Rank in a circle 3 and exit the last person location-exercise 8.5 in C Language tan haoqiqiang

Rank in a circle 3 and exit the last person location-exercise 8.5 in C Language tan haoqiqiang
There are n people in a circle, ordered by number. When the first person reports data (from 1 to 3), the person who reports data to the third party quits the circle, the last question is the original location /***************************** * ************************ E8.5 Plan: you can call 1 to 3 in a loop, instead of "CREATE -------------------------------- By: Idooi LiuTime: 2015/10/15-1500 ----------------------------------************************************ ******************/

#include <stdio.h>#include <stdlib.h>int expThree(int n, int manArray[]);int main(void){    int nMan;       //How many people    char *pMan;     //The array    int siteLast;   //The last person's site    int i;    printf("Please input how many people:\n");    scanf("%d", &nMan);    pMan=malloc(nMan*sizeof(char));    //Assignment    for(i=0; i<nMan; i++)        *(pMan+i)='Y';    siteLast=expThree(nMan, pMan);    printf("The last one\'s site is %d\n", siteLast);    free(pMan);    return 0;}int expThree(int n, int manArray[]){    int i, j;    int siteLast;   //The last person's site    int flag=0;     //Count off    int k;    for(i=0; i<n; i++)    {        k=0;        //For check how many people last        for(j=0; j<n; j++)        {            if(manArray[j]=='Y')                k++;            siteLast=j;        }        if(k==1)        //Only one person            break;        if(manArray[i]=='Y')        {            flag++;     //The person who in the team take the next number            //If the person's number is divisible by 3, take out of the team            if(flag%3==0)                manArray[i]='N';        }    }    return siteLast;}