CSE Blog 100 sided die probability problem

#include <iostream>

using namespace std;

int main()
{
int testcount=150000; // number of simulated rounds
bool playing[100]; for(int i=0; i<100; i++){playing[i]=1;} // whether a player is still active in a round
int playingcount=100; // how many players are still active in a round
int rollcount=0; // how many rolls there have been in a round
int roundscore[100]; for(int i=0; i<100; i++){roundscore[i]=0;} // the round score for a player
int roundhigh=0;
long totalhigh=0;
long totalscore[100]; for(int i=0; i<100; i++){totalscore[i]=0;} // the running total score for a player
int wincount[100]; for(int i=0; i<100; i++){wincount[i]=0;} // the running total of rounds won for a player
int ledcount[100]; for(int i=0; i<100; i++){ledcount[i]=0;} // the running total of rounds in the lead for a player

for(int i=0; i<testcount; i++){
    while(playingcount>0){
        int roll=rand()%100+1;
        for(int b=0; b<100; b++){
            if(playing[b] && roll>b){roundscore[b]=roll-rollcount; totalscore[b]+=roundscore[b]; playing[b]=0; playingcount--; if(roundscore[b]>roundhigh){roundhigh=roundscore[b];} if(totalscore[b]>totalhigh){totalhigh=totalscore[b];}}
            }
        rollcount++;
        }
    for(int j=0; j<100; j++){if(roundscore[j]==roundhigh){wincount[j]++;}}
    for(int j=0; j<100; j++){if(totalscore[j]==totalhigh){ledcount[j]++;}}
    for(int j=0; j<100; j++){playing[j]=1;}
    playingcount=100;
    rollcount=0;
    for(int j=0; j<100; j++){roundscore[j]=0;}
    roundhigh=0;
    }

cout << "\nAfter " << testcount << " simulated rounds:";
for(int b=0; b<100; b++){cout << "\nPlayer " << b+1 << " has $" << totalscore[b] << ", won " << wincount[b] << " rounds, and led for " << ledcount[b] << " rounds.";}

cin.get();

}