Compilare: user.cpp: In function ‘int main()’: user.cpp:10:9: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(i=1; i<=k; i++) ^~~ user.cpp:12:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ e[k]=e[k-1]; ^ user.cpp:19:15: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] { for(i=1;i<=k;i++) ^~~ user.cpp:21:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ cout<<"\n"; ^~~~ user.cpp:6:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] { freopen("combinari.in","r",stdin); ^ user.cpp:7:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("combinari.out","w",stdout); ^