580A

#include <stdio.h>
#include <string.h>
#define MAXSIZE 100024//之前数据少开了一个量级

int money[MAXSIZE];

int main()
{
    memset(money, 0, sizeof(money));
    int a;
    scanf("%d", &a);
    int Thiscnt=1, Maxcnt=1;//如果Maxcnt=-1;那么当a为1的时候，for循环不会执行，进而导致输入结果为-1（出错）。
    int i;
    int cnt=0;
    scanf("%d", &money[0]);
    for(i=0; i<(a-1); ++i)
    {
        ++cnt;
        scanf("%d", &money[i+1]);
        //printf("i+1=%d,money[%d]=%d ", i+1, i+1, money[i+1]);
        if(money[i]<=money[i+1]) //a[i];a[i-1] is wrong.money[i-1] is wrong.
        { 
            ++Thiscnt;
            //printf("cnt=%d:Thiscnt=%d\n", cnt, Thiscnt);
        }
        else
            Thiscnt=1;
        if(Thiscnt>Maxcnt)
            Maxcnt=Thiscnt;
    }
    printf("%d\n", Maxcnt);
    return 0;
}