View Compilation Error

0_0_39497396_4872.cpp: In function 'void solve()':
0_0_39497396_4872.cpp:69:16: error: too few arguments to function 'void add(int, int, int)'
   69 |             add()
      |             ~~~^~
0_0_39497396_4872.cpp:18:6: note: declared here
   18 | void add(int a,int b,int c){
      |      ^~~