0_0_25831535_9650.cpp:27:1: error: 'll' does not name a type ll dp[maxn][maxn]; ^ 0_0_25831535_9650.cpp: In function 'int main()': 0_0_25831535_9650.cpp:47:16: error: 'dp' was not declared in this scope memset(dp,0x3f,sizeof(dp)); ^