Compilare: user.cpp: In function ‘int main()’: user.cpp:29:13: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] dp[1 - a & 1][MAXVAL] = 1; ^ user.cpp:33:37: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] dp[i & 1][j] |= dp[1 - i & 1][j - v[i]]; ^ user.cpp:35:37: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] dp[i & 1][j] |= dp[1 - i & 1][j + v[i]]; ^ user.cpp:17:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d " ,&n,&q); ^ user.cpp:19:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d " ,&v[i]); ^ user.cpp:23:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d " ,&a,&b); ^