//The Apocalypse finally came, only few survived. Trying to calculate the percentage of the survivors of each gender (male, female and neutral(or undefined)) in the different age ranges. It's not easy to collect very precise data after an apocalypse, so there may be errors and approximations made xD //Age ranges are: 7-17; 18-29; 30-45; 46-60; 60-99. Each group has imaginable stats + a luck factor that has an impact on their survival. //1 row of the table are female survivors in the order of the age ranges indicated above //2 row are the male survivors //3 row are the neutral survivors //input an int indicating the age (7-99) and a char for the gender ('f'-female, 'm'-male, 'n'-neutral) in one line (ex.: 33 m) to check a particular category of survivors. import java.util.Random; import java.util.Scanner; public class Apocalypse { public static int[][] getstats() { int[][] stats = new int[3][5]; for (int i=0; i<400; i++) { Random r1 = new Random(); Random r2 = new Random(); int x = r1.nextInt(3); int y = r2.nextInt(5); stats[x][y] += 1; } for (int i=0; i<3; i++) { for (int j=0;j<5; j++) { if (j==0) { Random r = new Random(); int x = r.nextInt(7); stats[i][j] = stats[i][j]+x-10; } else if (j==1) { Random r = new Random(); int x = r.nextInt(2)+2; stats[i][j] = stats[i][j]+x; } else if (j==2) { Random r = new Random(); int x = r.nextInt(2)+1; stats[i][j] = stats[i][j]+x; } else if (j==3) { Random r = new Random(); int x = r.nextInt(2); stats[i][j] = stats[i][j]+x-5; } else if (j==4){ Random r = new Random(); int x = r.nextInt(3); stats[i][j] = stats[i][j]+x-15; if (stats [i][j] < 0) { stats [i][j] = 0; } } if (i==2) { stats[i][j] = stats[i][j]/3; if (stats [i][j] < 0) { stats [i][j] = 0; } } } } return stats; } public static float prob(int[][]ar,int a,char g, int t) { int subj = 0; float pr2f = 0; if (g == 'f') { subj= a<18?ar[0][0]:a<=29?ar[0][1]:a<=45?ar[0][2]:a<=65?ar[0][3]:ar[0][4]; } else if (g == 'm') { subj= a<18?ar[1][0]:a<=29?ar[1][1]:a<=45?ar[1][2]:a<=65?ar[1][3]:ar[1][4]; } else { subj= a<18?ar[2][0]:a<=29?ar[2][1]:a<=45?ar[2][2]:a<=65?ar[2][3]:ar[2][4]; } pr2f = ((float)subj/t); return pr2f; } public static float prob2(int t,int tg) { float pr1f = (float)tg/t; return pr1f; } public static void disp(int [][] ar, char g, int a, int t, int ts) { String s = ""; s = g=='f'?"female":g=='m'?"male":"neutral"; System.out.println ("Total % of the "+s+ " survivors - "+(prob2(t,ts)*100)+"% \n\n"+(prob(ar,a,g,t)/prob2(t,ts)*100)+"% of the " +s+ " survivors had an approximative age of "+a+" years.\n"); System.out.println( (prob(ar,a,g,t)*100)+"% of the total amount of survivors were " +s+ " and had an approximative age of "+a+ " years."); } public static void main(String[] args) { Scanner sc = new Scanner(System.in); int age = sc.nextInt(); char gender = sc.next().charAt(0); if ((age >6 && age < 100) && (gender == 'f') || (gender== 'm') || (gender == 'n')) { int [][] arr = getstats(); int totalsurv = 0; int totalf = 0; int totalm = 0; int totaln = 0; for (int i=0; i<3; i++) { for (int j=0; j<5; j++) { totalsurv+= arr[i][j]; if (i==0) { totalf+= arr[i][j]; } else if (i==1) { totalm+= arr[i][j]; } else if (i==2) { totaln+= arr[i][j]; } if (j == 4) { System.out.print(arr[i][j] + "\n"); } else { System.out.print(arr[i][j] + " "); } } } System.out.println("\nTotal survivors - "+totalsurv+ ", female survivors - "+totalf+ ", male survivors - " +totalm+ ", neutral survivors - " +totaln+"\n"); if (gender=='f') { disp(arr,gender,age,totalsurv,totalf); } else if (gender=='m'){ disp(arr,gender,age,totalsurv,totalm); } else { disp(arr,gender,age,totalsurv,totaln); } } else { System.out.println ("Incorrect input"); } } }

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