Tag:Pithy formula

  • Regular expression formula_ Learning regular friends are worth seeing

    Time:2021-9-15

    Too many introductions signed on the Internet are fierce essays, which can be understood while watching, but can’t help memory. Inspired by the five stroke radical table formula “look at the first three or two catties…”,Try to write “regular expression mnemonic formula”, also known as “regular doggerel”, version 0.1, absolutely original, counterfeiting must be investigated,:)Note: […]

  • Regular expression formula regular expression learning tool

    Time:2021-9-2

    Too many introductions signed on the Internet are fierce essays, which can be understood while watching, but can’t help memory. Inspired by the five stroke radical table formula “look at the first three or two catties…”,  Try to write “regular expression mnemonic formula”, also known as “regular doggerel”, version 0.1, absolutely original, counterfeiting must be […]

  • Regular expression formula to learn regular friends to see

    Time:2021-7-29

    Regular is a fortress that every programmer can’t get around. We have to attack it. I think the reason why regularization is difficult is that it needs memory, and the second is that it requires abstract logical thinking.Too many introductions signed on the Internet are fierce essays, which can be understood while watching, but can’t […]

  • Practice topic 8

    Time:2020-12-19

    Title:Output 9 * 9 pithy formula. Program analysis:Considering branch and column, there are 9 rows and 9 columns in total, I control row and j control column. Program source code: #include int main() { int i,j,result; printf(“\n”); for (i=1;i<10;i++) { for(j=1;j<=i;j++) { result=i*j; Printf (“% d *% d =% – 3D”, I, J, result); / […]

  • C-nested loop

    Time:2019-11-21

    I. Introduction Nested loops: while, for, and do… While loops use one or more nesting. Two. Example Output multiplication table (nesting of loops) //Multiplication formula for (int i = 1; i <= 9; i++) { for (int j = 1; j <= i; j++) { Console.Write(“{0}*{1}={2}\t”, i, j, i * j); } Console. Writeline(); // […]