Pileczka

#include <iostream>using namespace std;int main(){    int pla[100][100];    for(int i=0; i<10000; i++) {        pla[ (i-i%100)/100][i%100]=0;    }    int ilo_zest;    int sx,sy; //startowa    int x,y; //aktualna    int vx=1, vy=-1; //wektor    cin >> ilo_zest;    cin >>sx>>sy;    x=sx;    y=sy;    while(true) {        if(x==0 || x==99) vx=-vx; //bounce        if(y==0 || y==99) vy=-vy;        x+=vx;        y+=vy;        pla[x][y]++;        if(x==sx&&y==sy)            break;    }    int cn=0;    for(int i=0; i<10000; i++) {        if(pla[ (i-i%100)/100][i%100]%2==1) cn++;    }    cout <<cn;    return 0;}