http://poj.org/problem?id=3750

小孩报数问题

Time Limit: 1000MS		Memory Limit: 65536K
Total Submissions: 9959		Accepted: 4635

Description有N个小孩围成一圈，给他们从1开始依次编号，现指定从第W个开始报数，报到第S个时，该小孩出列，然后从下一个小孩开始报数，仍是报到S个出列，如此重复下去，直到所有的小孩都出列（总人数不足S个时将循环报数），求小孩出列的顺序。Input第一行输入小孩的人数N（N<=64） 接下来每行输入一个小孩的名字(人名不超过15个字符) 最后一行输入W,S (W < N)，用逗号","间隔Output按人名输出小孩按顺序出列的顺序，每行输出一个人名Sample Input

5
Xiaoming
Xiaohua
Xiaowang
Zhangsan
Lisi
2,3

Sample Output

Zhangsan
Xiaohua
Xiaoming
Xiaowang
Lisi

#include <iostream>#include <cstdio>#include <cstring>using namespace std;bool visit[80];char name[80][30];int n, s;int main() {while (scanf("%d", &n)!=EOF) {for (int i = 0; i < n; i ++) {scanf("%s", name[i]);}for (int i = 0; i <80; i ++) {visit[i] = false;}int cnt=0, sum=0;int w;scanf("%d,%d", &w, &s);while (sum != n) {for (int i = w-1; ;i ++) {if (visit[i%n] == false) cnt += 1;if (cnt == s) {visit[i%n] = true;printf("%s\n", name[i%n]);sum += 1;if (sum == n) break;cnt = 0;int j = w+1;while (visit[j%n]) j ++;w = j;}}}}return 0;}