????static?int?argument;
????static?int?count=0;
????
????public?static?void?main(String[]?args){????????
????????argument=5;
????????printResult("",argument);
????????System.out.println("總共"+count+"種");
????}
????public?static?void?printResult(String?result,int?left){
????????if(left==1){
????????????System.out.print(argument+"=");
????????????for(int?i=0;i<result.length();i++){
????????????????System.out.print(result.charAt(i)+"+");
????????????}
????????????System.out.print(1);
????????????System.out.println();
????????????count++;
????????}
????????else?if(left==2){
????????????System.out.print(argument+"=");
????????????for(int?i=0;i<result.length();i++){
????????????????System.out.print(result.charAt(i)+"+");
????????????}
????????????System.out.print(2);
????????????System.out.println();
????????????count++;
????????????printResult(result+"1",left-1);
????????}
????????else{
????????????printResult(result+"1",left-1);
????????????printResult(result+"2",left-2);
????????}
????}

不光把鋪法數(shù)量輸出了，還把具體的鋪法輸出了