Preface
Do 529. Minesweeper game found stuck here
int converted to char
int i = 9;
char c = (char)(i+'0')
char to int
char c = 'a';
int i = c - '0';
Do 529. Minesweeper game found stuck here
int i = 9;
char c = (char)(i+'0')
char c = 'a';
int i = c - '0';