0_0_21884177_30053.cpp: In function 'int main()': 0_0_21884177_30053.cpp:96:50: error: expected primary-expression before '{' token printf("%I64d\n",linear_seq::gao(VI(1LL)*{31,197,1255,7997,50959,324725,2069239,13185773,84023455},n-2)); ^