Compilare: user.cpp: In function ‘void init()’: user.cpp:52:44: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] dp[j][i] = min(dp[j][i-1],dp[j + 1<<(i-1)][i-1]); ^ user.cpp:12:22: note: in definition of macro ‘min’ #define min(a,b) ((a<b)?a:b) ^ user.cpp:52:44: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] dp[j][i] = min(dp[j][i-1],dp[j + 1<<(i-1)][i-1]); ^ user.cpp:12:27: note: in definition of macro ‘min’ #define min(a,b) ((a<b)?a:b) ^