Compilare: main.cpp: In function 'void up(int, int)': main.cpp:17:12: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses] 17 | i=i+i&(-i); | ~^~ main.cpp: In function 'int sp(int)': main.cpp:27:12: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] 27 | i=i-i&(-i); | ~^~ main.cpp: In function 'int main()': main.cpp:38:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 38 | for(int i=1;i<=n;++i) | ~^~~ main.cpp:45:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 45 | for(int i=1;i<=n;++i) | ~^~~ main.cpp:54:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 54 | for(int i=1;i<=n;++i) | ~^~~