C-language loop for summary

Flowchart for A For loop

To do the summation of the program, the variables that record the result should be initialized to 0, to do the product of the variable, record the result of the variable should be initialized to 1

for (i=0;i<n;i++) The number of cycles is n, and after the end of the loop, I is the value of n, the control variable I of the loop body, is the selection starting from 0, or the selection from I

The beginning is to judge I<n or judge the number of times the i≤n to the loop body, the value of the variable after the end of the cycle is affected,

C-language loop for summary