Compilare: user.cpp: In function ‘void check()’: user.cpp:68:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(cont!=v.size()) sol=0; ^ user.cpp: In function ‘void solve(int, int, int)’: user.cpp:72:39: warning: unused variable ‘mn’ [-Wunused-variable] int is=min(i1,i3),ifin=max(i2,i3),mn=INF; ^ user.cpp:73:9: warning: unused variable ‘aux’ [-Wunused-variable] int aux[DM][DM]; ^ user.cpp: In function ‘int main()’: user.cpp:92:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<aux.size();++j){ ^ user.cpp:110:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size();++i) ^ user.cpp:112:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int l=1;l<=v.size();++l) for(int i=0;i+l-1<v.size();++i) ^ user.cpp:112:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int l=1;l<=v.size();++l) for(int i=0;i+l-1<v.size();++i) ^ user.cpp:113:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i;j<v.size() && j<=i+l;++j) ^