Compilare: main.cpp: In function 'int main()': main.cpp:25:18: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] t+=1<<20 + 1<<20; ~~~^~~ main.cpp:25:21: warning: result of '(2097152 << 20)' requires 43 bits to represent, but 'int' only has 32 bits [-Wshift-overflow=] t+=1<<20 + 1<<20; ~~~~~~~~~^~~~