max_n);
+    string y = rnd.next("[a-z]{" + to_string(size2) + "}");
+    return(output_tc(x, y));
+}
+
+vector<string> generate_random_tests() { 
+    vector<string> tests;
+    for (int i = 0; i < rnd_test_n; i++){
+        tests.push_back(rnd_test(i));
+    } 
+    return tests;
+}
+
+string extreme_test_1(){
+    return(output_tc(rnd.next("[a-z]{500}"), rnd.next("[a-z]{500}")));
+}
+
+vector<string> generate_extreme_tests(){
+    vector<string> tests;   
+    tests.push_back(extreme_test_1());
+    return tests;
+}
+
+int main(int argc, char *argv[]) {
+	registerGen(argc, argv, 1);
+	vector<string> tests;
+	size_t test = 0;
+	append(tests, generate_sample_tests());
+	append(tests, generate_manual_tests());
+	append(tests, generate_random_tests());
+	append(tests, generate_extreme_tests());
+	for (const auto &t : tests) {
+		startTest(++test);
+		cout << t;
+	}
+	return 0;
+}

edit-distance/src/script.sh

@@ -0,0 +1 @@
+generator

edit-distance/src/validator.cpp

@@ -0,0 +1,19 @@
+#include "testlib.h"
+#include <bits/stdc++.h>
+
+using namespace std;
+
+
+int main(int argc, char* argv[]) {
+    registerValidation(argc, argv);
+    int n = inf.readInt(1, 500, "n");
+    inf.readSpace();
+    int m = inf.readInt(1, 500, "m");
+    inf.readEoln();
+    inf.readToken("[a-z]{" + to_string(n) + "}", "s1");
+    inf.readSpace();
+    inf.readToken("[a-z]{" + to_string(m) + "}", "s2");
+    inf.readEoln();
+    inf.readEof();
+    return 0;
+}