View Compilation Error

0_0_30834136_14943.cpp: In function 'void calc(int, int)':
0_0_30834136_14943.cpp:187:15: error: 'struct std::pair<Node, std::pair<int, int> >' has no member named 'sc'
    t=1LL*t*cc.sc.fi%yql*1LL*fpow(cc.sc.sc,yql-2,yql)%yql;
               ^
0_0_30834136_14943.cpp:187:37: error: 'struct std::pair<Node, std::pair<int, int> >' has no member named 'sc'
    t=1LL*t*cc.sc.fi%yql*1LL*fpow(cc.sc.sc,yql-2,yql)%yql;
                                     ^