HUST 1585 排队

2019-05-21

10:15:00

加油，加油 ！！！

 1 #include <bits/stdc++.h>
 2 using namespace std;
 3 int main()
 4 {
 5     int n, a, b;
 6     while(~scanf("%d %d %d", &n, &a, &b))
 7     {
 8         a = n - a;
 9         if(a >= b + 1)
10         {
11             cout << b + 1;
12         }
13         else
14         {
15             cout << a;
16         }
17         cout << endl;
18     }
19     return 0;
20 }