Compilare: main.cpp: In function 'int main()': main.cpp:116:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1; i<=m/2; i++) ^~~ main.cpp:119:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fi.close(); ^~