“+” AAAABCCDAA4A1B2C1D2A #include <iostream> #include <string> using namespace std; void printString(string str){ string::size_type i=0; int count=1; for(i=0; i<str.size(); ++i){ if (str[i] == str[i+1]){ ++count; continue; } cout << count << str[i]; count = 1; } } int main() { string str = "AAAABCCDAA"; printString(str); return 0; } N*ND int main() string str = "AAAABCCDAA"; “”N*M1 114。。。。。。以下内容略