0_0_32049096_16056.cpp: In function 'void multi(long long int (*)[6], long long int (*)[6], long long int)': 0_0_32049096_16056.cpp:17:17: error: 'tmep' was not declared in this scope tmep[i][j]=(temp[i][j]+a[i][k]*b[k][j])%mod; ^