Compilare: main.cpp: In function 'int main()': main.cpp:205:12: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (sir2[i]>='a' && sir2[i]<='z') ^~ main.cpp:207:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if (sir2[i]>='0'&& sir2[i]<='9') ^~