HDU1846 巴什博奕

 1 #include<cstdio>
 2 int main()
 3 {
 4     int t, n, m;
 5     scanf("%d", &t);
 6     while (t--){
 7         scanf("%d%d", &n, &m);
 8         if (n <= m)
 9             printf("first\n");
10         else if (n % (m + 1) == 0)
11             printf("second\n");
12         else
13             printf("first\n");
14     }
15     return 0;
16 }