Codeforces Round #226 (Div. 2)A. Bear and Raspberry

/*
　　　 贪心的找到相邻两项差的最大值，再减去c，结果若是负数答案为0.
 */
 1 #include <stdio.h>
2 #define maxn 105
3 int num[maxn];
4 int main()
5 {
6     int n,c;
7     while(~scanf("%d%d",&n,&c))
8     {
9         int ans = 0;
10         for(int i = 0;i < n;i++)
11             scanf("%d",num+i);
12         for(int i = 0;i < n-1;i++){
13             int temp = num[i] - num[i+1];
14             if(temp > ans)
15                 ans = temp;
16         }
17         ans -= c;
18         if(ans>=0)
19             printf("%d\n",ans);
20         else
21             printf("0\n");
22     }
23 }

转载于:https://www.cnblogs.com/Roly/p/3596603.html