Compilare: main.cpp: In function 'int main()': main.cpp:34:50: warning: statement has no effect [-Wunused-value] for(int j=i*i;j<=64;j+=(i<<1)) ciur[j]; ~~~~~~^ main.cpp:38:62: warning: statement has no effect [-Wunused-value] for(int j=(i+2)*(i+2);j<=64;j+=((i+2)<<1)) ciur[j]; ~~~~~~^ main.cpp: In function 'long long int cb(long long int)': main.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp:21:39: warning: 'mij' may be used uninitialized in this function [-Wmaybe-uninitialized] long long vmin,d1=abs(x-puteri[mij-1]),d2=abs(x-puteri[mij]),d3=abs(x-puteri[mij+1]); ~~~^~