Compilare: main.cpp: In function 'int valid(int)': main.cpp:40:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int i=n ; i>=n-r ; i--) ^~~ main.cpp:42:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if (val>=c) ^~ main.cpp: In function 'int main()': main.cpp:49:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("livada3.in","r",stdin); ^ main.cpp:50:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("livada3.out","w",stdout); ^ main.cpp:78:12: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<sol; ^