Compilare: main.cpp: In function 'int main()': main.cpp:9:21: warning: unused variable 'p' [-Wunused-variable] long long n,s,t,p=1,dr,c,sol,st=0; ^ main.cpp:20:12: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] sol+=c*(s*(i-dq[st])+v[dq[st]]); ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:16:13: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] ++dr; ^