Borderou de evaluare (job #795106)

Compilare: main.cpp: In function 'int main()': main.cpp:43:36: warning: statement has no effect [-Wunused-value] 43 | a[i][j]=='L'; | ~~~~~~~^~~~~ main.cpp:84:36: warning: statement has no effect [-Wunused-value] 84 | a[i][j]=='R'; | ~~~~~~~^~~~~ main.cpp:126:36: warning: statement has no effect [-Wunused-value] 126 | a[i][j]=='U'; | ~~~~~~~^~~~~ main.cpp:167:36: warning: statement has no effect [-Wunused-value] 167 | a[i][j]=='D'; | ~~~~~~~^~~~~ main.cpp:20:21: warning: variable 'ck' set but not used [-Wunused-but-set-variable] 20 | int n,k,i,j,ck; | ^~ main.cpp:181:49: warning: array subscript -1 is below array bounds of 'char [21][21]' [-Warray-bounds=] 181 | a[i-2][j]='.'; | ~~~~~^ main.cpp:16:6: note: while referencing 'a' 16 | char a[21][21]; | ^