csu1003: UC Browser

循环周期为5天，只要知道连续的天数，就可以计算出经验值。

// 1003 UC Browser
# include <stdio.h>
# define MAXN 105
short int expr[] = {0,1,3,6,10,15};
int main()
{
    int T, n, tot, cnt, i;
    char a[MAXN];
    scanf("%d", &T);
    while (T > 0)
    {
        scanf("%d%s", &n,a);
        tot = 0;
        for (i=0; i<n; ++i)
        {
            cnt = 0;
            while ('1'==a[i]){++cnt;++i;}
            tot += (cnt/5)*15+expr[cnt%5];
        }
        printf("%d\n",(tot<75 ? (tot+5)/10:8));
        --T;
    }
    return 0;
}