麻烦随机数组中的变量

Currently I am working on a program with a 2D array in creating a random number from 0 to 10000. Things were going well until I was setting up my variables. My code works out well until I set the character type for my variables. Then the gcc compiler goes nuts. I've tried different character types and I still get an odd error. Thanks for looking over my code so far.Currently I am working on a program with a 2D a