2058. 笨拙的手指

https://www.acwing.com/problem/content/submission/code_detail/9621139/

AcWing/2058/2058.cpp

@@ -0,0 +1,47 @@
+#include <iostream>
+#include <map>
+#include <string>
+
+using std::cin;
+using std::cout;
+using std::endl;
+
+std::string base2, base3;
+std::map<int, bool> m;
+
+int base2ToBase10(std::string s) {
+    int res = 0;
+    for (int i = s.size() - 1, k = 1; i >= 0; i--, k *= 2) {
+        res += k * (s[i] - '0');
+    }
+    return res;
+}
+
+int base3ToBase10(std::string s) {
+    int res = 0;
+    for (int i = s.size() - 1, k = 1; i >= 0; i--, k *= 3) {
+        res += k * (s[i] - '0');
+    }
+    return res;
+}
+
+int main() {
+    cin >> base2 >> base3;
+    for (int i = 0; i < base2.size(); i++) {
+        for (int j = 0; j < 2; j++) {
+            base2[i] = (base2[i] - '0' + 1) % 2 + '0';
+            m[base2ToBase10(base2)] = true;
+        }
+    }
+    for (int i = 0; i < base3.size(); i++) {
+        for (int j = 0; j < 3; j++) {
+            base3[i] = (base3[i] - '0' + 1) % 3 + '0';
+            if (m.count(base3ToBase10(base3))) {
+                cout << base3ToBase10(base3) << endl;
+                exit(0);
+            }
+        }
+    }
+    cout << -1 << endl;
+    return 0;
+}