36 下列 C++程式的輸出應為何? #include <stdio.h>
#include <string>
using namespace std;
int unknown(string s){
int count=0;
for (int i=0; i<s.length( ); i++){
if (s[i] == 'e')
count ++;
}
return(count);
}
void main () {
int output = unknown("abeeee");
printf("%d", output);
}
(A)0
(B)3
(C) 4
(D) 6