Compilare: user.cpp: In function ‘void go(int)’: user.cpp:37:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < m[rad].size(); i++ ) ^ user.cpp:44:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < m[rad].size(); i++ ) ^ user.cpp: In function ‘int main()’: user.cpp:63:15: warning: unused variable ‘j’ [-Wunused-variable] int i,a,b,j; ^ user.cpp:61:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("iepuri2.in","r",stdin); ^ user.cpp:62:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("iepuri2.out","w",stdout); ^ user.cpp:71:9: warning: ‘boss’ may be used uninitialized in this function [-Wmaybe-uninitialized] int boss; ^