這是算術(shù)級(jí)數(shù)級(jí)別 3。輸出尋找 2 個(gè)下一項(xiàng)。例如,輸入為:1, 4, 11, 24。尋找下2項(xiàng),即45和76。如何解決?package Function;import java.util.Scanner;/** * * @author Lenovo */public class ArithmeticProgression {public static void main(String[] args){ int many; Scanner keyboard=new Scanner(System.in); System.out.print("Put many term: "); many= keyboard.nextInt(); int term[]= new int [many]; int n= 0; for(int z=0; z<many; z++){ n= n+1; System.out.format("%d term"+ " is: ", n); term[z] = keyboard.nextInt(); } System.out.print("enter the next many terms: "); int range= keyboard.nextInt(); int term2[] = new int[range+many]; for(int i = 0; i < many; i++){ term2[i] = term[i]; } int b3= term2[many-1]-term2[many-2]; int b2= term2[many-2]-term2[many-3]; int b1= term2[many-3]-term2[many-4]; int c2= b3-b2; int c1= b2-b1; int d= c2-c1; for(int q=0; q<range; q++){ b3= term2[many-1]-term2[many-2]; b2= term2[many-2]-term2[many-3]; b1= term2[many-3]-term2[many-4]; c2= b3-b2; c1= b2-b1; d= c2-c1; int result= term2[many-1]+b3+c2+d; System.out.println(result); many++; } }}
1 回答

慕標(biāo)琳琳
TA貢獻(xiàn)1830條經(jīng)驗(yàn) 獲得超9個(gè)贊
在 q 循環(huán)中,您忘記在每一步更新 term2 數(shù)組:
for(int q=0; q<range; q++){
b3= term2[many-1]-term2[many-2];
b2= term2[many-2]-term2[many-3];
b1= term2[many-3]-term2[many-4];
c2= b3-b2;
c1= b2-b1;
d= c2-c1;
int result= term2[many-1]+b3+c2+d;
System.out.println(result);
term2[many] = result; // you forgot this update
many++;
}
這會(huì)生成列表 1, 4, 11, 24, 45, 76, 119, 176, 249, 340, 451, ...
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