#11979: Q: 為什麼字元輸入及答案裡會有符號?


bally810525 (bally810525)


#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main()
{
char str;
int k=7;


while(cin.get(str))
{

str=str-k;
cout<<str;
}

return 0;
}