Question: Java code efficiency: Look at the implementation of the method called intervalSums below. Design and implement a more efficient runtime algorithm for intervalSums. public static

Java code efficiency: Look at the implementation of the method called

Java code efficiency: Look at the implementation of the method called intervalSums below. Design and implement a more efficient runtime algorithm for intervalSums. public static long intervalSums(intll A, intl0 B) long count = 0; for (int i = 0; i i) B[j] [i] =-1; // fill the lower "triangle" of B with-1s return count

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