Updated.

2015/one/solution.c

@@ -40,7 +40,7 @@ int main(int argc, char** argv) {
             default:  continue;
         }
 
-        if (floor == -1 && basement_pos == -1) { basement_pos = i + 1; }
+        if (floor == -1 && basement_pos == -1) basement_pos = i + 1;
     }
 
     printf("Part 1 solution: %d\n", floor);