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Task/Zig-zag-matrix/ERRE/zig-zag-matrix.erre

@@ -0,0 +1,29 @@
+PROGRAM ZIG_ZAG
+
+!$DYNAMIC
+     DIM ARRAY%[0,0]
+
+BEGIN
+     SIZE%=5
+     !$DIM ARRAY%[SIZE%-1,SIZE%-1]
+
+     I%=1
+     J%=1
+     FOR E%=0 TO SIZE%^2-1 DO
+          ARRAY%[I%-1,J%-1]=E%
+          IF ((I%+J%) AND 1)=0 THEN
+              IF J%<SIZE% THEN J%+=1 ELSE I%+=2 END IF
+              IF I%>1 THEN I%-=1 END IF
+           ELSE
+              IF I%<SIZE% THEN I%+=1 ELSE J%+=2 END IF
+              IF J%>1 THEN J%-=1 END IF
+          END IF
+     END FOR
+
+     FOR ROW%=0 TO SIZE%-1 DO
+         FOR COL%=0 TO SIZE%-1 DO
+            WRITE("###";ARRAY%[ROW%,COL%];)
+         END FOR
+         PRINT
+     END FOR
+END PROGRAM