Update grader

examples/c/cond_and_loop.c

@@ -1,13 +1,16 @@
+int nonce; // For random input
+
 int main() {
     int i;
     int p = 2;
     int q = 5;
     int r = (0 ? ((p > q) ? (p -= 2) : (p += 2)) : (p + q));
+    int loop_num = nonce % 100;
 
-    for (i = 0; i < 11; ((i % 2) ? (i += 2) : ++i)) {
+    for (i = 0; i < loop_num; ((i % 2) ? (i += 2) : ++i)) {
         if (i % 2) { p += q; }
         else { p += r; } 
     }
 
-    return p == 34;
+    return p;
 }