Compilare: user.cpp: In function ‘int main()’: user.cpp:17:11: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] dp[1-i&1][0][0]=-1; ^ user.cpp:20:26: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] x=getmin(dp[1-i&1][1][j],dp[1-i&1][0][j-1]); ^ user.cpp:20:42: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] x=getmin(dp[1-i&1][1][j],dp[1-i&1][0][j-1]); ^ user.cpp:28:23: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] x=getmin(dp[1-i&1][1][j],dp[1-i&1][0][j]); ^ user.cpp:28:39: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] x=getmin(dp[1-i&1][1][j],dp[1-i&1][0][j]); ^ user.cpp:14:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&n); ^ user.cpp:16:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%lld%lld" ,&a,&b); ^