运行 ID: 35837

Main.cc: In function ‘void mod(int, int, int, int, int)’:
Main.cc:28:14: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses]
     int mid=l+r>>1;
             ~^~
Main.cc: In function ‘int gt(int, int, int, int, int)’:
Main.cc:35:14: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses]
     int mid=l+r>>1;
             ~^~
Main.cc: In function ‘int main()’:
Main.cc:89:17: error: redeclaration of ‘int w’
             int w=gt(1,1,n,l,r);
                 ^
Main.cc:88:37: note: ‘int w’ previously declared here
             int l=a.l,r=a.r,id=a.id,w=a.w;
                                     ^