Compilare: main.cpp: In function 'void fil(int, int, int, int)': main.cpp:20:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(a[i][j+1]==x) ^~ main.cpp:22:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(a[i][j-1]==x) ^~ main.cpp: In function 'int main()': main.cpp:112:5: warning: unused variable 'nr' [-Wunused-variable] int nr=0; ^~