11830 solved

11830.cpp

@@ -0,0 +1,35 @@
+#include <iostream>
+#include <string>
+using namespace std;
+
+int main(void) {
+  char n;
+  bool first;
+  string contract;
+
+  while (cin >> n >> contract) {
+    if (n == '0' && contract == "0")
+      break;
+
+    first = true;
+    for (int i = 0, sz = contract.size(); i < sz; i++) {
+      if (contract[i] == n)
+        continue;
+
+      if (contract[i] == '0') {
+        if (first)
+          continue;
+      }
+
+      cout << contract[i];
+      first = false;
+    }
+
+    if (first)
+      cout << 0;
+
+    cout << endl;
+  }
+
+  return 0;
+}