View Compilation Error

0_0_17687975_3141.cpp: In function 'int main()':
0_0_17687975_3141.cpp:109:17: error: no matching function for call to 'ISAP::init(int&)'
         G.init(T);
                 ^
0_0_17687975_3141.cpp:109:17: note: candidate is:
0_0_17687975_3141.cpp:16:10: note: void ISAP::init(int, int)
     void init(int a,int b){
          ^
0_0_17687975_3141.cpp:16:10: note:   candidate expects 2 arguments, 1 provided
0_0_17687975_3141.cpp:136:25: error: 'struct ISAP' has no member named 'get_ans'
         printf("%d\n",G.get_ans(S,T));
                         ^