Compilare: main.cpp: In function 'void upd(int, int)': main.cpp:28:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(lensum==lenans3) ^ main.cpp: In function 'int main()': main.cpp:260:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=lenans1;i>=1;i--) ^~~ main.cpp:261:20: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<ans1[i];g<<'\n'; ^ main.cpp:262:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=lenans2;i>=1;i--) ^~~ main.cpp:263:20: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<ans2[i];g<<'\n'; ^