efficiency

Can we find the length of the longest subarray with sum>k efficiently? [general] (6)
How can I make this code more efficient?(SPAMCLAS) [general] (4)
Fastest Way to compute a factorial. . . [general] (16)
INTEST c++ getting Time limit exceeded error [general] (5)
Spiral Numbers - Time Limit Exceeded in JAVA [general] (1)
Fastest read / write in java [general] (7)
time efficient [general] (4)
given a number n and a array , print all the subarrays whose sum is exactly n [general] (2)
How to make this code time efficient? [general] (9)
Is there any better solution to find the shortest path [general] (4)
Inline functions (Discussion on performance) [general] (15)
Struggling with prime numbers? [general] (4)
Is coding in java a disadvantage when we think about the memory and time efficiency [general] (5)