Compilare: user.cpp: In function ‘int main()’: user.cpp:32:30: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] dp[i][j&1]=dp[i][1-j&1]; ^ user.cpp:35:41: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] dp[i][j&1]+=dp[i^(1<<x)][1-j&1]; ^ user.cpp:40:21: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] ans+=dp[i][1-m&1]; ^ user.cpp:49:29: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] dp[i][j&1]=dp[i][1-j&1]; ^ user.cpp:52:41: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] dp[i][j&1]+=dp[1^(1<<x)][1-j&1]; ^ user.cpp:57:22: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] ans+=dp[i][1-n&1]; ^ user.cpp:19:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d %d " ,&n,&m,&k); ^ user.cpp:20:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d " ,&p); ^ user.cpp:22:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d " ,&l,&c); ^