0_0_35361799_24873.cpp:7:1: error: 'll' does not name a type ll dp[2][maxn]; ^ 0_0_35361799_24873.cpp: In function 'int main()': 0_0_35361799_24873.cpp:13:16: error: 'dp' was not declared in this scope memset(dp,0,sizeof(dp)); ^