A和B求和问题
1 import java.util.Scanner; 2 public class AB求和问题 { 3 public static void main(String[] args) { 4 Scanner scanner=new Scanner(System.in); 5 /* 6 while (scanner.hasNext()) { 7 int n1=scanner.nextInt(); 8 int n2=scanner.nextInt(); 9 System.out.println(n1+n2); 10 } 11 */ 12 /* 13 int N=scanner.nextInt(); 14 for(int i=0;i<N;i++) { 15 int n1=scanner.nextInt(); 16 int n2=scanner.nextInt(); 17 System.out.println(n1+n2); 18 } 19 */ 20 /* 21 while (scanner.hasNext()) { 22 int n1=scanner.nextInt(); 23 int n2=scanner.nextInt(); 24 if(!(n1==0&&n2==0)) { 25 System.out.println(n1+n2); 26 } 27 }*/ 28 /* 29 while(scanner.hasNext()) { 30 int done=scanner.nextInt(); 31 if(done!=0) { 32 int sum=0; 33 for(int i=0;i<done;i++) { 34 sum+=scanner.nextInt(); 35 } 36 System.out.println(sum); 37 } 38 }*/ 39 /* 40 int N=scanner.nextInt(); 41 for(int i=1;i<=N;i++) { 42 int M=scanner.nextInt(); 43 int sum=0; 44 for(int j=0;j<M;j++) { 45 sum+=scanner.nextInt(); 46 } 47 System.out.println(sum); 48 } 49 */ 50 /* 51 while(scanner.hasNext()) { 52 int M=scanner.nextInt(); 53 int sum=0; 54 for(int j=1;j<=M;j++) { 55 sum+=scanner.nextInt(); 56 } 57 System.out.println(sum); 58 } 59 */ 60 /* 61 while (scanner.hasNext()) { 62 int n1=scanner.nextInt(); 63 int n2=scanner.nextInt(); 64 System.out.println(n1+n2); 65 System.out.println(); 66 }*/ 67 int N=scanner.nextInt(); 68 for(int i=1;i<=N;i++) { 69 int M=scanner.nextInt(); 70 int sum=0; 71 for(int j=0;j<M;j++) { 72 sum+=scanner.nextInt(); 73 } 74 System.out.println(sum); 75 System.out.println(); 76 } 77 scanner.close(); 78 } 79 }
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