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ecdownBest ResponseYou've already chosen the best response.6
This will make i equal to the negative of NUM. So if NUM = 3, the for loop will loop between 3 2 1 0 1 2 and finish with i = 3 after the for loop.
 2 years ago

alfers101Best ResponseYou've already chosen the best response.0
how about this one? what is the meaning of this: if( abs(i)+abs(j)<=NUM)
 2 years ago

ToolanBest ResponseYou've already chosen the best response.1
abs means absolute. It basically ignores the minus sign if it exists, so abs(10) would be 10. abs(i)+abs(j) means take the value that's in i, strip off the minus sign and add it to the value in j without it's minus sign. <= means less than or equal to, so the whole thing means: if the sum of i and j (ignoring minus signs) is less than or equal to the value in NUM, then... do the next statement (whatever that is).
 2 years ago

alfers101Best ResponseYou've already chosen the best response.0
can u show me a code that can make a output showing a square with a hole. when i enter 2 number for row and column. for example i enter n(column)=5, m(row)=3: ***** * * *****
 2 years ago

ecdownBest ResponseYou've already chosen the best response.6
Here is a piece of code that will print the box of stars. #include<stdio.h> int main(int argc,char **argv) { int column; int row; int x; if (argc < 3) { printf("Not enough arguments\n"); return 1; } column = atoi(argv[1]); row = atoi(argv[2]); if (row < 2) { printf("not enough rows\n"); return 1; } printheaderfooter(column); for(x=1;x < row 1; x++) { printcontent(column); } printheaderfooter(column); printf("%d %d", column,row); } void printheaderfooter(int length) { int i; for(i=0;i<length;i++) { printf("*"); } printf("\n"); } void printcontent(int length) { int i; printf("*"); for(i=0;i<length  2;i++) { printf(" "); } printf("*\n"); }
 2 years ago

alfers101Best ResponseYou've already chosen the best response.0
wow ?! can u do it using for loop? im not yet familiar with the other loops
 2 years ago

alfers101Best ResponseYou've already chosen the best response.0
can u show me a code. printing a pyramid ? for example, i type 5. this would be the output: * ** *** **** ***** using c++
 2 years ago

ecdownBest ResponseYou've already chosen the best response.6
The previous example used for loops in function calls, if you want direct code then you can I can restructure the code to use just the main function. Pyramid example: #include <iostream> using namespace std; int main() { int count; cin >> count; for(int i = 1; i <= count ; i++) { for (int j = 1; j <= i; j++) { cout << "*" ; } cout << endl; } return 0; }
 2 years ago
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