update and translation of raid2

subjects/raid2.en.md

@@ -6,7 +6,11 @@
 
 - A valid sudoku has only one possible solution.
 
-Examples of outputs :
+### Usage
+
+#### Example 1:
+
+Example of output for one valid sudoku :
 
 ```console
 student@ubuntu:~/student/raid2$ go build
@@ -20,6 +24,14 @@ student@ubuntu:~/student/raid2$ ./raid2 ".96.4...1" "1...6...4" "5.481.39." "..7
 7 1 2 6 3 8 4 5 9$
 6 5 9 1 7 4 8 3 2$
 8 4 3 5 9 2 1 6 7$
+student@ubuntu:~/student/raid2$
+```
+
+#### Example 2:
+
+Examples of output for invalid input or sudokus :
+
+```console
 student@ubuntu:~/student/raid2$ ./raid2 1 2 3 4 +" | cat -e
 Error$
 student@ubuntu:~/student/raid2$ ./raid2 | cat -e

subjects/raid2.fr.md

@@ -0,0 +1,42 @@
+## raid2
+
+### Instructions
+
+- Créer un programme qui résout un sudoku.
+
+- Un sudoku valide a seulement une solution possible.
+
+### Usage
+
+#### Example 1:
+
+Exemple d'output pour un sudoku valide :
+
+```console
+student@ubuntu:~/student/raid2$ go build
+student@ubuntu:~/student/raid2$ ./raid2 ".96.4...1" "1...6...4" "5.481.39." "..795..43" ".3..8...." "4.5.23.18" ".1.63..59" ".59.7.83." "..359...7" | cat -e
+3 9 6 2 4 5 7 8 1$
+1 7 8 3 6 9 5 2 4$
+5 2 4 8 1 7 3 9 6$
+2 8 7 9 5 1 6 4 3$
+9 3 1 4 8 6 2 7 5$
+4 6 5 7 2 3 9 1 8$
+7 1 2 6 3 8 4 5 9$
+6 5 9 1 7 4 8 3 2$
+8 4 3 5 9 2 1 6 7$
+student@ubuntu:~/student/raid2$
+```
+
+#### Example 2:
+
+Examples d'outputs pour des inputs ou un sudoku invalides :
+
+```console
+student@ubuntu:~/student/raid2$ ./raid2 1 2 3 4 +" | cat -e
+Error$
+student@ubuntu:~/student/raid2$ ./raid2 | cat -e
+Error$
+student@ubuntu:~/student/raid2$ ./raid2 ".96.4...1" "1...6.1.4" "5.481.39." "..795..43" ".3..8...." "4.5.23.18" ".1.63..59" ".59.7.83." "..359...7" | cat -e"
+Error$
+student@ubuntu:~/student/raid2$
+```