Compilare: main.cpp: In function 'int main()': main.cpp:62:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(Len==lenans) ^ main.cpp:98:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=lenans;i>=1;i--) ^~~ main.cpp:99:19: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<ans[i];g<<'\n'; ^ main.cpp:100:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=len[aux];i>=1;i--) ^~~ main.cpp:101:22: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<B[aux][i];g<<'\n'; ^