13:计算书费
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner a = new Scanner(System.in);
int n = a.nextInt();
double [] danjia = {28.9, 32.7, 45.6, 78, 35, 86.2, 27.8, 43, 56, 65};
double [] benshu = new double[10];
for (int m=0;m
14:整数的个数
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner a = new Scanner(System.in);
int n = a.nextInt();
int sum1=0;
int sum5=0;
int sum10=0;
for (int m=0;m
15:整数的立方和
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner a = new Scanner(System.in);
int n = a.nextInt();
int sum = 0;
for (int s = 1;s<=n;s++) {
sum=sum+s*s*s;
}
System.out.println(sum);
}
}
16:化验诊断
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner cin = new Scanner(System.in);
final int n = cin.nextInt();
for (int i = 0; i < n; i++) {
String gender = cin.next();
double wbc = cin.nextDouble();
double rbc = cin.nextDouble();
int hgb = cin.nextInt();
int hct = cin.nextInt();
int plt = cin.nextInt();
int count = 0;
if (wbc < 4.0 || wbc > 10.0) {
count++;
}
if (rbc < 3.5 || rbc > 5.5) {
count++;
}
if ("male".equals(gender)) {
if (hgb < 120 || hgb > 160) {
count++;
}
if (hct < 42 || hct > 48) {
count++;
}
} else if ("female".equals(gender)) {
if (hgb < 110 || hgb > 150) {
count++;
}
if (hct < 36 || hct > 40) {
count++;
}
}
if (plt < 100 || plt > 300) {
count++;
}
if (count == 0) {
System.out.println("normal");
} else {
System.out.println(count);
}
}
cin.close();
}
}
17:求分数序列和
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner cin = new Scanner(System.in);
int n = cin.nextInt();
double sum=0;
double a=2;
double b=1;
double c;
for(int i=1;i<=n;i++){
sum = sum+ a/b;
c = a;
a = a+b;
b = c;
}
System.out.printf("%.4f\n",sum);
}
}
18:求阶乘的和
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner cin = new Scanner(System.in);
int n = cin.nextInt();
int sum2 = 0;
for (int i=1;i<=n;i++) {
int sum1 = 1;
for(int j=1;j<=i;j++) {
sum1=sum1*j;
}
sum2=sum2+sum1;
}
System.out.println(sum2);
}
}
19:打印完数
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
for (int i=1;i<=1000;i++) {
int sum=0;
String result;
List list = new ArrayList();
int summ = 0;
for (int j=1;j
20:数组逆序重放
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner cin = new Scanner(System.in);
int n = cin.nextInt();
int [] shuzu = new int [n];
int [] shuzu2 = new int [n];
for (int i=0;i=0;j--) {
System.out. printf("%d ",shuzu[j]);
}
}
}
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner a = new Scanner(System.in);
int n = a.nextInt();
int sum = 0;
for (int i = 1;i<=n;i++) {
if (i%7!=0 && i%10!=7 && i/10!=7) {
sum=sum+i*i;
}
}
System.out.println(sum);
}
}
22:骑车与走路
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner a = new Scanner(System.in);
int n = a.nextInt();
double qiche;
double buxing;
for (int i=0;ibuxing) {
System.out.println("Walk");
}else if(buxing>qiche) {
System.out.println("Bike");
}else {
System.out.println("All");
}
}
}
}