Look not to understand the analysis

CodePudding user response:

Feeling is cycle in a little more, slowly see can read

CodePudding user response:

Beat this into the vc + + under the breakpoint to see variable value after each run go step by step and then according to each variable values increase contrast to understand

CodePudding user response:

See code is 3 times for loop I am also a novice nested loop like this sometimes can't read