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title Link: http://acm.hdu.edu.cn/showproblem.php?pid=4553As poj3667 's enhanced version, two line-segment trees are established, one is the DS interval and the other is the NS interval. Then according to test instructions, if it is the DS request,

Test instructions: There are four kinds of operation 1, the interval [L, R] values are added C2, the interval [L, r] values are multiplied by C3, the interval [L, r] values are changed to C4, the interval [L, R] all the number of P-square and

With the advent of the social Internet boom, real-time web is becoming more and more important. On the one hand, from the perspective of business scenarios, real-time message notifications greatly improve the friendliness of the system; on the other

Explanation of top and load in CentOSThe top command is a common performance analysis tool in Linux. It can display the resource usage of various processes in the system in real time, similar to the Windows Task Manager. The following describes how

View all CPU load commands in LINUX $ vmstatprocs ----------- memory ---------- --- swap -- ----- io ---- system -- ----- cpu ------ r B swpd free buff cache si so bi bo in cs us sy id wa st 1 4 329796 26040 4528 3379824 1 1 50 160 36 17 2 10 85 3 0

During system maintenance, you may need to check the CPU usage at any time and analyze the system status based on the relevant information. In centos, you can use the top command to view CPU usage. After the TOP Command is run, the CPU usage status

In Linux, use the Command & amp; #39; top-I & amp; #39; to view how many processes are Running, there may be a memory or I/O bottleneck in the system. use free to check whether the system memory usage is high. use iostat to check whether swap is

The top command is a common performance analysis tool in Linux. It can display the resource usage of various processes in the system in real time, similar to the Windows Task Manager. The following describes how to use it. Top-01:06:48 up, 1 user,

Linux top, linux Linux top commands Enter top in the terminal and the result is as follows: 1: first line, system status 19:12:02 ----> current system time 6 min -------> the system has been started for 6 minutes. 1 use -------> only one user

The top command is a common performance analysis tool in Linux. it can display the resource usage of various processes in the system in real time, similar to the Windows Task Manager. The following describes how to use it. Top-01: 06: 48up1: 0.06