View Compilation Error

0_0_19785886_2034.cpp: In function 'int main()':
0_0_19785886_2034.cpp:30:18: error: expected primary-expression before '%' token
     while(~scanf(%d%d,&n,&m))
                  ^
0_0_19785886_2034.cpp:30:19: error: 'd' was not declared in this scope
     while(~scanf(%d%d,&n,&m))
                   ^
0_0_19785886_2034.cpp:41:17: error: expected primary-expression before '%' token
           scanf(%d%d%d,&a,&b,&len);
                 ^
0_0_19785886_2034.cpp:57:16: error: expected primary-expression before '%' token
         printf(%d
                ^