Compilare: main.cpp: In function 'int main()': main.cpp:9:35: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 9 | for(F>>n>>a>>b>>c,v[0]=b,i=1;i<n;v[i]=(1LL*a*v[i-1]+b)%c,++i); | ~^~ main.cpp:11:39: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 11 | for(memset(d,0,sizeof d),i=0;i<n;++d[v[i++]/j%256]); | ~^~ main.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 14 | for(i=0;i<n;v[i]=u[i],++i); | ~^~ main.cpp:16:14: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 16 | for(i=0;i<n;G<<v[i]<<' ',i+=10); | ~^~