for
ループ
-
import std.stdio;

void main() {
 for (int line = 0; line != 9; ++line) {
 for (int column = 0; column != 9; ++column) {
 write(line, ',', column, ' ');
 }

 writeln();
 }
}
- トライアングル:
import std.stdio;

void main() {
 for (int line = 0; line != 5; ++line) {
 int length = line + 1;

 for (int i = 0; i != length; ++i) {
 write('*');
 }

 writeln();
 }
}
平行四辺形:
import std.stdio;

void main() {
 for (int line = 0; line != 5; ++line) {
 for (int i = 0; i != line; ++i) {
 write(' ');
 }

 writeln("********");
 }
}
ダイヤモンドの模様を作れる?
* *** ***** ******* ***** *** *