Compilare: user.cpp: In function ‘int main()’: user.cpp:43:32: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] dp[t&1][i][j]|=dp[1-t&1][i+dl[k]][j+dc[k]]; ^ user.cpp:25:36: 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,&p); ^ user.cpp:26:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d " ,&l1,&l2); ^ user.cpp:28:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d %d %d %d " ,&x,&y,&r,&t,&d); ^