0_0_14538363_16099.cpp: In function 'int main()': 0_0_14538363_16099.cpp:186:33: error: cannot convert 'int (*)[65]' to 'll (*)[65] {aka long long int (*)[65]}' for argument '1' to 'int rnk(ll (*)[65], int, int)' int ret = rnk(mat,n,maxm); ^