Compilare: main.cpp: In function 'int main()': main.cpp:26:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=m;i++) ^~~ main.cpp:28:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' std::sort(a+1,a+m+1); ^~~