Commit 574b2d6

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+64

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Lines changed: 9 additions & 0 deletions

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	`1`	`+import java.io.*;`
	`2`	`+public class Multiplication{`
	`3`	`+ public static void main(String[] args)throws IOException{`
	`4`	`+ final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));`
	`5`	`+ int a=Integer.parseInt(br.readLine());`
	`6`	`+ int b=Integer.parseInt(br.readLine());`
	`7`	`+ System.out.println(a*b);`
	`8`	`+ }`
	`9`	`+}`

Lines changed: 29 additions & 0 deletions

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	`1`	`+import java.util.Scanner;`
	`2`	`+import java.util.Arrays;`
	`3`	`+public class Multiplication2{`
	`4`	`+ public static void main(String[] args){`
	`5`	`+ final Scanner cin = new Scanner(System.in);`
	`6`	`+ int n = cin.nextInt();`
	`7`	`+ long[] arr=new long[n];`
	`8`	`+ for(int i=0;i<n;i++){`
	`9`	`+ arr[i]=cin.nextLong();`
	`10`	`+ }`
	`11`	`+ Arrays.parallelSort(arr);`
	`12`	`+ if(arr[0]==0){`
	`13`	`+ System.out.print(0);`
	`14`	`+ return;`
	`15`	`+ }`
	`16`	`+ long mul=1;`
	`17`	`+ for(long a:arr){`
	`18`	`+ if(mul1.0a >(long)1e18 \|\| mul<=0){`
	`19`	`+ System.out.print(-1);`
	`20`	`+ System.exit(0);`
	`21`	`+ }`
	`22`	`+ mul=mul*a;`
	`23`	`+ //System.out.print(mul+" ");`
	`24`	`+ }`
	`25`	`+ //System.out.println();`
	`26`	`+ System.out.print(mul>(long)1e18?-1:mul);`
	`27`	`+ }`
	`28`	`+}`
	`29`	`+`

Lines changed: 12 additions & 0 deletions

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	`1`	`+import java.util.Scanner;`
	`2`	`+import java.math.*;`
	`3`	`+public class Multiplication3{`
	`4`	`+ public static void main(String[] args){`
	`5`	`+ final Scanner cin=new Scanner(System.in);`
	`6`	`+ long a=cin.nextLong();`
	`7`	`+ double b=cin.nextDouble();`
	`8`	`+ long k=(long)Math.round(b*100);`
	`9`	`+ long mul=(a*k);`
	`10`	`+ System.out.print(mul/100);`
	`11`	`+ }`
	`12`	`+}`

Lines changed: 14 additions & 0 deletions

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	`1`	`+import java.util.Scanner;`
	`2`	`+import java.math.BigInteger;`
	`3`	`+`
	`4`	`+public class mul{`
	`5`	`+ public static void main(String[] args){`
	`6`	`+ final Scanner cin = new Scanner(System.in);`
	`7`	`+ BigInteger a=cin.nextBigInteger();`
	`8`	`+ BigInteger b=cin.nextBigInteger();`
	`9`	`+ BigInteger c=BigInteger.ONE;`
	`10`	`+ c=a.multiply(b);`
	`11`	`+ System.out.println(c);`
	`12`	`+ }`
	`13`	`+}`
	`14`	`+`

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