Compilare: main.cpp: In function 'int main()': main.cpp:24:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j=2;j<=n-1;j++) ^~~ main.cpp:36:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' cout<<divizori<<"\n"; ^~~~ main.cpp:7:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sireturi.in","r",stdin); ^ main.cpp:8:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sireturi.out","w",stdout); ^