TA貢獻17條經驗 獲得超3個贊
/**
?*?編寫Java應用程序，中國古時有人提出“百錢買百雞”，
?*?即：公雞5元一只，母雞3元一只，小雞1元三只，
?*?問：最終可買到公雞、母雞、小雞分別是多少？i,j,k
?*?i=>[1,19];j=[1,31];
?*?(k==100-i-j)&&(15*i+9*j+k==300);
?*?
?*/
public?class?test01?{
????public?static?void?main(String[]args){
????????
????????int?count=0;
????????for(int?i=1;i<=19;i++){
????????????for(int?j=1;j<=31;j++){
????????????????int?k=100-i-j;
????????????????if(15*i+9*j+k==300){
????????????????????count++;
????????????????????System.out.println("第"+count+"種方案："+"公雞"+i+"只，母雞"+j+"只，小雞"+k+"只。");
????????????????}
????????????}
????????}
????}
}
TA貢獻3條經驗 獲得超3個贊
public static void main(String[] args) {
?? ??? ?int a, b, c;
?? ??? ?for (a = 0; a <= 20; a++)
?? ??? ??? ?for (b = 0; b <= 33; b++)
?? ??? ??? ??? ?for (c = 0; c <= 300; c = c + 3) {
?? ??? ??? ??? ??? ?if (5 * a + 3 * b + c / 3 == 100 && a + b + c == 100)
?? ??? ??? ??? ??? ??? ?System.out.println("雞翁" + a + "個,雞母" + b + "個,雞雛" + c+ "個");
?? ??? ??? ??? ?}
?? ?}
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