Compilare: user.cpp: In function ‘void rezolvare1(int, int)’: user.cpp:16:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s[y].size();i++) ^ user.cpp: In function ‘void rezolvare2(int, int)’: user.cpp:29:46: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(x==y ||s[x].size()>0 && s[y].size()>0 &&(s[x][0]==y ||s[y][0]==x || s[x][0] == s[y][0])) ^ user.cpp: In function ‘void citire()’: user.cpp:41:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("disjoint.in","r",stdin); ^ user.cpp:42:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ user.cpp:47:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&t,&a,&b); ^ user.cpp: In function ‘int main()’: user.cpp:58:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("disjoint.out","w",stdout); ^