Precreation contest files

Codeforces/CodeforcesRound1037(Div3)/AOnlyOneDigit/solution.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main() {
+  int t;
+  cin >> t;
+  while (t--) {
+    int x;
+    cin >> x;
+    string xstr = to_string(x);
+
+    int res = 10;
+    for (const char &i : xstr) {
+      res = min(res, (int)(i - '0'));
+    }
+    cout << res << endl;
+  }
+}