Compilare: user.cpp: In function ‘int main()’: user.cpp:38:17: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] if(d[1-i&1][j-1][r][p]%p==r) ^ user.cpp:39:48: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] d[i&1][j][(r+v1[i])%p][p]=getmax(d[1-i&1][j][(r+v1[i])%p][p],getmax(d[1-i&1][j-1][r][p]+v1[i],d[i&1][j][(r+v1[i])%p][p])); ^ user.cpp:39:83: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] d[i&1][j][(r+v1[i])%p][p]=getmax(d[1-i&1][j][(r+v1[i])%p][p],getmax(d[1-i&1][j-1][r][p]+v1[i],d[i&1][j][(r+v1[i])%p][p])); ^ user.cpp:41:48: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] d[i&1][j][(r+v1[i])%p][p]=getmax(d[1-i&1][j][(r+v1[i])%p][p],d[i&1][j][(r+v1[i])%p][p]); ^ user.cpp:18:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d" ,&n,&m); ^ user.cpp:20:31: 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:44:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d" ,&k,&p); ^