Compilare: user.c: In function ‘main’: user.c:20:28: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] d[i&1][j]=mat[1-i&1][j]+mat[i&1][j]; ^ user.c:23:27: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] if(min>d[1-i&1][x]&&j!=x) ^ user.c:24:28: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] min=d[1-i&1][x]; ^ user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d" ,&n,&m); ^ user.c:12:18: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&mat[i][j]); ^ user.c:18:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&mat[i&1][j]); ^