Compilare: main.cpp: In function 'int main()': main.cpp:16:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int i=0;i<m;i++) ^~~ main.cpp:19:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for (int i=m-1;i>=0;i--) ^~~