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QuestionHint and solution stay closed until you open them
Read r c, then r lines of c ints. Print the sum of all elements.
Examples
Input
2 3 1 2 3 4 5 6
Output
21
Hint
- Nested loops accumulate.
Show correct code
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import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int r = in.nextInt(), c = in.nextInt();
long sum = 0;
for (int i = 0; i < r; i++) for (int j = 0; j < c; j++) sum += in.nextInt();
System.out.println(sum);
}
}
Main.javaJava 21 · javac · Ctrl + Enter runs
ResultIdle
Run to see output. Check grades the tests.