Compilare: main.cpp: In function 'int main()': main.cpp:37:17: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j=1;prim1[j]*prim1[j]<=i;j++) ^~~ main.cpp:39:21: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' while(i%prim1[j]==0){ ^~~~~ main.cpp:11:37: 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:12:39: 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); ^ main.cpp:43:22: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] p=p*2; ~^~~~