0_0_21358909_29146.cpp: In function 'void init()': 0_0_21358909_29146.cpp:25:41: error: expected primary-expression at end of input for(int i=0; i<=2*n; i++) G[i].clear% ^ 0_0_21358909_29146.cpp:25:41: error: expected '}' at end of input